test(jest): set timezone for stable snapshots

Signed-off-by: Adam Setch <[email protected]>

Author: setchy

jest.config.ts

@@ -2,6 +2,7 @@ import type { Config } from 'jest';
 
 const config: Config = {
   preset: 'ts-jest',
+  globalSetup: '<rootDir>/src/renderer/__helpers__/jest.setup.env.ts',
   setupFilesAfterEnv: ['<rootDir>/src/renderer/__helpers__/jest.setup.ts'],
   testEnvironment: 'jsdom',
   collectCoverage: true,

package.json

@@ -141,4 +141,4 @@
     "*": "biome check --fix --no-errors-on-unmatched",
     "*.{js,ts,tsx}": "pnpm test --findRelatedTests --passWithNoTests --updateSnapshot"
   }
-}
+}

src/renderer/__helpers__/jest.setup.env.ts

@@ -0,0 +1,8 @@
+/**
+ * Jest Global Setup
+ * This runs once before all test suites
+ * Sets timezone to UTC for consistent date/time in tests and snapshots
+ */
+export default () => {
+  process.env.TZ = 'UTC';
+};

src/renderer/__helpers__/jest.setup.ts

@@ -45,10 +45,6 @@ window.gitify = {
   raiseNativeNotification: jest.fn(),
 };
 
-// Mock OAuth client ID and secret
-process.env.OAUTH_CLIENT_ID = 'FAKE_CLIENT_ID_123';
-process.env.OAUTH_CLIENT_SECRET = 'FAKE_CLIENT_SECRET_123';
-
 globalThis.HTMLMediaElement.prototype.play = jest.fn();
 
 globalThis.matchMedia = (query: string): MediaQueryList => ({