angular-cn/aio/tools/examples/example-boilerplate.spec.js

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const path = require('canonical-path');
const fs = require('fs-extra');
const glob = require('glob');
const shelljs = require('shelljs');
const exampleBoilerPlate = require('./example-boilerplate');
describe('example-boilerplate tool', () => {
describe('add', () => {
const sharedDir = path.resolve(__dirname, 'shared');
const sharedNodeModulesDir = path.resolve(sharedDir, 'node_modules');
const BPFiles = {
cli: 19,
i18n: 2,
universal: 2,
systemjs: 7,
common: 1
};
const exampleFolders = ['a/b', 'c/d'];
beforeEach(() => {
spyOn(fs, 'ensureSymlinkSync');
spyOn(fs, 'existsSync').and.returnValue(true);
spyOn(exampleBoilerPlate, 'copyFile');
spyOn(exampleBoilerPlate, 'getFoldersContaining').and.returnValue(exampleFolders);
spyOn(exampleBoilerPlate, 'loadJsonFile').and.returnValue({});
});
it('should process all the example folders', () => {
const examplesDir = path.resolve(__dirname, '../../content/examples');
exampleBoilerPlate.add();
expect(exampleBoilerPlate.getFoldersContaining)
.toHaveBeenCalledWith(examplesDir, 'example-config.json', 'node_modules');
});
it('should symlink the node_modules', () => {
exampleBoilerPlate.add();
expect(fs.ensureSymlinkSync).toHaveBeenCalledTimes(exampleFolders.length);
expect(fs.ensureSymlinkSync).toHaveBeenCalledWith(sharedNodeModulesDir, path.resolve('a/b/node_modules'));
expect(fs.ensureSymlinkSync).toHaveBeenCalledWith(sharedNodeModulesDir, path.resolve('c/d/node_modules'));
});
it('should error if the node_modules folder is missing', () => {
fs.existsSync.and.returnValue(false);
expect(() => exampleBoilerPlate.add()).toThrowError(
`The shared node_modules folder for the examples (${sharedNodeModulesDir}) is missing.\n` +
`Perhaps you need to run "yarn example-use-npm" or "yarn example-use-local" to install the dependencies?`);
expect(fs.ensureSymlinkSync).not.toHaveBeenCalled();
});
it('should copy all the source boilerplate files for systemjs', () => {
const boilerplateDir = path.resolve(sharedDir, 'boilerplate');
exampleBoilerPlate.loadJsonFile.and.callFake(filePath => filePath.indexOf('a/b') !== -1 ? { projectType: 'systemjs' } : {})
exampleBoilerPlate.add();
expect(exampleBoilerPlate.copyFile).toHaveBeenCalledTimes(
(BPFiles.cli) +
(BPFiles.systemjs) +
(BPFiles.common * exampleFolders.length)
);
// for example
expect(exampleBoilerPlate.copyFile).toHaveBeenCalledWith(`${boilerplateDir}/systemjs`, 'a/b', 'package.json');
expect(exampleBoilerPlate.copyFile).toHaveBeenCalledWith(`${boilerplateDir}/common`, 'a/b', 'src/styles.css');
});
it('should copy all the source boilerplate files for cli', () => {
const boilerplateDir = path.resolve(sharedDir, 'boilerplate');
exampleBoilerPlate.add();
expect(exampleBoilerPlate.copyFile).toHaveBeenCalledTimes(
(BPFiles.cli * exampleFolders.length) +
(BPFiles.common * exampleFolders.length)
);
// for example
expect(exampleBoilerPlate.copyFile).toHaveBeenCalledWith(`${boilerplateDir}/cli`, 'a/b', 'package.json');
expect(exampleBoilerPlate.copyFile).toHaveBeenCalledWith(`${boilerplateDir}/common`, 'c/d', 'src/styles.css');
});
it('should copy all the source boilerplate files for i18n', () => {
const boilerplateDir = path.resolve(sharedDir, 'boilerplate');
exampleBoilerPlate.loadJsonFile.and.callFake(filePath => filePath.indexOf('a/b') !== -1 ? { projectType: 'i18n' } : {})
exampleBoilerPlate.add();
expect(exampleBoilerPlate.copyFile).toHaveBeenCalledTimes(
(BPFiles.cli + BPFiles.i18n) +
(BPFiles.cli) +
(BPFiles.common * exampleFolders.length)
);
// for example
expect(exampleBoilerPlate.copyFile).toHaveBeenCalledWith(`${boilerplateDir}/i18n`, 'a/b', '../cli/angular.json');
expect(exampleBoilerPlate.copyFile).toHaveBeenCalledWith(`${boilerplateDir}/i18n`, 'a/b', 'package.json');
expect(exampleBoilerPlate.copyFile).toHaveBeenCalledWith(`${boilerplateDir}/common`, 'c/d', 'src/styles.css');
});
it('should copy all the source boilerplate files for universal', () => {
const boilerplateDir = path.resolve(sharedDir, 'boilerplate');
exampleBoilerPlate.loadJsonFile.and.callFake(filePath => filePath.indexOf('a/b') !== -1 ? { projectType: 'universal' } : {})
exampleBoilerPlate.add();
expect(exampleBoilerPlate.copyFile).toHaveBeenCalledTimes(
(BPFiles.cli + BPFiles.universal) +
(BPFiles.cli) +
(BPFiles.common * exampleFolders.length)
);
// for example
expect(exampleBoilerPlate.copyFile).toHaveBeenCalledWith(`${boilerplateDir}/universal`, 'a/b', '../cli/tslint.json');
expect(exampleBoilerPlate.copyFile).toHaveBeenCalledWith(`${boilerplateDir}/universal`, 'a/b', 'angular.json');
expect(exampleBoilerPlate.copyFile).toHaveBeenCalledWith(`${boilerplateDir}/common`, 'c/d', 'src/styles.css');
});
it('should try to load the example config file', () => {
exampleBoilerPlate.add();
expect(exampleBoilerPlate.loadJsonFile).toHaveBeenCalledTimes(exampleFolders.length);
expect(exampleBoilerPlate.loadJsonFile).toHaveBeenCalledWith(path.resolve('a/b/example-config.json'));
expect(exampleBoilerPlate.loadJsonFile).toHaveBeenCalledWith(path.resolve('c/d/example-config.json'));
});
});
describe('remove', () => {
it('should run `git clean`', () => {
spyOn(shelljs, 'exec');
exampleBoilerPlate.remove();
expect(shelljs.exec).toHaveBeenCalledWith('git clean -xdfq', {cwd: path.resolve(__dirname, '../../content/examples') });
});
});
describe('getFoldersContaining', () => {
it('should use glob.sync', () => {
spyOn(glob, 'sync').and.returnValue(['a/b/config.json', 'c/d/config.json']);
const result = exampleBoilerPlate.getFoldersContaining('base/path', 'config.json', 'node_modules');
expect(glob.sync).toHaveBeenCalledWith(path.resolve('base/path/**/config.json'), { ignore: [path.resolve('base/path/**/node_modules/**')] });
expect(result).toEqual(['a/b', 'c/d']);
});
});
describe('copyFile', () => {
it('should use copySync and chmodSync', () => {
spyOn(fs, 'copySync');
spyOn(fs, 'chmodSync');
exampleBoilerPlate.copyFile('source/folder', 'destination/folder', 'some/file/path');
expect(fs.copySync).toHaveBeenCalledWith(
path.resolve('source/folder/some/file/path'),
path.resolve('destination/folder/some/file/path'),
{ overwrite: true });
expect(fs.chmodSync).toHaveBeenCalledWith(path.resolve('destination/folder/some/file/path'), 444);
});
});
describe('loadJsonFile', () => {
it('should use fs.readJsonSync', () => {
spyOn(fs, 'readJsonSync').and.returnValue({ some: 'value' });
const result = exampleBoilerPlate.loadJsonFile('some/file');
expect(fs.readJsonSync).toHaveBeenCalledWith('some/file', {throws: false});
expect(result).toEqual({ some: 'value' });
});
it('should return an empty object if readJsonSync fails', () => {
spyOn(fs, 'readJsonSync').and.returnValue(null);
const result = exampleBoilerPlate.loadJsonFile('some/file');
expect(result).toEqual({});
});
});
});