/
library.spec.ts
736 lines (676 loc) · 23 KB
/
library.spec.ts
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import {
getProjects,
readJson,
readProjectConfiguration,
Tree,
updateJson,
} from '@nrwl/devkit';
import { createTreeWithEmptyWorkspace } from '@nrwl/devkit/testing';
import { LibraryGeneratorSchema } from '../../utils/schema';
import libraryGenerator from './library';
describe('lib', () => {
let tree: Tree;
const defaultOptions: Omit<LibraryGeneratorSchema, 'name'> = {
skipTsConfig: false,
unitTestRunner: 'jest',
skipFormat: false,
linter: 'eslint',
testEnvironment: 'jsdom',
js: false,
pascalCaseFiles: false,
strict: true,
config: 'project',
};
beforeEach(() => {
tree = createTreeWithEmptyWorkspace(2);
});
describe('configs', () => {
it('should generate an empty ts lib using --config=npm-scripts', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
config: 'npm-scripts',
});
expect(readJson(tree, '/libs/my-lib/package.json')).toEqual({
name: '@proj/my-lib',
version: '0.0.1',
type: 'commonjs',
scripts: {
build: "echo 'implement build'",
test: "echo 'implement test'",
},
});
expect(tree.exists('libs/my-lib/src/index.ts')).toBeTruthy();
expect(tree.exists('libs/my-lib/src/lib/my-lib.ts')).toBeTruthy();
// unitTestRunner property is ignored.
// It only works with our executors.
expect(tree.exists('libs/my-lib/src/lib/my-lib.spec.ts')).toBeFalsy();
const workspaceJson = readJson(tree, '/workspace.json');
// Blocked on Craigory merging optional config PR
// expect(workspaceJson.projects['my-lib']).toBeUndefined();
// expect(tree.exists('libs/my-lib/project.json')).toBeFalsy();
});
it('should generate an empty ts lib using --config=project', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'my-lib',
config: 'project',
});
const workspaceJsonEntry = readJson(tree, 'workspace.json').projects[
'my-lib'
];
const projectConfig = readProjectConfiguration(tree, 'my-lib');
expect(projectConfig.root).toEqual('libs/my-lib');
expect(workspaceJsonEntry).toEqual('libs/my-lib');
});
it('should generate an empty ts lib using --config=workspace', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'my-lib',
config: 'workspace',
});
const workspaceJsonEntry = readJson(tree, 'workspace.json').projects[
'my-lib'
];
const projectConfig = readProjectConfiguration(tree, 'my-lib');
expect(projectConfig.root).toEqual('libs/my-lib');
expect(projectConfig).toMatchObject(workspaceJsonEntry);
});
});
describe('shared options', () => {
describe('not-nested', () => {
it('should update tags', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
tags: 'one,two',
});
const projects = Object.fromEntries(getProjects(tree));
expect(projects).toMatchObject({
'my-lib': {
tags: ['one', 'two'],
},
});
});
it('should update root tsconfig.json', async () => {
await libraryGenerator(tree, { ...defaultOptions, name: 'myLib' });
const tsconfigJson = readJson(tree, '/tsconfig.base.json');
expect(tsconfigJson.compilerOptions.paths['@proj/my-lib']).toEqual([
'libs/my-lib/src/index.ts',
]);
});
it('should update root tsconfig.json (no existing path mappings)', async () => {
updateJson(tree, 'tsconfig.base.json', (json) => {
json.compilerOptions.paths = undefined;
return json;
});
await libraryGenerator(tree, { ...defaultOptions, name: 'myLib' });
const tsconfigJson = readJson(tree, '/tsconfig.base.json');
expect(tsconfigJson.compilerOptions.paths['@proj/my-lib']).toEqual([
'libs/my-lib/src/index.ts',
]);
});
it('should create a local tsconfig.json', async () => {
await libraryGenerator(tree, { ...defaultOptions, name: 'myLib' });
const tsconfigJson = readJson(tree, 'libs/my-lib/tsconfig.json');
expect(tsconfigJson).toMatchInlineSnapshot(`
Object {
"compilerOptions": Object {
"forceConsistentCasingInFileNames": true,
"module": "CommonJS",
"noFallthroughCasesInSwitch": true,
"noImplicitOverride": true,
"noImplicitReturns": true,
"noPropertyAccessFromIndexSignature": true,
"strict": true,
},
"extends": "../../tsconfig.base.json",
"files": Array [],
"include": Array [],
"references": Array [
Object {
"path": "./tsconfig.lib.json",
},
Object {
"path": "./tsconfig.spec.json",
},
],
}
`);
});
});
describe('nested', () => {
it('should update tags', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
directory: 'myDir',
tags: 'one',
});
let projects = Object.fromEntries(getProjects(tree));
expect(projects).toMatchObject({
'my-dir-my-lib': {
tags: ['one'],
},
});
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib2',
directory: 'myDir',
tags: 'one,two',
simpleModuleName: true,
});
projects = Object.fromEntries(getProjects(tree));
expect(projects).toMatchObject({
'my-dir-my-lib': {
tags: ['one'],
},
'my-dir-my-lib2': {
tags: ['one', 'two'],
},
});
});
it('should generate files', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
directory: 'myDir',
});
expect(tree.exists(`libs/my-dir/my-lib/jest.config.js`)).toBeTruthy();
expect(tree.exists('libs/my-dir/my-lib/src/index.ts')).toBeTruthy();
expect(
tree.exists('libs/my-dir/my-lib/src/lib/my-dir-my-lib.ts')
).toBeTruthy();
expect(
tree.exists('libs/my-dir/my-lib/src/lib/my-dir-my-lib.spec.ts')
).toBeTruthy();
expect(tree.exists('libs/my-dir/my-lib/src/index.ts')).toBeTruthy();
expect(tree.exists(`libs/my-dir/my-lib/.eslintrc.json`)).toBeTruthy();
expect(tree.exists(`libs/my-dir/my-lib/package.json`)).toBeFalsy();
});
it('should update workspace.json', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
directory: 'myDir',
config: 'workspace',
});
const workspaceJson = readJson(tree, '/workspace.json');
expect(workspaceJson.projects['my-dir-my-lib'].root).toEqual(
'libs/my-dir/my-lib'
);
});
it('should update tsconfig.json', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
directory: 'myDir',
});
const tsconfigJson = readJson(tree, '/tsconfig.base.json');
expect(
tsconfigJson.compilerOptions.paths['@proj/my-dir/my-lib']
).toEqual(['libs/my-dir/my-lib/src/index.ts']);
expect(
tsconfigJson.compilerOptions.paths['my-dir-my-lib/*']
).toBeUndefined();
});
it('should create a local tsconfig.json', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
directory: 'myDir',
});
const tsconfigJson = readJson(tree, 'libs/my-dir/my-lib/tsconfig.json');
expect(tsconfigJson.references).toEqual([
{
path: './tsconfig.lib.json',
},
{
path: './tsconfig.spec.json',
},
]);
});
});
describe('--no-strict', () => {
it('should update the projects tsconfig with strict false', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
strict: false,
});
const tsconfigJson = readJson(tree, '/libs/my-lib/tsconfig.json');
expect(
tsconfigJson.compilerOptions?.forceConsistentCasingInFileNames
).not.toBeDefined();
expect(tsconfigJson.compilerOptions?.strict).not.toBeDefined();
expect(
tsconfigJson.compilerOptions?.noImplicitOverride
).not.toBeDefined();
expect(
tsconfigJson.compilerOptions?.noPropertyAccessFromIndexSignature
).not.toBeDefined();
expect(
tsconfigJson.compilerOptions?.noImplicitReturns
).not.toBeDefined();
expect(
tsconfigJson.compilerOptions?.noFallthroughCasesInSwitch
).not.toBeDefined();
});
it('should default to strict true', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
});
const tsconfigJson = readJson(tree, '/libs/my-lib/tsconfig.json');
expect(tsconfigJson.compilerOptions.strict).toBeTruthy();
expect(
tsconfigJson.compilerOptions.forceConsistentCasingInFileNames
).toBeTruthy();
expect(tsconfigJson.compilerOptions.noImplicitReturns).toBeTruthy();
expect(
tsconfigJson.compilerOptions.noFallthroughCasesInSwitch
).toBeTruthy();
});
});
describe('--importPath', () => {
it('should update the tsconfig with the given import path', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
directory: 'myDir',
importPath: '@myorg/lib',
});
const tsconfigJson = readJson(tree, '/tsconfig.base.json');
expect(tsconfigJson.compilerOptions.paths['@myorg/lib']).toBeDefined();
});
it('should fail if the same importPath has already been used', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib1',
importPath: '@myorg/lib',
});
try {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib2',
importPath: '@myorg/lib',
});
} catch (e) {
expect(e.message).toContain(
'You already have a library using the import path'
);
}
expect.assertions(1);
});
});
describe('--pascalCaseFiles', () => {
it('should generate files with upper case names', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
pascalCaseFiles: true,
});
expect(tree.exists('libs/my-lib/src/lib/MyLib.ts')).toBeTruthy();
expect(tree.exists('libs/my-lib/src/lib/MyLib.spec.ts')).toBeTruthy();
});
it('should generate files with upper case names for nested libs as well', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
directory: 'myDir',
pascalCaseFiles: true,
});
expect(
tree.exists('libs/my-dir/my-lib/src/lib/MyDirMyLib.ts')
).toBeTruthy();
expect(
tree.exists('libs/my-dir/my-lib/src/lib/MyDirMyLib.spec.ts')
).toBeTruthy();
});
});
});
describe('--linter', () => {
it('should add eslint dependencies', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
});
const packageJson = readJson(tree, 'package.json');
expect(packageJson.devDependencies['eslint']).toBeDefined();
expect(packageJson.devDependencies['@nrwl/linter']).toBeDefined();
expect(
packageJson.devDependencies['@nrwl/eslint-plugin-nx']
).toBeDefined();
});
describe('not nested', () => {
it('should update configuration', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
});
expect(readProjectConfiguration(tree, 'my-lib').targets.lint).toEqual({
executor: '@nrwl/linter:eslint',
outputs: ['{options.outputFile}'],
options: {
lintFilePatterns: ['libs/my-lib/**/*.ts'],
},
});
});
it('should create a local .eslintrc.json', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
});
const eslintJson = readJson(tree, 'libs/my-lib/.eslintrc.json');
expect(eslintJson).toMatchInlineSnapshot(`
Object {
"extends": Array [
"../../.eslintrc.json",
],
"ignorePatterns": Array [
"!**/*",
],
"overrides": Array [
Object {
"files": Array [
"*.ts",
"*.tsx",
"*.js",
"*.jsx",
],
"rules": Object {},
},
Object {
"files": Array [
"*.ts",
"*.tsx",
],
"rules": Object {},
},
Object {
"files": Array [
"*.js",
"*.jsx",
],
"rules": Object {},
},
],
}
`);
});
});
describe('nested', () => {
it('should update configuration', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
directory: 'myDir',
});
expect(
readProjectConfiguration(tree, 'my-dir-my-lib').targets.lint
).toEqual({
executor: '@nrwl/linter:eslint',
outputs: ['{options.outputFile}'],
options: {
lintFilePatterns: ['libs/my-dir/my-lib/**/*.ts'],
},
});
});
it('should create a local .eslintrc.json', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
directory: 'myDir',
});
const eslintJson = readJson(tree, 'libs/my-dir/my-lib/.eslintrc.json');
expect(eslintJson).toMatchInlineSnapshot(`
Object {
"extends": Array [
"../../../.eslintrc.json",
],
"ignorePatterns": Array [
"!**/*",
],
"overrides": Array [
Object {
"files": Array [
"*.ts",
"*.tsx",
"*.js",
"*.jsx",
],
"rules": Object {},
},
Object {
"files": Array [
"*.ts",
"*.tsx",
],
"rules": Object {},
},
Object {
"files": Array [
"*.js",
"*.jsx",
],
"rules": Object {},
},
],
}
`);
});
});
describe('--js flag', () => {
it('should generate js files instead of ts files', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
js: true,
});
expect(tree.exists(`libs/my-lib/jest.config.js`)).toBeTruthy();
expect(tree.exists('libs/my-lib/src/index.js')).toBeTruthy();
expect(tree.exists('libs/my-lib/src/lib/my-lib.js')).toBeTruthy();
expect(tree.exists('libs/my-lib/src/lib/my-lib.spec.js')).toBeTruthy();
});
it('should update tsconfig.json with compilerOptions.allowJs: true', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
js: true,
});
expect(
readJson(tree, 'libs/my-lib/tsconfig.json').compilerOptions.allowJs
).toBeTruthy();
});
it('should update tsconfig.lib.json include with **/*.js glob', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
js: true,
});
expect(readJson(tree, 'libs/my-lib/tsconfig.lib.json').include).toEqual(
['**/*.ts', '**/*.js']
);
});
it('should update root tsconfig.json with a js file path', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
js: true,
});
const tsconfigJson = readJson(tree, '/tsconfig.base.json');
expect(tsconfigJson.compilerOptions.paths['@proj/my-lib']).toEqual([
'libs/my-lib/src/index.js',
]);
});
it('should generate js files for nested libs as well', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
directory: 'myDir',
js: true,
});
expect(tree.exists(`libs/my-dir/my-lib/jest.config.js`)).toBeTruthy();
expect(tree.exists('libs/my-dir/my-lib/src/index.js')).toBeTruthy();
expect(
tree.exists('libs/my-dir/my-lib/src/lib/my-dir-my-lib.js')
).toBeTruthy();
expect(
tree.exists('libs/my-dir/my-lib/src/lib/my-dir-my-lib.spec.js')
).toBeTruthy();
expect(tree.exists('libs/my-dir/my-lib/src/index.js')).toBeTruthy();
});
it('should configure the project for linting js files', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
directory: 'myDir',
js: true,
});
expect(
readProjectConfiguration(tree, 'my-dir-my-lib').targets.lint.options
.lintFilePatterns
).toEqual(['libs/my-dir/my-lib/**/*.js']);
expect(readJson(tree, 'libs/my-dir/my-lib/.eslintrc.json'))
.toMatchInlineSnapshot(`
Object {
"extends": Array [
"../../../.eslintrc.json",
],
"ignorePatterns": Array [
"!**/*",
],
"overrides": Array [
Object {
"files": Array [
"*.ts",
"*.tsx",
"*.js",
"*.jsx",
],
"rules": Object {},
},
Object {
"files": Array [
"*.ts",
"*.tsx",
],
"rules": Object {},
},
Object {
"files": Array [
"*.js",
"*.jsx",
],
"rules": Object {},
},
],
}
`);
});
});
});
describe('--unit-test-runner jest', () => {
it('should generate test configuration', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
unitTestRunner: 'jest',
});
expect(tree.exists('libs/my-lib/tsconfig.spec.json')).toBeTruthy();
expect(tree.exists('libs/my-lib/jest.config.js')).toBeTruthy();
expect(tree.exists('libs/my-lib/src/lib/my-lib.spec.ts')).toBeTruthy();
const projectConfig = readProjectConfiguration(tree, 'my-lib');
expect(projectConfig.targets.test).toBeDefined();
expect(tree.exists(`libs/my-lib/jest.config.js`)).toBeTruthy();
expect(tree.read(`libs/my-lib/jest.config.js`, 'utf-8'))
.toMatchInlineSnapshot(`
"module.exports = {
displayName: 'my-lib',
preset: '../../jest.preset.js',
globals: {
'ts-jest': {
tsconfig: '<rootDir>/tsconfig.spec.json',
}
},
transform: {
'^.+\\\\\\\\.[tj]s$': 'ts-jest'
},
moduleFileExtensions: ['ts', 'js', 'html'],
coverageDirectory: '../../coverage/libs/my-lib'
};
"
`);
const readme = tree.read('libs/my-lib/README.md', 'utf-8');
expect(readme).toContain('nx test my-lib');
});
describe('--buildable', () => {
it('should generate the build target', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
buildable: true,
compiler: 'tsc',
});
const config = readProjectConfiguration(tree, 'my-lib');
expect(config.targets.build).toEqual({
executor: '@nrwl/js:tsc',
options: {
assets: ['libs/my-lib/*.md'],
main: 'libs/my-lib/src/index.ts',
outputPath: 'dist/libs/my-lib',
tsConfig: 'libs/my-lib/tsconfig.lib.json',
},
outputs: ['{options.outputPath}'],
});
});
it('should generate the build target for swc', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
buildable: true,
compiler: 'swc',
});
const config = readProjectConfiguration(tree, 'my-lib');
expect(config.targets.build).toEqual({
executor: '@nrwl/js:swc',
options: {
assets: ['libs/my-lib/*.md'],
main: 'libs/my-lib/src/index.ts',
outputPath: 'dist/libs/my-lib',
tsConfig: 'libs/my-lib/tsconfig.lib.json',
},
outputs: ['{options.outputPath}'],
});
});
it('should generate swcrc for swc', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
buildable: true,
compiler: 'swc',
});
expect(tree.exists('libs/my-lib/.swcrc')).toBeTruthy();
});
it('should setup jest project using swc', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
buildable: true,
compiler: 'swc',
});
const jestConfig = tree.read('libs/my-lib/jest.config.js').toString();
expect(jestConfig).toContain('@swc/jest');
});
it('should generate a package.json file', async () => {
await libraryGenerator(tree, {
...defaultOptions,
name: 'myLib',
buildable: true,
compiler: 'tsc',
});
expect(tree.exists('libs/my-lib/package.json')).toBeTruthy();
});
});
});
});