70 lines
2.2 KiB
TypeScript
70 lines
2.2 KiB
TypeScript
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/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import * as o from '../../../src/output/output_ast';
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import {I18nContext} from '../../../src/render3/view/i18n';
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describe('I18nContext', () => {
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it('should support i18n content collection', () => {
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const ctx = new I18nContext(5, null, 'myRef');
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// basic checks
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expect(ctx.isRoot()).toBe(true);
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expect(ctx.isResolved()).toBe(true);
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expect(ctx.getId()).toBe(0);
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expect(ctx.getIndex()).toBe(5);
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expect(ctx.getTemplateIndex()).toBeNull();
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expect(ctx.getRef()).toBe('myRef');
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// data collection checks
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expect(ctx.getContent()).toBe('');
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ctx.appendText('Foo');
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ctx.appendElement(1);
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ctx.appendText('Bar');
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ctx.appendElement(1, true);
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expect(ctx.getContent()).toBe('Foo<6F>#1<>Bar<61>/#1<>');
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// binding collection checks
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expect(ctx.getBindings().size).toBe(0);
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ctx.appendBinding(o.literal(1));
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ctx.appendBinding(o.literal(2));
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expect(ctx.getBindings().size).toBe(2);
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});
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it('should support nested contexts', () => {
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const ctx = new I18nContext(5, null, 'myRef');
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const templateIndex = 1;
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// set some data for root ctx
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ctx.appendText('Foo');
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ctx.appendBinding(o.literal(1));
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ctx.appendTemplate(templateIndex);
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expect(ctx.isResolved()).toBe(false);
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// create child context
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const childCtx = ctx.forkChildContext(6, templateIndex);
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expect(childCtx.getContent()).toBe('');
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expect(childCtx.getBindings().size).toBe(0);
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expect(childCtx.getRef()).toBe(ctx.getRef()); // ref should be passed into child ctx
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expect(childCtx.isRoot()).toBe(false);
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childCtx.appendText('Bar');
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childCtx.appendElement(2);
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childCtx.appendText('Baz');
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childCtx.appendElement(2, true);
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childCtx.appendBinding(o.literal(2));
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childCtx.appendBinding(o.literal(3));
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expect(childCtx.getContent()).toBe('Bar<61>#2:1<>Baz<61>/#2:1<>');
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expect(childCtx.getBindings().size).toBe(2);
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// reconcile
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ctx.reconcileChildContext(childCtx);
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expect(ctx.getContent()).toBe('Foo<6F>*1:1<>Bar<61>#2:1<>Baz<61>/#2:1<><31>/*1:1<>');
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});
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});
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