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feat(testing): update to jest-preset-angular v8.0.0
Updates to jest-preset-angular to v8.0.0, includes migrations to fix any existing projects affected by the jest-preset-angular update. closes nrwl#1979
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155 changes: 155 additions & 0 deletions
155
packages/jest/src/migrations/update-8-8-0/update-8-8-0.spec.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| import { Tree } from '@angular-devkit/schematics'; | ||
| import { readJsonInTree } from '@nrwl/workspace/src/utils/ast-utils'; | ||
| import { SchematicTestRunner } from '@angular-devkit/schematics/testing'; | ||
| import * as path from 'path'; | ||
| import { createEmptyWorkspace } from '@nrwl/workspace/testing'; | ||
| import { serializeJson } from '@nrwl/workspace'; | ||
|
|
||
| describe.only('Update 8.8.0', () => { | ||
| let initialTree: Tree; | ||
| let schematicRunner: SchematicTestRunner; | ||
|
|
||
| beforeEach(async () => { | ||
| initialTree = createEmptyWorkspace(Tree.empty()); | ||
|
|
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| schematicRunner = new SchematicTestRunner( | ||
| '@nrwl/jest', | ||
| path.join(__dirname, '../../../migrations.json') | ||
| ); | ||
|
|
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| initialTree.overwrite( | ||
| 'package.json', | ||
| serializeJson({ devDependencies: { 'jest-preset-angular': '7.0.0' } }) | ||
| ); | ||
|
|
||
| initialTree.overwrite( | ||
| 'workspace.json', | ||
| serializeJson({ | ||
| projects: { | ||
| 'angular-one': { | ||
| root: 'apps/angular-one/', | ||
| architect: { | ||
| test: { | ||
| builder: '@nrwl/jest:jest', | ||
| options: { | ||
| jestConfig: 'apps/angular-one/jest.config.js' | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| 'angular-two': { | ||
| root: 'apps/angular-two/', | ||
| architect: { | ||
| test: { | ||
| builder: '@nrwl/jest:jest', | ||
| options: { | ||
| jestConfig: 'apps/angular-two/jest.config.js' | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| 'non-angular-one': { | ||
| root: 'apps/non-angular-one/', | ||
| architect: { | ||
| test: { | ||
| builder: '@nrwl/jest:jest', | ||
| options: { | ||
| jestConfig: 'apps/non-angular-one/jest.config.js' | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| }) | ||
| ); | ||
|
|
||
| initialTree.create( | ||
| 'apps/angular-one/jest.config.js', | ||
| `module.exports = { | ||
| name: 'angular-one', | ||
| preset: '../../jest.config.js', | ||
| coverageDirectory: | ||
| '../../coverage/apps/angular-one', | ||
| snapshotSerializers: [ | ||
| 'jest-preset-angular/AngularSnapshotSerializer.js', | ||
| 'jest-preset-angular/HTMLCommentSerializer.js' | ||
| ] | ||
| };` | ||
| ); | ||
|
|
||
| initialTree.create( | ||
| 'apps/angular-two/jest.config.js', | ||
| `module.exports = { | ||
| name: 'angular-two', | ||
| preset: '../../jest.config.js', | ||
| coverageDirectory: | ||
| '../../coverage/apps/angular-two', | ||
| snapshotSerializers: [ | ||
| 'jest-preset-angular/AngularSnapshotSerializer.js', | ||
| 'jest-preset-angular/HTMLCommentSerializer.js' | ||
| ] | ||
| };` | ||
| ); | ||
|
|
||
| initialTree.create( | ||
| 'apps/non-angular-one/jest.config.js', | ||
| `module.exports = { | ||
| name: 'non-angular-one', | ||
| preset: '../../jest.config.js', | ||
| coverageDirectory: | ||
| '../../coverage/apps/non-angular-one', | ||
| moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'html'] | ||
| };` | ||
| ); | ||
| }); | ||
|
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| it('should update jest-preset-angular to 8.0.0', async () => { | ||
| const result = await schematicRunner | ||
| .runSchematicAsync('update-8.8.0', {}, initialTree) | ||
| .toPromise(); | ||
|
|
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| const { devDependencies } = readJsonInTree(result, 'package.json'); | ||
| expect(devDependencies['jest-preset-angular']).toEqual('8.0.0'); | ||
| }); | ||
|
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| it(`it should add '/build' into jest-preset-angular snapshotSerializers in any jest.config.js where it exists`, async () => { | ||
| const result = await schematicRunner | ||
| .runSchematicAsync('update-8.8.0', {}, initialTree) | ||
| .toPromise(); | ||
|
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| const updateJestAngularOne = result.readContent( | ||
| 'apps/angular-one/jest.config.js' | ||
| ); | ||
| const updateJestAngularTwo = result.readContent( | ||
| 'apps/angular-two/jest.config.js' | ||
| ); | ||
| const updateJestNonAngularOne = result.readContent( | ||
| 'apps/non-angular-one/jest.config.js' | ||
| ); | ||
|
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| expect(updateJestAngularOne).not.toContain( | ||
| 'jest-preset-angular/AngularSnapshotSerializer.js' | ||
| ); | ||
| expect(updateJestAngularOne).not.toContain( | ||
| 'jest-preset-angular/HTMLCommentSerializer.js' | ||
| ); | ||
| expect(updateJestAngularTwo).not.toContain( | ||
| 'jest-preset-angular/AngularSnapshotSerializer.js' | ||
| ); | ||
| expect(updateJestAngularTwo).not.toContain( | ||
| 'jest-preset-angular/HTMLCommentSerializer.js' | ||
| ); | ||
| expect(updateJestAngularOne).toContain( | ||
| 'jest-preset-angular/build/AngularSnapshotSerializer.js' | ||
| ); | ||
| expect(updateJestAngularOne).toContain( | ||
| 'jest-preset-angular/build/HTMLCommentSerializer.js' | ||
| ); | ||
| expect(updateJestAngularTwo).toContain( | ||
| 'jest-preset-angular/build/AngularSnapshotSerializer.js' | ||
| ); | ||
| expect(updateJestAngularTwo).toContain( | ||
| 'jest-preset-angular/build/HTMLCommentSerializer.js' | ||
| ); | ||
| }); | ||
| }); |
119 changes: 119 additions & 0 deletions
119
packages/jest/src/migrations/update-8-8-0/update-8-8-0.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| import { | ||
| Tree, | ||
| Rule, | ||
| chain, | ||
| SchematicContext | ||
| } from '@angular-devkit/schematics'; | ||
| import { readWorkspace, insert, formatFiles } from '@nrwl/workspace'; | ||
| import * as ts from 'typescript'; | ||
| import { | ||
| ReplaceChange, | ||
| updateJsonInTree, | ||
| readJsonInTree, | ||
| getSourceNodes | ||
| } from '@nrwl/workspace/src/utils/ast-utils'; | ||
| import { stripIndents } from '@angular-devkit/core/src/utils/literals'; | ||
|
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| export default function update(): Rule { | ||
| return chain([ | ||
| displayInformation, | ||
| updateDependencies, | ||
| updateJestConfigs, | ||
| formatFiles() | ||
| ]); | ||
| } | ||
|
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| function displayInformation(host: Tree, context: SchematicContext) { | ||
| const config = readJsonInTree(host, 'package.json'); | ||
| if (config.devDependencies && config.devDependencies['jest-preset-angular']) { | ||
| context.logger.info(stripIndents` | ||
| \`jest-preset-angular\` 8.0.0 has restructured folders, introducing breaking changes to | ||
| jest.config.js files. | ||
| We are updating snapshotSerializers in each Angular project to include appropriate paths. | ||
| See: https://github.com/thymikee/jest-preset-angular/releases/tag/v8.0.0 | ||
| `); | ||
| } | ||
| } | ||
|
|
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| const updateDependencies = updateJsonInTree('package.json', json => { | ||
| json.devDependencies = json.devDependencies || {}; | ||
|
|
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| if (json.devDependencies['jest-preset-angular']) { | ||
| json.devDependencies['jest-preset-angular'] = '8.0.0'; | ||
| } | ||
|
|
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| return json; | ||
| }); | ||
|
|
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| function updateJestConfigs(host: Tree) { | ||
| const config = readJsonInTree(host, 'package.json'); | ||
|
|
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| if (config.devDependencies && config.devDependencies['jest-preset-angular']) { | ||
| const workspaceConfig = readWorkspace(host); | ||
| const jestConfigsToUpdate = []; | ||
|
|
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| Object.keys(workspaceConfig.projects).forEach(name => { | ||
| const project = workspaceConfig.projects[name]; | ||
| if ( | ||
| project.architect && | ||
| project.architect.test && | ||
| project.architect.test.builder === '@nrwl/jest:jest' && | ||
| project.architect.test.options && | ||
| project.architect.test.options.jestConfig === | ||
| project.root + 'jest.config.js' | ||
| ) { | ||
| jestConfigsToUpdate.push(project.root + 'jest.config.js'); | ||
| } | ||
| }); | ||
|
|
||
| jestConfigsToUpdate.forEach(configPath => { | ||
| if (host.exists(configPath)) { | ||
| const contents = host.read(configPath).toString(); | ||
| const sourceFile = ts.createSourceFile( | ||
| configPath, | ||
| contents, | ||
| ts.ScriptTarget.Latest | ||
| ); | ||
|
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| const changes: ReplaceChange[] = []; | ||
|
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| getSourceNodes(sourceFile).forEach(node => { | ||
| if (node && ts.isStringLiteral(node)) { | ||
| const nodeText = node.text; | ||
| if ( | ||
| nodeText === 'jest-preset-angular/AngularSnapshotSerializer.js' | ||
| ) { | ||
| changes.push( | ||
| new ReplaceChange( | ||
| configPath, | ||
| node.getStart(sourceFile) + 1, | ||
| nodeText, | ||
| 'jest-preset-angular/build/AngularSnapshotSerializer.js' | ||
| ) | ||
| ); | ||
| } | ||
|
|
||
| if (nodeText === 'jest-preset-angular/HTMLCommentSerializer.js') { | ||
| changes.push( | ||
| new ReplaceChange( | ||
| configPath, | ||
| node.getStart(sourceFile) + 1, | ||
| nodeText, | ||
| 'jest-preset-angular/build/HTMLCommentSerializer.js' | ||
| ) | ||
| ); | ||
| } | ||
| } | ||
| }); | ||
|
|
||
| insert( | ||
| host, | ||
| configPath, | ||
| changes.sort((a, b) => (a.order > b.order ? -1 : 1)) | ||
| ); | ||
| } | ||
| }); | ||
| } | ||
| } |
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