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Unified Diff: packages/template_binding/test/template_binding_test.dart

Issue 1400473008: Roll Observatory packages and add a roll script (Closed) Base URL: git@github.com:dart-lang/observatory_pub_packages.git@master
Patch Set: Created 5 years, 2 months ago
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Index: packages/template_binding/test/template_binding_test.dart
diff --git a/packages/template_binding/test/template_binding_test.dart b/packages/template_binding/test/template_binding_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..4eae607809e1a6bced8ec3ccfad66ae1d485370d
--- /dev/null
+++ b/packages/template_binding/test/template_binding_test.dart
@@ -0,0 +1,2736 @@
+// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library template_binding.test.template_binding_test;
+
+import 'dart:async';
+import 'dart:html';
+import 'dart:js' show JsObject;
+import 'dart:math' as math;
+import 'package:observe/observe.dart';
+import 'package:template_binding/template_binding.dart';
+import 'package:unittest/html_config.dart';
+import 'package:unittest/unittest.dart';
+import 'package:observe/mirrors_used.dart'; // make test smaller
+import 'package:smoke/mirrors.dart' as smoke;
+
+// TODO(jmesserly): merge this file?
+import 'binding_syntax.dart' show syntaxTests;
+import 'utils.dart';
+
+// Note: this file ported from TemplateBinding's tests/tests.js
+
+// TODO(jmesserly): submit a small cleanup patch to original. I fixed some
+// cases where "div" and "t" were unintentionally using the JS global scope;
+// look for "assertNodesAre".
+
+main() => dirtyCheckZone().run(() {
+ smoke.useMirrors();
+ useHtmlConfiguration();
+
+ setUp(() {
+ document.body.append(testDiv = new DivElement());
+ });
+
+ tearDown(() {
+ testDiv.remove();
+ clearAllTemplates(testDiv);
+ testDiv = null;
+ });
+
+ test('MutationObserver is supported', () {
+ expect(MutationObserver.supported, true, reason: 'polyfill was loaded.');
+ });
+
+ group('Template', templateInstantiationTests);
+
+ group('Binding Delegate API', () {
+ group('with Observable', () {
+ syntaxTests(([f, b]) => new FooBarModel(f, b));
+ });
+
+ group('with ChangeNotifier', () {
+ syntaxTests(([f, b]) => new FooBarNotifyModel(f, b));
+ });
+ });
+
+ group('Compat', compatTests);
+});
+
+var expando = new Expando('test');
+void addExpandos(node) {
+ while (node != null) {
+ expando[node] = node.text;
+ node = node.nextNode;
+ }
+}
+
+void checkExpandos(node) {
+ expect(node, isNotNull);
+ while (node != null) {
+ expect(expando[node], node.text);
+ node = node.nextNode;
+ }
+}
+
+templateInstantiationTests() {
+ // Dart note: renamed some of these tests to have unique names
+
+ test('accessing bindingDelegate getter without Bind', () {
+ var div = createTestHtml('<template>');
+ var template = div.firstChild;
+ expect(templateBind(template).bindingDelegate, null);
+ });
+
+ test('Bind - simple', () {
+ var div = createTestHtml('<template bind={{}}>text</template>');
+ templateBind(div.firstChild).model = {};
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.nodes.last.text, 'text');
+
+ // Dart note: null is used instead of undefined to clear the template.
+ templateBind(div.firstChild).model = null;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+ templateBind(div.firstChild).model = 123;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.nodes.last.text, 'text');
+ });
+ });
+
+ test('oneTime-Bind', () {
+ var div = createTestHtml('<template bind="[[ bound ]]">text</template>');
+ var model = toObservable({'bound': 1});
+ templateBind(div.firstChild).model = model;
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.nodes.last.text, 'text');
+
+ model['bound'] = false;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.nodes.last.text, 'text');
+ });
+ });
+
+ test('Bind - no parent', () {
+ var div = createTestHtml('<template bind>text</template>');
+ var template = div.firstChild;
+ template.remove();
+
+ templateBind(template).model = {};
+ return new Future(() {
+ expect(template.nodes.length, 0);
+ expect(template.nextNode, null);
+ });
+ });
+
+ test('Bind - no defaultView', () {
+ var div = createTestHtml('<template bind>text</template>');
+ var template = div.firstChild;
+ var doc = document.implementation.createHtmlDocument('');
+ doc.adoptNode(div);
+ templateBind(template).model = {};
+ return new Future(() => expect(div.nodes.length, 2));
+ });
+
+ test('Empty Bind', () {
+ var div = createTestHtml('<template bind>text</template>');
+ var template = div.firstChild;
+ templateBind(template).model = {};
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.nodes.last.text, 'text');
+ });
+ });
+
+ test('Bind If', () {
+ var div = createTestHtml(
+ '<template bind="{{ bound }}" if="{{ predicate }}">'
+ 'value:{{ value }}'
+ '</template>');
+ // Dart note: predicate changed from 0->null because 0 isn't falsey in Dart.
+ // See https://code.google.com/p/dart/issues/detail?id=11956
+ // Changed bound from null->1 since null is equivalent to JS undefined,
+ // and would cause the template to not be expanded.
+ var m = toObservable({ 'predicate': null, 'bound': 1 });
+ var template = div.firstChild;
+ bool errorSeen = false;
+ runZoned(() {
+ templateBind(template).model = m;
+ }, onError: (e, s) {
+ _expectNoSuchMethod(e);
+ errorSeen = true;
+ });
+ return new Future(() {
+ expect(div.nodes.length, 1);
+
+ m['predicate'] = 1;
+
+ expect(errorSeen, isFalse);
+ }).then(nextMicrotask).then((_) {
+ expect(errorSeen, isTrue);
+ expect(div.nodes.length, 1);
+
+ m['bound'] = toObservable({ 'value': 2 });
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'value:2');
+
+ m['bound']['value'] = 3;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'value:3');
+
+ templateBind(template).model = null;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+ });
+ });
+
+ test('Bind oneTime-If - predicate false', () {
+ var div = createTestHtml(
+ '<template bind="{{ bound }}" if="[[ predicate ]]">'
+ 'value:{{ value }}'
+ '</template>');
+ // Dart note: predicate changed from 0->null because 0 isn't falsey in Dart.
+ // See https://code.google.com/p/dart/issues/detail?id=11956
+ // Changed bound from null->1 since null is equivalent to JS undefined,
+ // and would cause the template to not be expanded.
+ var m = toObservable({ 'predicate': null, 'bound': 1 });
+ var template = div.firstChild;
+ templateBind(template).model = m;
+
+ return new Future(() {
+ expect(div.nodes.length, 1);
+
+ m['predicate'] = 1;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+
+ m['bound'] = toObservable({ 'value': 2 });
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+
+ m['bound']['value'] = 3;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+
+ templateBind(template).model = null;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+ });
+ });
+
+ test('Bind oneTime-If - predicate true', () {
+ var div = createTestHtml(
+ '<template bind="{{ bound }}" if="[[ predicate ]]">'
+ 'value:{{ value }}'
+ '</template>');
+
+ // Dart note: changed bound from null->1 since null is equivalent to JS
+ // undefined, and would cause the template to not be expanded.
+ var m = toObservable({ 'predicate': 1, 'bound': 1 });
+ var template = div.firstChild;
+ bool errorSeen = false;
+ runZoned(() {
+ templateBind(template).model = m;
+ }, onError: (e, s) {
+ _expectNoSuchMethod(e);
+ errorSeen = true;
+ });
+
+ return new Future(() {
+ expect(div.nodes.length, 1);
+ m['bound'] = toObservable({ 'value': 2 });
+ expect(errorSeen, isTrue);
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'value:2');
+
+ m['bound']['value'] = 3;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'value:3');
+
+ m['predicate'] = null; // will have no effect
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'value:3');
+
+ templateBind(template).model = null;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+ });
+ });
+
+ test('oneTime-Bind If', () {
+ var div = createTestHtml(
+ '<template bind="[[ bound ]]" if="{{ predicate }}">'
+ 'value:{{ value }}'
+ '</template>');
+
+ var m = toObservable({'predicate': null, 'bound': {'value': 2}});
+ var template = div.firstChild;
+ templateBind(template).model = m;
+
+ return new Future(() {
+ expect(div.nodes.length, 1);
+
+ m['predicate'] = 1;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'value:2');
+
+ m['bound']['value'] = 3;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'value:3');
+
+ m['bound'] = toObservable({'value': 4 });
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'value:3');
+
+ templateBind(template).model = null;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+ });
+ });
+
+ test('oneTime-Bind oneTime-If', () {
+ var div = createTestHtml(
+ '<template bind="[[ bound ]]" if="[[ predicate ]]">'
+ 'value:{{ value }}'
+ '</template>');
+
+ var m = toObservable({'predicate': 1, 'bound': {'value': 2}});
+ var template = div.firstChild;
+ templateBind(template).model = m;
+
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'value:2');
+
+ m['bound']['value'] = 3;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'value:3');
+
+ m['bound'] = toObservable({'value': 4 });
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'value:3');
+
+ m['predicate'] = false;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'value:3');
+
+ templateBind(template).model = null;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+ });
+ });
+
+ test('Bind If, 2', () {
+ var div = createTestHtml(
+ '<template bind="{{ foo }}" if="{{ bar }}">{{ bat }}</template>');
+ var template = div.firstChild;
+ var m = toObservable({ 'bar': null, 'foo': { 'bat': 'baz' } });
+ templateBind(template).model = m;
+ return new Future(() {
+ expect(div.nodes.length, 1);
+
+ m['bar'] = 1;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'baz');
+ });
+ });
+
+ test('If', () {
+ var div = createTestHtml('<template if="{{ foo }}">{{ value }}</template>');
+ // Dart note: foo changed from 0->null because 0 isn't falsey in Dart.
+ // See https://code.google.com/p/dart/issues/detail?id=11956
+ var m = toObservable({ 'foo': null, 'value': 'foo' });
+ var template = div.firstChild;
+ templateBind(template).model = m;
+ return new Future(() {
+ expect(div.nodes.length, 1);
+
+ m['foo'] = 1;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'foo');
+
+ templateBind(template).model = null;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+ });
+ });
+
+ test('Bind If minimal discardChanges', () {
+ var div = createTestHtml(
+ '<template bind="{{bound}}" if="{{predicate}}">value:{{ value }}'
+ '</template>');
+ // Dart Note: bound changed from null->{}.
+ var m = toObservable({ 'bound': {}, 'predicate': null });
+ var template = div.firstChild;
+
+ var discardChangesCalled = { 'bound': 0, 'predicate': 0 };
+ templateBind(template)
+ ..model = m
+ ..bindingDelegate =
+ new BindIfMinimalDiscardChanges(discardChangesCalled);
+
+ return new Future(() {
+ expect(discardChangesCalled['bound'], 0);
+ expect(discardChangesCalled['predicate'], 0);
+ expect(div.childNodes.length, 1);
+ m['predicate'] = 1;
+ }).then(endOfMicrotask).then((_) {
+ expect(discardChangesCalled['bound'], 1);
+ expect(discardChangesCalled['predicate'], 0);
+
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'value:');
+
+ m['bound'] = toObservable({'value': 2});
+ }).then(endOfMicrotask).then((_) {
+ expect(discardChangesCalled['bound'], 1);
+ expect(discardChangesCalled['predicate'], 1);
+
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'value:2');
+
+ m['bound']['value'] = 3;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(discardChangesCalled['bound'], 1);
+ expect(discardChangesCalled['predicate'], 1);
+
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'value:3');
+
+ templateBind(template).model = null;
+ }).then(endOfMicrotask).then((_) {
+ expect(discardChangesCalled['bound'], 1);
+ expect(discardChangesCalled['predicate'], 1);
+
+ expect(div.nodes.length, 1);
+ });
+ });
+
+
+ test('Empty-If', () {
+ var div = createTestHtml('<template if>{{ value }}</template>');
+ var template = div.firstChild;
+ var m = toObservable({ 'value': 'foo' });
+ templateBind(template).model = null;
+ return new Future(() {
+ expect(div.nodes.length, 1);
+
+ templateBind(template).model = m;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'foo');
+ });
+ });
+
+ test('OneTime - simple text', () {
+ var div = createTestHtml('<template bind>[[ value ]]</template>');
+ var template = div.firstChild;
+ var m = toObservable({ 'value': 'foo' });
+ templateBind(template).model = m;
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'foo');
+
+ m['value'] = 'bar';
+
+ }).then(endOfMicrotask).then((_) {
+ // unchanged.
+ expect(div.lastChild.text, 'foo');
+ });
+ });
+
+ test('OneTime - compound text', () {
+ var div = createTestHtml(
+ '<template bind>[[ foo ]] bar [[ baz ]]</template>');
+ var template = div.firstChild;
+ var m = toObservable({ 'foo': 'FOO', 'baz': 'BAZ' });
+ templateBind(template).model = m;
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'FOO bar BAZ');
+
+ m['foo'] = 'FI';
+ m['baz'] = 'BA';
+
+ }).then(endOfMicrotask).then((_) {
+ // unchanged.
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'FOO bar BAZ');
+ });
+ });
+
+ test('OneTime/Dynamic Mixed - compound text', () {
+ var div = createTestHtml(
+ '<template bind>[[ foo ]] bar {{ baz }}</template>');
+ var template = div.firstChild;
+ var m = toObservable({ 'foo': 'FOO', 'baz': 'BAZ' });
+ templateBind(template).model = m;
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'FOO bar BAZ');
+
+ m['foo'] = 'FI';
+ m['baz'] = 'BA';
+
+ }).then(endOfMicrotask).then((_) {
+ // unchanged [[ foo ]].
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.text, 'FOO bar BA');
+ });
+ });
+
+ test('OneTime - simple attribute', () {
+ var div = createTestHtml(
+ '<template bind><div foo="[[ value ]]"></div></template>');
+ var template = div.firstChild;
+ var m = toObservable({ 'value': 'foo' });
+ templateBind(template).model = m;
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.attributes['foo'], 'foo');
+
+ m['value'] = 'bar';
+
+ }).then(endOfMicrotask).then((_) {
+ // unchanged.
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.attributes['foo'], 'foo');
+ });
+ });
+
+ test('OneTime - compound attribute', () {
+ var div = createTestHtml(
+ '<template bind>'
+ '<div foo="[[ value ]]:[[ otherValue ]]"></div>'
+ '</template>');
+ var template = div.firstChild;
+ var m = toObservable({ 'value': 'foo', 'otherValue': 'bar' });
+ templateBind(template).model = m;
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.attributes['foo'], 'foo:bar');
+
+ m['value'] = 'baz';
+ m['otherValue'] = 'bot';
+
+ }).then(endOfMicrotask).then((_) {
+ // unchanged.
+ expect(div.lastChild.attributes['foo'], 'foo:bar');
+ });
+ });
+
+ test('OneTime/Dynamic mixed - compound attribute', () {
+ var div = createTestHtml(
+ '<template bind>'
+ '<div foo="{{ value }}:[[ otherValue ]]"></div>'
+ '</template>');
+ var template = div.firstChild;
+ var m = toObservable({ 'value': 'foo', 'otherValue': 'bar' });
+ templateBind(template).model = m;
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.lastChild.attributes['foo'], 'foo:bar');
+
+ m['value'] = 'baz';
+ m['otherValue'] = 'bot';
+
+ }).then(endOfMicrotask).then((_) {
+ // unchanged [[ otherValue ]].
+ expect(div.lastChild.attributes['foo'], 'baz:bar');
+ });
+ });
+
+ test('Repeat If', () {
+ var div = createTestHtml(
+ '<template repeat="{{ items }}" if="{{ predicate }}">{{}}</template>');
+ // Dart note: predicate changed from 0->null because 0 isn't falsey in Dart.
+ // See https://code.google.com/p/dart/issues/detail?id=11956
+ var m = toObservable({ 'predicate': null, 'items': [1] });
+ var template = div.firstChild;
+ templateBind(template).model = m;
+ return new Future(() {
+ expect(div.nodes.length, 1);
+
+ m['predicate'] = 1;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.nodes[1].text, '1');
+
+ m['items']..add(2)..add(3);
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 4);
+ expect(div.nodes[1].text, '1');
+ expect(div.nodes[2].text, '2');
+ expect(div.nodes[3].text, '3');
+
+ m['items'] = [4];
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.nodes[1].text, '4');
+
+ templateBind(template).model = null;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+ });
+ });
+
+ test('Repeat oneTime-If (predicate false)', () {
+ var div = createTestHtml(
+ '<template repeat="{{ items }}" if="[[ predicate ]]">{{}}</template>');
+ // Dart note: predicate changed from 0->null because 0 isn't falsey in Dart.
+ // See https://code.google.com/p/dart/issues/detail?id=11956
+ var m = toObservable({ 'predicate': null, 'items': [1] });
+ var template = div.firstChild;
+ templateBind(template).model = m;
+ return new Future(() {
+ expect(div.nodes.length, 1);
+
+ m['predicate'] = 1;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1, reason: 'unchanged');
+
+ m['items']..add(2)..add(3);
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1, reason: 'unchanged');
+
+ m['items'] = [4];
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1, reason: 'unchanged');
+
+ templateBind(template).model = null;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+ });
+ });
+
+ test('Repeat oneTime-If (predicate true)', () {
+ var div = createTestHtml(
+ '<template repeat="{{ items }}" if="[[ predicate ]]">{{}}</template>');
+
+ var m = toObservable({ 'predicate': true, 'items': [1] });
+ var template = div.firstChild;
+ templateBind(template).model = m;
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.nodes[1].text, '1');
+
+ m['items']..add(2)..add(3);
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 4);
+ expect(div.nodes[1].text, '1');
+ expect(div.nodes[2].text, '2');
+ expect(div.nodes[3].text, '3');
+
+ m['items'] = [4];
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.nodes[1].text, '4');
+
+ m['predicate'] = false;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2, reason: 'unchanged');
+ expect(div.nodes[1].text, '4', reason: 'unchanged');
+
+ templateBind(template).model = null;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+ });
+ });
+
+ test('oneTime-Repeat If', () {
+ var div = createTestHtml(
+ '<template repeat="[[ items ]]" if="{{ predicate }}">{{}}</template>');
+
+ var m = toObservable({ 'predicate': false, 'items': [1] });
+ var template = div.firstChild;
+ templateBind(template).model = m;
+ return new Future(() {
+ expect(div.nodes.length, 1);
+
+ m['predicate'] = true;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.nodes[1].text, '1');
+
+ m['items']..add(2)..add(3);
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.nodes[1].text, '1');
+
+ m['items'] = [4];
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.nodes[1].text, '1');
+
+ templateBind(template).model = null;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+ });
+ });
+
+ test('oneTime-Repeat oneTime-If', () {
+ var div = createTestHtml(
+ '<template repeat="[[ items ]]" if="[[ predicate ]]">{{}}</template>');
+
+ var m = toObservable({ 'predicate': true, 'items': [1] });
+ var template = div.firstChild;
+ templateBind(template).model = m;
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.nodes[1].text, '1');
+
+ m['items']..add(2)..add(3);
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.nodes[1].text, '1');
+
+ m['items'] = [4];
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.nodes[1].text, '1');
+
+ m['predicate'] = false;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.nodes[1].text, '1');
+
+ templateBind(template).model = null;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+ });
+ });
+
+ test('TextTemplateWithNullStringBinding', () {
+ var div = createTestHtml('<template bind={{}}>a{{b}}c</template>');
+ var template = div.firstChild;
+ var model = toObservable({'b': 'B'});
+ templateBind(template).model = model;
+
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.nodes.last.text, 'aBc');
+
+ model['b'] = 'b';
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.last.text, 'abc');
+
+ model['b'] = null;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.last.text, 'ac');
+
+ model = null;
+ }).then(endOfMicrotask).then((_) {
+ // setting model isn't bindable.
+ expect(div.nodes.last.text, 'ac');
+ });
+ });
+
+ test('TextTemplateWithBindingPath', () {
+ var div = createTestHtml(
+ '<template bind="{{ data }}">a{{b}}c</template>');
+ var model = toObservable({ 'data': {'b': 'B'} });
+ var template = div.firstChild;
+ templateBind(template).model = model;
+
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.nodes.last.text, 'aBc');
+
+ model['data']['b'] = 'b';
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.last.text, 'abc');
+
+ model['data'] = toObservable({'b': 'X'});
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.last.text, 'aXc');
+
+ // Dart note: changed from `null` since our null means don't render a model.
+ model['data'] = toObservable({});
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.last.text, 'ac');
+
+ model['data'] = null;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+ });
+ });
+
+ test('TextTemplateWithBindingAndConditional', () {
+ var div = createTestHtml(
+ '<template bind="{{}}" if="{{ d }}">a{{b}}c</template>');
+ var template = div.firstChild;
+ var model = toObservable({'b': 'B', 'd': 1});
+ templateBind(template).model = model;
+
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.nodes.last.text, 'aBc');
+
+ model['b'] = 'b';
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.last.text, 'abc');
+
+ // TODO(jmesserly): MDV set this to empty string and relies on JS conversion
+ // rules. Is that intended?
+ // See https://github.com/Polymer/TemplateBinding/issues/59
+ model['d'] = null;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+
+ model['d'] = 'here';
+ model['b'] = 'd';
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.nodes.last.text, 'adc');
+ });
+ });
+
+ test('TemplateWithTextBinding2', () {
+ var div = createTestHtml(
+ '<template bind="{{ b }}">a{{value}}c</template>');
+ expect(div.nodes.length, 1);
+ var template = div.firstChild;
+ var model = toObservable({'b': {'value': 'B'}});
+ templateBind(template).model = model;
+
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.nodes.last.text, 'aBc');
+
+ model['b'] = toObservable({'value': 'b'});
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.last.text, 'abc');
+ });
+ });
+
+ test('TemplateWithAttributeBinding', () {
+ var div = createTestHtml(
+ '<template bind="{{}}">'
+ '<div foo="a{{b}}c"></div>'
+ '</template>');
+ var template = div.firstChild;
+ var model = toObservable({'b': 'B'});
+ templateBind(template).model = model;
+
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.nodes.last.attributes['foo'], 'aBc');
+
+ model['b'] = 'b';
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.last.attributes['foo'], 'abc');
+
+ model['b'] = 'X';
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.last.attributes['foo'], 'aXc');
+ });
+ });
+
+ test('TemplateWithConditionalBinding', () {
+ var div = createTestHtml(
+ '<template bind="{{}}">'
+ '<div foo?="{{b}}"></div>'
+ '</template>');
+ var template = div.firstChild;
+ var model = toObservable({'b': 'b'});
+ templateBind(template).model = model;
+
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.nodes.last.attributes['foo'], '');
+ expect(div.nodes.last.attributes, isNot(contains('foo?')));
+
+ model['b'] = null;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.last.attributes, isNot(contains('foo')));
+ });
+ });
+
+ test('Repeat', () {
+ var div = createTestHtml(
+ '<template repeat="{{ array }}">{{}},</template>');
+
+ var model = toObservable({'array': [0, 1, 2]});
+ var template = templateBind(div.firstChild);
+ template.model = model;
+
+ return new Future(() {
+ expect(div.nodes.length, 4);
+ expect(div.text, '0,1,2,');
+
+ model['array'].length = 1;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+ expect(div.text, '0,');
+
+ model['array'].addAll([3, 4]);
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 4);
+ expect(div.text, '0,3,4,');
+
+ model['array'].removeRange(1, 2);
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 3);
+ expect(div.text, '0,4,');
+
+ model['array'].addAll([5, 6]);
+ model['array'] = toObservable(['x', 'y']);
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 3);
+ expect(div.text, 'x,y,');
+
+ template.model = null;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+ expect(div.text, '');
+ });
+ });
+
+ test('Repeat - oneTime', () {
+ var div = createTestHtml('<template repeat="[[]]">text</template>');
+
+ var model = toObservable([0, 1, 2]);
+ var template = templateBind(div.firstChild);
+ template.model = model;
+
+ return new Future(() {
+ expect(div.nodes.length, 4);
+
+ model.length = 1;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 4);
+
+ model.addAll([3, 4]);
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 4);
+
+ model.removeRange(1, 2);
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 4);
+
+ template.model = null;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+ });
+ });
+
+ test('Repeat - Reuse Instances', () {
+ var div = createTestHtml('<template repeat>{{ val }}</template>');
+
+ var model = toObservable([
+ {'val': 10},
+ {'val': 5},
+ {'val': 2},
+ {'val': 8},
+ {'val': 1}
+ ]);
+ var template = div.firstChild;
+ templateBind(template).model = model;
+
+ return new Future(() {
+ expect(div.nodes.length, 6);
+
+ addExpandos(template.nextNode);
+ checkExpandos(template.nextNode);
+
+ model.sort((a, b) => a['val'] - b['val']);
+ }).then(endOfMicrotask).then((_) {
+ checkExpandos(template.nextNode);
+
+ model = toObservable(model.reversed);
+ templateBind(template).model = model;
+ }).then(endOfMicrotask).then((_) {
+ checkExpandos(template.nextNode);
+
+ for (var item in model) {
+ item['val'] += 1;
+ }
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes[1].text, "11");
+ expect(div.nodes[2].text, "9");
+ expect(div.nodes[3].text, "6");
+ expect(div.nodes[4].text, "3");
+ expect(div.nodes[5].text, "2");
+ });
+ });
+
+ test('Bind - Reuse Instance', () {
+ var div = createTestHtml(
+ '<template bind="{{ foo }}">{{ bar }}</template>');
+
+ var template = div.firstChild;
+ var model = toObservable({ 'foo': { 'bar': 5 }});
+ templateBind(template).model = model;
+
+ return new Future(() {
+ expect(div.nodes.length, 2);
+
+ addExpandos(template.nextNode);
+ checkExpandos(template.nextNode);
+
+ model = toObservable({'foo': model['foo']});
+ templateBind(template).model = model;
+ }).then(endOfMicrotask).then((_) {
+ checkExpandos(template.nextNode);
+ });
+ });
+
+ test('Repeat-Empty', () {
+ var div = createTestHtml(
+ '<template repeat>text</template>');
+
+ var template = div.firstChild;
+ var model = toObservable([0, 1, 2]);
+ templateBind(template).model = model;
+
+ return new Future(() {
+ expect(div.nodes.length, 4);
+
+ model.length = 1;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 2);
+
+ model.addAll(toObservable([3, 4]));
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 4);
+
+ model.removeRange(1, 2);
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 3);
+ });
+ });
+
+ test('Removal from iteration needs to unbind', () {
+ var div = createTestHtml(
+ '<template repeat="{{}}"><a>{{v}}</a></template>');
+ var template = div.firstChild;
+ var model = toObservable([{'v': 0}, {'v': 1}, {'v': 2}, {'v': 3},
+ {'v': 4}]);
+ templateBind(template).model = model;
+
+ var nodes, vs;
+ return new Future(() {
+
+ nodes = div.nodes.skip(1).toList();
+ vs = model.toList();
+
+ for (var i = 0; i < 5; i++) {
+ expect(nodes[i].text, '$i');
+ }
+
+ model.length = 3;
+ }).then(endOfMicrotask).then((_) {
+ for (var i = 0; i < 5; i++) {
+ expect(nodes[i].text, '$i');
+ }
+
+ vs[3]['v'] = 33;
+ vs[4]['v'] = 44;
+ }).then(endOfMicrotask).then((_) {
+ for (var i = 0; i < 5; i++) {
+ expect(nodes[i].text, '$i');
+ }
+ });
+ });
+
+ test('Template.clear', () {
+ var div = createTestHtml(
+ '<template repeat>{{}}</template>');
+ var template = div.firstChild;
+ templateBind(template).model = [0, 1, 2];
+
+ return new Future(() {
+ expect(div.nodes.length, 4);
+ expect(div.nodes[1].text, '0');
+ expect(div.nodes[2].text, '1');
+ expect(div.nodes[3].text, '2');
+
+ // clear() synchronously removes instances and clears the model.
+ templateBind(div.firstChild).clear();
+ expect(div.nodes.length, 1);
+ expect(templateBind(template).model, null);
+
+ // test that template still works if new model assigned
+ templateBind(template).model = [3, 4];
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 3);
+ expect(div.nodes[1].text, '3');
+ expect(div.nodes[2].text, '4');
+ });
+ });
+
+ test('DOM Stability on Iteration', () {
+ var div = createTestHtml(
+ '<template repeat="{{}}">{{}}</template>');
+ var template = div.firstChild;
+ var model = toObservable([1, 2, 3, 4, 5]);
+ templateBind(template).model = model;
+
+ var nodes;
+ return new Future(() {
+ // Note: the node at index 0 is the <template>.
+ nodes = div.nodes.toList();
+ expect(nodes.length, 6, reason: 'list has 5 items');
+
+ model.removeAt(0);
+ model.removeLast();
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 4, reason: 'list has 3 items');
+ expect(identical(div.nodes[1], nodes[2]), true, reason: '2 not removed');
+ expect(identical(div.nodes[2], nodes[3]), true, reason: '3 not removed');
+ expect(identical(div.nodes[3], nodes[4]), true, reason: '4 not removed');
+
+ model.insert(0, 5);
+ model[2] = 6;
+ model.add(7);
+
+ }).then(endOfMicrotask).then((_) {
+
+ expect(div.nodes.length, 6, reason: 'list has 5 items');
+ expect(nodes.contains(div.nodes[1]), false, reason: '5 is a new node');
+ expect(identical(div.nodes[2], nodes[2]), true);
+ expect(nodes.contains(div.nodes[3]), false, reason: '6 is a new node');
+ expect(identical(div.nodes[4], nodes[4]), true);
+ expect(nodes.contains(div.nodes[5]), false, reason: '7 is a new node');
+
+ nodes = div.nodes.toList();
+
+ model.insert(2, 8);
+
+ }).then(endOfMicrotask).then((_) {
+
+ expect(div.nodes.length, 7, reason: 'list has 6 items');
+ expect(identical(div.nodes[1], nodes[1]), true);
+ expect(identical(div.nodes[2], nodes[2]), true);
+ expect(nodes.contains(div.nodes[3]), false, reason: '8 is a new node');
+ expect(identical(div.nodes[4], nodes[3]), true);
+ expect(identical(div.nodes[5], nodes[4]), true);
+ expect(identical(div.nodes[6], nodes[5]), true);
+ });
+ });
+
+ test('Repeat2', () {
+ var div = createTestHtml(
+ '<template repeat="{{}}">{{value}}</template>');
+ expect(div.nodes.length, 1);
+
+ var template = div.firstChild;
+ var model = toObservable([
+ {'value': 0},
+ {'value': 1},
+ {'value': 2}
+ ]);
+ templateBind(template).model = model;
+
+ return new Future(() {
+ expect(div.nodes.length, 4);
+ expect(div.nodes[1].text, '0');
+ expect(div.nodes[2].text, '1');
+ expect(div.nodes[3].text, '2');
+
+ model[1]['value'] = 'One';
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 4);
+ expect(div.nodes[1].text, '0');
+ expect(div.nodes[2].text, 'One');
+ expect(div.nodes[3].text, '2');
+
+ model.replaceRange(0, 1, toObservable([{'value': 'Zero'}]));
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 4);
+ expect(div.nodes[1].text, 'Zero');
+ expect(div.nodes[2].text, 'One');
+ expect(div.nodes[3].text, '2');
+ });
+ });
+
+ test('TemplateWithInputValue', () {
+ var div = createTestHtml(
+ '<template bind="{{}}">'
+ '<input value="{{x}}">'
+ '</template>');
+ var template = div.firstChild;
+ var model = toObservable({'x': 'hi'});
+ templateBind(template).model = model;
+
+ return new Future(() {
+ expect(div.nodes.length, 2);
+ expect(div.nodes.last.value, 'hi');
+
+ model['x'] = 'bye';
+ expect(div.nodes.last.value, 'hi');
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.last.value, 'bye');
+
+ div.nodes.last.value = 'hello';
+ dispatchEvent('input', div.nodes.last);
+ expect(model['x'], 'hello');
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.last.value, 'hello');
+ });
+ });
+
+//////////////////////////////////////////////////////////////////////////////
+
+ test('Decorated', () {
+ var div = createTestHtml(
+ '<template bind="{{ XX }}" id="t1">'
+ '<p>Crew member: {{name}}, Job title: {{title}}</p>'
+ '</template>'
+ '<template bind="{{ XY }}" id="t2" ref="t1"></template>');
+
+ var t1 = document.getElementById('t1');
+ var t2 = document.getElementById('t2');
+ var model = toObservable({
+ 'XX': {'name': 'Leela', 'title': 'Captain'},
+ 'XY': {'name': 'Fry', 'title': 'Delivery boy'},
+ 'XZ': {'name': 'Zoidberg', 'title': 'Doctor'}
+ });
+ templateBind(t1).model = model;
+ templateBind(t2).model = model;
+
+ return new Future(() {
+ var instance = t1.nextElementSibling;
+ expect(instance.text, 'Crew member: Leela, Job title: Captain');
+
+ instance = t2.nextElementSibling;
+ expect(instance.text, 'Crew member: Fry, Job title: Delivery boy');
+
+ expect(div.children.length, 4);
+ expect(div.nodes.length, 4);
+
+ expect(div.nodes[1].tagName, 'P');
+ expect(div.nodes[3].tagName, 'P');
+ });
+ });
+
+ test('DefaultStyles', () {
+ var t = new Element.tag('template');
+ TemplateBindExtension.decorate(t);
+
+ document.body.append(t);
+ expect(t.getComputedStyle().display, 'none');
+
+ t.remove();
+ });
+
+
+ test('Bind', () {
+ var div = createTestHtml('<template bind="{{}}">Hi {{ name }}</template>');
+ var template = div.firstChild;
+ var model = toObservable({'name': 'Leela'});
+ templateBind(template).model = model;
+
+ return new Future(() => expect(div.nodes[1].text, 'Hi Leela'));
+ });
+
+ test('BindPlaceHolderHasNewLine', () {
+ var div = createTestHtml(
+ '<template bind="{{}}">Hi {{\nname\n}}</template>');
+ var template = div.firstChild;
+ var model = toObservable({'name': 'Leela'});
+ templateBind(template).model = model;
+
+ return new Future(() => expect(div.nodes[1].text, 'Hi Leela'));
+ });
+
+ test('BindWithRef', () {
+ var id = 't${new math.Random().nextInt(100)}';
+ var div = createTestHtml(
+ '<template id="$id">'
+ 'Hi {{ name }}'
+ '</template>'
+ '<template ref="$id" bind="{{}}"></template>');
+
+ var t1 = div.nodes.first;
+ var t2 = div.nodes[1];
+
+ var model = toObservable({'name': 'Fry'});
+ templateBind(t1).model = model;
+ templateBind(t2).model = model;
+
+ return new Future(() => expect(t2.nextNode.text, 'Hi Fry'));
+ });
+
+ test('Ref at multiple', () {
+ // Note: this test is asserting that template "ref"erences can be located
+ // at various points. In particular:
+ // -in the document (at large) (e.g. ref=doc)
+ // -within template content referenced from sub-content
+ // -both before and after the reference
+ // The following asserts ensure that all referenced templates content is
+ // found.
+ var div = createTestHtml(
+ '<template bind>'
+ '<template bind ref=doc></template>'
+ '<template id=elRoot>EL_ROOT</template>'
+ '<template bind>'
+ '<template bind ref=elRoot></template>'
+ '<template bind>'
+ '<template bind ref=subA></template>'
+ '<template id=subB>SUB_B</template>'
+ '<template bind>'
+ '<template bind ref=subB></template>'
+ '</template>'
+ '</template>'
+ '<template id=subA>SUB_A</template>'
+ '</template>'
+ '</template>'
+ '<template id=doc>DOC</template>');
+ var t = div.firstChild;
+ var fragment = templateBind(t).createInstance({});
+ expect(fragment.nodes.length, 14);
+ expect(fragment.nodes[1].text, 'DOC');
+ expect(fragment.nodes[5].text, 'EL_ROOT');
+ expect(fragment.nodes[8].text, 'SUB_A');
+ expect(fragment.nodes[12].text, 'SUB_B');
+ div.append(fragment);
+ });
+
+ test('Update Ref', () {
+ // Updating ref by observing the attribute is dependent on MutationObserver
+ var div = createTestHtml(
+ '<template id=A>Hi, {{}}</template>'
+ '<template id=B>Hola, {{}}</template>'
+ '<template ref=A repeat></template>');
+
+ var template = div.nodes[2];
+ var model = new ObservableList.from(['Fry']);
+ templateBind(template).model = model;
+
+ return new Future(() {
+ expect(div.nodes.length, 4);
+ expect('Hi, Fry', div.nodes[3].text);
+
+ // In IE 11, MutationObservers do not fire before setTimeout.
+ // So rather than using "then" to queue up the next test, we use a
+ // MutationObserver here to detect the change to "ref".
+ var done = new Completer();
+ new MutationObserver((mutations, observer) {
+ expect(div.nodes.length, 5);
+
+ expect('Hola, Fry', div.nodes[3].text);
+ expect('Hola, Leela', div.nodes[4].text);
+ done.complete();
+ }).observe(template, attributes: true, attributeFilter: ['ref']);
+
+ template.setAttribute('ref', 'B');
+ model.add('Leela');
+
+ return done.future;
+ });
+ });
+
+ test('Bound Ref', () {
+ var div = createTestHtml(
+ '<template id=A>Hi, {{}}</template>'
+ '<template id=B>Hola, {{}}</template>'
+ '<template ref="{{ ref }}" repeat="{{ people }}"></template>');
+
+ var template = div.nodes[2];
+ var model = toObservable({'ref': 'A', 'people': ['Fry']});
+ templateBind(template).model = model;
+
+ return new Future(() {
+ expect(div.nodes.length, 4);
+ expect('Hi, Fry', div.nodes[3].text);
+
+ model['ref'] = 'B';
+ model['people'].add('Leela');
+
+ }).then(endOfMicrotask).then((x) {
+ expect(div.nodes.length, 5);
+
+ expect('Hola, Fry', div.nodes[3].text);
+ expect('Hola, Leela', div.nodes[4].text);
+ });
+ });
+
+ test('BindWithDynamicRef', () {
+ var id = 't${new math.Random().nextInt(100)}';
+ var div = createTestHtml(
+ '<template id="$id">'
+ 'Hi {{ name }}'
+ '</template>'
+ '<template ref="{{ id }}" bind="{{}}"></template>');
+
+ var t1 = div.firstChild;
+ var t2 = div.nodes[1];
+ var model = toObservable({'name': 'Fry', 'id': id });
+ templateBind(t1).model = model;
+ templateBind(t2).model = model;
+
+ return new Future(() => expect(t2.nextNode.text, 'Hi Fry'));
+ });
+
+ assertNodesAre(div, [arguments]) {
+ var expectedLength = arguments.length;
+ expect(div.nodes.length, expectedLength + 1);
+
+ for (var i = 0; i < arguments.length; i++) {
+ var targetNode = div.nodes[i + 1];
+ expect(targetNode.text, arguments[i]);
+ }
+ }
+
+ test('Repeat3', () {
+ var div = createTestHtml(
+ '<template repeat="{{ contacts }}">Hi {{ name }}</template>');
+ var t = div.nodes.first;
+
+ var m = toObservable({
+ 'contacts': [
+ {'name': 'Raf'},
+ {'name': 'Arv'},
+ {'name': 'Neal'}
+ ]
+ });
+
+ templateBind(t).model = m;
+ return new Future(() {
+
+ assertNodesAre(div, ['Hi Raf', 'Hi Arv', 'Hi Neal']);
+
+ m['contacts'].add(toObservable({'name': 'Alex'}));
+ }).then(endOfMicrotask).then((_) {
+ assertNodesAre(div, ['Hi Raf', 'Hi Arv', 'Hi Neal', 'Hi Alex']);
+
+ m['contacts'].replaceRange(0, 2,
+ toObservable([{'name': 'Rafael'}, {'name': 'Erik'}]));
+ }).then(endOfMicrotask).then((_) {
+ assertNodesAre(div, ['Hi Rafael', 'Hi Erik', 'Hi Neal', 'Hi Alex']);
+
+ m['contacts'].removeRange(1, 3);
+ }).then(endOfMicrotask).then((_) {
+ assertNodesAre(div, ['Hi Rafael', 'Hi Alex']);
+
+ m['contacts'].insertAll(1,
+ toObservable([{'name': 'Erik'}, {'name': 'Dimitri'}]));
+ }).then(endOfMicrotask).then((_) {
+ assertNodesAre(div, ['Hi Rafael', 'Hi Erik', 'Hi Dimitri', 'Hi Alex']);
+
+ m['contacts'].replaceRange(0, 1,
+ toObservable([{'name': 'Tab'}, {'name': 'Neal'}]));
+ }).then(endOfMicrotask).then((_) {
+ assertNodesAre(div, ['Hi Tab', 'Hi Neal', 'Hi Erik', 'Hi Dimitri',
+ 'Hi Alex']);
+
+ m['contacts'] = toObservable([{'name': 'Alex'}]);
+ }).then(endOfMicrotask).then((_) {
+ assertNodesAre(div, ['Hi Alex']);
+
+ m['contacts'].length = 0;
+ }).then(endOfMicrotask).then((_) {
+ assertNodesAre(div, []);
+ });
+ });
+
+ test('RepeatModelSet', () {
+ var div = createTestHtml(
+ '<template repeat="{{ contacts }}">'
+ 'Hi {{ name }}'
+ '</template>');
+ var template = div.firstChild;
+ var m = toObservable({
+ 'contacts': [
+ {'name': 'Raf'},
+ {'name': 'Arv'},
+ {'name': 'Neal'}
+ ]
+ });
+ templateBind(template).model = m;
+ return new Future(() {
+ assertNodesAre(div, ['Hi Raf', 'Hi Arv', 'Hi Neal']);
+ });
+ });
+
+ test('RepeatEmptyPath', () {
+ var div = createTestHtml(
+ '<template repeat="{{}}">Hi {{ name }}</template>');
+ var t = div.nodes.first;
+
+ var m = toObservable([
+ {'name': 'Raf'},
+ {'name': 'Arv'},
+ {'name': 'Neal'}
+ ]);
+ templateBind(t).model = m;
+ return new Future(() {
+
+ assertNodesAre(div, ['Hi Raf', 'Hi Arv', 'Hi Neal']);
+
+ m.add(toObservable({'name': 'Alex'}));
+ }).then(endOfMicrotask).then((_) {
+ assertNodesAre(div, ['Hi Raf', 'Hi Arv', 'Hi Neal', 'Hi Alex']);
+
+ m.replaceRange(0, 2, toObservable([{'name': 'Rafael'}, {'name': 'Erik'}]));
+ }).then(endOfMicrotask).then((_) {
+ assertNodesAre(div, ['Hi Rafael', 'Hi Erik', 'Hi Neal', 'Hi Alex']);
+
+ m.removeRange(1, 3);
+ }).then(endOfMicrotask).then((_) {
+ assertNodesAre(div, ['Hi Rafael', 'Hi Alex']);
+
+ m.insertAll(1, toObservable([{'name': 'Erik'}, {'name': 'Dimitri'}]));
+ }).then(endOfMicrotask).then((_) {
+ assertNodesAre(div, ['Hi Rafael', 'Hi Erik', 'Hi Dimitri', 'Hi Alex']);
+
+ m.replaceRange(0, 1, toObservable([{'name': 'Tab'}, {'name': 'Neal'}]));
+ }).then(endOfMicrotask).then((_) {
+ assertNodesAre(div, ['Hi Tab', 'Hi Neal', 'Hi Erik', 'Hi Dimitri',
+ 'Hi Alex']);
+
+ m.length = 0;
+ m.add(toObservable({'name': 'Alex'}));
+ }).then(endOfMicrotask).then((_) {
+ assertNodesAre(div, ['Hi Alex']);
+ });
+ });
+
+ test('RepeatNullModel', () {
+ var div = createTestHtml(
+ '<template repeat="{{}}">Hi {{ name }}</template>');
+ var t = div.nodes.first;
+
+ var m = null;
+ templateBind(t).model = m;
+
+ expect(div.nodes.length, 1);
+
+ t.attributes['iterate'] = '';
+ m = toObservable({});
+ templateBind(t).model = m;
+ return new Future(() => expect(div.nodes.length, 1));
+ });
+
+ test('RepeatReuse', () {
+ var div = createTestHtml(
+ '<template repeat="{{}}">Hi {{ name }}</template>');
+ var t = div.nodes.first;
+
+ var m = toObservable([
+ {'name': 'Raf'},
+ {'name': 'Arv'},
+ {'name': 'Neal'}
+ ]);
+ templateBind(t).model = m;
+
+ var node1, node2, node3;
+ return new Future(() {
+ assertNodesAre(div, ['Hi Raf', 'Hi Arv', 'Hi Neal']);
+ node1 = div.nodes[1];
+ node2 = div.nodes[2];
+ node3 = div.nodes[3];
+
+ m.replaceRange(1, 2, toObservable([{'name': 'Erik'}]));
+ }).then(endOfMicrotask).then((_) {
+ assertNodesAre(div, ['Hi Raf', 'Hi Erik', 'Hi Neal']);
+ expect(div.nodes[1], node1,
+ reason: 'model[0] did not change so the node should not have changed');
+ expect(div.nodes[2], isNot(equals(node2)),
+ reason: 'Should not reuse when replacing');
+ expect(div.nodes[3], node3,
+ reason: 'model[2] did not change so the node should not have changed');
+
+ node2 = div.nodes[2];
+ m.insert(0, toObservable({'name': 'Alex'}));
+ }).then(endOfMicrotask).then((_) {
+ assertNodesAre(div, ['Hi Alex', 'Hi Raf', 'Hi Erik', 'Hi Neal']);
+ });
+ });
+
+ test('TwoLevelsDeepBug', () {
+ var div = createTestHtml(
+ '<template bind="{{}}"><span><span>{{ foo }}</span></span></template>');
+ var template = div.firstChild;
+ var model = toObservable({'foo': 'bar'});
+ templateBind(template).model = model;
+ return new Future(() {
+ expect(div.nodes[1].nodes[0].nodes[0].text, 'bar');
+ });
+ });
+
+ test('Checked', () {
+ var div = createTestHtml(
+ '<template bind>'
+ '<input type="checkbox" checked="{{a}}">'
+ '</template>');
+ var t = div.nodes.first;
+ templateBind(t).model = toObservable({'a': true });
+
+ return new Future(() {
+
+ var instanceInput = t.nextNode;
+ expect(instanceInput.checked, true);
+
+ instanceInput.click();
+ expect(instanceInput.checked, false);
+
+ instanceInput.click();
+ expect(instanceInput.checked, true);
+ });
+ });
+
+ nestedHelper(s, start) {
+ var div = createTestHtml(s);
+
+ var m = toObservable({
+ 'a': {
+ 'b': 1,
+ 'c': {'d': 2}
+ },
+ });
+
+ recursivelySetTemplateModel(div, m);
+ return new Future(() {
+
+ var i = start;
+ expect(div.nodes[i++].text, '1');
+ expect(div.nodes[i++].tagName, 'TEMPLATE');
+ expect(div.nodes[i++].text, '2');
+
+ m['a']['b'] = 11;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes[start].text, '11');
+
+ m['a']['c'] = toObservable({'d': 22});
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes[start + 2].text, '22');
+
+ //clearAllTemplates(div);
+ });
+ }
+
+ test('Nested', () => nestedHelper(
+ '<template bind="{{a}}">'
+ '{{b}}'
+ '<template bind="{{c}}">'
+ '{{d}}'
+ '</template>'
+ '</template>', 1));
+
+ test('NestedWithRef', () => nestedHelper(
+ '<template id="inner">{{d}}</template>'
+ '<template id="outer" bind="{{a}}">'
+ '{{b}}'
+ '<template ref="inner" bind="{{c}}"></template>'
+ '</template>', 2));
+
+ nestedIterateInstantiateHelper(s, start) {
+ var div = createTestHtml(s);
+
+ var m = toObservable({
+ 'a': [
+ {
+ 'b': 1,
+ 'c': {'d': 11}
+ },
+ {
+ 'b': 2,
+ 'c': {'d': 22}
+ }
+ ]
+ });
+
+ recursivelySetTemplateModel(div, m);
+ return new Future(() {
+
+ var i = start;
+ expect(div.nodes[i++].text, '1');
+ expect(div.nodes[i++].tagName, 'TEMPLATE');
+ expect(div.nodes[i++].text, '11');
+ expect(div.nodes[i++].text, '2');
+ expect(div.nodes[i++].tagName, 'TEMPLATE');
+ expect(div.nodes[i++].text, '22');
+
+ m['a'][1] = toObservable({
+ 'b': 3,
+ 'c': {'d': 33}
+ });
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes[start + 3].text, '3');
+ expect(div.nodes[start + 5].text, '33');
+ });
+ }
+
+ test('NestedRepeatBind', () => nestedIterateInstantiateHelper(
+ '<template repeat="{{a}}">'
+ '{{b}}'
+ '<template bind="{{c}}">'
+ '{{d}}'
+ '</template>'
+ '</template>', 1));
+
+ test('NestedRepeatBindWithRef', () => nestedIterateInstantiateHelper(
+ '<template id="inner">'
+ '{{d}}'
+ '</template>'
+ '<template repeat="{{a}}">'
+ '{{b}}'
+ '<template ref="inner" bind="{{c}}"></template>'
+ '</template>', 2));
+
+ nestedIterateIterateHelper(s, start) {
+ var div = createTestHtml(s);
+
+ var m = toObservable({
+ 'a': [
+ {
+ 'b': 1,
+ 'c': [{'d': 11}, {'d': 12}]
+ },
+ {
+ 'b': 2,
+ 'c': [{'d': 21}, {'d': 22}]
+ }
+ ]
+ });
+
+ recursivelySetTemplateModel(div, m);
+ return new Future(() {
+
+ var i = start;
+ expect(div.nodes[i++].text, '1');
+ expect(div.nodes[i++].tagName, 'TEMPLATE');
+ expect(div.nodes[i++].text, '11');
+ expect(div.nodes[i++].text, '12');
+ expect(div.nodes[i++].text, '2');
+ expect(div.nodes[i++].tagName, 'TEMPLATE');
+ expect(div.nodes[i++].text, '21');
+ expect(div.nodes[i++].text, '22');
+
+ m['a'][1] = toObservable({
+ 'b': 3,
+ 'c': [{'d': 31}, {'d': 32}, {'d': 33}]
+ });
+
+ i = start + 4;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes[start + 4].text, '3');
+ expect(div.nodes[start + 6].text, '31');
+ expect(div.nodes[start + 7].text, '32');
+ expect(div.nodes[start + 8].text, '33');
+ });
+ }
+
+ test('NestedRepeatBind', () => nestedIterateIterateHelper(
+ '<template repeat="{{a}}">'
+ '{{b}}'
+ '<template repeat="{{c}}">'
+ '{{d}}'
+ '</template>'
+ '</template>', 1));
+
+ test('NestedRepeatRepeatWithRef', () => nestedIterateIterateHelper(
+ '<template id="inner">'
+ '{{d}}'
+ '</template>'
+ '<template repeat="{{a}}">'
+ '{{b}}'
+ '<template ref="inner" repeat="{{c}}"></template>'
+ '</template>', 2));
+
+ test('NestedRepeatSelfRef', () {
+ var div = createTestHtml(
+ '<template id="t" repeat="{{}}">'
+ '{{name}}'
+ '<template ref="t" repeat="{{items}}"></template>'
+ '</template>');
+
+ var template = div.firstChild;
+
+ var m = toObservable([
+ {
+ 'name': 'Item 1',
+ 'items': [
+ {
+ 'name': 'Item 1.1',
+ 'items': [
+ {
+ 'name': 'Item 1.1.1',
+ 'items': []
+ }
+ ]
+ },
+ {
+ 'name': 'Item 1.2'
+ }
+ ]
+ },
+ {
+ 'name': 'Item 2',
+ 'items': []
+ },
+ ]);
+
+ templateBind(template).model = m;
+
+ int i = 1;
+ return new Future(() {
+ expect(div.nodes[i++].text, 'Item 1');
+ expect(div.nodes[i++].tagName, 'TEMPLATE');
+ expect(div.nodes[i++].text, 'Item 1.1');
+ expect(div.nodes[i++].tagName, 'TEMPLATE');
+ expect(div.nodes[i++].text, 'Item 1.1.1');
+ expect(div.nodes[i++].tagName, 'TEMPLATE');
+ expect(div.nodes[i++].text, 'Item 1.2');
+ expect(div.nodes[i++].tagName, 'TEMPLATE');
+ expect(div.nodes[i++].text, 'Item 2');
+
+ m[0] = toObservable({'name': 'Item 1 changed'});
+
+ i = 1;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes[i++].text, 'Item 1 changed');
+ expect(div.nodes[i++].tagName, 'TEMPLATE');
+ expect(div.nodes[i++].text, 'Item 2');
+ });
+ });
+
+ // Note: we don't need a zone for this test, and we don't want to alter timing
+ // since we're testing a rather subtle relationship between select and option.
+ test('Attribute Template Option/Optgroup', () {
+ var div = createTestHtml(
+ '<template bind>'
+ '<select selectedIndex="{{ selected }}">'
+ '<optgroup template repeat="{{ groups }}" label="{{ name }}">'
+ '<option template repeat="{{ items }}">{{ val }}</option>'
+ '</optgroup>'
+ '</select>'
+ '</template>');
+
+ var template = div.firstChild;
+ var m = toObservable({
+ 'selected': 1,
+ 'groups': [{
+ 'name': 'one', 'items': [{ 'val': 0 }, { 'val': 1 }]
+ }],
+ });
+
+ templateBind(template).model = m;
+
+ var completer = new Completer();
+
+ new MutationObserver((records, observer) {
+ var select = div.nodes[0].nextNode;
+ if (select == null || select.querySelector('option') == null) return;
+
+ observer.disconnect();
+ new Future(() {
+ expect(select.nodes.length, 2);
+
+ expect(select.selectedIndex, 1, reason: 'selected index should update '
+ 'after template expands.');
+
+ expect(select.nodes[0].tagName, 'TEMPLATE');
+ var optgroup = select.nodes[1];
+ expect(optgroup.nodes[0].tagName, 'TEMPLATE');
+ expect(optgroup.nodes[1].tagName, 'OPTION');
+ expect(optgroup.nodes[1].text, '0');
+ expect(optgroup.nodes[2].tagName, 'OPTION');
+ expect(optgroup.nodes[2].text, '1');
+
+ completer.complete();
+ });
+ })..observe(div, childList: true, subtree: true);
+
+ Observable.dirtyCheck();
+
+ return completer.future;
+ });
+
+ test('NestedIterateTableMixedSemanticNative', () {
+ if (!parserHasNativeTemplate) return null;
+
+ var div = createTestHtml(
+ '<table><tbody>'
+ '<template repeat="{{}}">'
+ '<tr>'
+ '<td template repeat="{{}}" class="{{ val }}">{{ val }}</td>'
+ '</tr>'
+ '</template>'
+ '</tbody></table>');
+ var template = div.firstChild.firstChild.firstChild;
+
+ var m = toObservable([
+ [{ 'val': 0 }, { 'val': 1 }],
+ [{ 'val': 2 }, { 'val': 3 }]
+ ]);
+
+ templateBind(template).model = m;
+ return new Future(() {
+ var tbody = div.nodes[0].nodes[0];
+
+ // 1 for the <tr template>, 2 * (1 tr)
+ expect(tbody.nodes.length, 3);
+
+ // 1 for the <td template>, 2 * (1 td)
+ expect(tbody.nodes[1].nodes.length, 3);
+
+ expect(tbody.nodes[1].nodes[1].text, '0');
+ expect(tbody.nodes[1].nodes[2].text, '1');
+
+ // 1 for the <td template>, 2 * (1 td)
+ expect(tbody.nodes[2].nodes.length, 3);
+ expect(tbody.nodes[2].nodes[1].text, '2');
+ expect(tbody.nodes[2].nodes[2].text, '3');
+
+ // Asset the 'class' binding is retained on the semantic template (just
+ // check the last one).
+ expect(tbody.nodes[2].nodes[2].attributes["class"], '3');
+ });
+ });
+
+ test('NestedIterateTable', () {
+ var div = createTestHtml(
+ '<table><tbody>'
+ '<tr template repeat="{{}}">'
+ '<td template repeat="{{}}" class="{{ val }}">{{ val }}</td>'
+ '</tr>'
+ '</tbody></table>');
+ var template = div.firstChild.firstChild.firstChild;
+
+ var m = toObservable([
+ [{ 'val': 0 }, { 'val': 1 }],
+ [{ 'val': 2 }, { 'val': 3 }]
+ ]);
+
+ templateBind(template).model = m;
+ return new Future(() {
+
+ var i = 1;
+ var tbody = div.nodes[0].nodes[0];
+
+ // 1 for the <tr template>, 2 * (1 tr)
+ expect(tbody.nodes.length, 3);
+
+ // 1 for the <td template>, 2 * (1 td)
+ expect(tbody.nodes[1].nodes.length, 3);
+ expect(tbody.nodes[1].nodes[1].text, '0');
+ expect(tbody.nodes[1].nodes[2].text, '1');
+
+ // 1 for the <td template>, 2 * (1 td)
+ expect(tbody.nodes[2].nodes.length, 3);
+ expect(tbody.nodes[2].nodes[1].text, '2');
+ expect(tbody.nodes[2].nodes[2].text, '3');
+
+ // Asset the 'class' binding is retained on the semantic template (just
+ // check the last one).
+ expect(tbody.nodes[2].nodes[2].attributes['class'], '3');
+ });
+ });
+
+ test('NestedRepeatDeletionOfMultipleSubTemplates', () {
+ var div = createTestHtml(
+ '<ul>'
+ '<template repeat="{{}}" id=t1>'
+ '<li>{{name}}'
+ '<ul>'
+ '<template ref=t1 repeat="{{items}}"></template>'
+ '</ul>'
+ '</li>'
+ '</template>'
+ '</ul>');
+
+ var m = toObservable([
+ {
+ 'name': 'Item 1',
+ 'items': [
+ {
+ 'name': 'Item 1.1'
+ }
+ ]
+ }
+ ]);
+ var ul = div.firstChild;
+ var t = ul.firstChild;
+
+ templateBind(t).model = m;
+ return new Future(() {
+ expect(ul.nodes.length, 2);
+ var ul2 = ul.nodes[1].nodes[1];
+ expect(ul2.nodes.length, 2);
+ var ul3 = ul2.nodes[1].nodes[1];
+ expect(ul3.nodes.length, 1);
+
+ m.removeAt(0);
+ }).then(endOfMicrotask).then((_) {
+ expect(ul.nodes.length, 1);
+ });
+ });
+
+ test('DeepNested', () {
+ var div = createTestHtml(
+ '<template bind="{{a}}">'
+ '<p>'
+ '<template bind="{{b}}">'
+ '{{ c }}'
+ '</template>'
+ '</p>'
+ '</template>');
+ var template = div.firstChild;
+ var m = toObservable({
+ 'a': {
+ 'b': {
+ 'c': 42
+ }
+ }
+ });
+ templateBind(template).model = m;
+ return new Future(() {
+ expect(div.nodes[1].tagName, 'P');
+ expect(div.nodes[1].nodes.first.tagName, 'TEMPLATE');
+ expect(div.nodes[1].nodes[1].text, '42');
+ });
+ });
+
+ test('TemplateContentRemoved', () {
+ var div = createTestHtml('<template bind="{{}}">{{ }}</template>');
+ var template = div.firstChild;
+ var model = 42;
+
+ templateBind(template).model = model;
+ return new Future(() {
+ expect(div.nodes[1].text, '42');
+ expect(div.nodes[0].text, '');
+ });
+ });
+
+ test('TemplateContentRemovedEmptyArray', () {
+ var div = createTestHtml('<template iterate>Remove me</template>');
+ var template = div.firstChild;
+ templateBind(template).model = [];
+ return new Future(() {
+ expect(div.nodes.length, 1);
+ expect(div.nodes[0].text, '');
+ });
+ });
+
+ test('TemplateContentRemovedNested', () {
+ var div = createTestHtml(
+ '<template bind="{{}}">'
+ '{{ a }}'
+ '<template bind="{{}}">'
+ '{{ b }}'
+ '</template>'
+ '</template>');
+ var template = div.firstChild;
+ var model = toObservable({
+ 'a': 1,
+ 'b': 2
+ });
+ templateBind(template).model = model;
+ return new Future(() {
+ expect(div.nodes[0].text, '');
+ expect(div.nodes[1].text, '1');
+ expect(div.nodes[2].text, '');
+ expect(div.nodes[3].text, '2');
+ });
+ });
+
+ test('BindWithUndefinedModel', () {
+ var div = createTestHtml(
+ '<template bind="{{}}" if="{{}}">{{ a }}</template>');
+ var template = div.firstChild;
+
+ var model = toObservable({'a': 42});
+ templateBind(template).model = model;
+ return new Future(() {
+ expect(div.nodes[1].text, '42');
+
+ model = null;
+ templateBind(template).model = model;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 1);
+
+ model = toObservable({'a': 42});
+ templateBind(template).model = model;
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes[1].text, '42');
+ });
+ });
+
+ test('BindNested', () {
+ var div = createTestHtml(
+ '<template bind="{{}}">'
+ 'Name: {{ name }}'
+ '<template bind="{{wife}}" if="{{wife}}">'
+ 'Wife: {{ name }}'
+ '</template>'
+ '<template bind="{{child}}" if="{{child}}">'
+ 'Child: {{ name }}'
+ '</template>'
+ '</template>');
+ var template = div.firstChild;
+ var m = toObservable({
+ 'name': 'Hermes',
+ 'wife': {
+ 'name': 'LaBarbara'
+ }
+ });
+ templateBind(template).model = m;
+
+ return new Future(() {
+ expect(div.nodes.length, 5);
+ expect(div.nodes[1].text, 'Name: Hermes');
+ expect(div.nodes[3].text, 'Wife: LaBarbara');
+
+ m['child'] = toObservable({'name': 'Dwight'});
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 6);
+ expect(div.nodes[5].text, 'Child: Dwight');
+
+ m.remove('wife');
+
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 5);
+ expect(div.nodes[4].text, 'Child: Dwight');
+ });
+ });
+
+ test('BindRecursive', () {
+ var div = createTestHtml(
+ '<template bind="{{}}" if="{{}}" id="t">'
+ 'Name: {{ name }}'
+ '<template bind="{{friend}}" if="{{friend}}" ref="t"></template>'
+ '</template>');
+ var template = div.firstChild;
+ var m = toObservable({
+ 'name': 'Fry',
+ 'friend': {
+ 'name': 'Bender'
+ }
+ });
+ templateBind(template).model = m;
+ return new Future(() {
+ expect(div.nodes.length, 5);
+ expect(div.nodes[1].text, 'Name: Fry');
+ expect(div.nodes[3].text, 'Name: Bender');
+
+ m['friend']['friend'] = toObservable({'name': 'Leela'});
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 7);
+ expect(div.nodes[5].text, 'Name: Leela');
+
+ m['friend'] = toObservable({'name': 'Leela'});
+ }).then(endOfMicrotask).then((_) {
+ expect(div.nodes.length, 5);
+ expect(div.nodes[3].text, 'Name: Leela');
+ });
+ });
+
+ test('Template - Self is terminator', () {
+ var div = createTestHtml(
+ '<template repeat>{{ foo }}'
+ '<template bind></template>'
+ '</template>');
+ var template = div.firstChild;
+
+ var m = toObservable([{ 'foo': 'bar' }]);
+ templateBind(template).model = m;
+ return new Future(() {
+
+ m.add(toObservable({ 'foo': 'baz' }));
+ templateBind(template).model = m;
+ }).then(endOfMicrotask).then((_) {
+
+ expect(div.nodes.length, 5);
+ expect(div.nodes[1].text, 'bar');
+ expect(div.nodes[3].text, 'baz');
+ });
+ });
+
+ test('Template - Same Contents, Different Array has no effect', () {
+ if (!MutationObserver.supported) return null;
+
+ var div = createTestHtml('<template repeat>{{ foo }}</template>');
+ var template = div.firstChild;
+
+ var m = toObservable([{ 'foo': 'bar' }, { 'foo': 'bat'}]);
+ templateBind(template).model = m;
+ var observer = new MutationObserver((x, y) {});
+ return new Future(() {
+ observer.observe(div, childList: true);
+
+ var template = div.firstChild;
+ templateBind(template).model = new ObservableList.from(m);
+ }).then(endOfMicrotask).then((_) {
+ var records = observer.takeRecords();
+ expect(records.length, 0);
+ });
+ });
+
+ test('RecursiveRef', () {
+ var div = createTestHtml(
+ '<template bind>'
+ '<template id=src>{{ foo }}</template>'
+ '<template bind ref=src></template>'
+ '</template>');
+
+ var m = toObservable({'foo': 'bar'});
+ templateBind(div.firstChild).model = m;
+ return new Future(() {
+ expect(div.nodes.length, 4);
+ expect(div.nodes[3].text, 'bar');
+ });
+ });
+
+ test('baseURI', () {
+ // TODO(jmesserly): Dart's setInnerHtml breaks this test -- the template
+ // URL is created as blank despite the NullTreeSanitizer.
+ // Use JS interop as a workaround.
+ //var div = createTestHtml('<template bind>'
+ // '<div style="background: url(foo.jpg)"></div></template>');
+ var div = new DivElement();
+ new JsObject.fromBrowserObject(div)['innerHTML'] = '<template bind>'
+ '<div style="background: url(foo.jpg)"></div></template>';
+ testDiv.append(div);
+ TemplateBindExtension.decorate(div.firstChild);
+
+ var local = document.createElement('div');
+ local.attributes['style'] = 'background: url(foo.jpg)';
+ div.append(local);
+ var template = div.firstChild;
+ templateBind(template).model = {};
+ return new Future(() {
+ expect(div.nodes[1].style.backgroundImage, local.style.backgroundImage);
+ });
+ });
+
+ test('ChangeRefId', () {
+ var div = createTestHtml(
+ '<template id="a">a:{{ }}</template>'
+ '<template id="b">b:{{ }}</template>'
+ '<template repeat="{{}}">'
+ '<template ref="a" bind="{{}}"></template>'
+ '</template>');
+ var template = div.nodes[2];
+ var model = toObservable([]);
+ templateBind(template).model = model;
+ return new Future(() {
+ expect(div.nodes.length, 3);
+
+ document.getElementById('a').id = 'old-a';
+ document.getElementById('b').id = 'a';
+
+ model..add(1)..add(2);
+ }).then(endOfMicrotask).then((_) {
+
+ expect(div.nodes.length, 7);
+ expect(div.nodes[4].text, 'b:1');
+ expect(div.nodes[6].text, 'b:2');
+ });
+ });
+
+ test('Content', () {
+ var div = createTestHtml(
+ '<template><a></a></template>'
+ '<template><b></b></template>');
+ var templateA = div.nodes.first;
+ var templateB = div.nodes.last;
+ var contentA = templateBind(templateA).content;
+ var contentB = templateBind(templateB).content;
+ expect(contentA, isNotNull);
+
+ expect(templateA.ownerDocument, isNot(equals(contentA.ownerDocument)));
+ expect(templateB.ownerDocument, isNot(equals(contentB.ownerDocument)));
+
+ expect(templateB.ownerDocument, templateA.ownerDocument);
+ expect(contentB.ownerDocument, contentA.ownerDocument);
+
+ // NOTE: these tests don't work under ShadowDOM polyfill.
+ // Disabled for now.
+ //expect(templateA.ownerDocument.window, window);
+ //expect(templateB.ownerDocument.window, window);
+
+ expect(contentA.ownerDocument.window, null);
+ expect(contentB.ownerDocument.window, null);
+
+ expect(contentA.nodes.last, contentA.nodes.first);
+ expect(contentA.nodes.first.tagName, 'A');
+
+ expect(contentB.nodes.last, contentB.nodes.first);
+ expect(contentB.nodes.first.tagName, 'B');
+ });
+
+ test('NestedContent', () {
+ var div = createTestHtml(
+ '<template>'
+ '<template></template>'
+ '</template>');
+ var templateA = div.nodes.first;
+ var templateB = templateBind(templateA).content.nodes.first;
+
+ expect(templateB.ownerDocument, templateBind(templateA)
+ .content.ownerDocument);
+ expect(templateBind(templateB).content.ownerDocument,
+ templateBind(templateA).content.ownerDocument);
+ });
+
+ test('BindShadowDOM', () {
+ if (!ShadowRoot.supported) return null;
+
+ var root = createShadowTestHtml(
+ '<template bind="{{}}">Hi {{ name }}</template>');
+ var model = toObservable({'name': 'Leela'});
+ templateBind(root.firstChild).model = model;
+ return new Future(() => expect(root.nodes[1].text, 'Hi Leela'));
+ });
+
+ // Dart note: this test seems gone from JS. Keeping for posterity sake.
+ test('BindShadowDOM createInstance', () {
+ if (!ShadowRoot.supported) return null;
+
+ var model = toObservable({'name': 'Leela'});
+ var template = new Element.html('<template>Hi {{ name }}</template>');
+ var root = createShadowTestHtml('');
+ root.nodes.add(templateBind(template).createInstance(model));
+
+ return new Future(() {
+ expect(root.text, 'Hi Leela');
+
+ model['name'] = 'Fry';
+ }).then(endOfMicrotask).then((_) {
+ expect(root.text, 'Hi Fry');
+ });
+ });
+
+ test('BindShadowDOM Template Ref', () {
+ if (!ShadowRoot.supported) return null;
+ var root = createShadowTestHtml(
+ '<template id=foo>Hi</template><template bind ref=foo></template>');
+ var template = root.nodes[1];
+ templateBind(template).model = toObservable({});
+ return new Future(() {
+ expect(root.nodes.length, 3);
+ clearAllTemplates(root);
+ });
+ });
+
+ // https://github.com/Polymer/TemplateBinding/issues/8
+ test('UnbindingInNestedBind', () {
+ var div = createTestHtml(
+ '<template bind="{{outer}}" if="{{outer}}" syntax="testHelper">'
+ '<template bind="{{inner}}" if="{{inner}}">'
+ '{{ age }}'
+ '</template>'
+ '</template>');
+ var template = div.firstChild;
+ var syntax = new UnbindingInNestedBindSyntax();
+ var model = toObservable({'outer': {'inner': {'age': 42}}});
+
+ templateBind(template)..model = model..bindingDelegate = syntax;
+
+ return new Future(() {
+ expect(syntax.count, 1);
+
+ var inner = model['outer']['inner'];
+ model['outer'] = null;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(syntax.count, 1);
+
+ model['outer'] = toObservable({'inner': {'age': 2}});
+ syntax.expectedAge = 2;
+
+ }).then(endOfMicrotask).then((_) {
+ expect(syntax.count, 2);
+ });
+ });
+
+ // https://github.com/toolkitchen/mdv/issues/8
+ test('DontCreateInstancesForAbandonedIterators', () {
+ var div = createTestHtml(
+ '<template bind="{{}} {{}}">'
+ '<template bind="{{}}">Foo</template>'
+ '</template>');
+ var template = div.firstChild;
+ templateBind(template).model = null;
+ return nextMicrotask;
+ });
+
+ test('CreateInstance', () {
+ var div = createTestHtml(
+ '<template bind="{{a}}">'
+ '<template bind="{{b}}">'
+ '{{ foo }}:{{ replaceme }}'
+ '</template>'
+ '</template>');
+ var outer = templateBind(div.nodes.first);
+ var model = toObservable({'b': {'foo': 'bar'}});
+
+ var instance = outer.createInstance(model, new TestBindingSyntax());
+ expect(instance.firstChild.nextNode.text, 'bar:replaced');
+
+ clearAllTemplates(instance);
+ });
+
+ test('CreateInstance - sync error', () {
+ var div = createTestHtml('<template>{{foo}}</template>');
+ var outer = templateBind(div.nodes.first);
+ var model = 1; // model is missing 'foo' should throw.
+ expect(() => outer.createInstance(model, new TestBindingSyntax()),
+ throwsA(_isNoSuchMethodError));
+ });
+
+ test('CreateInstance - async error', () {
+ var div = createTestHtml(
+ '<template>'
+ '<template bind="{{b}}">'
+ '{{ foo }}:{{ replaceme }}'
+ '</template>'
+ '</template>');
+ var outer = templateBind(div.nodes.first);
+ var model = toObservable({'b': 1}); // missing 'foo' should throw.
+
+ bool seen = false;
+ runZoned(() => outer.createInstance(model, new TestBindingSyntax()),
+ onError: (e) {
+ _expectNoSuchMethod(e);
+ seen = true;
+ });
+ return new Future(() { expect(seen, isTrue); });
+ });
+
+ test('Repeat - svg', () {
+ var div = createTestHtml(
+ '<svg width="400" height="110">'
+ '<template repeat>'
+ '<rect width="{{ width }}" height="{{ height }}" />'
+ '</template>'
+ '</svg>');
+
+ var model = toObservable([{ 'width': 10, 'height': 11 },
+ { 'width': 20, 'height': 21 }]);
+ var svg = div.firstChild;
+ var template = svg.firstChild;
+ templateBind(template).model = model;
+
+ return new Future(() {
+ expect(svg.nodes.length, 3);
+ expect(svg.nodes[1].attributes['width'], '10');
+ expect(svg.nodes[1].attributes['height'], '11');
+ expect(svg.nodes[2].attributes['width'], '20');
+ expect(svg.nodes[2].attributes['height'], '21');
+ });
+ });
+
+ test('Bootstrap', () {
+ var div = new DivElement();
+ div.innerHtml =
+ '<template>'
+ '<div></div>'
+ '<template>'
+ 'Hello'
+ '</template>'
+ '</template>';
+
+ TemplateBindExtension.bootstrap(div);
+ var template = templateBind(div.nodes.first);
+ expect(template.content.nodes.length, 2);
+ var template2 = templateBind(template.content.nodes.first.nextNode);
+ expect(template2.content.nodes.length, 1);
+ expect(template2.content.nodes.first.text, 'Hello');
+
+ template = new Element.tag('template');
+ template.innerHtml =
+ '<template>'
+ '<div></div>'
+ '<template>'
+ 'Hello'
+ '</template>'
+ '</template>';
+
+ TemplateBindExtension.bootstrap(template);
+ template2 = templateBind(templateBind(template).content.nodes.first);
+ expect(template2.content.nodes.length, 2);
+ var template3 = templateBind(template2.content.nodes.first.nextNode);
+ expect(template3.content.nodes.length, 1);
+ expect(template3.content.nodes.first.text, 'Hello');
+ });
+
+ test('issue-285', () {
+ var div = createTestHtml(
+ '<template>'
+ '<template bind if="{{show}}">'
+ '<template id=del repeat="{{items}}">'
+ '{{}}'
+ '</template>'
+ '</template>'
+ '</template>');
+
+ var template = div.firstChild;
+
+ var model = toObservable({
+ 'show': true,
+ 'items': [1]
+ });
+
+ div.append(templateBind(template).createInstance(model,
+ new Issue285Syntax()));
+
+ return new Future(() {
+ expect(template.nextNode.nextNode.nextNode.text, '2');
+ model['show'] = false;
+ }).then(endOfMicrotask).then((_) {
+ model['show'] = true;
+ }).then(endOfMicrotask).then((_) {
+ expect(template.nextNode.nextNode.nextNode.text, '2');
+ });
+ });
+
+ test('Accessor value retrieval count', () {
+ var div = createTestHtml(
+ '<template bind>{{ prop }}</template>');
+
+ var model = new TestAccessorModel();
+
+ templateBind(div.firstChild).model = model;
+
+ return new Future(() {
+ expect(model.count, 1);
+
+ model.value++;
+ // Dart note: we don't handle getters in @observable, so we need to
+ // notify regardless.
+ model.notifyPropertyChange(#prop, 1, model.value);
+
+ }).then(endOfMicrotask).then((_) {
+ expect(model.count, 2);
+ });
+ });
+
+ test('issue-141', () {
+ var div = createTestHtml(
+ '<template bind>'
+ '<div foo="{{foo1}} {{foo2}}" bar="{{bar}}"></div>'
+ '</template>');
+
+ var template = div.firstChild;
+ var model = toObservable({
+ 'foo1': 'foo1Value',
+ 'foo2': 'foo2Value',
+ 'bar': 'barValue'
+ });
+
+ templateBind(template).model = model;
+ return new Future(() {
+ expect(div.lastChild.attributes['bar'], 'barValue');
+ });
+ });
+
+ test('issue-18', () {
+ var delegate = new Issue18Syntax();
+
+ var div = createTestHtml(
+ '<template bind>'
+ '<div class="foo: {{ bar }}"></div>'
+ '</template>');
+
+ var template = div.firstChild;
+ var model = toObservable({'bar': 2});
+
+ templateBind(template)..model = model..bindingDelegate = delegate;
+
+ return new Future(() {
+ expect(div.lastChild.attributes['class'], 'foo: 2');
+ });
+ });
+
+ test('issue-152', () {
+ var div = createTestHtml(
+ '<template ref=notThere bind>XXX</template>');
+
+ var template = div.firstChild;
+ templateBind(template).model = {};
+
+ return new Future(() {
+ // if a ref cannot be located, a template will continue to use itself
+ // as the source of template instances.
+ expect(div.nodes[1].text, 'XXX');
+ });
+ });
+}
+
+compatTests() {
+ test('underbar bindings', () {
+ var div = createTestHtml(
+ '<template bind>'
+ '<div _style="color: {{ color }};"></div>'
+ '<img _src="{{ url }}">'
+ '<a _href="{{ url2 }}">Link</a>'
+ '<input type="number" _value="{{ number }}">'
+ '</template>');
+
+ var template = div.firstChild;
+ var model = toObservable({
+ 'color': 'red',
+ 'url': 'pic.jpg',
+ 'url2': 'link.html',
+ 'number': 4
+ });
+
+ templateBind(template).model = model;
+ return new Future(() {
+ var subDiv = div.firstChild.nextNode;
+ expect(subDiv.attributes['style'], 'color: red;');
+
+ var img = subDiv.nextNode;
+ expect(img.attributes['src'], 'pic.jpg');
+
+ var a = img.nextNode;
+ expect(a.attributes['href'], 'link.html');
+
+ var input = a.nextNode;
+ expect(input.value, '4');
+ });
+ });
+}
+
+// TODO(jmesserly): ideally we could test the type with isNoSuchMethodError,
+// however dart:js converts the nSM into a String at some point.
+// So for now we do string comparison.
+_isNoSuchMethodError(e) => '$e'.contains('NoSuchMethodError');
+
+_expectNoSuchMethod(e) {
+ // expect(e, isNoSuchMethodError);
+ expect('$e', contains('NoSuchMethodError'));
+}
+
+class Issue285Syntax extends BindingDelegate {
+ prepareInstanceModel(template) {
+ if (template.id == 'del') return (val) => val * 2;
+ }
+}
+
+class TestBindingSyntax extends BindingDelegate {
+ prepareBinding(String path, name, node) {
+ if (path.trim() == 'replaceme') {
+ return (m, n, oneTime) => new PathObserver('replaced', '');
+ }
+ return null;
+ }
+}
+
+class UnbindingInNestedBindSyntax extends BindingDelegate {
+ int expectedAge = 42;
+ int count = 0;
+
+ prepareBinding(path, name, node) {
+ if (name != 'text' || path != 'age') return null;
+
+ return (model, _, oneTime) {
+ expect(model['age'], expectedAge);
+ count++;
+ return new PathObserver(model, path);
+ };
+ }
+}
+
+class Issue18Syntax extends BindingDelegate {
+ prepareBinding(path, name, node) {
+ if (name != 'class') return null;
+
+ return (model, _, oneTime) => new PathObserver(model, path);
+ }
+}
+
+class BindIfMinimalDiscardChanges extends BindingDelegate {
+ Map<String, int> discardChangesCalled;
+
+ BindIfMinimalDiscardChanges(this.discardChangesCalled) : super() {}
+
+ prepareBinding(path, name, node) {
+ return (model, node, oneTime) =>
+ new DiscardCountingPathObserver(discardChangesCalled, model, path);
+ }
+}
+
+class DiscardCountingPathObserver extends PathObserver {
+ Map<String, int> discardChangesCalled;
+
+ DiscardCountingPathObserver(this.discardChangesCalled, model, path)
+ : super(model, path) {}
+
+ get value {
+ discardChangesCalled[path.toString()]++;
+ return super.value;
+ }
+}
+
+class TestAccessorModel extends Observable {
+ @observable var value = 1;
+ var count = 0;
+
+ @reflectable
+ get prop {
+ count++;
+ return value;
+ }
+}
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