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Unified Diff: third_party/pkg/angular/test/core/scope_spec.dart

Issue 180843004: Revert revision 33053 (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 6 years, 10 months ago
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Index: third_party/pkg/angular/test/core/scope_spec.dart
===================================================================
--- third_party/pkg/angular/test/core/scope_spec.dart (revision 33054)
+++ third_party/pkg/angular/test/core/scope_spec.dart (working copy)
@@ -1,1373 +1,1339 @@
-library scope2_spec;
+library scope_spec;
import '../_specs.dart';
-import 'package:angular/change_detection/change_detection.dart' hide ExceptionHandler;
-import 'package:angular/change_detection/dirty_checking_change_detector.dart';
-import 'dart:async';
-import 'dart:math';
+import 'dart:convert' show JSON;
-main() => describe('scope', () {
- beforeEach(module((Module module) {
- Map context = {};
- module.value(GetterCache, new GetterCache({}));
- module.type(ChangeDetector, implementedBy: DirtyCheckingChangeDetector);
- module.value(Object, context);
- module.value(Map, context);
- module.type(RootScope);
- module.type(_MultiplyFilter);
- module.type(_ListHeadFilter);
- module.type(_ListTailFilter);
- module.type(_SortFilter);
- }));
- describe('AST Bridge', () {
- it('should watch field', inject((Logger logger, Map context, RootScope rootScope) {
- context['field'] = 'Worked!';
- rootScope.watch('field', (value, previous) => logger([value, previous]));
- expect(logger).toEqual([]);
- rootScope.digest();
- expect(logger).toEqual([['Worked!', null]]);
- rootScope.digest();
- expect(logger).toEqual([['Worked!', null]]);
- }));
+main() {
+ describe(r'Scope', () {
+ NgZone zone;
- it('should watch field path', inject((Logger logger, Map context, RootScope rootScope) {
- context['a'] = {'b': 'AB'};
- rootScope.watch('a.b', (value, previous) => logger(value));
- rootScope.digest();
- expect(logger).toEqual(['AB']);
- context['a']['b'] = '123';
- rootScope.digest();
- expect(logger).toEqual(['AB', '123']);
- context['a'] = {'b': 'XYZ'};
- rootScope.digest();
- expect(logger).toEqual(['AB', '123', 'XYZ']);
- }));
+ noop() {}
- it('should watch math operations', inject((Logger logger, Map context, RootScope rootScope) {
- context['a'] = 1;
- context['b'] = 2;
- rootScope.watch('a + b + 1', (value, previous) => logger(value));
- rootScope.digest();
- expect(logger).toEqual([4]);
- context['a'] = 3;
- rootScope.digest();
- expect(logger).toEqual([4, 6]);
- context['b'] = 5;
- rootScope.digest();
- expect(logger).toEqual([4, 6, 9]);
+ beforeEach(module(() {
+ return (NgZone _zone) {
+ zone = _zone;
+ zone.onError = (e, s, l) => null;
+ };
}));
+ describe(r'$root', () {
+ it(r'should point to itself', inject((Scope $rootScope) {
+ expect($rootScope.$root).toEqual($rootScope);
+ expect($rootScope.$root).toEqual($rootScope);
+ expect($rootScope.$root).toBeTruthy();
+ }));
- it('should watch literals', inject((Logger logger, Map context, RootScope rootScope) {
- context['a'] = 1;
- rootScope.watch('1', (value, previous) => logger(value));
- rootScope.watch('"str"', (value, previous) => logger(value));
- rootScope.watch('[a, 2, 3]', (value, previous) => logger(value));
- rootScope.watch('{a:a, b:2}', (value, previous) => logger(value));
- rootScope.digest();
- expect(logger).toEqual([1, 'str', [1, 2, 3], {'a': 1, 'b': 2}]);
- logger.clear();
- context['a'] = 3;
- rootScope.digest();
- expect(logger).toEqual([[3, 2, 3], {'a': 3, 'b': 2}]);
- }));
- it('should invoke closures', inject((Logger logger, Map context, RootScope rootScope) {
- context['fn'] = () {
- logger('fn');
- return 1;
- };
- context['a'] = {'fn': () {
- logger('a.fn');
- return 2;
- }};
- rootScope.watch('fn()', (value, previous) => logger('=> $value'));
- rootScope.watch('a.fn()', (value, previous) => logger('-> $value'));
- rootScope.digest();
- expect(logger).toEqual(['fn', 'a.fn', '=> 1', '-> 2',
- /* second loop*/ 'fn', 'a.fn']);
- logger.clear();
- rootScope.digest();
- expect(logger).toEqual(['fn', 'a.fn']);
- }));
+ it(r'should not have $root on children, but should inherit', inject((Scope $rootScope) {
+ var child = $rootScope.$new();
+ expect(child.$root).toEqual($rootScope);
+ expect(child._$root).toBeFalsy();
+ }));
- it('should perform conditionals', inject((Logger logger, Map context, RootScope rootScope) {
- context['a'] = 1;
- context['b'] = 2;
- context['c'] = 3;
- rootScope.watch('a?b:c', (value, previous) => logger(value));
- rootScope.digest();
- expect(logger).toEqual([2]);
- logger.clear();
- context['a'] = 0;
- rootScope.digest();
- expect(logger).toEqual([3]);
- }));
+ });
- xit('should call function', inject((Logger logger, Map context, RootScope rootScope) {
- context['a'] = () {
- return () { return 123; };
- };
- rootScope.watch('a()()', (value, previous) => logger(value));
- rootScope.digest();
- expect(logger).toEqual([123]);
- logger.clear();
- rootScope.digest();
- expect(logger).toEqual([]);
- }));
+ describe(r'$parent', () {
+ it(r'should point to itself in root', inject((Scope $rootScope) {
+ expect($rootScope.$root).toEqual($rootScope);
+ }));
- it('should access bracket', inject((Logger logger, Map context, RootScope rootScope) {
- context['a'] = {'b': 123};
- rootScope.watch('a["b"]', (value, previous) => logger(value));
- rootScope.digest();
- expect(logger).toEqual([123]);
- logger.clear();
- rootScope.digest();
- expect(logger).toEqual([]);
- }));
+ it(r'should point to parent', inject((Scope $rootScope) {
+ var child = $rootScope.$new();
+ expect($rootScope.$parent).toEqual(null);
+ expect(child.$parent).toEqual($rootScope);
+ expect(child.$new().$parent).toEqual(child);
+ }));
+ });
- it('should prefix', inject((Logger logger, Map context, RootScope rootScope) {
- context['a'] = true;
- rootScope.watch('!a', (value, previous) => logger(value));
- rootScope.digest();
- expect(logger).toEqual([false]);
- logger.clear();
- context['a'] = false;
- rootScope.digest();
- expect(logger).toEqual([true]);
- }));
- it('should support filters', inject((Logger logger, Map context,
- RootScope rootScope, AstParser parser,
- FilterMap filters) {
- context['a'] = 123;
- context['b'] = 2;
- rootScope.watch(
- parser('a | multiply:b', filters: filters),
- (value, previous) => logger(value));
- rootScope.digest();
- expect(logger).toEqual([246]);
- logger.clear();
- rootScope.digest();
- expect(logger).toEqual([]);
- logger.clear();
- }));
+ describe(r'$id', () {
+ it(r'should have a unique id', inject((Scope $rootScope) {
+ expect($rootScope.$id != $rootScope.$new().$id).toBe(true);
+ }));
+ });
- it('should support arrays in filters', inject((Logger logger, Map context,
- RootScope rootScope,
- AstParser parser,
- FilterMap filters) {
- context['a'] = [1];
- rootScope.watch(
- parser('a | sort | listHead:"A" | listTail:"B"', filters: filters),
- (value, previous) => logger(value));
- rootScope.digest();
- expect(logger).toEqual(['sort', 'listHead', 'listTail', ['A', 1, 'B']]);
- logger.clear();
- rootScope.digest();
- expect(logger).toEqual([]);
- logger.clear();
+ describe(r'this', () {
+ it('should have a \'this\'', inject((Scope $rootScope) {
+ expect($rootScope['this']).toEqual($rootScope);
+ }));
+ });
- context['a'].add(2);
- rootScope.digest();
- expect(logger).toEqual(['sort', 'listHead', 'listTail', ['A', 1, 2, 'B']]);
- logger.clear();
- // We change the order, but sort should change it to same one and it should not
- // call subsequent filters.
- context['a'] = [2, 1];
- rootScope.digest();
- expect(logger).toEqual(['sort']);
- logger.clear();
- }));
- });
+ describe(r'$new()', () {
+ it(r'should create a child scope', inject((Scope $rootScope) {
+ var child = $rootScope.$new();
+ $rootScope.a = 123;
+ expect(child.a).toEqual(123);
+ }));
+ it(r'should create a non prototypically inherited child scope', inject((Scope $rootScope) {
+ var child = $rootScope.$new(isolate: true);
+ $rootScope.a = 123;
+ expect(child.a).toEqual(null);
+ expect(child.$parent).toEqual($rootScope);
+ expect(child.$root).toBe($rootScope);
+ }));
+ });
- describe('properties', () {
- describe('root', () {
- it('should point to itself', inject((RootScope rootScope) {
- expect(rootScope.rootScope).toEqual(rootScope);
+
+ describe(r'auto digest', () {
+ it(r'should auto digest at the end of the turn', inject((Scope $rootScope) {
+ var digestedValue = 0;
+ $rootScope.a = 1;
+ $rootScope.$watch('a', (newValue, oldValue, _this) {
+ digestedValue = newValue;
+ });
+ expect(digestedValue).toEqual(0);
+ zone.run(noop);
+ expect(digestedValue).toEqual(1);
}));
- it('children should point to root', inject((RootScope rootScope) {
- var child = rootScope.createChild(new PrototypeMap(rootScope.context));
- expect(child.rootScope).toEqual(rootScope);
- expect(child.createChild(new PrototypeMap(rootScope.context)).rootScope).toEqual(rootScope);
+ it(r'should skip auto digest if requested', inject((Scope $rootScope) {
+ var digestedValue = 0;
+ $rootScope.a = 1;
+ $rootScope.$watch('a', (newValue, oldValue, _this) {
+ digestedValue = newValue;
+ });
+ expect(digestedValue).toEqual(0);
+ zone.run(() {
+ $rootScope.$skipAutoDigest();
+ });
+ expect(digestedValue).toEqual(0);
+ zone.run(noop);
+ expect(digestedValue).toEqual(1);
}));
+
+ it(r'should skip auto digest if requested on any scope', inject((Scope $rootScope) {
+ var scope = $rootScope.$new();
+ var digestedValue = 0;
+ scope.a = 1;
+ scope.$watch('a', (newValue, oldValue, _this) {
+ digestedValue = newValue;
+ });
+ expect(digestedValue).toEqual(0);
+ zone.run(() {
+ scope.$skipAutoDigest();
+ });
+ expect(digestedValue).toEqual(0);
+ zone.run(noop);
+ expect(digestedValue).toEqual(1);
+ }));
+
+ it(r'should throw exception if asked to skip auto digest outside of a turn',
+ inject((Scope $rootScope) {
+ var digestedValue = 0;
+ $rootScope.a = 1;
+ $rootScope.$watch('a', (newValue, oldValue, _this) {
+ digestedValue = newValue;
+ });
+ expect(digestedValue).toEqual(0);
+ expect($rootScope.$skipAutoDigest).toThrow();
+ }));
});
- describe('parent', () {
- it('should not have parent', inject((RootScope rootScope) {
- expect(rootScope.parentScope).toEqual(null);
+ describe(r'$watch/$digest', () {
+ it(r'should watch and fire on simple property change', inject((Scope $rootScope) {
+ var log;
+
+ $rootScope.$watch('name', (a, b, c) {
+ log = [a, b, c];
+ });
+ $rootScope.$digest();
+ log = null;
+
+ expect(log).toEqual(null);
+ $rootScope.$digest();
+ expect(log).toEqual(null);
+ $rootScope.name = 'misko';
+ $rootScope.$digest();
+ expect(log).toEqual(['misko', null, $rootScope]);
}));
- it('should point to parent', inject((RootScope rootScope) {
- var child = rootScope.createChild(new PrototypeMap(rootScope.context));
- expect(rootScope.parentScope).toEqual(null);
- expect(child.parentScope).toEqual(rootScope);
- expect(child.createChild(new PrototypeMap(rootScope.context)).parentScope).toEqual(child);
+ it(r'should watch and fire on expression change', inject((Scope $rootScope) {
+ var log;
+
+ $rootScope.$watch('name.first', (a, b, c) {
+ log = [a, b, c];
+ });
+ $rootScope.$digest();
+ log = null;
+
+ $rootScope.name = {};
+ expect(log).toEqual(null);
+ $rootScope.$digest();
+ expect(log).toEqual(null);
+ $rootScope.name['first'] = 'misko';
+ $rootScope.$digest();
+ expect(log).toEqual(['misko', null, $rootScope]);
}));
- });
- });
- describe(r'events', () {
+ it(r'should delegate exceptions', () {
+ module((Module module) {
+ module.type(ExceptionHandler, implementedBy: LoggingExceptionHandler);
+ });
+ inject((Scope $rootScope, ExceptionHandler e) {
+ LoggingExceptionHandler $exceptionHandler = e;
+ $rootScope.$watch('a', () {throw 'abc';});
+ $rootScope.a = 1;
+ $rootScope.$digest();
+ expect($exceptionHandler.errors.length).toEqual(1);
+ expect($exceptionHandler.errors[0].error).toEqual('abc');
+ });
+ });
- describe('on', () {
- it('should allow emit/broadcast when no listeners', inject((RootScope scope) {
- scope.emit('foo');
- scope.broadcast('foo');
+
+ it(r'should fire watches in order of addition', inject((Scope $rootScope) {
+ // this is not an external guarantee, just our own sanity
+ var log = '';
+ $rootScope.$watch('a', (a, b, c) { log += 'a'; });
+ $rootScope.$watch('b', (a, b, c) { log += 'b'; });
+ $rootScope.$watch('c', (a, b, c) { log += 'c'; });
+ $rootScope.a = $rootScope.b = $rootScope.c = 1;
+ $rootScope.$digest();
+ expect(log).toEqual('abc');
}));
- it(r'should add listener for both emit and broadcast events', inject((RootScope rootScope) {
- var log = '',
- child = rootScope.createChild(new PrototypeMap(rootScope.context));
+ it(r'should call child $watchers in addition order', inject((Scope $rootScope) {
+ // this is not an external guarantee, just our own sanity
+ var log = '';
+ var childA = $rootScope.$new();
+ var childB = $rootScope.$new();
+ var childC = $rootScope.$new();
+ childA.$watch('a', (a, b, c) { log += 'a'; });
+ childB.$watch('b', (a, b, c) { log += 'b'; });
+ childC.$watch('c', (a, b, c) { log += 'c'; });
+ childA.a = childB.b = childC.c = 1;
+ $rootScope.$digest();
+ expect(log).toEqual('abc');
+ }));
- eventFn(event) {
- expect(event).not.toEqual(null);
- log += 'X';
- }
- child.on('abc').listen(eventFn);
- expect(log).toEqual('');
+ it(r'should allow $digest on a child scope with and without a right sibling', inject(
+ (Scope $rootScope) {
+ // tests a traversal edge case which we originally missed
+ var log = [],
+ childA = $rootScope.$new(),
+ childB = $rootScope.$new();
- child.emit('abc');
- expect(log).toEqual('X');
+ $rootScope.$watch((a) { log.add('r'); });
+ childA.$watch((a) { log.add('a'); });
+ childB.$watch((a) { log.add('b'); });
- child.broadcast('abc');
- expect(log).toEqual('XX');
+ // init
+ $rootScope.$digest();
+ expect(log.join('')).toEqual('rabra');
+
+ log.removeWhere((e) => true);
+ childA.$digest();
+ expect(log.join('')).toEqual('a');
+
+ log.removeWhere((e) => true);
+ childB.$digest();
+ expect(log.join('')).toEqual('b');
}));
- it(r'should return a function that deregisters the listener', inject((RootScope rootScope) {
+ it(r'should repeat watch cycle while model changes are identified', inject((Scope $rootScope) {
var log = '';
- var child = rootScope.createChild(new PrototypeMap(rootScope.context));
- var subscription;
+ $rootScope.$watch('c', (v, b, c) {$rootScope.d = v; log+='c'; });
+ $rootScope.$watch('b', (v, b, c) {$rootScope.c = v; log+='b'; });
+ $rootScope.$watch('a', (v, b, c) {$rootScope.b = v; log+='a'; });
+ $rootScope.$digest();
+ log = '';
+ $rootScope.a = 1;
+ $rootScope.$digest();
+ expect($rootScope.b).toEqual(1);
+ expect($rootScope.c).toEqual(1);
+ expect($rootScope.d).toEqual(1);
+ expect(log).toEqual('abc');
+ }));
- eventFn(e) {
- log += 'X';
- }
- subscription = child.on('abc').listen(eventFn);
- expect(log).toEqual('');
- expect(subscription).toBeDefined();
+ it(r'should repeat watch cycle from the root element', inject((Scope $rootScope) {
+ var log = '';
+ var child = $rootScope.$new();
+ $rootScope.$watch((a) { log += 'a'; });
+ child.$watch((a) { log += 'b'; });
+ $rootScope.$digest();
+ expect(log).toEqual('aba');
+ }));
- child.emit(r'abc');
- child.broadcast('abc');
- expect(log).toEqual('XX');
+ it(r'should not fire upon $watch registration on initial $digest', inject((Scope $rootScope) {
+ var log = '';
+ $rootScope.a = 1;
+ $rootScope.$watch('a', (a, b, c) { log += 'a'; });
+ $rootScope.$watch('b', (a, b, c) { log += 'b'; });
+ $rootScope.$digest();
log = '';
- expect(subscription.cancel()).toBe(null);
- child.emit(r'abc');
- child.broadcast('abc');
+ $rootScope.$digest();
expect(log).toEqual('');
}));
- it('should not trigger assertions on scope fork', inject((RootScope root) {
- var d1 = root.createChild({});
- var d2 = root.createChild({});
- var d3 = d2.createChild({});
- expect(root.apply).not.toThrow();
- d1.on(ScopeEvent.DESTROY).listen((_) => null);
- expect(root.apply).not.toThrow();
- d3.on(ScopeEvent.DESTROY).listen((_) => null);
- expect(root.apply).not.toThrow();
- d2.on(ScopeEvent.DESTROY).listen((_) => null);
- expect(root.apply).not.toThrow();
+
+ it(r'should watch functions', () {
+ module((Module module) {
+ module.type(ExceptionHandler, implementedBy: LoggingExceptionHandler);
+ });
+ inject((Scope $rootScope, ExceptionHandler e) {
+ LoggingExceptionHandler exceptionHandler = e;
+ $rootScope.fn = () {return 'a';};
+ $rootScope.$watch('fn', (fn, a, b) {
+ exceptionHandler.errors.add(fn());
+ });
+ $rootScope.$digest();
+ expect(exceptionHandler.errors).toEqual(['a']);
+ $rootScope.fn = () {return 'b';};
+ $rootScope.$digest();
+ expect(exceptionHandler.errors).toEqual(['a', 'b']);
+ });
+ });
+
+
+ it(r'should prevent $digest recursion', inject((Scope $rootScope) {
+ var callCount = 0;
+ $rootScope.$watch('name', (a, b, c) {
+ expect(() {
+ $rootScope.$digest();
+ }).toThrow(r'$digest already in progress');
+ callCount++;
+ });
+ $rootScope.name = 'a';
+ $rootScope.$digest();
+ expect(callCount).toEqual(1);
}));
- it('should not too eagerly create own streams', inject((RootScope root) {
- var a = root.createChild({});
- var a2 = root.createChild({});
- var b = a.createChild({});
- var c = b.createChild({});
- var d = c.createChild({});
- var e = d.createChild({});
- getStreamState() => [root.hasOwnStreams, a.hasOwnStreams, a2.hasOwnStreams,
- b.hasOwnStreams, c.hasOwnStreams, d.hasOwnStreams,
- e.hasOwnStreams];
+ it(r'should return a function that allows listeners to be unregistered', inject(
+ (Scope $rootScope) {
+ var listener = jasmine.createSpy('watch listener'),
+ listenerRemove;
- expect(getStreamState()).toEqual([false, false, false, false, false, false, false]);
- expect(root.apply).not.toThrow();
+ listenerRemove = $rootScope.$watch('foo', listener);
+ $rootScope.$digest(); //init
+ expect(listener).toHaveBeenCalled();
+ expect(listenerRemove).toBeDefined();
- e.on(ScopeEvent.DESTROY).listen((_) => null);
- expect(getStreamState()).toEqual([false, false, false, false, false, false, true]);
- expect(root.apply).not.toThrow();
+ listener.reset();
+ $rootScope.foo = 'bar';
+ $rootScope.$digest(); //triger
+ expect(listener).toHaveBeenCalledOnce();
- d.on(ScopeEvent.DESTROY).listen((_) => null);
- expect(getStreamState()).toEqual([false, false, false, false, false, true, true]);
- expect(root.apply).not.toThrow();
+ listener.reset();
+ $rootScope.foo = 'baz';
+ listenerRemove();
+ $rootScope.$digest(); //trigger
+ expect(listener).not.toHaveBeenCalled();
+ }));
- b.on(ScopeEvent.DESTROY).listen((_) => null);
- expect(getStreamState()).toEqual([false, false, false, true, false, true, true]);
- expect(root.apply).not.toThrow();
- c.on(ScopeEvent.DESTROY).listen((_) => null);
- expect(getStreamState()).toEqual([false, false, false, true, true, true, true]);
- expect(root.apply).not.toThrow();
+ it(r'should not infinitely digest when current value is NaN', inject((Scope $rootScope) {
+ $rootScope.$watch((a) { return double.NAN;});
- a.on(ScopeEvent.DESTROY).listen((_) => null);
- expect(getStreamState()).toEqual([false, true, false, true, true, true, true]);
- expect(root.apply).not.toThrow();
+ expect(() {
+ $rootScope.$digest();
+ }).not.toThrow();
+ }));
- a2.on(ScopeEvent.DESTROY).listen((_) => null);
- expect(getStreamState()).toEqual([true, true, true, true, true, true, true]);
- expect(root.apply).not.toThrow();
+
+ it(r'should prevent infinite digest and should log firing expressions', inject((Scope $rootScope) {
+ $rootScope['a'] = 0;
+ $rootScope['b'] = 0;
+ $rootScope.$watch('a = a + 1');
+ $rootScope.$watch('b = b + 1');
+
+ expect(() {
+ $rootScope.$digest();
+ }).toThrow('Watchers fired in the last 3 iterations: ['
+ '["a = a + 1","b = b + 1"],'
+ '["a = a + 1","b = b + 1"],'
+ '["a = a + 1","b = b + 1"]'
+ ']');
}));
- it('should not properly merge streams', inject((RootScope root) {
- var a = root.createChild({});
- var a2 = root.createChild({});
- var b = a.createChild({});
- var c = b.createChild({});
- var d = c.createChild({});
- var e = d.createChild({});
+ it(r'should always call the watchr with newVal and oldVal equal on the first run',
+ inject((Scope $rootScope) {
+ var log = [];
+ var logger = (scope, newVal, oldVal) {
+ var val = (newVal == oldVal || (newVal != oldVal && oldVal != newVal)) ? newVal : 'xxx';
+ log.add(val);
+ };
- getStreamState() => [root.hasOwnStreams, a.hasOwnStreams, a2.hasOwnStreams,
- b.hasOwnStreams, c.hasOwnStreams, d.hasOwnStreams,
- e.hasOwnStreams];
+ $rootScope.$watch((s) { return double.NAN;}, logger);
+ $rootScope.$watch((s) { return null;}, logger);
+ $rootScope.$watch((s) { return '';}, logger);
+ $rootScope.$watch((s) { return false;}, logger);
+ $rootScope.$watch((s) { return 23;}, logger);
- expect(getStreamState()).toEqual([false, false, false, false, false, false, false]);
- expect(root.apply).not.toThrow();
+ $rootScope.$digest();
+ expect(log.removeAt(0).isNaN).toEqual(true); //jasmine's toBe and toEqual don't work well with NaNs
+ expect(log).toEqual([null, '', false, 23]);
+ log = [];
+ $rootScope.$digest();
+ expect(log).toEqual([]);
+ }));
- a2.on(ScopeEvent.DESTROY).listen((_) => null);
- expect(getStreamState()).toEqual([false, false, true, false, false, false, false]);
- expect(root.apply).not.toThrow();
+ describe('lazy digest', () {
+ var rootScope, lazyScope, eagerScope;
- e.on(ScopeEvent.DESTROY).listen((_) => null);
- expect(getStreamState()).toEqual([true, false, true, false, false, false, true]);
- expect(root.apply).not.toThrow();
+ beforeEach(inject((Scope root) {
+ rootScope = root;
+ lazyScope = root.$new(lazy: true);
+ eagerScope = root.$new();
+ }));
+
+ it('should digest initially', () {
+ var log = '';
+ lazyScope.$watch(() {log += 'lazy;';});
+ eagerScope.$watch(() {log += 'eager;';});
+
+ rootScope.$digest();
+ expect(log).toEqual('lazy;eager;');
+
+ rootScope.$digest();
+ expect(log).toEqual('lazy;eager;eager;');
+
+ lazyScope.$dirty();
+ rootScope.$digest();
+ expect(log).toEqual('lazy;eager;eager;lazy;eager;');
+ });
+ });
+
+ describe('disabled digest', () {
+ var rootScope, childScope;
+
+ beforeEach(inject((Scope root) {
+ rootScope = root;
+ childScope = root.$new();
+ }));
+
+ it('should disable digest', () {
+ var log = '';
+ childScope.$watch(() {log += 'digest;';});
+
+ rootScope.$digest();
+ expect(log).toEqual('digest;');
+
+ childScope.$disabled = true;
+ expect(childScope.$disabled).toEqual(true);
+ rootScope.$digest();
+ expect(log).toEqual('digest;');
+
+ childScope.$disabled = false;
+ expect(childScope.$disabled).toEqual(false);
+ rootScope.$digest();
+ expect(log).toEqual('digest;digest;');
+ });
+ });
+ });
+
+
+ describe(r'$watchSet', () {
+ var scope;
+ beforeEach(inject((Scope s) => scope = s));
+
+ it('should skip empty sets', () {
+ expect(scope.$watchSet([], null)()).toBe(null);
+ });
+
+ it('should treat set of 1 as direct watch', () {
+ var lastValues = ['foo'];
+ var log = '';
+ var clean = scope.$watchSet(['a'], (values, oldValues, s) {
+ log += values.join(',') + ';';
+ expect(s).toBe(scope);
+ expect(oldValues).toEqual(lastValues);
+ lastValues = new List.from(values);
+ });
+
+ scope.a = 'foo';
+ scope.$digest();
+ expect(log).toEqual('foo;');
+
+ scope.$digest();
+ expect(log).toEqual('foo;');
+
+ scope.a = 'bar';
+ scope.$digest();
+ expect(log).toEqual('foo;bar;');
+
+ clean();
+ scope.a = 'xxx';
+ scope.$digest();
+ expect(log).toEqual('foo;bar;');
+ });
+
+ it('should detect a change to any one in a set', () {
+ var lastValues = ['foo', 'bar'];
+ var log = '';
+ var clean = scope.$watchSet(['a', 'b'], (values, oldValues, s) {
+ log += values.join(',') + ';';
+ expect(oldValues).toEqual(lastValues);
+ lastValues = new List.from(values);
+ });
+
+ scope.a = 'foo';
+ scope.b = 'bar';
+ scope.$digest();
+ expect(log).toEqual('foo,bar;');
+
+ scope.$digest();
+ expect(log).toEqual('foo,bar;');
+
+ scope.a = 'a';
+ scope.$digest();
+ expect(log).toEqual('foo,bar;a,bar;');
+
+ scope.a = 'A';
+ scope.b = 'B';
+ scope.$digest();
+ expect(log).toEqual('foo,bar;a,bar;A,B;');
+
+ clean();
+ scope.a = 'xxx';
+ scope.$digest();
+ expect(log).toEqual('foo,bar;a,bar;A,B;');
+ });
+ });
+
+
+ describe(r'$destroy', () {
+ var first = null, middle = null, last = null, log = null;
+
+ beforeEach(inject((Scope $rootScope) {
+ log = '';
+
+ first = $rootScope.$new();
+ middle = $rootScope.$new();
+ last = $rootScope.$new();
+
+ first.$watch((s) { log += '1';});
+ middle.$watch((s) { log += '2';});
+ last.$watch((s) { log += '3';});
+
+ $rootScope.$digest();
+ log = '';
}));
- it('should clean up on cancel', inject((RootScope root) {
- var child = root.createChild(null);
- var cl = child.on("E").listen((e) => null);
- var rl = root.on("E").listen((e) => null);
- rl.cancel();
- expect(root.apply).not.toThrow();
+ it(r'should ignore remove on root', inject((Scope $rootScope) {
+ $rootScope.$destroy();
+ $rootScope.$digest();
+ expect(log).toEqual('123');
}));
- it('should find random bugs', inject((RootScope root) {
- List scopes;
- List listeners;
- List steps;
- var random = new Random();
- for (var i = 0; i < 1000; i++) {
- if (i % 10 == 0) {
- scopes = [root.createChild(null)];
- listeners = [];
- steps = [];
- }
- switch(random.nextInt(4)) {
- case 0:
- if (scopes.length > 10) break;
- var index = random.nextInt(scopes.length);
- Scope scope = scopes[index];
- var child = scope.createChild(null);
- scopes.add(child);
- steps.add('scopes[$index].createChild(null)');
- break;
- case 1:
- var index = random.nextInt(scopes.length);
- Scope scope = scopes[index];
- listeners.add(scope.on('E').listen((e) => null));
- steps.add('scopes[$index].on("E").listen((e)=>null)');
- break;
- case 2:
- if (scopes.length < 3) break;
- var index = random.nextInt(scopes.length - 1) + 1;
- Scope scope = scopes[index];
- scope.destroy();
- scopes = scopes.where((Scope s) => s.isAttached).toList();
- steps.add('scopes[$index].destroy()');
- break;
- case 3:
- if (listeners.length == 0) break;
- var index = random.nextInt(listeners.length);
- var l = listeners[index];
- l.cancel();
- listeners.remove(l);
- steps.add('listeners[$index].cancel()');
- break;
- }
- try {
- root.apply();
- } catch (e) {
- expect('').toEqual(steps.join(';\n'));
- }
- }
+ it(r'should remove first', inject((Scope $rootScope) {
+ first.$destroy();
+ $rootScope.$digest();
+ expect(log).toEqual('23');
}));
- });
- describe('emit', () {
- var log, child, grandChild, greatGrandChild;
+ it(r'should remove middle', inject((Scope $rootScope) {
+ middle.$destroy();
+ $rootScope.$digest();
+ expect(log).toEqual('13');
+ }));
- logger(event) {
- log.add(event.currentScope.context['id']);
- }
- beforeEach(module(() {
- return (RootScope rootScope) {
- log = [];
- child = rootScope.createChild({'id': 1});
- grandChild = child.createChild({'id': 2});
- greatGrandChild = grandChild.createChild({'id': 3});
+ it(r'should remove last', inject((Scope $rootScope) {
+ last.$destroy();
+ $rootScope.$digest();
+ expect(log).toEqual('12');
+ }));
- rootScope.context['id'] = 0;
- rootScope.on('myEvent').listen(logger);
- child.on('myEvent').listen(logger);
- grandChild.on('myEvent').listen(logger);
- greatGrandChild.on('myEvent').listen(logger);
- };
+ it(r'should broadcast the $destroy event', inject((Scope $rootScope) {
+ var log = [];
+ first.$on(r'$destroy', (s) => log.add('first'));
+ first.$new().$on(r'$destroy', (s) => log.add('first-child'));
+
+ first.$destroy();
+ expect(log).toEqual(['first', 'first-child']);
}));
+ });
- it(r'should bubble event up to the root scope', inject((RootScope rootScope) {
- grandChild.emit(r'myEvent');
- expect(log.join('>')).toEqual('2>1>0');
+
+ describe(r'$eval', () {
+ it(r'should eval an expression', inject((Scope $rootScope) {
+ expect($rootScope.$eval('a=1')).toEqual(1);
+ expect($rootScope.a).toEqual(1);
+
+ $rootScope.$eval((self, locals) {self.b=2;});
+ expect($rootScope.b).toEqual(2);
}));
- it(r'should dispatch exceptions to the exceptionHandler', () {
- module((Module module) {
- module.type(ExceptionHandler, implementedBy: LoggingExceptionHandler);
+ it(r'should allow passing locals to the expression', inject((Scope $rootScope) {
+ expect($rootScope.$eval('a+1', {"a": 2})).toBe(3);
+
+ $rootScope.$eval((scope) {
+ scope['c'] = scope['b'] + 4;
+ }, {"b": 3});
+ expect($rootScope.c).toBe(7);
+ }));
+ });
+
+
+ describe(r'$evalAsync', () {
+
+ it(r'should run callback before $watch', inject((Scope $rootScope) {
+ var log = '';
+ var child = $rootScope.$new();
+ $rootScope.$evalAsync((scope, _) { log += 'parent.async;'; });
+ $rootScope.$watch('value', (_, _0, _1) { log += 'parent.\$digest;'; });
+ child.$evalAsync((scope, _) { log += 'child.async;'; });
+ child.$watch('value', (_, _0, _1) { log += 'child.\$digest;'; });
+ $rootScope.$digest();
+ expect(log).toEqual('parent.async;child.async;parent.\$digest;child.\$digest;');
+ }));
+
+ it(r'should cause a $digest rerun', inject((Scope $rootScope) {
+ $rootScope.log = '';
+ $rootScope.value = 0;
+ // NOTE(deboer): watch listener string functions not yet supported
+ //$rootScope.$watch('value', 'log = log + ".";');
+ $rootScope.$watch('value', (__, _, scope) { scope.log = scope.log + "."; });
+ $rootScope.$watch('init', (_, __, _0) {
+ $rootScope.$evalAsync('value = 123; log = log + "=" ');
+ expect($rootScope.value).toEqual(0);
});
- inject((ExceptionHandler e) {
- LoggingExceptionHandler exceptionHandler = e;
- child.on('myEvent').listen((e) { throw 'bubbleException'; });
- grandChild.emit(r'myEvent');
- expect(log.join('>')).toEqual('2>1>0');
- expect(exceptionHandler.errors[0].error).toEqual('bubbleException');
- });
- });
+ $rootScope.$digest();
+ expect($rootScope.log).toEqual('.=.');
+ }));
+ it(r'should run async in the same order as added', inject((Scope $rootScope) {
+ $rootScope.log = '';
+ $rootScope.$evalAsync("log = log + 1");
+ $rootScope.$evalAsync("log = log + 2");
+ $rootScope.$digest();
+ expect($rootScope.log).toEqual('12');
+ }));
- it(r'should allow stopping event propagation', inject((RootScope rootScope) {
- child.on('myEvent').listen((event) { event.stopPropagation(); });
- grandChild.emit(r'myEvent');
- expect(log.join('>')).toEqual('2>1');
+ it(r'should allow running after digest', inject((Scope $rootScope) {
+ $rootScope.log = '';
+ $rootScope.$evalAsync(() => $rootScope.log += 'eval;', outsideDigest: true);
+ $rootScope.$watch(() { $rootScope.log += 'digest;'; });
+ $rootScope.$digest();
+ expect($rootScope.log).toEqual('digest;eval;');
}));
+ it(r'should allow running after digest in issolate scope', inject((Scope $rootScope) {
+ var isolateScope = $rootScope.$new(isolate: true);
+ isolateScope.log = '';
+ isolateScope.$evalAsync(() => isolateScope.log += 'eval;', outsideDigest: true);
+ isolateScope.$watch(() { isolateScope.log += 'digest;'; });
+ isolateScope.$digest();
+ expect(isolateScope.log).toEqual('digest;eval;');
+ }));
- it(r'should forward method arguments', inject((RootScope rootScope) {
- var eventName;
- var eventData;
- child.on('abc').listen((event) {
- eventName = event.name;
- eventData = event.data;
- });
- child.emit('abc', ['arg1', 'arg2']);
- expect(eventName).toEqual('abc');
- expect(eventData).toEqual(['arg1', 'arg2']);
+ });
+
+
+ describe(r'$apply', () {
+ it(r'should apply expression with full lifecycle', inject((Scope $rootScope) {
+ var log = '';
+ var child = $rootScope.$new();
+ $rootScope.$watch('a', (a, _, __) { log += '1'; });
+ child.$apply(r'$parent.a=0');
+ expect(log).toEqual('1');
}));
- describe(r'event object', () {
- it(r'should have methods/properties', inject((RootScope rootScope) {
- var event;
- child.on('myEvent').listen((e) {
- expect(e.targetScope).toBe(grandChild);
- expect(e.currentScope).toBe(child);
- expect(e.name).toBe('myEvent');
- event = e;
- });
- grandChild.emit(r'myEvent');
- expect(event).toBeDefined();
+ it(r'should catch exceptions', () {
+ module((Module module) => module.type(ExceptionHandler, implementedBy: LoggingExceptionHandler));
+ inject((Scope $rootScope, ExceptionHandler e) {
+ LoggingExceptionHandler $exceptionHandler = e;
+ var log = [];
+ var child = $rootScope.$new();
+ $rootScope.$watch('a', (a, _, __) => log.add('1'));
+ $rootScope.a = 0;
+ child.$apply((_, __) { throw 'MyError'; });
+ expect(log.join(',')).toEqual('1');
+ expect($exceptionHandler.errors[0].error).toEqual('MyError');
+ $exceptionHandler.errors.removeAt(0);
+ $exceptionHandler.assertEmpty();
+ });
+ });
+
+
+ describe(r'exceptions', () {
+ var log;
+ beforeEach(module((Module module) {
+ return module.type(ExceptionHandler, implementedBy: LoggingExceptionHandler);
}));
+ beforeEach(inject((Scope $rootScope) {
+ log = '';
+ $rootScope.$watch(() { log += '\$digest;'; });
+ $rootScope.$digest();
+ log = '';
+ }));
- it(r'should have preventDefault method and defaultPrevented property', inject((RootScope rootScope) {
- var event = grandChild.emit(r'myEvent');
- expect(event.defaultPrevented).toBe(false);
+ it(r'should execute and return value and update', inject(
+ (Scope $rootScope, ExceptionHandler e) {
+ LoggingExceptionHandler $exceptionHandler = e;
+ $rootScope.name = 'abc';
+ expect($rootScope.$apply((scope) => scope.name)).toEqual('abc');
+ expect(log).toEqual(r'$digest;');
+ $exceptionHandler.assertEmpty();
+ }));
- child.on('myEvent').listen((event) {
- event.preventDefault();
- });
- event = grandChild.emit(r'myEvent');
- expect(event.defaultPrevented).toBe(true);
+
+ it(r'should catch exception and update', inject((Scope $rootScope, ExceptionHandler e) {
+ LoggingExceptionHandler $exceptionHandler = e;
+ var error = 'MyError';
+ $rootScope.$apply(() { throw error; });
+ expect(log).toEqual(r'$digest;');
+ expect($exceptionHandler.errors[0].error).toEqual(error);
}));
});
+
+ it(r'should proprely reset phase on exception', inject((Scope $rootScope) {
+ var error = 'MyError';
+ expect(() =>$rootScope.$apply(() { throw error; })).toThrow(error);
+ expect(() =>$rootScope.$apply(() { throw error; })).toThrow(error);
+ }));
});
- describe('broadcast', () {
- describe(r'event propagation', () {
- var log, child1, child2, child3, grandChild11, grandChild21, grandChild22, grandChild23,
- greatGrandChild211;
+ describe(r'events', () {
- logger(event) {
- log.add(event.currentScope.context['id']);
- }
+ describe(r'$on', () {
- beforeEach(inject((RootScope rootScope) {
- log = [];
- child1 = rootScope.createChild({});
- child2 = rootScope.createChild({});
- child3 = rootScope.createChild({});
- grandChild11 = child1.createChild({});
- grandChild21 = child2.createChild({});
- grandChild22 = child2.createChild({});
- grandChild23 = child2.createChild({});
- greatGrandChild211 = grandChild21.createChild({});
+ it(r'should add listener for both $emit and $broadcast events', inject((Scope $rootScope) {
+ var log = '',
+ child = $rootScope.$new();
- rootScope.context['id'] = 0;
- child1.context['id'] = 1;
- child2.context['id'] = 2;
- child3.context['id'] = 3;
- grandChild11.context['id'] = 11;
- grandChild21.context['id'] = 21;
- grandChild22.context['id'] = 22;
- grandChild23.context['id'] = 23;
- greatGrandChild211.context['id'] = 211;
+ eventFn() {
+ log += 'X';
+ }
- rootScope.on('myEvent').listen(logger);
- child1.on('myEvent').listen(logger);
- child2.on('myEvent').listen(logger);
- child3.on('myEvent').listen(logger);
- grandChild11.on('myEvent').listen(logger);
- grandChild21.on('myEvent').listen(logger);
- grandChild22.on('myEvent').listen(logger);
- grandChild23.on('myEvent').listen(logger);
- greatGrandChild211.on('myEvent').listen(logger);
+ child.$on('abc', eventFn);
+ expect(log).toEqual('');
- // R
- // / | \
- // 1 2 3
- // / / | \
- // 11 21 22 23
- // |
- // 211
+ child.$emit(r'abc');
+ expect(log).toEqual('X');
+
+ child.$broadcast('abc');
+ expect(log).toEqual('XX');
}));
- it(r'should broadcast an event from the root scope', inject((RootScope rootScope) {
- rootScope.broadcast('myEvent');
- expect(log.join('>')).toEqual('0>1>11>2>21>211>22>23>3');
- }));
+ it(r'should return a function that deregisters the listener', inject((Scope $rootScope) {
+ var log = '',
+ child = $rootScope.$new(),
+ listenerRemove;
+ eventFn() {
+ log += 'X';
+ }
- it(r'should broadcast an event from a child scope', inject((RootScope rootScope) {
- child2.broadcast('myEvent');
- expect(log.join('>')).toEqual('2>21>211>22>23');
- }));
+ listenerRemove = child.$on('abc', eventFn);
+ expect(log).toEqual('');
+ expect(listenerRemove).toBeDefined();
+ child.$emit(r'abc');
+ child.$broadcast('abc');
+ expect(log).toEqual('XX');
- it(r'should broadcast an event from a leaf scope with a sibling', inject((RootScope rootScope) {
- grandChild22.broadcast('myEvent');
- expect(log.join('>')).toEqual('22');
+ log = '';
+ listenerRemove();
+ child.$emit(r'abc');
+ child.$broadcast('abc');
+ expect(log).toEqual('');
}));
+ });
- it(r'should broadcast an event from a leaf scope without a sibling', inject((RootScope rootScope) {
- grandChild23.broadcast('myEvent');
- expect(log.join('>')).toEqual('23');
+ describe(r'$emit', () {
+ var log, child, grandChild, greatGrandChild;
+
+ logger(event) {
+ log.add(event.currentScope.id);
+ }
+
+ beforeEach(module((Module module) {
+ return module.type(ExceptionHandler, implementedBy: LoggingExceptionHandler);
}));
+ beforeEach(inject((Scope $rootScope) {
+ log = [];
+ child = $rootScope.$new();
+ grandChild = child.$new();
+ greatGrandChild = grandChild.$new();
+ $rootScope.id = 0;
+ child.id = 1;
+ grandChild.id = 2;
+ greatGrandChild.id = 3;
- it(r'should not not fire any listeners for other events', inject((RootScope rootScope) {
- rootScope.broadcast('fooEvent');
- expect(log.join('>')).toEqual('');
+ $rootScope.$on('myEvent', logger);
+ child.$on('myEvent', logger);
+ grandChild.$on('myEvent', logger);
+ greatGrandChild.$on('myEvent', logger);
}));
+ it(r'should bubble event up to the root scope', () {
+ grandChild.$emit(r'myEvent');
+ expect(log.join('>')).toEqual('2>1>0');
+ });
- it(r'should return event object', inject((RootScope rootScope) {
- var result = child1.broadcast('some');
- expect(result).toBeDefined();
- expect(result.name).toBe('some');
- expect(result.targetScope).toBe(child1);
+ it(r'should dispatch exceptions to the $exceptionHandler',
+ inject((ExceptionHandler e) {
+ LoggingExceptionHandler $exceptionHandler = e;
+ child.$on('myEvent', () { throw 'bubbleException'; });
+ grandChild.$emit(r'myEvent');
+ expect(log.join('>')).toEqual('2>1>0');
+ expect($exceptionHandler.errors[0].error).toEqual('bubbleException');
}));
- it('should skip scopes which dont have given event',
- inject((RootScope rootScope, Logger log) {
- var child1 = rootScope.createChild('A');
- rootScope.createChild('A1');
- rootScope.createChild('A2');
- rootScope.createChild('A3');
- var child2 = rootScope.createChild('B');
- child2.on('event').listen((e) => log(e.data));
- rootScope.broadcast('event', 'OK');
- expect(log).toEqual(['OK']);
- }));
- });
+ it(r'should allow stopping event propagation', () {
+ child.$on('myEvent', (event) { event.stopPropagation(); });
+ grandChild.$emit(r'myEvent');
+ expect(log.join('>')).toEqual('2>1');
+ });
- describe(r'listener', () {
- it(r'should receive event object', inject((RootScope rootScope) {
- var scope = rootScope,
- child = scope.createChild({}),
- event;
+ it(r'should forward method arguments', () {
+ child.$on('abc', (event, arg1, arg2) {
+ expect(event.name).toBe('abc');
+ expect(arg1).toBe('arg1');
+ expect(arg2).toBe('arg2');
+ });
+ child.$emit(r'abc', ['arg1', 'arg2']);
+ });
- child.on('fooEvent').listen((e) {
- event = e;
+
+ describe(r'event object', () {
+ it(r'should have methods/properties', () {
+ var event;
+ child.$on('myEvent', (e) {
+ expect(e.targetScope).toBe(grandChild);
+ expect(e.currentScope).toBe(child);
+ expect(e.name).toBe('myEvent');
+ event = e;
+ });
+ grandChild.$emit(r'myEvent');
+ expect(event).toBeDefined();
});
- scope.broadcast('fooEvent');
- expect(event.name).toBe('fooEvent');
- expect(event.targetScope).toBe(scope);
- expect(event.currentScope).toBe(child);
- }));
- it(r'should support passing messages as varargs', inject((RootScope rootScope) {
- var scope = rootScope,
- child = scope.createChild({}),
- args;
+ it(r'should have preventDefault method and defaultPrevented property', () {
+ var event = grandChild.$emit(r'myEvent');
+ expect(event.defaultPrevented).toBe(false);
- child.on('fooEvent').listen((e) {
- args = e.data;
+ child.$on('myEvent', (event) {
+ event.preventDefault();
+ });
+ event = grandChild.$emit(r'myEvent');
+ expect(event.defaultPrevented).toBe(true);
});
- scope.broadcast('fooEvent', ['do', 're', 'me', 'fa']);
-
- expect(args.length).toBe(4);
- expect(args).toEqual(['do', 're', 'me', 'fa']);
- }));
+ });
});
- });
- });
- describe(r'destroy', () {
- var first = null, middle = null, last = null, log = null;
+ describe(r'$broadcast', () {
+ describe(r'event propagation', () {
+ var log, child1, child2, child3, grandChild11, grandChild21, grandChild22, grandChild23,
+ greatGrandChild211;
- beforeEach(inject((RootScope rootScope) {
- log = '';
+ logger(event) {
+ log.add(event.currentScope.id);
+ }
- first = rootScope.createChild({"check": (n) { log+= '$n'; return n;}});
- middle = rootScope.createChild({"check": (n) { log+= '$n'; return n;}});
- last = rootScope.createChild({"check": (n) { log+= '$n'; return n;}});
+ beforeEach(inject((Scope $rootScope) {
+ log = [];
+ child1 = $rootScope.$new();
+ child2 = $rootScope.$new();
+ child3 = $rootScope.$new();
+ grandChild11 = child1.$new();
+ grandChild21 = child2.$new();
+ grandChild22 = child2.$new();
+ grandChild23 = child2.$new();
+ greatGrandChild211 = grandChild21.$new();
- first.watch('check(1)', (v, l) {});
- middle.watch('check(2)', (v, l) {});
- last.watch('check(3)', (v, l) {});
+ $rootScope.id = 0;
+ child1.id = 1;
+ child2.id = 2;
+ child3.id = 3;
+ grandChild11.id = 11;
+ grandChild21.id = 21;
+ grandChild22.id = 22;
+ grandChild23.id = 23;
+ greatGrandChild211.id = 211;
- first.on(ScopeEvent.DESTROY).listen((e) { log += 'destroy:first;'; });
+ $rootScope.$on('myEvent', logger);
+ child1.$on('myEvent', logger);
+ child2.$on('myEvent', logger);
+ child3.$on('myEvent', logger);
+ grandChild11.$on('myEvent', logger);
+ grandChild21.$on('myEvent', logger);
+ grandChild22.$on('myEvent', logger);
+ grandChild23.$on('myEvent', logger);
+ greatGrandChild211.$on('myEvent', logger);
- rootScope.digest();
- log = '';
- }));
+ // R
+ // / | \
+ // 1 2 3
+ // / / | \
+ // 11 21 22 23
+ // |
+ // 211
+ }));
- it(r'should ignore remove on root', inject((RootScope rootScope) {
- rootScope.destroy();
- rootScope.digest();
- expect(log).toEqual('123');
- }));
+ it(r'should broadcast an event from the root scope', inject((Scope $rootScope) {
+ $rootScope.$broadcast('myEvent');
+ expect(log.join('>')).toEqual('0>1>11>2>21>211>22>23>3');
+ }));
- it(r'should remove first', inject((RootScope rootScope) {
- first.destroy();
- rootScope.digest();
- expect(log).toEqual('destroy:first;23');
- }));
+ it(r'should broadcast an event from a child scope', () {
+ child2.$broadcast('myEvent');
+ expect(log.join('>')).toEqual('2>21>211>22>23');
+ });
- it(r'should remove middle', inject((RootScope rootScope) {
- middle.destroy();
- rootScope.digest();
- expect(log).toEqual('13');
- }));
+ it(r'should broadcast an event from a leaf scope with a sibling', () {
+ grandChild22.$broadcast('myEvent');
+ expect(log.join('>')).toEqual('22');
+ });
- it(r'should remove last', inject((RootScope rootScope) {
- last.destroy();
- rootScope.digest();
- expect(log).toEqual('12');
- }));
+ it(r'should broadcast an event from a leaf scope without a sibling', () {
+ grandChild23.$broadcast('myEvent');
+ expect(log.join('>')).toEqual('23');
+ });
- it(r'should broadcast the destroy event', inject((RootScope rootScope) {
- var log = [];
- first.on(ScopeEvent.DESTROY).listen((s) => log.add('first'));
- var child = first.createChild({});
- child.on(ScopeEvent.DESTROY).listen((s) => log.add('first-child'));
+ it(r'should not not fire any listeners for other events', inject((Scope $rootScope) {
+ $rootScope.$broadcast('fooEvent');
+ expect(log.join('>')).toEqual('');
+ }));
- first.destroy();
- expect(log).toEqual(['first', 'first-child']);
- }));
+ it(r'should return event object', () {
+ var result = child1.$broadcast('some');
- it('should not call reaction function on destroyed scope', inject((RootScope rootScope, Logger log) {
- rootScope.context['name'] = 'misko';
- var child = rootScope.createChild(rootScope.context);
- rootScope.watch('name', (v, _) {
- log('root $v');
- if (v == 'destroy') {
- child.destroy();
- }
- });
- rootScope.watch('name', (v, _) => log('root2 $v'));
- child.watch('name', (v, _) => log('child $v'));
- rootScope.apply();
- expect(log).toEqual(['root misko', 'root2 misko', 'child misko']);
- log.clear();
+ expect(result).toBeDefined();
+ expect(result.name).toBe('some');
+ expect(result.targetScope).toBe(child1);
+ });
+ });
- rootScope.context['name'] = 'destroy';
- rootScope.apply();
- expect(log).toEqual(['root destroy', 'root2 destroy']);
- }));
- });
+ describe(r'listener', () {
+ it(r'should receive event object', inject((Scope $rootScope) {
+ var scope = $rootScope,
+ child = scope.$new(),
+ event;
- describe('digest lifecycle', () {
- it(r'should apply expression with full lifecycle', inject((RootScope rootScope) {
- var log = '';
- var child = rootScope.createChild({"parent": rootScope.context});
- rootScope.watch('a', (a, _) { log += '1'; });
- child.apply('parent.a = 0');
- expect(log).toEqual('1');
- }));
+ child.$on('fooEvent', (e) {
+ event = e;
+ });
+ scope.$broadcast('fooEvent');
+ expect(event.name).toBe('fooEvent');
+ expect(event.targetScope).toBe(scope);
+ expect(event.currentScope).toBe(child);
+ }));
- it(r'should catch exceptions', () {
- module((Module module) => module.type(ExceptionHandler, implementedBy: LoggingExceptionHandler));
- inject((RootScope rootScope, ExceptionHandler e) {
- LoggingExceptionHandler exceptionHandler = e;
- var log = [];
- var child = rootScope.createChild({});
- rootScope.watch('a', (a, _) => log.add('1'));
- rootScope.context['a'] = 0;
- child.apply(() { throw 'MyError'; });
- expect(log.join(',')).toEqual('1');
- expect(exceptionHandler.errors[0].error).toEqual('MyError');
- exceptionHandler.errors.removeAt(0);
- exceptionHandler.assertEmpty();
- });
- });
+ it(r'should support passing messages as varargs', inject((Scope $rootScope) {
+ var scope = $rootScope,
+ child = scope.$new(),
+ args;
- describe(r'exceptions', () {
- var log;
- beforeEach(module((Module module) {
- return module.type(ExceptionHandler, implementedBy: LoggingExceptionHandler);
- }));
- beforeEach(inject((RootScope rootScope) {
- rootScope.context['log'] = () { log += 'digest;'; return null; };
- log = '';
- rootScope.watch('log()', (v, o) => null);
- rootScope.digest();
- log = '';
- }));
+ child.$on('fooEvent', (a, b, c, d, e) {
+ args = [a, b, c, d, e];
+ });
+ scope.$broadcast('fooEvent', ['do', 're', 'me', 'fa']);
+ expect(args.length).toBe(5);
+ expect(args.sublist(1)).toEqual(['do', 're', 'me', 'fa']);
+ }));
+ });
+ });
+ });
- it(r'should execute and return value and update', inject(
- (RootScope rootScope, ExceptionHandler e) {
- LoggingExceptionHandler exceptionHandler = e;
- rootScope.context['name'] = 'abc';
- expect(rootScope.apply((context) => context['name'])).toEqual('abc');
- expect(log).toEqual('digest;digest;');
- exceptionHandler.assertEmpty();
- }));
+ describe('\$watchCollection', () {
+ var log, $rootScope, deregister;
- it(r'should execute and return value and update', inject((RootScope rootScope) {
- rootScope.context['name'] = 'abc';
- expect(rootScope.apply('name', {'name': 123})).toEqual(123);
+ beforeEach(inject((Scope _$rootScope_) {
+ log = [];
+ $rootScope = _$rootScope_;
+ deregister = $rootScope.$watchCollection('obj', (obj) {
+ log.add(JSON.encode(obj));
+ });
}));
- it(r'should catch exception and update', inject((RootScope rootScope, ExceptionHandler e) {
- LoggingExceptionHandler exceptionHandler = e;
- var error = 'MyError';
- rootScope.apply(() { throw error; });
- expect(log).toEqual('digest;digest;');
- expect(exceptionHandler.errors[0].error).toEqual(error);
+ it('should not trigger if nothing change', inject((Scope $rootScope) {
+ $rootScope.$digest();
+ expect(log).toEqual(['null']);
+
+ $rootScope.$digest();
+ expect(log).toEqual(['null']);
}));
- });
- it(r'should proprely reset phase on exception', inject((RootScope rootScope) {
- var error = 'MyError';
- expect(() => rootScope.apply(() { throw error; })).toThrow(error);
- expect(() => rootScope.apply(() { throw error; })).toThrow(error);
- }));
- });
+ it('should allow deregistration', inject((Scope $rootScope) {
+ $rootScope.obj = [];
+ $rootScope.$digest();
- describe('flush lifecycle', () {
- it(r'should apply expression with full lifecycle', inject((RootScope rootScope) {
- var log = '';
- var child = rootScope.createChild({"parent": rootScope.context});
- rootScope.watch('a', (a, _) { log += '1'; }, readOnly: true);
- child.apply('parent.a = 0');
- expect(log).toEqual('1');
- }));
+ expect(log).toEqual(['[]']);
+ $rootScope.obj.add('a');
+ deregister();
- it(r'should schedule domWrites and domReads', inject((RootScope rootScope) {
- var log = '';
- var child = rootScope.createChild({"parent": rootScope.context});
- rootScope.watch('a', (a, _) { log += '1'; }, readOnly: true);
- child.apply('parent.a = 0');
- expect(log).toEqual('1');
- }));
+ $rootScope.$digest();
+ expect(log).toEqual(['[]']);
+ }));
- it(r'should catch exceptions', () {
- module((Module module) => module.type(ExceptionHandler, implementedBy: LoggingExceptionHandler));
- inject((RootScope rootScope, ExceptionHandler e) {
- LoggingExceptionHandler exceptionHandler = e;
- var log = [];
- var child = rootScope.createChild({});
- rootScope.watch('a', (a, _) => log.add('1'), readOnly: true);
- rootScope.context['a'] = 0;
- child.apply(() { throw 'MyError'; });
- expect(log.join(',')).toEqual('1');
- expect(exceptionHandler.errors[0].error).toEqual('MyError');
- exceptionHandler.errors.removeAt(0);
- exceptionHandler.assertEmpty();
- });
- });
+ describe('array', () {
+ it('should trigger when property changes into array', () {
+ $rootScope.obj = 'test';
+ $rootScope.$digest();
+ expect(log).toEqual(['"test"']);
+ $rootScope.obj = [];
+ $rootScope.$digest();
+ expect(log).toEqual(['"test"', '[]']);
+ });
- describe(r'exceptions', () {
- var log;
- beforeEach(module((Module module) {
- return module.type(ExceptionHandler, implementedBy: LoggingExceptionHandler);
- }));
- beforeEach(inject((RootScope rootScope) {
- rootScope.context['log'] = () { log += 'digest;'; return null; };
- log = '';
- rootScope.watch('log()', (v, o) => null, readOnly: true);
- rootScope.digest();
- log = '';
- }));
+ it('should not trigger change when object in collection changes', () {
+ $rootScope.obj = [{}];
+ $rootScope.$digest();
+ expect(log).toEqual(['[{}]']);
- it(r'should execute and return value and update', inject(
- (RootScope rootScope, ExceptionHandler e) {
- LoggingExceptionHandler exceptionHandler = e;
- rootScope.context['name'] = 'abc';
- expect(rootScope.apply((context) => context['name'])).toEqual('abc');
- expect(log).toEqual('digest;digest;');
- exceptionHandler.assertEmpty();
- }));
+ $rootScope.obj[0]['name'] = 'foo';
+ $rootScope.$digest();
+ expect(log).toEqual(['[{}]']);
+ });
- it(r'should execute and return value and update', inject((RootScope rootScope) {
- rootScope.context['name'] = 'abc';
- expect(rootScope.apply('name', {'name': 123})).toEqual(123);
- }));
- it(r'should catch exception and update', inject((RootScope rootScope, ExceptionHandler e) {
- LoggingExceptionHandler exceptionHandler = e;
- var error = 'MyError';
- rootScope.apply(() { throw error; });
- expect(log).toEqual('digest;digest;');
- expect(exceptionHandler.errors[0].error).toEqual(error);
- }));
+ it('should watch array properties', () {
+ $rootScope.obj = [];
+ $rootScope.$digest();
+ expect(log).toEqual(['[]']);
- it(r'should throw assertion when model changes in flush', inject((RootScope rootScope, Logger log) {
- var retValue = 1;
- rootScope.context['logger'] = (name) { log(name); return retValue; };
+ $rootScope.obj.add('a');
+ $rootScope.$digest();
+ expect(log).toEqual(['[]', '["a"]']);
- rootScope.watch('logger("watch")', (n, v) => null);
- rootScope.watch('logger("flush")', (n, v) => null, readOnly: true);
+ $rootScope.obj[0] = 'b';
+ $rootScope.$digest();
+ expect(log).toEqual(['[]', '["a"]', '["b"]']);
- // clear watches
- rootScope.digest();
- log.clear();
+ $rootScope.obj.add([]);
+ $rootScope.obj.add({});
+ log = [];
+ $rootScope.$digest();
+ expect(log).toEqual(['["b",[],{}]']);
- rootScope.flush();
- expect(log).toEqual(['flush', /*assertion*/ 'watch', 'flush']);
+ var temp = $rootScope.obj[1];
+ $rootScope.obj[1] = $rootScope.obj[2];
+ $rootScope.obj[2] = temp;
+ $rootScope.$digest();
+ expect(log).toEqual([ '["b",[],{}]', '["b",{},[]]' ]);
- retValue = 2;
- expect(rootScope.flush).
- toThrow('Observer reaction functions should not change model. \n'
- 'These watch changes were detected: logger("watch"): 2 <= 1\n'
- 'These observe changes were detected: ');
- }));
- });
+ $rootScope.obj.removeAt(0);
+ log = [];
+ $rootScope.$digest();
+ expect(log).toEqual([ '[{},[]]' ]);
+ });
+ });
- });
+ it('should watch iterable properties', () {
+ $rootScope.obj = _toJsonableIterable([]);
+ $rootScope.$digest();
+ expect(log).toEqual(['[]']);
- describe('ScopeLocals', () {
- it('should read from locals', inject((RootScope scope) {
- scope.context['a'] = 'XXX';
- scope.context['c'] = 'C';
- var scopeLocal = new ScopeLocals(scope.context, {'a': 'A', 'b': 'B'});
- expect(scopeLocal['a']).toEqual('A');
- expect(scopeLocal['b']).toEqual('B');
- expect(scopeLocal['c']).toEqual('C');
- }));
+ $rootScope.obj = _toJsonableIterable(['a']);
+ $rootScope.$digest();
+ expect(log).toEqual(['[]', '["a"]']);
- it('should write to Scope', inject((RootScope scope) {
- scope.context['a'] = 'XXX';
- scope.context['c'] = 'C';
- var scopeLocal = new ScopeLocals(scope.context, {'a': 'A', 'b': 'B'});
+ $rootScope.obj = _toJsonableIterable(['b']);
+ $rootScope.$digest();
+ expect(log).toEqual(['[]', '["a"]', '["b"]']);
- scopeLocal['a'] = 'aW';
- scopeLocal['b'] = 'bW';
- scopeLocal['c'] = 'cW';
+ $rootScope.obj = _toJsonableIterable(['b', [], {}]);
+ log = [];
+ $rootScope.$digest();
+ expect(log).toEqual(['["b",[],{}]']);
+ });
- expect(scope.context['a']).toEqual('aW');
- expect(scope.context['b']).toEqual('bW');
- expect(scope.context['c']).toEqual('cW');
- expect(scopeLocal['a']).toEqual('A');
- expect(scopeLocal['b']).toEqual('B');
- expect(scopeLocal['c']).toEqual('cW');
- }));
- });
+ describe('objects', () {
+ it('should trigger when property changes into object', () {
+ $rootScope.obj = 'test';
+ $rootScope.$digest();
+ expect(log).toEqual(['"test"']);
+ $rootScope.obj = {};
+ $rootScope.$digest();
+ expect(log).toEqual(['"test"', '{}']);
+ });
- describe(r'watch/digest', () {
- it(r'should watch and fire on simple property change', inject((RootScope rootScope) {
- var log;
- rootScope.watch('name', (a, b) {
- log = [a, b];
- });
- rootScope.digest();
- log = null;
+ it('should not trigger change when object in collection changes', () {
+ $rootScope.obj = {'name': {}};
+ $rootScope.$digest();
+ expect(log).toEqual(['{"name":{}}']);
- expect(log).toEqual(null);
- rootScope.digest();
- expect(log).toEqual(null);
- rootScope.context['name'] = 'misko';
- rootScope.digest();
- expect(log).toEqual(['misko', null]);
- }));
+ $rootScope.obj['name']['bar'] = 'foo';
+ $rootScope.$digest();
+ expect(log).toEqual(['{"name":{}}']);
+ });
- it('should watch/observe on objects other then contex', inject((RootScope rootScope) {
- var log = '';
- var map = {'a': 'A', 'b': 'B'};
- rootScope.watch('a', (a, b) => log += a, context: map);
- rootScope.watch('b', (a, b) => log += a, context: map);
- rootScope.apply();
- expect(log).toEqual('AB');
- }));
+ it('should watch object properties', () {
+ $rootScope.obj = {};
+ $rootScope.$digest();
+ expect(log).toEqual(['{}']);
+ $rootScope.obj['a']= 'A';
+ $rootScope.$digest();
+ expect(log).toEqual(['{}', '{"a":"A"}']);
- it(r'should watch and fire on expression change', inject((RootScope rootScope) {
- var log;
+ $rootScope.obj['a'] = 'B';
+ $rootScope.$digest();
+ expect(log).toEqual(['{}', '{"a":"A"}', '{"a":"B"}']);
- rootScope.watch('name.first', (a, b) => log = [a, b]);
- rootScope.digest();
- log = null;
+ $rootScope.obj['b'] = [];
+ $rootScope.obj['c'] = {};
+ log = [];
+ $rootScope.$digest();
+ expect(log).toEqual(['{"a":"B","b":[],"c":{}}']);
- rootScope.context['name'] = {};
- expect(log).toEqual(null);
- rootScope.digest();
- expect(log).toEqual(null);
- rootScope.context['name']['first'] = 'misko';
- rootScope.digest();
- expect(log).toEqual(['misko', null]);
- }));
+ var temp = $rootScope.obj['a'];
+ $rootScope.obj['a'] = $rootScope.obj['b'];
+ $rootScope.obj['c'] = temp;
+ $rootScope.$digest();
+ expect(log).toEqual([ '{"a":"B","b":[],"c":{}}', '{"a":[],"b":[],"c":"B"}' ]);
-
- it(r'should delegate exceptions', () {
- module((Module module) {
- module.type(ExceptionHandler, implementedBy: LoggingExceptionHandler);
+ $rootScope.obj.remove('a');
+ log = [];
+ $rootScope.$digest();
+ expect(log).toEqual([ '{"b":[],"c":"B"}' ]);
+ });
});
- inject((RootScope rootScope, ExceptionHandler e) {
- LoggingExceptionHandler exceptionHandler = e;
- rootScope.watch('a', (n, o) {throw 'abc';});
- rootScope.context['a'] = 1;
- rootScope.digest();
- expect(exceptionHandler.errors.length).toEqual(1);
- expect(exceptionHandler.errors[0].error).toEqual('abc');
- });
});
- it(r'should fire watches in order of addition', inject((RootScope rootScope) {
- // this is not an external guarantee, just our own sanity
- var log = '';
- rootScope.watch('a', (a, b) { log += 'a'; });
- rootScope.watch('b', (a, b) { log += 'b'; });
- rootScope.watch('c', (a, b) { log += 'c'; });
- rootScope.context['a'] = rootScope.context['b'] = rootScope.context['c'] = 1;
- rootScope.digest();
- expect(log).toEqual('abc');
- }));
+ describe('perf', () {
+ describe('counters', () {
+ it('should expose scope count', inject((Profiler perf, Scope scope) {
+ scope.$digest();
+ expect(perf.counters['ng.scopes']).toEqual(1);
- it(r'should call child watchers in addition order', inject((RootScope rootScope) {
- // this is not an external guarantee, just our own sanity
- var log = '';
- var childA = rootScope.createChild({});
- var childB = rootScope.createChild({});
- var childC = rootScope.createChild({});
- childA.watch('a', (a, b) { log += 'a'; });
- childB.watch('b', (a, b) { log += 'b'; });
- childC.watch('c', (a, b) { log += 'c'; });
- childA.context['a'] = childB.context['b'] = childC.context['c'] = 1;
- rootScope.digest();
- expect(log).toEqual('abc');
- }));
+ scope.$new();
+ scope.$new();
+ var lastChild = scope.$new();
+ scope.$digest();
+ expect(perf.counters['ng.scopes']).toEqual(4);
+ // Create a child scope and make sure it's counted as well.
+ lastChild.$new();
+ scope.$digest();
+ expect(perf.counters['ng.scopes']).toEqual(5);
+ }));
- it(r'should run digest multiple times', inject(
- (RootScope rootScope) {
- // tests a traversal edge case which we originally missed
- var log = [];
- var childA = rootScope.createChild({'log': log});
- var childB = rootScope.createChild({'log': log});
- rootScope.context['log'] = log;
+ it('should update scope count when scope destroyed',
+ inject((Profiler perf, Scope scope) {
- rootScope.watch("log.add('r')", (_, __) => null);
- childA.watch("log.add('a')", (_, __) => null);
- childB.watch("log.add('b')", (_, __) => null);
+ var child = scope.$new();
+ scope.$digest();
+ expect(perf.counters['ng.scopes']).toEqual(2);
- // init
- rootScope.digest();
- expect(log.join('')).toEqual('rabrab');
+ child.$destroy();
+ scope.$digest();
+ expect(perf.counters['ng.scopes']).toEqual(1);
}));
- it(r'should repeat watch cycle while model changes are identified', inject((RootScope rootScope) {
- var log = '';
- rootScope.watch('c', (v, b) {rootScope.context['d'] = v; log+='c'; });
- rootScope.watch('b', (v, b) {rootScope.context['c'] = v; log+='b'; });
- rootScope.watch('a', (v, b) {rootScope.context['b'] = v; log+='a'; });
- rootScope.digest();
- log = '';
- rootScope.context['a'] = 1;
- rootScope.digest();
- expect(rootScope.context['b']).toEqual(1);
- expect(rootScope.context['c']).toEqual(1);
- expect(rootScope.context['d']).toEqual(1);
- expect(log).toEqual('abc');
- }));
+ it('should expose watcher count', inject((Profiler perf, Scope scope) {
+ scope.$digest();
+ expect(perf.counters['ng.scope.watchers']).toEqual(0);
+ scope.$watch(() => 0, (_) {});
+ scope.$watch(() => 0, (_) {});
+ scope.$watch(() => 0, (_) {});
+ scope.$digest();
+ expect(perf.counters['ng.scope.watchers']).toEqual(3);
- it(r'should repeat watch cycle from the root element', inject((RootScope rootScope) {
- var log = [];
- rootScope.context['log'] = log;
- var child = rootScope.createChild({'log':log});
- rootScope.watch("log.add('a')", (_, __) => null);
- child.watch("log.add('b')", (_, __) => null);
- rootScope.digest();
- expect(log.join('')).toEqual('abab');
- }));
+ // Create a child scope and make sure it's counted as well.
+ scope.$new().$watch(() => 0, (_) {});
+ scope.$digest();
+ expect(perf.counters['ng.scope.watchers']).toEqual(4);
+ }));
- it(r'should not fire upon watch registration on initial digest', inject((RootScope rootScope) {
- var log = '';
- rootScope.context['a'] = 1;
- rootScope.watch('a', (a, b) { log += 'a'; });
- rootScope.watch('b', (a, b) { log += 'b'; });
- rootScope.digest();
- log = '';
- rootScope.digest();
- expect(log).toEqual('');
- }));
+ it('should update watcher count when watcher removed',
+ inject((Profiler perf, Scope scope) {
+ var unwatch = scope.$new().$watch(() => 0, (_) {});
+ scope.$digest();
+ expect(perf.counters['ng.scope.watchers']).toEqual(1);
- it(r'should prevent digest recursion', inject((RootScope rootScope) {
- var callCount = 0;
- rootScope.watch('name', (a, b) {
- expect(() {
- rootScope.digest();
- }).toThrow(r'digest already in progress');
- callCount++;
+ unwatch();
+ scope.$digest();
+ expect(perf.counters['ng.scope.watchers']).toEqual(0);
+ }));
});
- rootScope.context['name'] = 'a';
- rootScope.digest();
- expect(callCount).toEqual(1);
- }));
+ });
- it(r'should return a function that allows listeners to be unregistered', inject(
- (RootScope rootScope) {
- var listener = jasmine.createSpy('watch listener');
- var watch;
+ describe('optimizations', () {
+ var scope;
+ var log;
+ beforeEach(inject((Scope _scope, Logger _log) {
+ scope = _scope;
+ log = _log;
+ scope['a'] = 1;
+ scope['b'] = 2;
+ scope['c'] = 3;
+ scope.$watch(() {log('a'); return scope['a'];}, (value) => log('fire:a'));
+ scope.$watch(() {log('b'); return scope['b'];}, (value) => log('fire:b'));
+ scope.$watch(() {log('c'); return scope['c'];}, (value) {log('fire:c'); scope['b']++; });
+ scope.$digest();
+ log.clear();
+ }));
- watch = rootScope.watch('foo', listener);
- rootScope.digest(); //init
- expect(listener).toHaveBeenCalled();
- expect(watch).toBeDefined();
+ it('should loop once on no dirty', () {
+ scope.$digest();
+ expect(log.result()).toEqual('a; b; c');
+ });
- listener.reset();
- rootScope.context['foo'] = 'bar';
- rootScope.digest(); //triger
- expect(listener).toHaveBeenCalledOnce();
+ it('should exit early on second loop', () {
+ scope['b']++;
+ scope.$digest();
+ expect(log.result()).toEqual('a; b; fire:b; c; a');
+ });
- listener.reset();
- rootScope.context['foo'] = 'baz';
- watch.remove();
- rootScope.digest(); //trigger
- expect(listener).not.toHaveBeenCalled();
- }));
+ it('should continue checking if second loop dirty', () {
+ scope['c']++;
+ scope.$digest();
+ expect(log.result()).toEqual('a; b; c; fire:c; a; b; fire:b; c; a');
+ });
+ });
+ describe('ScopeLocals', () {
+ var scope;
- it(r'should not infinitely digest when current value is NaN', inject((RootScope rootScope) {
- rootScope.context['nan'] = double.NAN;
- rootScope.watch('nan', (_, __) => null);
+ beforeEach(inject((Scope _scope) => scope = _scope));
- expect(() {
- rootScope.digest();
- }).not.toThrow();
- }));
+ it('should read from locals', () {
+ scope['a'] = 'XXX';
+ scope['c'] = 'C';
+ var scopeLocal = new ScopeLocals(scope, {'a': 'A', 'b': 'B'});
+ expect(scopeLocal['a']).toEqual('A');
+ expect(scopeLocal['b']).toEqual('B');
+ expect(scopeLocal['c']).toEqual('C');
+ });
+ it('should write to Scope', () {
+ scope['a'] = 'XXX';
+ scope['c'] = 'C';
+ var scopeLocal = new ScopeLocals(scope, {'a': 'A', 'b': 'B'});
- it(r'should prevent infinite digest and should log firing expressions', inject((RootScope rootScope) {
- rootScope.context['a'] = 0;
- rootScope.context['b'] = 0;
- rootScope.watch('a', (a, __) => rootScope.context['a'] = a + 1);
- rootScope.watch('b', (b, __) => rootScope.context['b'] = b + 1);
+ scopeLocal['a'] = 'aW';
+ scopeLocal['b'] = 'bW';
+ scopeLocal['c'] = 'cW';
- expect(() {
- rootScope.digest();
- }).toThrow('Model did not stabilize in 5 digests. '
- 'Last 3 iterations:\n'
- 'a: 2 <= 1, b: 2 <= 1\n'
- 'a: 3 <= 2, b: 3 <= 2\n'
- 'a: 4 <= 3, b: 4 <= 3');
- }));
+ expect(scope['a']).toEqual('aW');
+ expect(scope['b']).toEqual('bW');
+ expect(scope['c']).toEqual('cW');
+ expect(scopeLocal['a']).toEqual('A');
+ expect(scopeLocal['b']).toEqual('B');
+ expect(scopeLocal['c']).toEqual('cW');
+ });
+ });
+ });
+}
- it(r'should always call the watchr with newVal and oldVal equal on the first run',
- inject((RootScope rootScope) {
- var log = [];
- var logger = (newVal, oldVal) {
- var val = (newVal == oldVal || (newVal != oldVal && oldVal != newVal)) ? newVal : 'xxx';
- log.add(val);
- };
+_toJsonableIterable(Iterable source) => new _JsonableIterableWrapper(source);
- rootScope.context['nanValue'] = double.NAN;
- rootScope.context['nullValue'] = null;
- rootScope.context['emptyString'] = '';
- rootScope.context['falseValue'] = false;
- rootScope.context['numberValue'] = 23;
+class _JsonableIterableWrapper<T> implements Iterable<T> {
+ final Iterable<T> source;
- rootScope.watch('nanValue', logger);
- rootScope.watch('nullValue', logger);
- rootScope.watch('emptyString', logger);
- rootScope.watch('falseValue', logger);
- rootScope.watch('numberValue', logger);
+ _JsonableIterableWrapper(this.source);
- rootScope.digest();
- expect(log.removeAt(0).isNaN).toEqual(true); //jasmine's toBe and toEqual don't work well with NaNs
- expect(log).toEqual([null, '', false, 23]);
- log = [];
- rootScope.digest();
- expect(log).toEqual([]);
- }));
+ bool any(bool test(T element)) => source.any(test);
+ bool contains(Object element) => source.contains(element);
- it('should properly watch canstants', inject((RootScope rootScope, Logger log) {
- rootScope.watch('[1, 2]', (v, o) => log([v, o]));
- expect(log).toEqual([]);
- rootScope.apply();
- expect(log).toEqual([[[1, 2], null]]);
- }));
+ T elementAt(int index) => source.elementAt(index);
+ bool every(bool test(T element)) => source.every(test);
- it('should properly watch array of fields', inject((RootScope rootScope, Logger log) {
- rootScope.context['foo'] = 12;
- rootScope.context['bar'] = 34;
- rootScope.watch('[foo, bar]', (v, o) => log([v, o]));
- expect(log).toEqual([]);
- rootScope.apply();
- expect(log).toEqual([[[12, 34], null]]);
- log.clear();
+ Iterable expand(Iterable f(T element)) => source.expand(f);
- rootScope.context['foo'] = 56;
- rootScope.context['bar'] = 78;
- rootScope.apply();
- expect(log).toEqual([[[56, 78], [12, 34]]]);
- }));
+ T get first => source.first;
+ T firstWhere(bool test(T element), {T orElse()}) =>
+ source.firstWhere(test, orElse: orElse);
- it('should properly watch array of fields2', inject((RootScope rootScope, Logger log) {
- rootScope.watch('[ctrl.foo, ctrl.bar]', (v, o) => log([v, o]));
- expect(log).toEqual([]);
- rootScope.apply();
- expect(log).toEqual([[[null, null], null]]);
- log.clear();
+ fold(initialValue, combine(previousValue, T element)) =>
+ source.fold(initialValue, combine);
- rootScope.context['ctrl'] = {'foo': 56, 'bar': 78};
- rootScope.apply();
- expect(log).toEqual([[[56, 78], [null, null]]]);
- }));
- });
+ void forEach(void f(T element)) => source.forEach(f);
+ bool get isEmpty => source.isEmpty;
- describe('special binding modes', () {
- it('should bind one time', inject((RootScope rootScope, Logger log) {
- rootScope.watch('foo', (v, _) => log('foo:$v'));
- rootScope.watch(':foo', (v, _) => log(':foo:$v'));
- rootScope.watch('::foo', (v, _) => log('::foo:$v'));
+ bool get isNotEmpty => source.isNotEmpty;
- rootScope.apply();
- expect(log).toEqual(['foo:null']);
- log.clear();
+ Iterator<T> get iterator => source.iterator;
- rootScope.context['foo'] = true;
- rootScope.apply();
- expect(log).toEqual(['foo:true', ':foo:true', '::foo:true']);
- log.clear();
+ String join([String separator = ""]) => source.join(separator);
- rootScope.context['foo'] = 123;
- rootScope.apply();
- expect(log).toEqual(['foo:123', ':foo:123']);
- log.clear();
+ T get last => source.last;
- rootScope.context['foo'] = null;
- rootScope.apply();
- expect(log).toEqual(['foo:null']);
- log.clear();
- }));
- });
+ T lastWhere(bool test(T element), {T orElse()}) =>
+ source.lastWhere(test, orElse: orElse);
+ int get length => source.length;
- describe('runAsync', () {
- it(r'should run callback before watch', inject((RootScope rootScope) {
- var log = '';
- rootScope.runAsync(() { log += 'parent.async;'; });
- rootScope.watch('value', (_, __) { log += 'parent.digest;'; });
- rootScope.digest();
- expect(log).toEqual('parent.async;parent.digest;');
- }));
+ Iterable map(f(T element)) => source.map(f);
- it(r'should cause a digest rerun', inject((RootScope rootScope) {
- rootScope.context['log'] = '';
- rootScope.context['value'] = 0;
- // NOTE(deboer): watch listener string functions not yet supported
- //rootScope.watch('value', 'log = log + ".";');
- rootScope.watch('value', (_, __) { rootScope.context['log'] += "."; });
- rootScope.watch('init', (_, __) {
- rootScope.runAsync(() => rootScope.eval('value = 123; log = log + "=" '));
- expect(rootScope.context['value']).toEqual(0);
- });
- rootScope.digest();
- expect(rootScope.context['log']).toEqual('.=.');
- }));
+ T reduce(T combine(T value, T element)) => source.reduce(combine);
- it(r'should run async in the same order as added', inject((RootScope rootScope) {
- rootScope.context['log'] = '';
- rootScope.runAsync(() => rootScope.eval("log = log + 1"));
- rootScope.runAsync(() => rootScope.eval("log = log + 2"));
- rootScope.digest();
- expect(rootScope.context['log']).toEqual('12');
- }));
- });
+ T get single => source.single;
+ T singleWhere(bool test(T element)) => source.singleWhere(test);
- describe('domRead/domWrite', () {
- it(r'should run writes before reads', () {
- module((Module module) {
- module.type(ExceptionHandler, implementedBy: LoggingExceptionHandler);
- });
- inject((RootScope rootScope, Logger logger, ExceptionHandler e) {
- LoggingExceptionHandler exceptionHandler = e as LoggingExceptionHandler;
- rootScope.domWrite(() {
- logger('write1');
- rootScope.domWrite(() => logger('write2'));
- throw 'write1';
- });
- rootScope.domRead(() {
- logger('read1');
- rootScope.domRead(() => logger('read2'));
- rootScope.domWrite(() => logger('write3'));
- throw 'read1';
- });
- rootScope.watch('value', (_, __) => logger('observe'), readOnly: true);
- rootScope.flush();
- expect(logger).toEqual(['write1', 'write2', 'observe', 'read1', 'read2', 'write3']);
- expect(exceptionHandler.errors.length).toEqual(2);
- expect(exceptionHandler.errors[0].error).toEqual('write1');
- expect(exceptionHandler.errors[1].error).toEqual('read1');
- });
- });
- });
+ Iterable<T> skip(int n) => source.skip(n);
- describe('exceptionHander', () {
- it('should call ExceptionHandler on zone errors', () {
- module((Module module) {
- module.type(ExceptionHandler, implementedBy: LoggingExceptionHandler);
- });
- async((inject((RootScope rootScope, NgZone zone, ExceptionHandler e) {
- zone.run(() {
- scheduleMicrotask(() => throw 'my error');
- });
- var errors = (e as LoggingExceptionHandler).errors;
- expect(errors.length).toEqual(1);
- expect(errors.first.error).toEqual('my error');
- })));
- });
+ Iterable<T> skipWhile(bool test(T value)) => source.skipWhile(test);
- it('should call ExceptionHandler on digest errors', () {
- module((Module module) {
- module.type(ExceptionHandler, implementedBy: LoggingExceptionHandler);
- });
- async((inject((RootScope rootScope, NgZone zone, ExceptionHandler e) {
- rootScope.context['badOne'] = () => new Map();
- rootScope.watch('badOne()', (_, __) => null);
+ Iterable<T> take(int n) => source.take(n);
- try {
- zone.run(() => null);
- } catch(_) {}
+ Iterable<T> takeWhile(bool test(T value)) => source.takeWhile(test);
- var errors = (e as LoggingExceptionHandler).errors;
- expect(errors.length).toEqual(1);
- expect(errors.first.error, startsWith('Model did not stabilize'));
- })));
- });
- });
-});
+ List<T> toList({bool growable: true}) => source.toList(growable: growable);
-@NgFilter(name: 'multiply')
-class _MultiplyFilter {
- call(a, b) => a * b;
-}
+ Set<T> toSet() => source.toSet();
-@NgFilter(name: 'listHead')
-class _ListHeadFilter {
- Logger logger;
- _ListHeadFilter(Logger this.logger);
- call(list, head) {
- logger('listHead');
- return [head]..addAll(list);
- }
-}
+ Iterable<T> where(bool test(T element)) => source.where(test);
-
-@NgFilter(name: 'listTail')
-class _ListTailFilter {
- Logger logger;
- _ListTailFilter(Logger this.logger);
- call(list, tail) {
- logger('listTail');
- return new List.from(list)..add(tail);
- }
+ toJson() => source.toList();
}
-
-@NgFilter(name: 'sort')
-class _SortFilter {
- Logger logger;
- _SortFilter(Logger this.logger);
- call(list) {
- logger('sort');
- return new List.from(list)..sort();
- }
-}
-
-@NgFilter(name:'newFilter')
-class FilterOne {
- call(String str) {
- return '$str 1';
- }
-}
-
-@NgFilter(name:'newFilter')
-class FilterTwo {
- call(String str) {
- return '$str 2';
- }
-}
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