angular-cn/packages/core/schematics/test/all-migrations.spec.ts

97 lines
2.9 KiB
TypeScript

/**
* @license
* Copyright Google Inc. 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 {getSystemPath, normalize, virtualFs} from '@angular-devkit/core';
import {TempScopedNodeJsSyncHost} from '@angular-devkit/core/node/testing';
import {HostTree} from '@angular-devkit/schematics';
import {SchematicTestRunner, UnitTestTree} from '@angular-devkit/schematics/testing';
import * as shx from 'shelljs';
describe('all migrations', () => {
let runner: SchematicTestRunner;
let host: TempScopedNodeJsSyncHost;
let tree: UnitTestTree;
let tmpDirPath: string;
let previousWorkingDir: string;
const migrationCollectionPath = require.resolve('../migrations.json');
const allMigrationSchematics = Object.keys(require(migrationCollectionPath).schematics);
beforeEach(() => {
runner = new SchematicTestRunner('test', migrationCollectionPath);
host = new TempScopedNodeJsSyncHost();
tree = new UnitTestTree(new HostTree(host));
writeFile('/node_modules/@angular/core/index.d.ts', `export const MODULE: any;`);
writeFile('/angular.json', JSON.stringify({
projects: {t: {architect: {build: {options: {tsConfig: './tsconfig.json'}}}}}
}));
writeFile('/tsconfig.json', `{}`);
previousWorkingDir = shx.pwd();
tmpDirPath = getSystemPath(host.root);
// Switch into the temporary directory path. This allows us to run
// the schematic against our custom unit test tree.
shx.cd(tmpDirPath);
});
afterEach(() => {
shx.cd(previousWorkingDir);
shx.rm('-r', tmpDirPath);
});
function writeFile(filePath: string, contents: string) {
host.sync.write(normalize(filePath), virtualFs.stringToFileBuffer(contents));
}
async function runMigration(migrationName: string) {
await runner.runSchematicAsync(migrationName, undefined, tree).toPromise();
}
if (!allMigrationSchematics.length) {
throw Error('No migration schematics found.');
}
allMigrationSchematics.forEach(name => {
describe(name, () => createTests(name));
});
function createTests(migrationName: string) {
// Regression test for: https://github.com/angular/angular/issues/36346.
it('should not throw if non-existent symbols are imported with rootDirs', async () => {
writeFile(`/tsconfig.json`, JSON.stringify({
compilerOptions: {
rootDirs: [
'./generated',
]
}
}));
writeFile('/index.ts', `
import {Renderer} from '@angular/core';
const variableDecl: Renderer = null;
export class Test {
constructor(renderer: Renderer) {}
}
`);
let error: any = null;
try {
await runMigration(migrationName);
} catch (e) {
error = e;
}
expect(error).toBe(null);
});
}
});