import { checkFilesDoNotExist, cleanupProject, createFile, newProject, runCLI, runCypressTests, uniq, updateFile, updateProjectConfig, removeFile, checkFilesExist, } from '../../utils'; import { names } from '@nx/devkit'; import { join } from 'path'; describe('Angular Cypress Component Tests', () => { let projectName: string; const appName = uniq('cy-angular-app'); const usedInAppLibName = uniq('cy-angular-lib'); const buildableLibName = uniq('cy-angular-buildable-lib'); beforeAll(async () => { projectName = newProject({ name: uniq('cy-ng') }); createApp(appName); createLib(projectName, appName, usedInAppLibName); useLibInApp(projectName, appName, usedInAppLibName); createBuildableLib(projectName, buildableLibName); useWorkspaceAssetsInApp(appName); }); afterAll(() => cleanupProject()); it('should test app', () => { runCLI( `generate @nx/angular:cypress-component-configuration --project=${appName} --generate-tests --no-interactive` ); if (runCypressTests()) { expect(runCLI(`component-test ${appName} --no-watch`)).toContain( 'All specs passed!' ); } }, 300_000); it('should successfully component test lib being used in app', () => { runCLI( `generate @nx/angular:cypress-component-configuration --project=${usedInAppLibName} --generate-tests --no-interactive` ); if (runCypressTests()) { expect(runCLI(`component-test ${usedInAppLibName} --no-watch`)).toContain( 'All specs passed!' ); } }, 300_000); it('should test buildable lib not being used in app', () => { expect(() => { // should error since no edge in graph between lib and app runCLI( `generate @nx/angular:cypress-component-configuration --project=${buildableLibName} --generate-tests --no-interactive` ); }).toThrow(); updateTestToAssertTailwindIsNotApplied(buildableLibName); runCLI( `generate @nx/angular:cypress-component-configuration --project=${buildableLibName} --generate-tests --build-target=${appName}:build --no-interactive` ); if (runCypressTests()) { expect(runCLI(`component-test ${buildableLibName} --no-watch`)).toContain( 'All specs passed!' ); } // add tailwind runCLI(`generate @nx/angular:setup-tailwind --project=${buildableLibName}`); updateFile( `libs/${buildableLibName}/src/lib/input/input.component.cy.ts`, (content) => { // text-green-500 should now apply return content.replace('rgb(0, 0, 0)', 'rgb(34, 197, 94)'); } ); updateFile( `libs/${buildableLibName}/src/lib/input-standalone/input-standalone.component.cy.ts`, (content) => { // text-green-500 should now apply return content.replace('rgb(0, 0, 0)', 'rgb(34, 197, 94)'); } ); if (runCypressTests()) { expect(runCLI(`component-test ${buildableLibName} --no-watch`)).toContain( 'All specs passed!' ); checkFilesDoNotExist(`tmp/libs/${buildableLibName}/ct-styles.css`); } }, 300_000); it('should test lib with implicit dep on buildTarget', () => { // creates graph like buildableLib -> lib -> app // updates the apps styles and they should apply to the buildableLib // even though app is not directly connected to buildableLib useBuildableLibInLib(projectName, buildableLibName, usedInAppLibName); updateBuilableLibTestsToAssertAppStyles(appName, buildableLibName); if (runCypressTests()) { expect(runCLI(`component-test ${buildableLibName} --no-watch`)).toContain( 'All specs passed!' ); } }); it('should use root level tailwinds config', () => { useRootLevelTailwindConfig( join('libs', buildableLibName, 'tailwind.config.js') ); checkFilesExist('tailwind.config.js'); checkFilesDoNotExist(`libs/${buildableLibName}/tailwind.config.js`); if (runCypressTests()) { expect(runCLI(`component-test ${buildableLibName} --no-watch`)).toContain( 'All specs passed!' ); } }); }); function createApp(appName: string) { runCLI(`generate @nx/angular:app ${appName} --no-interactive`); runCLI( `generate @nx/angular:component fancy-component --project=${appName} --no-interactive` ); } function createLib(projectName: string, appName: string, libName: string) { runCLI(`generate @nx/angular:lib ${libName} --no-interactive`); runCLI( `generate @nx/angular:component btn --project=${libName} --inlineTemplate --inlineStyle --export --no-interactive` ); runCLI( `generate @nx/angular:component btn-standalone --project=${libName} --inlineTemplate --inlineStyle --export --standalone --no-interactive` ); updateFile( `libs/${libName}/src/lib/btn/btn.component.ts`, ` import { Component, Input } from '@angular/core'; @Component({ selector: '${projectName}-btn', template: '', styles: [] }) export class BtnComponent { @Input() text = 'something'; } ` ); updateFile( `libs/${libName}/src/lib/btn-standalone/btn-standalone.component.ts`, ` import { Component, Input } from '@angular/core'; import { CommonModule } from '@angular/common'; @Component({ selector: '${projectName}-btn-standalone', standalone: true, imports: [CommonModule], template: '', styles: [], }) export class BtnStandaloneComponent { @Input() text = 'something'; } ` ); } function createBuildableLib(projectName: string, libName: string) { // create lib runCLI(`generate @nx/angular:lib ${libName} --buildable --no-interactive`); // create cmp for lib runCLI( `generate @nx/angular:component input --project=${libName} --inlineTemplate --inlineStyle --export --no-interactive` ); // create standlone cmp for lib runCLI( `generate @nx/angular:component input-standalone --project=${libName} --inlineTemplate --inlineStyle --export --standalone --no-interactive` ); // update cmp implmentation to use tailwind clasasserting in tests updateFile( `libs/${libName}/src/lib/input/input.component.ts`, ` import {Component, Input} from '@angular/core'; @Component({ selector: '${projectName}-input', template: \`\`, styles : [] }) export class InputComponent{ @Input() readOnly = false; } ` ); updateFile( `libs/${libName}/src/lib/input-standalone/input-standalone.component.ts`, ` import {Component, Input} from '@angular/core'; import {CommonModule} from '@angular/common'; @Component({ selector: '${projectName}-input-standalone', standalone: true, imports: [CommonModule], template: \`\`, styles : [] }) export class InputStandaloneComponent{ @Input() readOnly = false; } ` ); } function useLibInApp(projectName: string, appName: string, libName: string) { createFile( `apps/${appName}/src/app/app.component.html`, ` <${projectName}-btn> <${projectName}-btn-standalone> <${projectName}-nx-welcome> ` ); const btnModuleName = names(libName).className; updateFile( `apps/${appName}/src/app/app.component.scss`, ` @use 'styleguide' as *; h1 { @include headline; }` ); updateFile( `apps/${appName}/src/app/app.module.ts`, ` import { NgModule } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import {${btnModuleName}Module} from "@${projectName}/${libName}"; import { AppComponent } from './app.component'; import { NxWelcomeComponent } from './nx-welcome.component'; @NgModule({ declarations: [AppComponent, NxWelcomeComponent], imports: [BrowserModule, ${btnModuleName}Module], providers: [], bootstrap: [AppComponent], }) export class AppModule {} ` ); } function useWorkspaceAssetsInApp(appName: string) { // make sure assets from the workspace root work. createFile('libs/assets/data.json', JSON.stringify({ data: 'data' })); createFile( 'assets/styles/styleguide.scss', ` @mixin headline { font-weight: bold; color: darkkhaki; background: lightcoral; font-weight: 24px; } ` ); updateProjectConfig(appName, (config) => { config.targets['build'].options.stylePreprocessorOptions = { includePaths: ['assets/styles'], }; config.targets['build'].options.assets.push({ glob: '**/*', input: 'libs/assets', output: 'assets', }); return config; }); } function updateTestToAssertTailwindIsNotApplied(libName: string) { createFile( `libs/${libName}/src/lib/input/input.component.cy.ts`, ` import { MountConfig } from 'cypress/angular'; import { InputComponent } from './input.component'; describe(InputComponent.name, () => { const config: MountConfig = { declarations: [], imports: [], providers: [], }; it('renders', () => { cy.mount(InputComponent, config); // make sure tailwind isn't getting applied cy.get('label').should('have.css', 'color', 'rgb(0, 0, 0)'); }); it('should be readonly', () => { cy.mount(InputComponent, { ...config, componentProperties: { readOnly: true, }, }); cy.get('input').should('have.attr', 'readonly'); }); }); ` ); createFile( `libs/${libName}/src/lib/input-standalone/input-standalone.component.cy.ts`, ` import { MountConfig } from 'cypress/angular'; import { InputStandaloneComponent } from './input-standalone.component'; describe(InputStandaloneComponent.name, () => { const config: MountConfig = { declarations: [], imports: [], providers: [], }; it('renders', () => { cy.mount(InputStandaloneComponent, config); // make sure tailwind isn't getting applied cy.get('label').should('have.css', 'color', 'rgb(0, 0, 0)'); }); it('should be readonly', () => { cy.mount(InputStandaloneComponent, { ...config, componentProperties: { readOnly: true, }, }); cy.get('input').should('have.attr', 'readonly'); }); }); ` ); } function useBuildableLibInLib( projectName: string, buildableLibName: string, libName: string ) { const buildLibNames = names(buildableLibName); // use the buildable lib in lib so now buildableLib has an indirect dep on app updateFile( `libs/${libName}/src/lib/btn-standalone/btn-standalone.component.ts`, ` import { Component, Input } from '@angular/core'; import { CommonModule } from '@angular/common'; import { InputStandaloneComponent } from '@${projectName}/${buildLibNames.fileName}'; @Component({ selector: '${projectName}-btn-standalone', standalone: true, imports: [CommonModule, InputStandaloneComponent], template: '${projectName} <${projectName}-input-standalone>', styles: [], }) export class BtnStandaloneComponent { @Input() text = 'something'; } ` ); } function updateBuilableLibTestsToAssertAppStyles( appName: string, buildableLibName: string ) { updateFile( `apps/${appName}/src/styles.css`, `label {color: pink !important;}` ); removeFile(`libs/${buildableLibName}/src/lib/input/input.component.cy.ts`); updateFile( `libs/${buildableLibName}/src/lib/input-standalone/input-standalone.component.cy.ts`, (content) => { // app styles should now apply return content.replace('rgb(34, 197, 94)', 'rgb(255, 192, 203)'); } ); } function useRootLevelTailwindConfig(existingConfigPath: string) { createFile( 'tailwind.config.js', `const { join } = require('path'); /** @type {import('tailwindcss').Config} */ module.exports = { content: [join(__dirname, '**/*.{html,js,ts}')], theme: { extend: {}, }, plugins: [], }; ` ); removeFile(existingConfigPath); }