refactor(language-service): migrate definitions_spec to new testing package (#40966)
refactor(language-service): migrate definitions_spec to new testing package PR Close #40966
This commit is contained in:
Andrew Scott
atscott
parent
8808002e54
commit
d2b43d577b
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@ -6,102 +6,100 @@
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* found in the LICENSE file at https://angular.io/license
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*/
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import {absoluteFrom, AbsoluteFsPath} from '@angular/compiler-cli/src/ngtsc/file_system';
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import {initMockFileSystem} from '@angular/compiler-cli/src/ngtsc/file_system/testing';
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import {extractCursorInfo, LanguageServiceTestEnvironment} from './env';
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import {assertFileNames, createModuleWithDeclarations, humanizeDocumentSpanLike} from './test_utils';
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import {assertFileNames, createModuleAndProjectWithDeclarations, humanizeDocumentSpanLike, LanguageServiceTestEnv, OpenBuffer} from '../testing';
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describe('definitions', () => {
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it('gets definition for template reference in overridden template', () => {
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initMockFileSystem('Native');
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const templateFile = {contents: '', name: absoluteFrom('/app.html')};
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const appFile = {
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name: absoluteFrom('/app.ts'),
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contents: `
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const files = {
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'app.html': '',
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'app.ts': `
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import {Component} from '@angular/core';
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@Component({templateUrl: '/app.html'})
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export class AppCmp {}
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`,
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};
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const env = LanguageServiceTestEnv.setup();
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const env = createModuleWithDeclarations([appFile], [templateFile]);
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const {cursor} = env.updateFileWithCursor(
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absoluteFrom('/app.html'), '<input #myInput /> {{myIn¦put.value}}');
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env.expectNoSourceDiagnostics();
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const {definitions} = env.ngLS.getDefinitionAndBoundSpan(absoluteFrom('/app.html'), cursor)!;
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const project = createModuleAndProjectWithDeclarations(env, 'test', files);
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const template = project.openFile('app.html');
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template.contents = '<input #myInput /> {{myInput.value}}';
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project.expectNoSourceDiagnostics();
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template.moveCursorToText('{{myIn¦put.value}}');
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const {definitions} = getDefinitionsAndAssertBoundSpan(env, template);
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expect(definitions![0].name).toEqual('myInput');
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assertFileNames(Array.from(definitions!), ['app.html']);
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});
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it('returns the pipe class as definition when checkTypeOfPipes is false', () => {
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initMockFileSystem('Native');
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const {cursor, text} = extractCursorInfo('{{"1/1/2020" | dat¦e}}');
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const templateFile = {contents: text, name: absoluteFrom('/app.html')};
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const appFile = {
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name: absoluteFrom('/app.ts'),
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contents: `
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const files = {
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'app.ts': `
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import {Component, NgModule} from '@angular/core';
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import {CommonModule} from '@angular/common';
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@Component({templateUrl: 'app.html'})
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export class AppCmp {}
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`,
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'app.html': '{{"1/1/2020" | date}}'
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};
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// checkTypeOfPipes is set to false when strict templates is false
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const env = createModuleWithDeclarations([appFile], [templateFile], {strictTemplates: false});
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const {textSpan, definitions} =
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getDefinitionsAndAssertBoundSpan(env, absoluteFrom('/app.html'), cursor);
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expect(text.substr(textSpan.start, textSpan.length)).toEqual('date');
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const env = LanguageServiceTestEnv.setup();
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const project =
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createModuleAndProjectWithDeclarations(env, 'test', files, {strictTemplates: false});
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const template = project.openFile('app.html');
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project.expectNoSourceDiagnostics();
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template.moveCursorToText('da¦te');
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expect(definitions.length).toEqual(1);
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const [def] = definitions;
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const {textSpan, definitions} = getDefinitionsAndAssertBoundSpan(env, template);
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expect(template.contents.substr(textSpan.start, textSpan.length)).toEqual('date');
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expect(definitions!.length).toEqual(1);
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const [def] = definitions!;
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expect(def.textSpan).toContain('DatePipe');
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expect(def.contextSpan).toContain('DatePipe');
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});
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it('gets definitions for all inputs when attribute matches more than one', () => {
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initMockFileSystem('Native');
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const {cursor, text} = extractCursorInfo('<div dir inpu¦tA="abc"></div>');
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const templateFile = {contents: text, name: absoluteFrom('/app.html')};
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const dirFile = {
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name: absoluteFrom('/dir.ts'),
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contents: `
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const files = {
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'app.ts': `
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import {Component, NgModule} from '@angular/core';
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import {CommonModule} from '@angular/common';
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@Component({templateUrl: 'app.html'})
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export class AppCmp {}
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`,
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'app.html': '<div dir inputA="abc"></div>',
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'dir.ts': `
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import {Directive, Input} from '@angular/core';
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@Directive({selector: '[dir]'})
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export class MyDir {
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@Input() inputA!: any;
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}`,
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};
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const dirFile2 = {
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name: absoluteFrom('/dir2.ts'),
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contents: `
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'dir2.ts': `
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import {Directive, Input} from '@angular/core';
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@Directive({selector: '[dir]'})
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export class MyDir2 {
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@Input() inputA!: any;
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}`,
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};
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const appFile = {
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name: absoluteFrom('/app.ts'),
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contents: `
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import {Component, NgModule} from '@angular/core';
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import {CommonModule} from '@angular/common';
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}`
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@Component({templateUrl: 'app.html'})
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export class AppCmp {}
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`
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};
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const env = createModuleWithDeclarations([appFile, dirFile, dirFile2], [templateFile]);
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const {textSpan, definitions} =
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getDefinitionsAndAssertBoundSpan(env, absoluteFrom('/app.html'), cursor);
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expect(text.substr(textSpan.start, textSpan.length)).toEqual('inputA');
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const env = LanguageServiceTestEnv.setup();
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const project = createModuleAndProjectWithDeclarations(env, 'test', files);
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const template = project.openFile('app.html');
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template.moveCursorToText('inpu¦tA="abc"');
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expect(definitions.length).toEqual(2);
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const [def, def2] = definitions;
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const {textSpan, definitions} = getDefinitionsAndAssertBoundSpan(env, template);
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expect(template.contents.substr(textSpan.start, textSpan.length)).toEqual('inputA');
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expect(definitions!.length).toEqual(2);
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const [def, def2] = definitions!;
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expect(def.textSpan).toContain('inputA');
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expect(def2.textSpan).toContain('inputA');
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// TODO(atscott): investigate why the text span includes more than just 'inputA'
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@ -111,31 +109,23 @@ describe('definitions', () => {
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it('gets definitions for all outputs when attribute matches more than one', () => {
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initMockFileSystem('Native');
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const {cursor, text} = extractCursorInfo('<div dir (someEv¦ent)="doSomething()"></div>');
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const templateFile = {contents: text, name: absoluteFrom('/app.html')};
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const dirFile = {
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name: absoluteFrom('/dir.ts'),
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contents: `
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const files = {
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'app.html': '<div dir (someEvent)="doSomething()"></div>',
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'dir.ts': `
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import {Directive, Output, EventEmitter} from '@angular/core';
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@Directive({selector: '[dir]'})
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export class MyDir {
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@Output() someEvent = new EventEmitter<void>();
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}`,
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};
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const dirFile2 = {
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name: absoluteFrom('/dir2.ts'),
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contents: `
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'dir2.ts': `
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import {Directive, Output, EventEmitter} from '@angular/core';
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@Directive({selector: '[dir]'})
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export class MyDir2 {
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@Output() someEvent = new EventEmitter<void>();
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}`,
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};
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const appFile = {
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name: absoluteFrom('/app.ts'),
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contents: `
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'app.ts': `
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import {Component, NgModule} from '@angular/core';
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import {CommonModule} from '@angular/common';
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@ -145,10 +135,13 @@ describe('definitions', () => {
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}
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`
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};
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const env = createModuleWithDeclarations([appFile, dirFile, dirFile2], [templateFile]);
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const {textSpan, definitions} =
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getDefinitionsAndAssertBoundSpan(env, absoluteFrom('/app.html'), cursor);
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expect(text.substr(textSpan.start, textSpan.length)).toEqual('someEvent');
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const env = LanguageServiceTestEnv.setup();
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const project = createModuleAndProjectWithDeclarations(env, 'test', files);
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const template = project.openFile('app.html');
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template.moveCursorToText('(someEv¦ent)');
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const {textSpan, definitions} = getDefinitionsAndAssertBoundSpan(env, template);
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expect(template.contents.substr(textSpan.start, textSpan.length)).toEqual('someEvent');
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expect(definitions.length).toEqual(2);
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const [def, def2] = definitions;
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@ -159,10 +152,9 @@ describe('definitions', () => {
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assertFileNames([def, def2], ['dir2.ts', 'dir.ts']);
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});
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function getDefinitionsAndAssertBoundSpan(
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env: LanguageServiceTestEnvironment, fileName: AbsoluteFsPath, cursor: number) {
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function getDefinitionsAndAssertBoundSpan(env: LanguageServiceTestEnv, file: OpenBuffer) {
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env.expectNoSourceDiagnostics();
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const definitionAndBoundSpan = env.ngLS.getDefinitionAndBoundSpan(fileName, cursor);
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const definitionAndBoundSpan = file.getDefinitionAndBoundSpan();
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const {textSpan, definitions} = definitionAndBoundSpan!;
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expect(definitions).toBeTruthy();
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return {textSpan, definitions: definitions!.map(d => humanizeDocumentSpanLike(d, env))};
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@ -12,7 +12,7 @@ import {loadStandardTestFiles} from '@angular/compiler-cli/src/ngtsc/testing';
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import * as ts from 'typescript/lib/tsserverlibrary';
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import {MockServerHost} from './host';
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import {Project, ProjectFiles} from './project';
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import {Project, ProjectFiles, TestableOptions} from './project';
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/**
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* Testing environment for the Angular Language Service, which creates an in-memory tsserver
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@ -48,12 +48,12 @@ export class LanguageServiceTestEnv {
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constructor(private host: MockServerHost, private projectService: ts.server.ProjectService) {}
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addProject(name: string, files: ProjectFiles): Project {
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addProject(name: string, files: ProjectFiles, options: TestableOptions = {}): Project {
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if (this.projects.has(name)) {
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throw new Error(`Project ${name} is already defined`);
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}
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const project = Project.initialize(name, this.projectService, files);
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const project = Project.initialize(name, this.projectService, files, options);
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this.projects.set(name, project);
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return project;
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}
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@ -65,6 +65,12 @@ export class LanguageServiceTestEnv {
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}
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return scriptInfo.getSnapshot().getText(span.start, span.start + span.length);
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}
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expectNoSourceDiagnostics(): void {
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for (const project of this.projects.values()) {
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project.expectNoSourceDiagnostics();
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}
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}
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}
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const logger: ts.server.Logger = {
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@ -8,7 +8,7 @@
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import {StrictTemplateOptions} from '@angular/compiler-cli/src/ngtsc/core/api';
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import {absoluteFrom, AbsoluteFsPath, FileSystem, getFileSystem} from '@angular/compiler-cli/src/ngtsc/file_system';
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import { OptimizeFor } from '@angular/compiler-cli/src/ngtsc/typecheck/api';
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import {OptimizeFor} from '@angular/compiler-cli/src/ngtsc/typecheck/api';
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import * as ts from 'typescript/lib/tsserverlibrary';
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import {LanguageService} from '../../language_service';
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import {OpenBuffer} from './buffer';
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@ -44,6 +44,7 @@ function writeTsconfig(
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null, 2));
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}
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export type TestableOptions = StrictTemplateOptions;
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export class Project {
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private tsProject: ts.server.Project;
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@ -52,7 +53,8 @@ export class Project {
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private buffers = new Map<string, OpenBuffer>();
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static initialize(
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projectName: string, projectService: ts.server.ProjectService, files: ProjectFiles): Project {
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projectName: string, projectService: ts.server.ProjectService, files: ProjectFiles,
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options: TestableOptions = {}): Project {
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const fs = getFileSystem();
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const tsConfigPath = absoluteFrom(`/${projectName}/tsconfig.json`);
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@ -68,7 +70,7 @@ export class Project {
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}
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}
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writeTsconfig(fs, tsConfigPath, entryFiles, {});
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writeTsconfig(fs, tsConfigPath, entryFiles, options);
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// Ensure the project is live in the ProjectService.
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projectService.openClientFile(entryFiles[0]);
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@ -8,7 +8,7 @@
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import {absoluteFrom} from '@angular/compiler-cli/src/ngtsc/file_system';
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import {TestFile} from '@angular/compiler-cli/src/ngtsc/file_system/testing';
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import {LanguageServiceTestEnv} from './env';
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import {Project, ProjectFiles} from './project';
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import {Project, ProjectFiles, TestableOptions} from './project';
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/**
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* Given a text snippet which contains exactly one cursor symbol ('¦'), extract both the offset of
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@ -67,7 +67,7 @@ function getFirstClassDeclaration(declaration: string) {
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export function createModuleAndProjectWithDeclarations(
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env: LanguageServiceTestEnv, projectName: string, projectFiles: ProjectFiles,
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options: any = {}): Project {
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options: TestableOptions = {}): Project {
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const externalClasses: string[] = [];
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const externalImports: string[] = [];
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for (const [fileName, fileContents] of Object.entries(projectFiles)) {
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@ -90,5 +90,28 @@ export function createModuleAndProjectWithDeclarations(
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export class AppModule {}
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`;
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projectFiles['app-module.ts'] = moduleContents;
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return env.addProject(projectName, projectFiles);
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return env.addProject(projectName, projectFiles, options);
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}
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export function humanizeDocumentSpanLike<T extends ts.DocumentSpan>(
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item: T, env: LanguageServiceTestEnv): T&Stringy<ts.DocumentSpan> {
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return {
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...item,
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textSpan: env.getTextFromTsSpan(item.fileName, item.textSpan),
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contextSpan: item.contextSpan ? env.getTextFromTsSpan(item.fileName, item.contextSpan) :
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undefined,
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originalTextSpan: item.originalTextSpan ?
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env.getTextFromTsSpan(item.fileName, item.originalTextSpan) :
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undefined,
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originalContextSpan: item.originalContextSpan ?
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env.getTextFromTsSpan(item.fileName, item.originalContextSpan) :
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undefined,
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};
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}
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type Stringy<T> = {
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[P in keyof T]: string;
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};
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export function getText(contents: string, textSpan: ts.TextSpan) {
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return contents.substr(textSpan.start, textSpan.length);
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}
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