125 lines
4.0 KiB
TypeScript
125 lines
4.0 KiB
TypeScript
/**
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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 fs from 'fs';
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import * as os from 'os';
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import * as path from 'path';
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import * as ts from 'typescript';
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import * as ng from '../index';
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const tmpdir = process.env.TEST_TMPDIR || os.tmpdir();
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function getNgRootDir() {
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const moduleFilename = module.filename.replace(/\\/g, '/');
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const distIndex = moduleFilename.indexOf('/dist/all');
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return moduleFilename.substr(0, distIndex);
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}
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export function writeTempFile(name: string, contents: string): string {
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// TEST_TMPDIR is set by bazel.
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const id = (Math.random() * 1000000).toFixed(0);
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const fn = path.join(tmpdir, `tmp.${id}.${name}`);
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fs.writeFileSync(fn, contents);
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return fn;
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}
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export function makeTempDir(): string {
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const id = (Math.random() * 1000000).toFixed(0);
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const dir = path.join(tmpdir, `tmp.${id}`);
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fs.mkdirSync(dir);
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return dir;
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}
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export interface TestSupport {
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basePath: string;
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write(fileName: string, content: string): void;
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writeFiles(...mockDirs: {[fileName: string]: string}[]): void;
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createCompilerOptions(overrideOptions?: ng.CompilerOptions): ng.CompilerOptions;
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shouldExist(fileName: string): void;
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shouldNotExist(fileName: string): void;
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}
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export function setup(): TestSupport {
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const basePath = makeTempDir();
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const ngRootDir = getNgRootDir();
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const nodeModulesPath = path.resolve(basePath, 'node_modules');
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fs.mkdirSync(nodeModulesPath);
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fs.symlinkSync(
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path.resolve(ngRootDir, 'dist', 'all', '@angular'),
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path.resolve(nodeModulesPath, '@angular'));
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fs.symlinkSync(
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path.resolve(ngRootDir, 'node_modules', 'rxjs'), path.resolve(nodeModulesPath, 'rxjs'));
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fs.symlinkSync(
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path.resolve(ngRootDir, 'node_modules', 'typescript'),
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path.resolve(nodeModulesPath, 'typescript'));
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return {basePath, write, writeFiles, createCompilerOptions, shouldExist, shouldNotExist};
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function write(fileName: string, content: string) {
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const dir = path.dirname(fileName);
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if (dir != '.') {
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const newDir = path.join(basePath, dir);
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if (!fs.existsSync(newDir)) fs.mkdirSync(newDir);
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}
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fs.writeFileSync(path.join(basePath, fileName), content, {encoding: 'utf-8'});
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}
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function writeFiles(...mockDirs: {[fileName: string]: string}[]) {
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mockDirs.forEach(
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(dir) => { Object.keys(dir).forEach((fileName) => { write(fileName, dir[fileName]); }); });
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}
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function createCompilerOptions(overrideOptions: ng.CompilerOptions = {}): ng.CompilerOptions {
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return {
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basePath,
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'experimentalDecorators': true,
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'skipLibCheck': true,
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'strict': true,
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'types': [],
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'outDir': path.resolve(basePath, 'built'),
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'rootDir': basePath,
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'baseUrl': basePath,
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'declaration': true,
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'target': ts.ScriptTarget.ES5,
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'module': ts.ModuleKind.ES2015,
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'moduleResolution': ts.ModuleResolutionKind.NodeJs,
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'lib': [
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path.resolve(basePath, 'node_modules/typescript/lib/lib.es6.d.ts'),
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],
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...overrideOptions,
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};
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}
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function shouldExist(fileName: string) {
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if (!fs.existsSync(path.resolve(basePath, fileName))) {
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throw new Error(`Expected ${fileName} to be emitted (basePath: ${basePath})`);
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}
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}
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function shouldNotExist(fileName: string) {
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if (fs.existsSync(path.resolve(basePath, fileName))) {
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throw new Error(`Did not expect ${fileName} to be emitted (basePath: ${basePath})`);
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}
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}
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}
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export function expectNoDiagnostics(options: ng.CompilerOptions, diags: ng.Diagnostics) {
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const errorDiags = diags.filter(d => d.category !== ts.DiagnosticCategory.Message);
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if (errorDiags.length) {
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throw new Error(`Expected no diagnostics: ${ng.formatDiagnostics(options, errorDiags)}`);
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}
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}
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export function expectNoDiagnosticsInProgram(options: ng.CompilerOptions, p: ng.Program) {
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expectNoDiagnostics(options, [
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...p.getNgStructuralDiagnostics(), ...p.getTsSemanticDiagnostics(),
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...p.getNgSemanticDiagnostics()
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]);
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}
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