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generator.spec.ts
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generator.spec.ts
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import { readJson, readProjectConfiguration, Tree } from '@nrwl/devkit';
import { createTreeWithEmptyWorkspace } from '@nrwl/devkit/testing';
import { libraryGenerator } from '@nrwl/js';
import { pluginGenerator } from '../plugin/plugin';
import { generatorGenerator } from './generator';
describe('NxPlugin Generator Generator', () => {
let tree: Tree;
let projectName: string;
beforeEach(async () => {
projectName = 'my-plugin';
tree = createTreeWithEmptyWorkspace(2);
await pluginGenerator(tree, {
name: projectName,
} as any);
});
it('should generate files', async () => {
await generatorGenerator(tree, {
project: projectName,
name: 'my-generator',
unitTestRunner: 'jest',
});
expect(
tree.exists('libs/my-plugin/src/generators/my-generator/schema.d.ts')
).toBeTruthy();
expect(
tree.exists('libs/my-plugin/src/generators/my-generator/schema.json')
).toBeTruthy();
expect(
tree.exists('libs/my-plugin/src/generators/my-generator/generator.ts')
).toBeTruthy();
expect(
tree.exists(
'libs/my-plugin/src/generators/my-generator/generator.spec.ts'
)
).toBeTruthy();
});
it('should update generators.json', async () => {
await generatorGenerator(tree, {
project: projectName,
name: 'my-generator',
description: 'my-generator description',
unitTestRunner: 'jest',
});
const generatorJson = readJson(tree, 'libs/my-plugin/generators.json');
expect(generatorJson.generators['my-generator'].factory).toEqual(
'./src/generators/my-generator/generator'
);
expect(generatorJson.generators['my-generator'].schema).toEqual(
'./src/generators/my-generator/schema.json'
);
expect(generatorJson.generators['my-generator'].description).toEqual(
'my-generator description'
);
});
it('should create generators.json if it is not present', async () => {
await libraryGenerator(tree, {
name: 'test-js-lib',
buildable: true,
});
const libConfig = readProjectConfiguration(tree, 'test-js-lib');
await generatorGenerator(tree, {
project: 'test-js-lib',
name: 'test-generator',
unitTestRunner: 'jest',
});
expect(() =>
tree.exists(`${libConfig.root}/generators.json`)
).not.toThrow();
expect(readJson(tree, `${libConfig.root}/package.json`).generators).toBe(
'generators.json'
);
});
it('should generate default description', async () => {
await generatorGenerator(tree, {
project: projectName,
name: 'my-generator',
unitTestRunner: 'jest',
});
const generatorJson = readJson(tree, 'libs/my-plugin/generators.json');
expect(generatorJson.generators['my-generator'].description).toEqual(
'my-generator generator'
);
});
it('should generate custom description', async () => {
await generatorGenerator(tree, {
project: projectName,
name: 'my-generator',
description: 'my-generator custom description',
unitTestRunner: 'jest',
});
const generatorJson = readJson(tree, 'libs/my-plugin/generators.json');
expect(generatorJson.generators['my-generator'].description).toEqual(
'my-generator custom description'
);
});
describe('--unitTestRunner', () => {
describe('none', () => {
it('should not generate files', async () => {
await generatorGenerator(tree, {
project: projectName,
name: 'my-generator',
description: 'my-generator custom description',
unitTestRunner: 'none',
});
expect(
tree.exists('libs/my-plugin/src/generators/my-generator/generator.ts')
).toBeTruthy();
expect(
tree.exists(
'libs/my-plugin/src/generators/my-generator/generator.spec.ts'
)
).toBeFalsy();
});
});
});
});