Support transforming testRunner with preset/transform (#8823)

Author: Mark1626

CHANGELOG.md

@@ -7,6 +7,7 @@
 - `[jest-snapshot]`: [**BREAKING**] Make prettier optional for inline snapshots - fall back to string replacement ([#7792](https://github.com/facebook/jest/pull/7792))
 - `[jest-repl, jest-runner]` [**BREAKING**] Run transforms over environment ([#8751](https://github.com/facebook/jest/pull/8751))
 - `[jest-runner]` [**BREAKING**] Run transforms over `runnner` ([#8823](https://github.com/facebook/jest/pull/8823))
+- `[jest-runner]` [**BREAKING**] Run transforms over `testRunnner` ([#8823](https://github.com/facebook/jest/pull/8823))
 
 ### Fixes
 

e2e/__tests__/transform.test.ts

@@ -227,3 +227,14 @@ describe('transform-runner', () => {
     expect(json.numPassedTests).toBe(1);
   });
 });
+
+describe('transform-testrunner', () => {
+  const dir = path.resolve(__dirname, '../transform/transform-testrunner');
+
+  it('should transform testRunner', () => {
+    const {json, stderr} = runWithJson(dir, ['--no-cache']);
+    expect(stderr).toMatch(/PASS/);
+    expect(json.success).toBe(true);
+    expect(json.numPassedTests).toBe(1);
+  });
+});

e2e/async-regenerator/package.json

@@ -6,6 +6,10 @@
     "@babel/polyfill": "^7.2.5"
   },
   "jest": {
-    "testEnvironment": "node"
+    "testEnvironment": "node",
+    "transformIgnorePatterns": [
+      "jest-circus",
+      "jest-jasmine2"
+    ]
   }
 }

e2e/babel-plugin-jest-hoist/package.json

@@ -9,7 +9,9 @@
     "automock": true,
     "testEnvironment": "node",
     "transformIgnorePatterns": [
-      "/jest-environment-node/"
+      "jest-circus",
+      "jest-environment-node",
+      "jest-jasmine2"
     ]
   }
 }

e2e/coverage-transform-instrumented/package.json

@@ -7,7 +7,10 @@
     "testRegex": "/__tests__/.*\\.(js)$",
     "testEnvironment": "node",
     "transformIgnorePatterns": [
-      "/jest-environment-node/"
+      "jest-circus",
+      "jest-each",
+      "jest-environment-node/",
+      "jest-jasmine2"
     ],
     "moduleFileExtensions": [
       "js"

e2e/transform-linked-modules/package.json

@@ -5,7 +5,10 @@
       "/node_modules/",
       "<rootDir>/__tests__",
       "<rootDir>/ignored/",
-      "/jest-environment-node/"
+      "jest-circus",
+      "jest-each",
+      "jest-environment-node",
+      "jest-jasmine2"
     ],
     "transform": {
       "\\.js$": "<rootDir>/preprocessor.js"

e2e/transform/babel-jest-ignored/babel.config.js

@@ -5,4 +5,13 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-module.exports = {only: ['blablabla', /jest-environment-node/]};
+module.exports = {
+  only: [
+    'blablabla',
+    /jest-circus/,
+    /jest-each/,
+    /jest-environment-node/,
+    /jest-jasmine2/,
+    /jest-source-map/,
+  ],
+};

e2e/transform/multiple-transformers/package.json

@@ -7,7 +7,9 @@
     },
     "testEnvironment": "node",
     "transformIgnorePatterns": [
-      "/jest-environment-node/"
+      "jest-circus",
+      "jest-environment-node",
+      "jest-jasmine2"
     ]
   },
   "dependencies": {

e2e/transform/transform-testrunner/__tests__/add.test.js

@@ -0,0 +1,10 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+it('should add two numbers', () => {
+  expect(1 + 1).toBe(2);
+});

e2e/transform/transform-testrunner/babel.config.js

@@ -0,0 +1,13 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+module.exports = {
+  presets: [
+    ['@babel/preset-env', {targets: {node: 'current'}}],
+    '@babel/preset-typescript',
+  ],
+};