diff --git a/CHANGELOG.md b/CHANGELOG.md index 016da2e36835..78824e63b280 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -2,6 +2,8 @@ ### Features +* `[jest-editor-support]` Add `coverage` option to runner + ([#5836](https://github.com/facebook/jest/pull/5836)) * `[expect]` Improve output format for mismatchedArgs in mock/spy calls. ([#5846](https://github.com/facebook/jest/pull/5846)) * `[jest-cli]` Add support for using `--coverage` in combination with watch diff --git a/packages/jest-editor-support/src/Runner.js b/packages/jest-editor-support/src/Runner.js index 4acfa3873b8e..c51e08adb4b7 100644 --- a/packages/jest-editor-support/src/Runner.js +++ b/packages/jest-editor-support/src/Runner.js @@ -66,6 +66,12 @@ export default class Runner extends EventEmitter { if (this.options.testFileNamePattern) { args.push(this.options.testFileNamePattern); } + if (this.options.coverage === true) { + args.push('--coverage'); + } + if (this.options.coverage === false) { + args.push('--no-coverage'); + } const options = { shell: this.options.shell, diff --git a/packages/jest-editor-support/src/__tests__/runner.test.js b/packages/jest-editor-support/src/__tests__/runner.test.js index 3253d1be9150..22e618809c87 100644 --- a/packages/jest-editor-support/src/__tests__/runner.test.js +++ b/packages/jest-editor-support/src/__tests__/runner.test.js @@ -180,6 +180,45 @@ describe('Runner', () => { expect((createProcess: any).mock.calls[0][1]).toContain('--watch'); }); + it('calls createProcess with the --coverage arg when provided', () => { + const expected = '--coverage'; + + const workspace: any = {}; + const options = {coverage: true}; + const sut = new Runner(workspace, options); + sut.start(false); + + const args = (createProcess: any).mock.calls[0][1]; + const index = args.indexOf(expected); + expect(index).not.toBe(-1); + }); + + it('calls createProcess with the ---no-coverage arg when provided and false', () => { + const expected = '--no-coverage'; + + const workspace: any = {}; + const options = {coverage: false}; + const sut = new Runner(workspace, options); + sut.start(false); + + const args = (createProcess: any).mock.calls[0][1]; + const index = args.indexOf(expected); + expect(index).not.toBe(-1); + }); + + it('calls createProcess without the --coverage arg when undefined', () => { + const expected = '--coverage'; + + const workspace: any = {}; + const options = {}; + const sut = new Runner(workspace, options); + sut.start(false); + + const args = (createProcess: any).mock.calls[0][1]; + const index = args.indexOf(expected); + expect(index).toBe(-1); + }); + it('calls createProcess with the --testNamePattern arg when provided', () => { const expected = 'testNamePattern'; diff --git a/packages/jest-editor-support/src/types.js b/packages/jest-editor-support/src/types.js index 22debbe9296d..e8708eb2133f 100644 --- a/packages/jest-editor-support/src/types.js +++ b/packages/jest-editor-support/src/types.js @@ -20,6 +20,7 @@ import type {ChildProcess} from 'child_process'; import type ProjectWorkspace from './project_workspace'; export type Options = { + coverage?: boolean, createProcess?: ( workspace: ProjectWorkspace, args: Array,