Command arguments do not work with jest, using environment variables

markis · Feb 23, 2018 · c722101 · c722101
1 parent 71aa327
commit c722101
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Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/src/index.ts b/src/index.ts
@@ -1,5 +1,4 @@
 import { closeSync, existsSync, mkdirSync, openSync, readFileSync, watch } from 'fs';
-import parser from 'yargs-parser';
 
 import { getLastError } from './errors';
 import {
@@ -24,8 +23,7 @@ export default class JestRatchet {
     globalConfig: Config,
     options: RatchetOptions = {},
   ) {
-    const args = parser(process.argv.slice(2));
-    if (!args.disableRatchet) {
+    if (!process.env.DISABLE_JEST_RATCHET) {
       this.onRunComplete = onRunComplete.bind(this, globalConfig, options);
       this.getLastError = getLastError.bind(this, globalConfig);
     }

diff --git a/src/test.ts b/src/test.ts
@@ -16,13 +16,16 @@ const mockConfig = {
 };
 
 const originalArgv = process.argv;
+const originalEnv = process.env;
 
 describe('jest-ratchet', () => {
   beforeEach(() => {
     jest.resetAllMocks();
     fs.__resetMockFiles();
     process.cwd = jest.fn().mockReturnValue(resolve('./example'));
     process.argv = originalArgv;
+    process.env = { ...originalEnv };
+    delete process.env.DISABLE_JEST_RATCHET;
   });
 
   it('will initialize without error', () => {
@@ -55,7 +58,7 @@ describe('jest-ratchet', () => {
   });
 
   it('will do nothing when ratchet is disabled', () => {
-    process.argv = ['', '', '--disable-ratchet'];
+    process.env.DISABLE_JEST_RATCHET = 'true';
 
     const jestRatchet = new JestRatchet(mockConfig);