chore(jest-core): standardize files name

packages/jest-core/src/__tests__/SearchSource.test.ts

@@ -229,7 +229,7 @@ describe('SearchSource', () => {
         );
         expect(relPaths.sort()).toEqual([
           path.normalize('module.jsx'),
-          path.normalize('no_tests.js'),
+          path.normalize('noTests.js'),
         ]);
       });
     });

packages/jest-core/src/__tests__/__snapshots__/watch.test.js.snap

@@ -51,13 +51,13 @@ Watch Usage
 `;
 
 exports[`Watch mode flows makes watch plugin initialization errors look nice 1`] = `
-[Error: Failed to initialize watch plugin "packages/jest-core/src/__tests__/__fixtures__/watch_plugin_throws":
+[Error: Failed to initialize watch plugin "packages/jest-core/src/__tests__/__fixtures__/watchPluginThrows":
 
   ● Test suite failed to run
 
     initialization error
 
-      at Object.<anonymous> (__fixtures__/watch_plugin_throws.js:8:7)
+      at Object.<anonymous> (__fixtures__/watchPluginThrows.js:8:7)
 ]
 `;
 

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

@@ -11,8 +11,8 @@ import {JestHook, KEYS} from 'jest-watcher';
 import TestWatcher from '../TestWatcher';
 
 const runJestMock = jest.fn();
-const watchPluginPath = `${__dirname}/__fixtures__/watch_plugin`;
-const watchPlugin2Path = `${__dirname}/__fixtures__/watch_plugin2`;
+const watchPluginPath = `${__dirname}/__fixtures__/watchPlugin`;
+const watchPlugin2Path = `${__dirname}/__fixtures__/watchPlugin2`;
 let results;
 
 jest.mock(
@@ -84,10 +84,10 @@ jest.doMock(
   {virtual: true},
 );
 
-const regularUpdateGlobalConfig = require('../lib/update_global_config')
+const regularUpdateGlobalConfig = require('../lib/updateGlobalConfig')
   .default;
 const updateGlobalConfig = jest.fn(regularUpdateGlobalConfig);
-jest.doMock('../lib/update_global_config', () => updateGlobalConfig);
+jest.doMock('../lib/updateGlobalConfig', () => updateGlobalConfig);
 
 const nextTick = () => new Promise(res => process.nextTick(res));
 
@@ -583,7 +583,7 @@ describe('Watch mode flows', () => {
   });
 
   it('makes watch plugin initialization errors look nice', async () => {
-    const pluginPath = `${__dirname}/__fixtures__/watch_plugin_throws`;
+    const pluginPath = `${__dirname}/__fixtures__/watchPluginThrows`;
 
     await expect(
       watch(

packages/jest-core/src/cli/index.ts

@@ -17,15 +17,15 @@ import chalk = require('chalk');
 import rimraf = require('rimraf');
 import exit = require('exit');
 import type {Filter} from '../types';
-import createContext from '../lib/create_context';
+import createContext from '../lib/createContext';
 import getChangedFilesPromise from '../getChangedFilesPromise';
 import {formatHandleErrors} from '../collectHandles';
-import handleDeprecationWarnings from '../lib/handle_deprecation_warnings';
+import handleDeprecationWarnings from '../lib/handleDeprecationWarnings';
 import runJest from '../runJest';
 import TestWatcher from '../TestWatcher';
 import watch from '../watch';
 import pluralize from '../pluralize';
-import logDebugMessages from '../lib/log_debug_messages';
+import logDebugMessages from '../lib/logDebugMessages';
 import getConfigsOfProjectsToRun from '../getConfigsOfProjectsToRun';
 import getProjectNamesMissingWarning from '../getProjectNamesMissingWarning';
 import getSelectProjectsMessage from '../getSelectProjectsMessage';

packages/jest-core/src/lib/__tests__/is_valid_path.test.ts → packages/jest-core/src/lib/__tests__/isValidPath.test.ts

@@ -6,7 +6,7 @@
  */
 
 import * as path from 'path';
-import isValidPath from '../is_valid_path';
+import isValidPath from '../isValidPath';
 import {makeGlobalConfig} from '../../../../../TestUtils';
 
 const rootDir = path.resolve(path.sep, 'root');

packages/jest-core/src/lib/__tests__/log_debug_messages.test.ts → packages/jest-core/src/lib/__tests__/logDebugMessages.test.ts

@@ -7,7 +7,7 @@
  */
 
 import {wrap} from 'jest-snapshot-serializer-raw';
-import logDebugMessages from '../log_debug_messages';
+import logDebugMessages from '../logDebugMessages';
 import {makeGlobalConfig, makeProjectConfig} from '../../../../../TestUtils';
 
 jest.mock('../../../package.json', () => ({version: 123}));

packages/jest-core/src/plugins/test_name_pattern.ts → packages/jest-core/src/plugins/TestNamePattern.ts

@@ -13,7 +13,7 @@ import {
   UsageData,
 } from 'jest-watcher';
 import TestNamePatternPrompt from '../TestNamePatternPrompt';
-import activeFilters from '../lib/active_filters_message';
+import activeFilters from '../lib/activeFiltersMessage';
 
 class TestNamePatternPlugin extends BaseWatchPlugin {
   _prompt: Prompt;

packages/jest-core/src/plugins/test_path_pattern.ts → packages/jest-core/src/plugins/TestPathPattern.ts

@@ -13,7 +13,7 @@ import {
   UsageData,
 } from 'jest-watcher';
 import TestPathPatternPrompt from '../TestPathPatternPrompt';
-import activeFilters from '../lib/active_filters_message';
+import activeFilters from '../lib/activeFiltersMessage';
 
 class TestPathPatternPlugin extends BaseWatchPlugin {
   private _prompt: Prompt;

packages/jest-core/src/watch.ts

@@ -25,23 +25,23 @@ import {
   WatchPluginClass,
 } from 'jest-watcher';
 import getChangedFilesPromise from './getChangedFilesPromise';
-import isValidPath from './lib/is_valid_path';
-import createContext from './lib/create_context';
+import isValidPath from './lib/isValidPath';
+import createContext from './lib/createContext';
 import runJest from './runJest';
-import updateGlobalConfig from './lib/update_global_config';
+import updateGlobalConfig from './lib/updateGlobalConfig';
 import SearchSource from './SearchSource';
 import TestWatcher from './TestWatcher';
 import FailedTestsCache from './FailedTestsCache';
-import TestPathPatternPlugin from './plugins/test_path_pattern';
-import TestNamePatternPlugin from './plugins/test_name_pattern';
-import UpdateSnapshotsPlugin from './plugins/update_snapshots';
-import UpdateSnapshotsInteractivePlugin from './plugins/update_snapshots_interactive';
-import QuitPlugin from './plugins/quit';
+import TestPathPatternPlugin from './plugins/TestPathPattern';
+import TestNamePatternPlugin from './plugins/TestNamePattern';
+import UpdateSnapshotsPlugin from './plugins/UpdateSnapshots';
+import UpdateSnapshotsInteractivePlugin from './plugins/UpdateSnapshotsInteractive';
+import QuitPlugin from './plugins/Quit';
 import {
   filterInteractivePlugins,
   getSortedUsageRows,
-} from './lib/watch_plugins_helpers';
-import activeFilters from './lib/active_filters_message';
+} from './lib/watchPluginsHelpers';
+import activeFilters from './lib/activeFiltersMessage';
 import type {Filter} from './types';
 
 type ReservedInfo = {