/
definitions_spec.ts
215 lines (185 loc) · 7.67 KB
/
definitions_spec.ts
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/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {initMockFileSystem} from '@angular/compiler-cli/src/ngtsc/file_system/testing';
import {assertFileNames, assertTextSpans, createModuleAndProjectWithDeclarations, humanizeDocumentSpanLike, LanguageServiceTestEnv, OpenBuffer} from '../testing';
describe('definitions', () => {
it('gets definition for template reference in overridden template', () => {
initMockFileSystem('Native');
const files = {
'app.html': '',
'app.ts': `
import {Component} from '@angular/core';
@Component({templateUrl: '/app.html'})
export class AppCmp {}
`,
};
const env = LanguageServiceTestEnv.setup();
const project = createModuleAndProjectWithDeclarations(env, 'test', files);
const template = project.openFile('app.html');
template.contents = '<input #myInput /> {{myInput.value}}';
project.expectNoSourceDiagnostics();
template.moveCursorToText('{{myIn¦put.value}}');
const {definitions} = getDefinitionsAndAssertBoundSpan(env, template);
expect(definitions![0].name).toEqual('myInput');
assertFileNames(Array.from(definitions!), ['app.html']);
});
it('returns the pipe definitions when checkTypeOfPipes is false', () => {
initMockFileSystem('Native');
const files = {
'app.ts': `
import {Component, NgModule} from '@angular/core';
import {CommonModule} from '@angular/common';
@Component({templateUrl: 'app.html'})
export class AppCmp {}
`,
'app.html': '{{"1/1/2020" | date}}'
};
// checkTypeOfPipes is set to false when strict templates is false
const env = LanguageServiceTestEnv.setup();
const project =
createModuleAndProjectWithDeclarations(env, 'test', files, {strictTemplates: false});
const template = project.openFile('app.html');
project.expectNoSourceDiagnostics();
template.moveCursorToText('da¦te');
const {textSpan, definitions} = getDefinitionsAndAssertBoundSpan(env, template);
expect(template.contents.substr(textSpan.start, textSpan.length)).toEqual('date');
expect(definitions.length).toEqual(3);
assertTextSpans(definitions, ['transform']);
assertFileNames(definitions, ['index.d.ts']);
});
it('gets definitions for all inputs when attribute matches more than one', () => {
initMockFileSystem('Native');
const files = {
'app.ts': `
import {Component, NgModule} from '@angular/core';
import {CommonModule} from '@angular/common';
@Component({templateUrl: 'app.html'})
export class AppCmp {}
`,
'app.html': '<div dir inputA="abc"></div>',
'dir.ts': `
import {Directive, Input} from '@angular/core';
@Directive({selector: '[dir]'})
export class MyDir {
@Input() inputA!: any;
}`,
'dir2.ts': `
import {Directive, Input} from '@angular/core';
@Directive({selector: '[dir]'})
export class MyDir2 {
@Input() inputA!: any;
}`
};
const env = LanguageServiceTestEnv.setup();
const project = createModuleAndProjectWithDeclarations(env, 'test', files);
const template = project.openFile('app.html');
template.moveCursorToText('inpu¦tA="abc"');
const {textSpan, definitions} = getDefinitionsAndAssertBoundSpan(env, template);
expect(template.contents.substr(textSpan.start, textSpan.length)).toEqual('inputA');
expect(definitions!.length).toEqual(2);
const [def, def2] = definitions!;
expect(def.textSpan).toContain('inputA');
expect(def2.textSpan).toContain('inputA');
// TODO(atscott): investigate why the text span includes more than just 'inputA'
// assertTextSpans([def, def2], ['inputA']);
assertFileNames([def, def2], ['dir2.ts', 'dir.ts']);
});
it('gets definitions for all outputs when attribute matches more than one', () => {
initMockFileSystem('Native');
const files = {
'app.html': '<div dir (someEvent)="doSomething()"></div>',
'dir.ts': `
import {Directive, Output, EventEmitter} from '@angular/core';
@Directive({selector: '[dir]'})
export class MyDir {
@Output() someEvent = new EventEmitter<void>();
}`,
'dir2.ts': `
import {Directive, Output, EventEmitter} from '@angular/core';
@Directive({selector: '[dir]'})
export class MyDir2 {
@Output() someEvent = new EventEmitter<void>();
}`,
'app.ts': `
import {Component, NgModule} from '@angular/core';
import {CommonModule} from '@angular/common';
@Component({templateUrl: 'app.html'})
export class AppCmp {
doSomething() {}
}
`
};
const env = LanguageServiceTestEnv.setup();
const project = createModuleAndProjectWithDeclarations(env, 'test', files);
const template = project.openFile('app.html');
template.moveCursorToText('(someEv¦ent)');
const {textSpan, definitions} = getDefinitionsAndAssertBoundSpan(env, template);
expect(template.contents.substr(textSpan.start, textSpan.length)).toEqual('someEvent');
expect(definitions.length).toEqual(2);
const [def, def2] = definitions;
expect(def.textSpan).toContain('someEvent');
expect(def2.textSpan).toContain('someEvent');
// TODO(atscott): investigate why the text span includes more than just 'someEvent'
// assertTextSpans([def, def2], ['someEvent']);
assertFileNames([def, def2], ['dir2.ts', 'dir.ts']);
});
it('should go to the pre-compiled style sheet', () => {
initMockFileSystem('Native');
const files = {
'app.ts': `
import {Component} from '@angular/core';
@Component({
template: '',
styleUrls: ['./style.css'],
})
export class AppCmp {}
`,
'style.scss': '',
};
const env = LanguageServiceTestEnv.setup();
const project = createModuleAndProjectWithDeclarations(env, 'test', files);
const appFile = project.openFile('app.ts');
appFile.moveCursorToText(`['./styl¦e.css']`);
const {textSpan, definitions} = getDefinitionsAndAssertBoundSpan(env, appFile);
expect(appFile.contents.substr(textSpan.start, textSpan.length)).toEqual('./style.css');
expect(definitions.length).toEqual(1);
assertFileNames(definitions, ['style.scss']);
});
it('gets definition for property of variable declared in template', () => {
initMockFileSystem('Native');
const files = {
'app.html': `
<ng-container *ngIf="{prop: myVal} as myVar">
{{myVar.prop.name}}
</ng-container>
`,
'app.ts': `
import {Component} from '@angular/core';
@Component({templateUrl: '/app.html'})
export class AppCmp {
myVal = {name: 'Andrew'};
}
`,
};
const env = LanguageServiceTestEnv.setup();
const project = createModuleAndProjectWithDeclarations(env, 'test', files);
const template = project.openFile('app.html');
project.expectNoSourceDiagnostics();
template.moveCursorToText('{{myVar.pro¦p.name}}');
const {definitions} = getDefinitionsAndAssertBoundSpan(env, template);
expect(definitions![0].name).toEqual('"prop"');
assertFileNames(Array.from(definitions!), ['app.html']);
});
function getDefinitionsAndAssertBoundSpan(env: LanguageServiceTestEnv, file: OpenBuffer) {
env.expectNoSourceDiagnostics();
const definitionAndBoundSpan = file.getDefinitionAndBoundSpan();
const {textSpan, definitions} = definitionAndBoundSpan!;
expect(definitions).toBeTruthy();
return {textSpan, definitions: definitions!.map(d => humanizeDocumentSpanLike(d, env))};
}
});