/**
 * @license
 * Copyright Google Inc. 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 { Schema as WorkspaceOptions } from "@schematics/angular/workspace/schema";
import { Schema as ApplicationOptions } from "@schematics/angular/application/schema";

const collectionPath = require.resolve("../collection.json");

describe("form", () => {
  const testRunner = new SchematicTestRunner("schematics", collectionPath);
  const workspaceOptions: WorkspaceOptions = {
    name: "example",
    version: "6.0.0",
  };

  describe("example project", () => {
    const appOptions: ApplicationOptions = {
      name: "example",
      inlineStyle: false,
      inlineTemplate: false,
      routing: false,
      skipTests: false,
      skipPackageJson: false
    };

    let appTree: UnitTestTree;

    beforeEach(() => {
      appTree = testRunner.runExternalSchematic("@schematics/angular", "workspace", workspaceOptions);
      appTree = testRunner.runExternalSchematic("@schematics/angular", "application", appOptions, appTree);
    });

    it('should create a form component', async () => {
      const options = {...appOptions};
      const tree = await testRunner.runSchematicAsync('form', {...options, name: 'product/product-add', project: options.name}, appTree).toPromise();
      expect(tree.files).toEqual(
        jasmine.arrayContaining([
          "/example/src/app/product/product-add/product-add.component.css",
          "/example/src/app/product/product-add/product-add.component.html",
          "/example/src/app/product/product-add/product-add.component.ts",
        ]));
    });

    it('should find the closest module', () => {
      const options = { ...appOptions };
      const productModule = "/example/src/app/product/product.module.ts";
      appTree.create(productModule, `
        import { NgModule } from '@angular/core';
        @NgModule({
          imports: [],
          declarations: []
        })
        export class ProductModule { }
      `);

      const tree = testRunner.runSchematic('form', { ...options, name: 'product/product-add', project: options.name }, appTree);
      const productModuleContent = tree.readContent(productModule);
      expect(productModuleContent).toMatch("import { ProductAddComponent } from './product-add/product-add.component'");
    });

    it('should set the entry component', () => {
      const options = { ...appOptions, entryComponent: true };

      const tree = testRunner.runSchematic('form', { ...options, name: 'product/product-add', project: options.name }, appTree);
      const appModuleContent = tree.readContent('/example/src/app/app.module.ts');
      expect(appModuleContent).toMatch(/entryComponents: \[ProductAddComponent\]/);
    });

  });
});