refactor: centralize config update logic

jestjs · Jun 20, 2018 · ca07148 · ca07148
1 parent d43758b
commit ca07148
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Showing 4 changed files with 47 additions and 82 deletions.
diff --git a/packages/jest-cli/src/__tests__/__snapshots__/watch_filename_pattern_mode.test.js.snap b/packages/jest-cli/src/__tests__/__snapshots__/watch_filename_pattern_mode.test.js.snap
@@ -82,15 +82,9 @@ exports[`Watch mode flows Pressing "P" enters pattern mode 8`] = `
 
 exports[`Watch mode flows Pressing "P" enters pattern mode 9`] = `
 Object {
-  "bail": false,
-  "collectCoverage": false,
-  "notify": false,
   "onlyChanged": false,
-  "onlyFailures": false,
   "passWithNoTests": true,
-  "testNamePattern": "",
   "testPathPattern": "p.*3",
-  "verbose": false,
   "watch": true,
   "watchAll": false,
 }

diff --git a/packages/jest-cli/src/__tests__/watch.test.js b/packages/jest-cli/src/__tests__/watch.test.js
@@ -641,7 +641,6 @@ describe('Watch mode flows', () => {
 
     expect(runJestMock.mock.calls[0][0].globalConfig).toMatchObject({
       testNamePattern: 'test',
-      testPathPattern: '',
       watch: true,
       watchAll: false,
     });
@@ -659,7 +658,6 @@ describe('Watch mode flows', () => {
     await nextTick();
 
     expect(runJestMock.mock.calls[0][0].globalConfig).toMatchObject({
-      testNamePattern: '',
       testPathPattern: 'file',
       watch: true,
       watchAll: false,

diff --git a/packages/jest-cli/src/lib/update_global_config.js b/packages/jest-cli/src/lib/update_global_config.js
@@ -7,6 +7,8 @@
  * @flow
  */
 
+import {replacePathSepForRegex} from 'jest-regex-util';
+
 import type {
   GlobalConfig,
   ReporterConfig,
@@ -41,10 +43,6 @@ export default (globalConfig: GlobalConfig, options: Options): GlobalConfig => {
     options = {};
   }
 
-  if (options.updateSnapshot) {
-    newConfig.updateSnapshot = options.updateSnapshot;
-  }
-
   if (options.mode === 'watch') {
     newConfig.watch = true;
     newConfig.watchAll = false;
@@ -53,12 +51,13 @@ export default (globalConfig: GlobalConfig, options: Options): GlobalConfig => {
     newConfig.watchAll = true;
   }
 
-  if ('testPathPattern' in options) {
-    newConfig.testPathPattern = options.testPathPattern || '';
+  if (options.testNamePattern !== undefined) {
+    newConfig.testNamePattern = options.testNamePattern || '';
   }
 
-  if ('testNamePattern' in options) {
-    newConfig.testNamePattern = options.testNamePattern || '';
+  if (options.testPathPattern !== undefined) {
+    newConfig.testPathPattern =
+      replacePathSepForRegex(options.testPathPattern) || '';
   }
 
   newConfig.onlyChanged = false;
@@ -67,55 +66,59 @@ export default (globalConfig: GlobalConfig, options: Options): GlobalConfig => {
     !newConfig.testNamePattern &&
     !newConfig.testPathPattern;
 
-  if (options.noSCM) {
-    newConfig.noSCM = true;
-  }
-
-  if (options.passWithNoTests) {
-    newConfig.passWithNoTests = true;
-  }
-
-  if ('onlyFailures' in options) {
-    newConfig.onlyFailures = options.onlyFailures || false;
-  }
-
-  if ('bail' in options) {
+  if (options.bail !== undefined) {
     newConfig.bail = options.bail || false;
   }
 
-  if ('collectCoverage' in options) {
+  if (options.collectCoverage !== undefined) {
     newConfig.collectCoverage = options.collectCoverage || false;
   }
 
-  if (options.collectCoverageFrom) {
+  if (options.collectCoverageFrom !== undefined) {
     newConfig.collectCoverageFrom = options.collectCoverageFrom;
   }
 
-  if (options.collectCoverageOnlyFrom) {
+  if (options.collectCoverageOnlyFrom !== undefined) {
     newConfig.collectCoverageOnlyFrom = options.collectCoverageOnlyFrom;
   }
 
-  if (options.coverageDirectory) {
+  if (options.coverageDirectory !== undefined) {
     newConfig.coverageDirectory = options.coverageDirectory;
   }
 
-  if (options.coverageReporters) {
+  if (options.coverageReporters !== undefined) {
     newConfig.coverageReporters = options.coverageReporters;
   }
 
-  if ('notify' in options) {
+  if (options.noSCM) {
+    newConfig.noSCM = true;
+  }
+
+  if (options.notify !== undefined) {
     newConfig.notify = options.notify || false;
   }
 
-  if (options.notifyMode) {
+  if (options.notifyMode !== undefined) {
     newConfig.notifyMode = options.notifyMode;
   }
 
-  if (options.reporters) {
+  if (options.onlyFailures !== undefined) {
+    newConfig.onlyFailures = options.onlyFailures || false;
+  }
+
+  if (options.passWithNoTests !== undefined) {
+    newConfig.passWithNoTests = true;
+  }
+
+  if (options.reporters !== undefined) {
     newConfig.reporters = options.reporters;
   }
 
-  if ('verbose' in options) {
+  if (options.updateSnapshot !== undefined) {
+    newConfig.updateSnapshot = options.updateSnapshot;
+  }
+
+  if (options.verbose !== undefined) {
     newConfig.verbose = options.verbose || false;
   }
 

diff --git a/packages/jest-cli/src/watch.js b/packages/jest-cli/src/watch.js
@@ -19,7 +19,6 @@ import ansiEscapes from 'ansi-escapes';
 import chalk from 'chalk';
 import getChangedFilesPromise from './get_changed_files_promise';
 import exit from 'exit';
-import {replacePathSepForRegex} from 'jest-regex-util';
 import HasteMap from 'jest-haste-map';
 import isValidPath from './lib/is_valid_path';
 import {isInteractive} from 'jest-util';
@@ -105,51 +104,22 @@ export default function watch(
     verbose?: boolean,
   } = {}) => {
     const previousUpdateSnapshot = globalConfig.updateSnapshot;
-    // It is unfortunate that Flow isn't smart enough yet to let us
-    // implement a generic assign loop over a list of white-listed
-    // option names here :-(
     globalConfig = updateGlobalConfig(globalConfig, {
-      bail: bail !== undefined ? bail : globalConfig.bail,
-      collectCoverage:
-        collectCoverage !== undefined
-          ? collectCoverage
-          : globalConfig.collectCoverage,
-      collectCoverageFrom:
-        collectCoverageFrom !== undefined
-          ? collectCoverageFrom
-          : globalConfig.collectCoverageFrom,
-      collectCoverageOnlyFrom:
-        collectCoverageOnlyFrom !== undefined
-          ? collectCoverageOnlyFrom
-          : globalConfig.collectCoverageOnlyFrom,
-      coverageDirectory:
-        coverageDirectory !== undefined
-          ? coverageDirectory
-          : globalConfig.coverageDirectory,
-      coverageReporters:
-        coverageReporters !== undefined
-          ? coverageReporters
-          : globalConfig.coverageReporters,
+      bail,
+      collectCoverage,
+      collectCoverageFrom,
+      collectCoverageOnlyFrom,
+      coverageDirectory,
+      coverageReporters,
       mode,
-      notify: notify !== undefined ? notify : globalConfig.notify,
-      notifyMode:
-        notifyMode !== undefined ? notifyMode : globalConfig.notifyMode,
-      onlyFailures:
-        onlyFailures !== undefined ? onlyFailures : globalConfig.onlyFailures,
-      reporters: reporters !== undefined ? reporters : globalConfig.reporters,
-      testNamePattern:
-        testNamePattern !== undefined
-          ? testNamePattern
-          : globalConfig.testNamePattern,
-      testPathPattern:
-        testPathPattern !== undefined
-          ? replacePathSepForRegex(testPathPattern)
-          : globalConfig.testPathPattern,
-      updateSnapshot:
-        updateSnapshot !== undefined
-          ? updateSnapshot
-          : globalConfig.updateSnapshot,
-      verbose: verbose !== undefined ? verbose : globalConfig.verbose,
+      notify,
+      notifyMode,
+      onlyFailures,
+      reporters,
+      testNamePattern,
+      testPathPattern,
+      updateSnapshot,
+      verbose,
     });
 
     startRun(globalConfig);