Charles Lyding bb43e0a7c4 test(@schematics/angular): update several tests to use async expectations
Using Jasmine's `expectAsync` allows for reduced test code when testing that
a function returning a promise rejects with a specific error.
2022-06-14 11:28:21 +02:00

441 lines
20 KiB
TypeScript

/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import { SchematicTestRunner, UnitTestTree } from '@angular-devkit/schematics/testing';
import { Style as AppStyle, Schema as ApplicationOptions } from '../application/schema';
import { createAppModule } from '../utility/test';
import { Schema as WorkspaceOptions } from '../workspace/schema';
import { ChangeDetection, Schema as ComponentOptions, Style } from './schema';
describe('Component Schematic', () => {
const schematicRunner = new SchematicTestRunner(
'@schematics/angular',
require.resolve('../collection.json'),
);
const defaultOptions: ComponentOptions = {
name: 'foo',
// path: 'src/app',
inlineStyle: false,
inlineTemplate: false,
displayBlock: false,
changeDetection: ChangeDetection.Default,
style: Style.Css,
type: 'Component',
skipTests: false,
module: undefined,
export: false,
project: 'bar',
};
const workspaceOptions: WorkspaceOptions = {
name: 'workspace',
newProjectRoot: 'projects',
version: '6.0.0',
};
const appOptions: ApplicationOptions = {
name: 'bar',
inlineStyle: false,
inlineTemplate: false,
routing: false,
style: AppStyle.Css,
skipTests: false,
skipPackageJson: false,
};
let appTree: UnitTestTree;
beforeEach(async () => {
appTree = await schematicRunner.runSchematicAsync('workspace', workspaceOptions).toPromise();
appTree = await schematicRunner
.runSchematicAsync('application', appOptions, appTree)
.toPromise();
});
it('should create a component', async () => {
const options = { ...defaultOptions };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const files = tree.files;
expect(files).toEqual(
jasmine.arrayContaining([
'/projects/bar/src/app/foo/foo.component.css',
'/projects/bar/src/app/foo/foo.component.html',
'/projects/bar/src/app/foo/foo.component.spec.ts',
'/projects/bar/src/app/foo/foo.component.ts',
]),
);
const moduleContent = tree.readContent('/projects/bar/src/app/app.module.ts');
expect(moduleContent).toMatch(/import.*Foo.*from '.\/foo\/foo.component'/);
expect(moduleContent).toMatch(/declarations:\s*\[[^\]]+?,\r?\n\s+FooComponent\r?\n/m);
});
it('should set change detection to OnPush', async () => {
const options = { ...defaultOptions, changeDetection: 'OnPush' };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const tsContent = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
expect(tsContent).toMatch(/changeDetection: ChangeDetectionStrategy.OnPush/);
});
it('should not set view encapsulation', async () => {
const options = { ...defaultOptions };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const tsContent = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
expect(tsContent).not.toMatch(/encapsulation: ViewEncapsulation/);
});
it('should set view encapsulation to Emulated', async () => {
const options = { ...defaultOptions, viewEncapsulation: 'Emulated' };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const tsContent = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
expect(tsContent).toMatch(/encapsulation: ViewEncapsulation.Emulated/);
});
it('should set view encapsulation to None', async () => {
const options = { ...defaultOptions, viewEncapsulation: 'None' };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const tsContent = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
expect(tsContent).toMatch(/encapsulation: ViewEncapsulation.None/);
});
it('should create a flat component', async () => {
const options = { ...defaultOptions, flat: true };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const files = tree.files;
expect(files).toEqual(
jasmine.arrayContaining([
'/projects/bar/src/app/foo.component.css',
'/projects/bar/src/app/foo.component.html',
'/projects/bar/src/app/foo.component.spec.ts',
'/projects/bar/src/app/foo.component.ts',
]),
);
});
it('should find the closest module', async () => {
const options = { ...defaultOptions };
const fooModule = '/projects/bar/src/app/foo/foo.module.ts';
appTree.create(
fooModule,
`
import { NgModule } from '@angular/core';
@NgModule({
imports: [],
declarations: []
})
export class FooModule { }
`,
);
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const fooModuleContent = tree.readContent(fooModule);
expect(fooModuleContent).toMatch(/import { FooComponent } from '.\/foo.component'/);
});
it('should export the component', async () => {
const options = { ...defaultOptions, export: true };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const appModuleContent = tree.readContent('/projects/bar/src/app/app.module.ts');
expect(appModuleContent).toMatch(/exports: \[\n(\s*) {2}FooComponent\n\1\]/);
});
it('should import into a specified module', async () => {
const options = { ...defaultOptions, module: 'app.module.ts' };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const appModule = tree.readContent('/projects/bar/src/app/app.module.ts');
expect(appModule).toMatch(/import { FooComponent } from '.\/foo\/foo.component'/);
});
it('should fail if specified module does not exist', async () => {
const options = { ...defaultOptions, module: '/projects/bar/src/app.moduleXXX.ts' };
await expectAsync(
schematicRunner.runSchematicAsync('component', options, appTree).toPromise(),
).toBeRejected();
});
it('should handle upper case paths', async () => {
const pathOption = 'projects/bar/src/app/SOME/UPPER/DIR';
const options = { ...defaultOptions, path: pathOption };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
let files = tree.files;
let root = `/${pathOption}/foo/foo.component`;
expect(files).toEqual(
jasmine.arrayContaining([`${root}.css`, `${root}.html`, `${root}.spec.ts`, `${root}.ts`]),
);
const options2 = { ...options, name: 'BAR' };
const tree2 = await schematicRunner.runSchematicAsync('component', options2, tree).toPromise();
files = tree2.files;
root = `/${pathOption}/bar/bar.component`;
expect(files).toEqual(
jasmine.arrayContaining([`${root}.css`, `${root}.html`, `${root}.spec.ts`, `${root}.ts`]),
);
});
it('should create a component in a sub-directory', async () => {
const options = { ...defaultOptions, path: 'projects/bar/src/app/a/b/c' };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const files = tree.files;
const root = `/${options.path}/foo/foo.component`;
expect(files).toEqual(
jasmine.arrayContaining([`${root}.css`, `${root}.html`, `${root}.spec.ts`, `${root}.ts`]),
);
});
it('should use the prefix', async () => {
const options = { ...defaultOptions, prefix: 'pre' };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
expect(content).toMatch(/selector: 'pre-foo'/);
});
it('should error when name starts with a digit', async () => {
const options = { ...defaultOptions, name: '1-one' };
await expectAsync(
schematicRunner.runSchematicAsync('component', options, appTree).toPromise(),
).toBeRejectedWithError('Selector (app-1-one) is invalid.');
});
it('should use the default project prefix if none is passed', async () => {
const options = { ...defaultOptions, prefix: undefined };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
expect(content).toMatch(/selector: 'app-foo'/);
});
it('should use the supplied prefix if it is ""', async () => {
const options = { ...defaultOptions, prefix: '' };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
expect(content).toMatch(/selector: 'foo'/);
});
it('should respect the inlineTemplate option', async () => {
const options = { ...defaultOptions, inlineTemplate: true };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
expect(content).toMatch(/template: /);
expect(content).not.toMatch(/templateUrl: /);
expect(tree.files).not.toContain('/projects/bar/src/app/foo/foo.component.html');
});
it('should respect the inlineStyle option', async () => {
const options = { ...defaultOptions, inlineStyle: true };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
expect(content).toMatch(/styles: \[/);
expect(content).not.toMatch(/styleUrls: /);
expect(tree.files).not.toContain('/projects/bar/src/app/foo/foo.component.css');
});
it('should respect the displayBlock option when inlineStyle is `false`', async () => {
const options = { ...defaultOptions, displayBlock: true };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/foo/foo.component.css');
expect(content).toMatch(/:host {\r?\n {2}display: block;\r?\n}/);
});
it('should respect the displayBlock option when inlineStyle is `false` and use correct syntax for `scss`', async () => {
const options = { ...defaultOptions, displayBlock: true, style: 'scss' };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/foo/foo.component.scss');
expect(content).toMatch(/:host {\r?\n {2}display: block;\r?\n}/);
});
it('should respect the displayBlock option when inlineStyle is `false` and use correct syntax for `sass', async () => {
const options = { ...defaultOptions, displayBlock: true, style: 'sass' };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/foo/foo.component.sass');
expect(content).toMatch(/\\:host\r?\n {2}display: block;\r?\n/);
});
it('should respect the displayBlock option when inlineStyle is `true`', async () => {
const options = { ...defaultOptions, displayBlock: true, inlineStyle: true };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
expect(content).toMatch(/:host {\r?\n(\s*)display: block;(\s*)}\r?\n/);
});
it('should respect the style option', async () => {
const options = { ...defaultOptions, style: Style.Sass };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
expect(content).toMatch(/styleUrls: \['.\/foo.component.sass/);
expect(tree.files).toContain('/projects/bar/src/app/foo/foo.component.sass');
expect(tree.files).not.toContain('/projects/bar/src/app/foo/foo.component.css');
});
it('should respect the style=none option', async () => {
const options = { ...defaultOptions, style: Style.None };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
expect(content).not.toMatch(/styleUrls: /);
expect(tree.files).not.toContain('/projects/bar/src/app/foo/foo.component.css');
expect(tree.files).not.toContain('/projects/bar/src/app/foo/foo.component.none');
});
it('should respect the type option', async () => {
const options = { ...defaultOptions, type: 'Route' };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/foo/foo.route.ts');
const testContent = tree.readContent('/projects/bar/src/app/foo/foo.route.spec.ts');
expect(content).toContain('export class FooRoute implements OnInit');
expect(testContent).toContain("describe('FooRoute'");
expect(tree.files).toContain('/projects/bar/src/app/foo/foo.route.css');
expect(tree.files).toContain('/projects/bar/src/app/foo/foo.route.html');
});
it('should allow empty string in the type option', async () => {
const options = { ...defaultOptions, type: '' };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/foo/foo.ts');
const testContent = tree.readContent('/projects/bar/src/app/foo/foo.spec.ts');
expect(content).toContain('export class Foo implements OnInit');
expect(testContent).toContain("describe('Foo'");
expect(tree.files).toContain('/projects/bar/src/app/foo/foo.css');
expect(tree.files).toContain('/projects/bar/src/app/foo/foo.html');
});
it('should use the module flag even if the module is a routing module', async () => {
const routingFileName = 'app-routing.module.ts';
const routingModulePath = `/projects/bar/src/app/${routingFileName}`;
const newTree = createAppModule(appTree, routingModulePath);
const options = { ...defaultOptions, module: routingFileName };
const tree = await schematicRunner.runSchematicAsync('component', options, newTree).toPromise();
const content = tree.readContent(routingModulePath);
expect(content).toMatch(/import { FooComponent } from '.\/foo\/foo.component/);
});
it('should handle a path in the name option', async () => {
const options = { ...defaultOptions, name: 'dir/test-component' };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/app.module.ts');
expect(content).toMatch(
/import { TestComponentComponent } from '\.\/dir\/test-component\/test-component.component'/,
);
});
it('should handle a path in the name and module options', async () => {
appTree = await schematicRunner
.runSchematicAsync('module', { name: 'admin/module', project: 'bar' }, appTree)
.toPromise();
const options = { ...defaultOptions, name: 'other/test-component', module: 'admin/module' };
appTree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = appTree.readContent('/projects/bar/src/app/admin/module/module.module.ts');
expect(content).toMatch(
/import { TestComponentComponent } from '..\/..\/other\/test-component\/test-component.component'/,
);
});
it('should create the right selector with a path in the name', async () => {
const options = { ...defaultOptions, name: 'sub/test' };
appTree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = appTree.readContent('/projects/bar/src/app/sub/test/test.component.ts');
expect(content).toMatch(/selector: 'app-test'/);
});
it('should respect the skipSelector option', async () => {
const options = { ...defaultOptions, name: 'sub/test', skipSelector: true };
appTree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = appTree.readContent('/projects/bar/src/app/sub/test/test.component.ts');
expect(content).not.toMatch(/selector: 'app-test'/);
});
it('should respect the sourceRoot value', async () => {
const config = JSON.parse(appTree.readContent('/angular.json'));
config.projects.bar.sourceRoot = 'projects/bar/custom';
appTree.overwrite('/angular.json', JSON.stringify(config, null, 2));
// should fail without a module in that dir
await expectAsync(
schematicRunner.runSchematicAsync('component', defaultOptions, appTree).toPromise(),
).toBeRejected();
// move the module
appTree.rename('/projects/bar/src/app/app.module.ts', '/projects/bar/custom/app/app.module.ts');
appTree = await schematicRunner
.runSchematicAsync('component', defaultOptions, appTree)
.toPromise();
expect(appTree.files).toContain('/projects/bar/custom/app/foo/foo.component.ts');
});
it('should respect the skipTests option', async () => {
const options = { ...defaultOptions, skipTests: true };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const files = tree.files;
expect(files).toEqual(
jasmine.arrayContaining([
'/projects/bar/src/app/foo/foo.component.css',
'/projects/bar/src/app/foo/foo.component.html',
'/projects/bar/src/app/foo/foo.component.ts',
]),
);
expect(tree.files).not.toContain('/projects/bar/src/app/foo/foo.component.spec.ts');
});
it('should respect templateUrl when style=none and changeDetection=OnPush', async () => {
const options = { ...defaultOptions, style: Style.None, changeDetection: 'OnPush' };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
expect(content).not.toMatch(/styleUrls: /);
expect(content).toMatch(/templateUrl: '.\/foo.component.html',\n/);
expect(content).toMatch(/changeDetection: ChangeDetectionStrategy.OnPush/);
});
it('should respect inlineTemplate when style=none and changeDetection=OnPush', async () => {
const options = {
...defaultOptions,
style: Style.None,
changeDetection: 'OnPush',
inlineTemplate: true,
};
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const content = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
expect(content).not.toMatch(/styleUrls: /);
expect(content).toMatch(/template: `(\n(.|)*){3}\n\s*`,\n/);
expect(content).toMatch(/changeDetection: ChangeDetectionStrategy.OnPush/);
});
it('should create a standalone component', async () => {
const options = { ...defaultOptions, standalone: true };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const moduleContent = tree.readContent('/projects/bar/src/app/app.module.ts');
const componentContent = tree.readContent('/projects/bar/src/app/foo/foo.component.ts');
expect(componentContent).toContain('@angular/common');
expect(componentContent).toContain('class FooComponent');
expect(moduleContent).not.toContain('FooComponent');
expect(componentContent).toContain('standalone: true');
expect(componentContent).toContain('imports: [CommonModule]');
});
it('should declare standalone components in the `imports` of a test', async () => {
const options = { ...defaultOptions, standalone: true };
const tree = await schematicRunner.runSchematicAsync('component', options, appTree).toPromise();
const testContent = tree.readContent('/projects/bar/src/app/foo/foo.component.spec.ts');
expect(testContent).toContain('imports: [ FooComponent ]');
expect(testContent).not.toContain('declarations');
});
});