Continuation to #3771 for snake case file naming

.eslintrc.js

@@ -9,7 +9,7 @@
 module.exports = {
   extends: [
     './packages/eslint-config-fb-strict/index.js',
-    'plugin:import/errors',
+    'plugin:import/errors'
   ],
   parser: 'babel-eslint',
   rules: {
@@ -20,15 +20,16 @@ module.exports = {
     'max-len': 0,
     'no-multiple-empty-lines': 1,
     'import/no-duplicates': 2,
-    'import/no-unresolved': [2, { ignore: ['^types/'] }],
+    'import/no-unresolved': [2, {ignore: ['^types/']}],
     // This has to be disabled until all type and module imports are combined
     // https://github.com/benmosher/eslint-plugin-import/issues/645
     'import/order': 0,
     // These has to be disabled until the whole code base is converted to ESM
     'import/default': 0,
     'import/named': 0,
+    'unicorn/filename-case': [2, {case: 'snakeCase'}]
   },
-  plugins: ['markdown', 'import'],
+  plugins: ['markdown', 'import', 'unicorn'],
   overrides: [
     // to make it more suitable for running on code examples in docs/ folder
     {
@@ -43,22 +44,31 @@ module.exports = {
         'no-unused-vars': 0,
         'consistent-return': 0,
         'import/no-unresolved': 0,
-        'sort-keys': 0
-      },
+        'sort-keys': 0,
+        'unicorn/filename-case': 0
+      }
     },
     {
       files: ['examples/**/*'],
       rules: {
         'babel/func-params-comma-dangle': 0,
         'import/order': 0,
-        'import/no-unresolved': [2, { 'ignore': ['^react-native$'] }]
-      },
+        'import/no-unresolved': [2, {ignore: ['^react-native$']}],
+        'unicorn/filename-case': 0
+      }
     },
     {
       files: ['scripts/**/*', 'integration_tests/**/*'],
       rules: {
         'babel/func-params-comma-dangle': 0,
-      },
+        'unicorn/filename-case': 0
+      }
     },
-  ],
+    {
+      files: ['**/__mocks__/**/*', 'website/**/*', '**/jest-runtime/**/*', '**/src/Console*'],
+      rules: {
+        'unicorn/filename-case': 0
+      }
+    }
+  ]
 };

examples/react-native/.flowconfig

@@ -26,7 +26,7 @@ experimental.strict_type_args=true
 
 munge_underscores=true
 
-module.name_mapper='^image![a-zA-Z0-9$_-]+$' -> 'GlobalImageStub'
+module.name_mapper='^image![a-zA-Z0-9$_-]+$' -> 'global_image_stub'
 module.name_mapper='^[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\)$' -> 'RelativeImageStub'
 
 suppress_type=$FlowIssue

package.json

@@ -28,6 +28,7 @@
     "eslint-plugin-import": "^2.6.0",
     "eslint-plugin-markdown": "^1.0.0-beta.6",
     "eslint-plugin-react": "^7.1.0",
+    "eslint-plugin-unicorn": "^2.1.2",
     "flow-bin": "^0.48.0",
     "glob": "^7.1.1",
     "graceful-fs": "^4.1.11",
@@ -114,7 +115,7 @@
     "transform": {
       "^.+\\.js$": "<rootDir>/packages/babel-jest"
     },
-    "setupTestFrameworkScriptFile": "<rootDir>/testSetupFile.js",
+    "setupTestFrameworkScriptFile": "<rootDir>/test_setup_file.js",
     "snapshotSerializers": [
       "<rootDir>/packages/pretty-format/build/plugins/convert_ansi.js"
     ],
@@ -130,5 +131,6 @@
     "testMatch": [
       "**/*.test.js"
     ]
-  }
+  },
+  "dependencies": {}
 }

packages/jest-cli/src/__tests__/generate_empty_coverage.test.js

@@ -11,7 +11,7 @@
 
 const os = require('os');
 
-const generateEmptyCoverage = require('../generateEmptyCoverage');
+const generateEmptyCoverage = require('../generate_empty_coverage');
 
 jest.mock('jest-runtime', () => {
   const realRuntime = require.requireActual('jest-runtime');

packages/jest-cli/src/__tests__/search_source.test.js

@@ -34,7 +34,7 @@ describe('SearchSource', () => {
 
   beforeEach(() => {
     Runtime = require('jest-runtime');
-    SearchSource = require('../SearchSource');
+    SearchSource = require('../search_source');
     normalize = require('jest-config').normalize;
   });
 
@@ -415,7 +415,7 @@ describe('SearchSource', () => {
     });
 
     it('returns empty search result if no related tests were found', () => {
-      const input = ['no tests.js'];
+      const input = ['no_tests.js'];
       const data = searchSource.findRelatedTestsFromPattern(input);
       expect(data.tests).toEqual([]);
     });

packages/jest-cli/src/__tests__/test_runner.test.js

@@ -10,9 +10,9 @@
 
 'use strict';
 
-const TestRunner = require('../TestRunner');
-const TestWatcher = require('../TestWatcher');
-const SummaryReporter = require('../reporters/SummaryReporter');
+const TestRunner = require('../test_runner');
+const TestWatcher = require('../test_watcher');
+const SummaryReporter = require('../reporters/summary_reporter');
 
 let workerFarmMock;
 
@@ -27,8 +27,8 @@ jest.mock('worker-farm', () => {
   return mock;
 });
 
-jest.mock('../TestWorker', () => {});
-jest.mock('../reporters/DefaultReporter');
+jest.mock('../test_worker', () => {});
+jest.mock('../reporters/default_reporter');
 
 test('.addReporter() .removeReporter()', () => {
   const runner = new TestRunner({}, {});

packages/jest-cli/src/__tests__/test_sequencer.test.js

@@ -12,7 +12,7 @@ jest.mock('fs');
 const fs = require('fs');
 const path = require('path');
 
-const TestSequencer = require('../TestSequencer');
+const TestSequencer = require('../test_sequencer');
 
 const FAIL = 0;
 const SUCCESS = 1;

packages/jest-cli/src/__tests__/watch.test.js

@@ -11,14 +11,14 @@
 'use strict';
 
 const chalk = require('chalk');
-const TestWatcher = require('../TestWatcher');
+const TestWatcher = require('../test_watcher');
 const {KEYS} = require('../constants');
 
 const runJestMock = jest.fn();
 
 jest.doMock('chalk', () => new chalk.constructor({enabled: false}));
 jest.doMock(
-  '../runJest',
+  '../run_jest',
   () =>
     function() {
       const args = Array.from(arguments);

packages/jest-cli/src/__tests__/watch_filename_pattern_mode.test.js

@@ -28,7 +28,7 @@ jest.mock('ansi-escapes', () => ({
 }));
 
 jest.mock(
-  '../SearchSource',
+  '../search_source',
   () =>
     class {
       constructor(context) {
@@ -68,7 +68,7 @@ jest.doMock('chalk', () =>
 );
 
 jest.doMock(
-  '../runJest',
+  '../run_jest',
   () =>
     function() {
       const args = Array.from(arguments);
@@ -81,7 +81,7 @@ jest.doMock(
     },
 );
 
-jest.doMock('../lib/terminalUtils', () => ({
+jest.doMock('../lib/terminal_utils', () => ({
   getTerminalWidth: () => terminalWidth,
 }));
 

packages/jest-cli/src/__tests__/watch_test_name_pattern_mode.test.js

@@ -28,7 +28,7 @@ jest.mock('ansi-escapes', () => ({
 }));
 
 jest.mock(
-  '../SearchSource',
+  '../search_source',
   () =>
     class {
       findMatchingTests(pattern) {
@@ -44,7 +44,7 @@ jest.doMock('chalk', () =>
 );
 
 jest.doMock(
-  '../runJest',
+  '../run_jest',
   () =>
     function() {
       const args = Array.from(arguments);
@@ -95,7 +95,7 @@ jest.doMock(
     },
 );
 
-jest.doMock('../lib/terminalUtils', () => ({
+jest.doMock('../lib/terminal_utils', () => ({
   getTerminalWidth: () => terminalWidth,
 }));
 

packages/jest-cli/src/cli/index.js

@@ -22,15 +22,15 @@ import {readConfig} from 'jest-config';
 import {version as VERSION} from '../../package.json';
 import args from './args';
 import chalk from 'chalk';
-import createContext from '../lib/createContext';
-import getJest from './getJest';
-import getMaxWorkers from '../lib/getMaxWorkers';
-import handleDeprecationWarnings from '../lib/handleDeprecationWarnings';
-import logDebugMessages from '../lib/logDebugMessages';
-import preRunMessage from '../preRunMessage';
-import runJest from '../runJest';
+import createContext from '../lib/create_context';
+import getJest from './get_jest';
+import getMaxWorkers from '../lib/get_max_workers';
+import handleDeprecationWarnings from '../lib/handle_deprecation_warnings';
+import logDebugMessages from '../lib/log_debug_messages';
+import preRunMessage from '../pre_run_message';
+import runJest from '../run_jest';
 import Runtime from 'jest-runtime';
-import TestWatcher from '../TestWatcher';
+import TestWatcher from '../test_watcher';
 import watch from '../watch';
 import yargs from 'yargs';
 

packages/jest-cli/src/jest.js

@@ -10,9 +10,9 @@
 
 import {version as VERSION} from '../package.json';
 
-import SearchSource from './SearchSource';
-import TestRunner from './TestRunner';
-import TestWatcher from './TestWatcher';
+import SearchSource from './search_source';
+import TestRunner from './test_runner';
+import TestWatcher from './test_watcher';
 import {run, runCLI} from './cli';
 
 module.exports = {

packages/jest-cli/src/lib/__tests__/format_test_name_by_pattern.test.js

@@ -10,7 +10,7 @@
 
 'use strict';
 
-const formatTestNameByPattern = require('../formatTestNameByPattern');
+const formatTestNameByPattern = require('../format_test_name_by_pattern');
 
 describe('for multiline test name returns', () => {
   const testNames = [

packages/jest-cli/src/lib/__tests__/get_max_workers.test.js

@@ -8,7 +8,7 @@
 * @emails oncall+jsinfra
 */
 
-const getMaxWorkers = require('../getMaxWorkers');
+const getMaxWorkers = require('../get_max_workers');
 
 jest.mock('os', () => ({
   cpus: () => ({length: 4}),

packages/jest-cli/src/lib/__tests__/is_valid_path.test.js

@@ -9,7 +9,7 @@
 */
 
 const path = require('path');
-const isValidPath = require('../isValidPath');
+const isValidPath = require('../is_valid_path');
 
 const rootDir = path.resolve(path.sep, 'root');
 

packages/jest-cli/src/lib/__tests__/log_debug_messages.test.js

@@ -10,7 +10,7 @@
 
 'use strict';
 
-const logDebugMessages = require('../logDebugMessages');
+const logDebugMessages = require('../log_debug_messages');
 
 jest.mock('../../../package.json', () => ({version: 123}));
 

packages/jest-cli/src/lib/__tests__/prompt.test.js

@@ -9,7 +9,7 @@
 */
 'use strict';
 
-const Prompt = require('../Prompt');
+const Prompt = require('../prompt');
 let {KEYS} = require('../../constants');
 
 KEYS = Object.assign({}, KEYS, {

packages/jest-cli/src/lib/__tests__/scroll_list.test.js

@@ -1,4 +1,4 @@
-const scroll = require('../scrollList');
+const scroll = require('../scroll_list');
 
 it('When offset is -1', () => {
   expect(scroll(25, {max: 10, offset: -1})).toEqual({

packages/jest-cli/src/lib/__tests__/validate_pattern.test.js

@@ -9,7 +9,7 @@
  */
 'use strict';
 
-const validatePattern = require('../validatePattern');
+const validatePattern = require('../validate_pattern');
 
 describe('validate pattern function', () => {
   it('without passed args returns true', () => {

packages/jest-cli/src/lib/getTestPathPattern.js → packages/jest-cli/src/lib/get_test_path_pattern.js

@@ -9,11 +9,11 @@
  */
 
 import type {Argv} from 'types/Argv';
-import type {TestSelectionConfig} from '../SearchSource';
+import type {TestSelectionConfig} from '../search_source';
 
 import {clearLine} from 'jest-util';
 import chalk from 'chalk';
-import validatePattern from './validatePattern';
+import validatePattern from './validate_pattern';
 
 const DEFAULT_PATTERN_INFO = {
   input: '',

packages/jest-cli/src/lib/patternModeHelpers.js → packages/jest-cli/src/lib/pattern_mode_helpers.js

@@ -13,7 +13,7 @@
 import chalk from 'chalk';
 import ansiEscapes from 'ansi-escapes';
 import stringLength from 'string-length';
-import Prompt from './Prompt';
+import Prompt from './prompt';
 
 const pluralize = (count: number, text: string) =>
   count === 1 ? text : text + 's';

packages/jest-cli/src/lib/Prompt.js → packages/jest-cli/src/lib/prompt.js

@@ -8,7 +8,7 @@
  * @flow
  */
 
-import type {ScrollOptions} from './scrollList';
+import type {ScrollOptions} from './scroll_list';
 
 import {KEYS} from '../constants';
 

packages/jest-cli/src/lib/updateArgv.js → packages/jest-cli/src/lib/update_argv.js

@@ -10,7 +10,7 @@
 
 import type {Argv} from 'types/Argv';
 
-import getTestPathPattern from './getTestPathPattern';
+import getTestPathPattern from './get_test_path_pattern';
 
 type Options = {|
   testNamePattern?: string,

packages/jest-cli/src/PatternPrompt.js → packages/jest-cli/src/pattern_prompt.js

@@ -10,11 +10,11 @@
 
 'use strict';
 
-import type {ScrollOptions} from './lib/scrollList';
+import type {ScrollOptions} from './lib/scroll_list';
 
 import chalk from 'chalk';
 import ansiEscapes from 'ansi-escapes';
-import Prompt from './lib/Prompt';
+import Prompt from './lib/prompt';
 
 const usage = (entity: string) =>
   `\n${chalk.bold('Pattern Mode Usage')}\n` +

packages/jest-cli/src/reporters/__tests__/coverage_reporter.test.js

@@ -25,7 +25,7 @@ beforeEach(() => {
     write: jest.fn(),
   }));
 
-  CoverageReporter = require('../CoverageReporter');
+  CoverageReporter = require('../coverage_reporter');
   libCoverage = require('istanbul-lib-coverage');
   libSourceMaps = require('istanbul-lib-source-maps');
 });