/
init.spec.ts
98 lines (84 loc) · 2.81 KB
/
init.spec.ts
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import {
addDependenciesToPackageJson,
NxJsonConfiguration,
readJson,
Tree,
updateJson,
} from '@nrwl/devkit';
import { createTreeWithEmptyWorkspace } from '@nrwl/devkit/testing';
import { nxVersion } from '../../utils/versions';
import webInitGenerator from './init';
describe('init', () => {
let tree: Tree;
beforeEach(() => {
tree = createTreeWithEmptyWorkspace();
});
it('should add web dependencies', async () => {
const existing = 'existing';
const existingVersion = '1.0.0';
addDependenciesToPackageJson(
tree,
{
'@nrwl/web': nxVersion,
[existing]: existingVersion,
},
{
[existing]: existingVersion,
}
);
await webInitGenerator(tree, {});
const packageJson = readJson(tree, 'package.json');
expect(packageJson.devDependencies['@nrwl/web']).toBeDefined();
expect(packageJson.devDependencies[existing]).toBeDefined();
expect(packageJson.dependencies['@nrwl/web']).toBeUndefined();
expect(packageJson.dependencies[existing]).toBeDefined();
});
describe('defaultCollection', () => {
it('should be set if none was set before', async () => {
await webInitGenerator(tree, {});
const { cli } = readJson<NxJsonConfiguration>(tree, 'nx.json');
expect(cli.defaultCollection).toEqual('@nrwl/web');
});
});
it('should not add jest config if unitTestRunner is none', async () => {
await webInitGenerator(tree, {
unitTestRunner: 'none',
});
expect(tree.exists('jest.config.js')).toBe(false);
});
describe('babel config', () => {
it('should create babel config if not present', async () => {
await webInitGenerator(tree, {
unitTestRunner: 'none',
});
expect(tree.exists('babel.config.json')).toBe(true);
});
it('should not overwrite existing babel config', async () => {
tree.write('babel.config.json', '{ "preset": ["preset-awesome"] }');
await webInitGenerator(tree, {
unitTestRunner: 'none',
});
const existing = readJson(tree, 'babel.config.json');
expect(existing).toEqual({ preset: ['preset-awesome'] });
});
it('should not overwrite existing babel config (.js)', async () => {
tree.write('/babel.config.js', 'module.exports = () => {};');
await webInitGenerator(tree, {
unitTestRunner: 'none',
});
expect(tree.exists('babel.config.json')).toBe(false);
});
it('should not fail when dependencies is missing from package.json and no other init generators are invoked', async () => {
updateJson(tree, 'package.json', (json) => {
delete json.dependencies;
return json;
});
expect(
webInitGenerator(tree, {
e2eTestRunner: 'none',
unitTestRunner: 'none',
})
).resolves.toBeTruthy();
});
});
});