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Unified Diff: pkg/template_binding/test/binding_syntax_test.dart

Issue 50203004: port TemplateBinding to ed3266266e751b5ab1f75f8e0509d0d5f0ef35d8 (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 7 years, 2 months ago
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Index: pkg/template_binding/test/binding_syntax_test.dart
diff --git a/pkg/template_binding/test/binding_syntax_test.dart b/pkg/template_binding/test/binding_syntax_test.dart
deleted file mode 100644
index b8b62834a92a18cfd6ba7dfcd6fc93bebea30586..0000000000000000000000000000000000000000
--- a/pkg/template_binding/test/binding_syntax_test.dart
+++ /dev/null
@@ -1,185 +0,0 @@
-// 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.binding_syntax_test;
-
-import 'dart:collection';
-import 'dart:html';
-import 'package:template_binding/template_binding.dart';
-import 'package:observe/observe.dart';
-import 'package:unittest/html_config.dart';
-import 'package:unittest/unittest.dart';
-import 'utils.dart';
-
-// Note: this file ported from
-// https://github.com/toolkitchen/mdv/blob/master/tests/syntax.js
-
-main() {
- useHtmlConfiguration();
-
- group('Syntax FooBarModel', () {
- syntaxTests(([f, b]) => new FooBarModel(f, b));
- });
- group('Syntax FooBarNotifyModel', () {
- syntaxTests(([f, b]) => new FooBarNotifyModel(f, b));
- });
-}
-
-syntaxTests(FooBarModel fooModel([foo, bar])) {
- setUp(() {
- document.body.append(testDiv = new DivElement());
- });
-
- tearDown(() {
- testDiv.remove();
- testDiv = null;
- });
-
- observeTest('Registration', () {
- var model = fooModel('bar');
- var testSyntax = new TestBindingSyntax();
- var div = createTestHtml('<template bind>{{ foo }}'
- '<template bind>{{ foo }}</template></template>');
- recursivelySetTemplateModel(div, model, testSyntax);
- performMicrotaskCheckpoint();
- expect(div.nodes.length, 4);
- expect(div.nodes.last.text, 'bar');
- expect(div.nodes[2].tagName, 'TEMPLATE');
- expect(testSyntax.log, [
- [model, '', 'bind', 'TEMPLATE'],
- [model, 'foo', 'text', null],
- [model, '', 'bind', 'TEMPLATE'],
- [model, 'foo', 'text', null],
- ]);
- });
-
- observeTest('getInstanceModel', () {
- var model = toObservable([fooModel(1), fooModel(2), fooModel(3)]);
-
- var testSyntax = new TestModelSyntax();
- testSyntax.altModels.addAll([fooModel('a'), fooModel('b'), fooModel('c')]);
-
- var div = createTestHtml('<template repeat>{{ foo }}</template>');
-
- var template = div.nodes[0];
- recursivelySetTemplateModel(div, model, testSyntax);
- performMicrotaskCheckpoint();
-
- expect(div.nodes.length, 4);
- expect(div.nodes[0].tagName, 'TEMPLATE');
- expect(div.nodes[1].text, 'a');
- expect(div.nodes[2].text, 'b');
- expect(div.nodes[3].text, 'c');
-
- expect(testSyntax.log, [
- [template, model[0]],
- [template, model[1]],
- [template, model[2]],
- ]);
- });
-
- observeTest('getInstanceModel - reorder instances', () {
- var model = toObservable([0, 1, 2]);
-
- var div = createTestHtml('<template repeat syntax="Test">{{}}</template>');
- var template = div.firstChild;
- var delegate = new TestInstanceModelSyntax();
-
- recursivelySetTemplateModel(div, model, delegate);
- performMicrotaskCheckpoint();
- expect(delegate.count, 3);
-
- // Note: intentionally mutate in place.
- model.replaceRange(0, model.length, model.reversed.toList());
- performMicrotaskCheckpoint();
- expect(delegate.count, 3);
- });
-
- observeTest('Basic', () {
- var model = fooModel(2, 4);
- var div = createTestHtml(
- '<template bind syntax="2x">'
- '{{ foo }} + {{ 2x: bar }} + {{ 4x: bar }}</template>');
- recursivelySetTemplateModel(div, model, new TimesTwoSyntax());
- performMicrotaskCheckpoint();
- expect(div.nodes.length, 2);
- expect(div.nodes.last.text, '2 + 8 + ');
-
- model.foo = 4;
- model.bar = 8;
- performMicrotaskCheckpoint();
- expect(div.nodes.last.text, '4 + 16 + ');
- });
-}
-
-// TODO(jmesserly): mocks would be cleaner here.
-
-class TestBindingSyntax extends BindingDelegate {
- var log = [];
-
- getBinding(model, String path, String name, node) {
- log.add([model, path, name, node is Element ? node.tagName : null]);
- }
-}
-
-class TestModelSyntax extends BindingDelegate {
- var log = [];
- var altModels = new ListQueue();
-
- getInstanceModel(template, model) {
- log.add([template, model]);
- return altModels.removeFirst();
- }
-}
-
-class TestInstanceModelSyntax extends BindingDelegate {
- int count = 0;
- getInstanceModel(template, model) {
- count++;
- return model;
- }
-}
-
-// Note: this isn't a very smart whitespace handler. A smarter one would only
-// trim indentation, not all whitespace.
-// See "trimOrCompact" in the web_ui Pub package.
-class WhitespaceRemover extends BindingDelegate {
- int trimmed = 0;
- int removed = 0;
-
- DocumentFragment getInstanceFragment(Element template) {
- var instance = templateBind(template).createInstance();
- var walker = new TreeWalker(instance, NodeFilter.SHOW_TEXT);
-
- var toRemove = [];
- while (walker.nextNode() != null) {
- var node = walker.currentNode;
- var text = node.text.replaceAll('\n', '').trim();
- if (text.length != node.text.length) {
- if (text.length == 0) {
- toRemove.add(node);
- } else {
- trimmed++;
- node.text = text;
- }
- }
- }
-
- for (var node in toRemove) node.remove();
- removed += toRemove.length;
-
- return instance;
- }
-}
-
-class TimesTwoSyntax extends BindingDelegate {
- getBinding(model, path, name, node) {
- path = path.trim();
- if (!path.startsWith('2x:')) return null;
-
- path = path.substring(3);
- return new CompoundBinding((values) => values['value'] * 2)
- ..bind('value', model, path);
- }
-}
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