feat: automatically run unit tests on new PRs (#27)

Author: compojoom

.github/workflows/unit-tests.yml

@@ -0,0 +1,39 @@
+name: Run Tests and Coverage
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  test-and-coverage:
+    runs-on: ubuntu-latest
+
+    steps:
+      # Checkout the code
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      # Set up Node.js
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: 'npm'
+
+      # Install dependencies
+      - name: Install dependencies
+        run: npm ci
+
+      # Run tests with coverage
+      - name: Run Jest tests with coverage
+        run: |
+          npm run test:coverage -- --collectCoverageFrom="./src/**" --coverageReporters=text --coverageReporters=json-summary | tee ./coverage.txt && exit ${PIPESTATUS[0]}
+
+      - name: Jest Coverage Comment
+        uses: MishaKav/jest-coverage-comment@v1
+        with:
+          coverage-summary-path: ./coverage/coverage-summary.json
+          coverage-title: Coverage
+          coverage-path: ./coverage.txt

jest.config.js

@@ -8,7 +8,7 @@ module.exports = {
     '!./src/types/**',
     '!./src/**/*.snap',
   ],
-  coverageReporters: ['json', 'html', 'text-summary'],
+  coverageReporters: ['json-summary', 'html', 'text-summary'],
   setupFilesAfterEnv: ['./src/tests/jest.setup.ts', './src/tests/test-utils.tsx'],
   moduleNameMapper: {
     '\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$':

package-lock.json

@@ -63,7 +63,8 @@
     "react-native-web": "~0.19.13",
     "react-redux": "^9.1.2",
     "redux-persist": "^6.0.0",
-    "tamagui": "^1.116.14"
+    "tamagui": "^1.116.14",
+    "timezone-mock": "^1.3.6"
   },
   "devDependencies": {
     "@babel/core": "^7.25.2",

package.json

@@ -1,9 +1,11 @@
+import timezoneMock from 'timezone-mock'
 import { currentMinutes, formatDateTime, formatTime, getCountdown, getPeriod } from './date'
 
 const MOCKED_TIMESTAMP = 1729506116962
 
 describe('Date utils', () => {
   beforeAll(() => {
+    timezoneMock.register('Etc/GMT-2')
     jest.spyOn(Date, 'now').mockImplementation(() => MOCKED_TIMESTAMP)
   })