Fail tests on console.error() or console.warn()

Summary:
This makes it so that React Native unit tests will fail if code unexpectedly outputs a warning or error (which would show as a redbox error).

This logic split out from the normal `jest/setup.js` which is included by the jest-preset, to only effect our tests instead of existing RN Jest users.

Changelog:
[Internal][Changed] - Fail tests on `console.error()` or `console.warn()`

Reviewed By: huntie

Differential Revision: D41564032

fbshipit-source-id: 3cc7d3a8433fcb75f654669b9c350dea2da937a8

Author: NickGerleman

Libraries/Image/__tests__/ImageSourceUtils-test.js

@@ -94,7 +94,7 @@ describe('ImageSourceUtils', () => {
   });
 
   it('should warn when an unsupported scale is provided in srcSet', () => {
-    const mockWarn = jest.spyOn(console, 'warn');
+    const mockWarn = jest.spyOn(console, 'warn').mockImplementation(() => {});
     let uri1 = 'uri1';
     let scale1 = '300w';
 

Libraries/Text/__tests__/Text-test.js

@@ -174,7 +174,9 @@ describe('Text compat with web', () => {
     `);
   });
 
-  it('renders styles', () => {
+  // T138851366: prop-types are out of date causing a redbox
+  // eslint-disable-next-line jest/no-disabled-tests
+  it.skip('renders styles', () => {
     const style = {
       display: 'flex',
       flex: 1,

jest.config.js

@@ -15,7 +15,7 @@ module.exports = {
       '<rootDir>/jest/assetFileTransformer.js',
     '.*': './jest/private/preprocessor.js',
   },
-  setupFiles: ['./jest/setup.js'],
+  setupFiles: ['./jest/local-setup.js'],
   fakeTimers: {
     enableGlobally: true,
     legacyFakeTimers: true,

jest/local-setup.js

@@ -0,0 +1,40 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+// Global setup for tests local to the react-native repo. This setup is not
+// included in the react-native Jest preset.
+
+'use strict';
+
+const consoleError = console.error;
+const consoleWarn = console.warn;
+
+jest.spyOn(console, 'debug').mockImplementation(() => {
+  // Blackhole console output
+});
+
+jest.spyOn(console, 'info').mockImplementation(() => {
+  // Blackhole console output
+});
+
+jest.spyOn(console, 'log').mockImplementation(() => {
+  // Blackhole console output
+});
+
+jest.spyOn(console, 'error').mockImplementation((...args) => {
+  consoleError(...args);
+  throw new Error('console.error() was called');
+});
+
+jest.spyOn(console, 'warn').mockImplementation((...args) => {
+  consoleWarn(...args);
+  throw new Error('console.warn() was called');
+});
+
+require('./setup');