126 lines
4.2 KiB
TypeScript
126 lines
4.2 KiB
TypeScript
import {beforeEach, ddescribe, describe, expect, iit, it} from '@angular/core/testing/testing_internal';
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import * as ts from 'typescript';
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import {ReflectorHost, ReflectorHostContext} from '../src/reflector_host';
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import {Directory, Entry, MockCompilerHost, MockContext} from './mocks';
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describe('reflector_host', () => {
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var context: MockContext;
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var host: ts.CompilerHost;
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var program: ts.Program;
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var reflectorHost: ReflectorHost;
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beforeEach(() => {
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context = new MockContext('/tmp/src', clone(FILES));
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host = new MockCompilerHost(context)
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program = ts.createProgram(
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['main.ts'], {
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module: ts.ModuleKind.CommonJS,
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},
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host);
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// Force a typecheck
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let errors = program.getSemanticDiagnostics();
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if (errors && errors.length) {
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throw new Error('Expected no errors');
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}
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reflectorHost = new ReflectorHost(
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program, host, {
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genDir: '/tmp/dist',
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basePath: '/tmp/src',
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skipMetadataEmit: false,
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skipTemplateCodegen: false,
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trace: false
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},
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context);
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});
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it('should provide the import locations for angular', () => {
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let {coreDecorators, diDecorators, diMetadata, animationMetadata, provider} =
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reflectorHost.angularImportLocations();
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expect(coreDecorators).toEqual('@angular/core/src/metadata');
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expect(diDecorators).toEqual('@angular/core/src/di/decorators');
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expect(diMetadata).toEqual('@angular/core/src/di/metadata');
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expect(animationMetadata).toEqual('@angular/core/src/animation/metadata');
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expect(provider).toEqual('@angular/core/src/di/provider');
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});
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it('should be able to produce an import from main @angular/core', () => {
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expect(reflectorHost.getImportPath('main.ts', 'node_modules/@angular/core.d.ts'))
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.toEqual('@angular/core');
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});
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it('should be ble to produce an import from main to a sub-directory', () => {
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expect(reflectorHost.getImportPath('main.ts', 'lib/utils.ts')).toEqual('./lib/utils');
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});
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it('should be able to produce an import from to a peer file', () => {
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expect(reflectorHost.getImportPath('lib/utils.ts', 'lib/collections.ts'))
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.toEqual('./collections');
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});
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it('should be able to produce an import from to a sibling directory', () => {
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expect(reflectorHost.getImportPath('lib2/utils2.ts', 'lib/utils.ts')).toEqual('../lib/utils');
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});
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it('should be able to produce a symbol for an exported symbol', () => {
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expect(reflectorHost.findDeclaration('@angular/router', 'foo', 'main.ts')).toBeDefined();
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});
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it('should be able to produce a symbol for values space only reference', () => {
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expect(reflectorHost.findDeclaration('@angular/router/src/providers', 'foo', 'main.ts'))
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.toBeDefined();
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});
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it('should be produce the same symbol if asked twice', () => {
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let foo1 = reflectorHost.getStaticSymbol('main.ts', 'foo');
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let foo2 = reflectorHost.getStaticSymbol('main.ts', 'foo');
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expect(foo1).toBe(foo2);
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});
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it('should be able to read a metadata file',
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() => {
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expect(reflectorHost.getMetadataFor('node_modules/@angular/core.d.ts'))
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.toEqual({__symbolic: 'module', version: 1, metadata: {foo: {__symbolic: 'class'}}})});
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});
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const dummyModule = 'export let foo: any[];'
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const FILES: Entry = {
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'tmp': {
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'src': {
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'main.ts': `
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import * as c from '@angular/core';
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import * as r from '@angular/router';
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import * as u from './lib/utils';
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import * as cs from './lib/collections';
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import * as u2 from './lib2/utils2';
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`,
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'lib': {
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'utils.ts': dummyModule,
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'collections.ts': dummyModule,
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},
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'lib2': {'utils2.ts': dummyModule},
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'node_modules': {
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'@angular': {
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'core.d.ts': dummyModule,
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'core.metadata.json':
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`{"__symbolic":"module", "version": 1, "metadata": {"foo": {"__symbolic": "class"}}}`,
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'router': {'index.d.ts': dummyModule, 'src': {'providers.d.ts': dummyModule}}
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}
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}
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}
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}
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}
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function clone(entry: Entry): Entry {
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if (typeof entry === 'string') {
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return entry;
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} else {
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let result: Directory = {};
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for (let name in entry) {
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result[name] = clone(entry[name]);
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}
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return result;
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}
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}
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