Add multiple tests

.github/dependabot.yml

@@ -12,11 +12,6 @@ updates:
       cooldown:
           default-days: 3
       open-pull-requests-limit: 10
-      groups:
-          vitest:
-              patterns:
-                  - 'vitest'
-                  - '@vitest/coverage*'
       ignore:
           - dependency-name: 'react-native'
           - dependency-name: 'react'

.github/workflows/pr-validation.yml

@@ -46,7 +46,7 @@ jobs:
 
             - name: Test
               if: matrix.variant == 'default'
-              run: yarn test --run --coverage --reporter=junit --outputFile=test-report.junit.xml
+              run: yarn test --ci --coverage --reporters=default --reporters=jest-junit
 
             - name: Upload test results to Codecov
               if: ${{ !cancelled() && matrix.variant == 'default' }}

.gitignore

@@ -42,6 +42,7 @@ licenses.json
 
 # Coverage
 coverage/
+test-report.junit.xml
 
 # Android Studio
 .idea/

eslint.config.mjs

@@ -5,7 +5,7 @@ import reactHooks from 'eslint-plugin-react-hooks'
 import tseslint from 'typescript-eslint'
 import eslintConfigPrettier from 'eslint-config-prettier/flat'
 import sonarjs from 'eslint-plugin-sonarjs'
-import vitest from '@vitest/eslint-plugin'
+import jest from 'eslint-plugin-jest'
 import globals from 'globals'
 
 export default defineConfig(
@@ -43,12 +43,7 @@ export default defineConfig(
     sonarjs.configs.recommended,
     {
         files: ['**/*.test.ts', '**/*.test.tsx'],
-        plugins: {
-            vitest,
-        },
-        rules: {
-            ...vitest.configs.recommended.rules,
-        },
+        ...jest.configs['flat/recommended'],
     },
     {
         files: ['**/*.{ts,tsx}'],

package.json

@@ -15,7 +15,7 @@
         "typecheck:foss": "tsc -p tsconfig.foss.json --noEmit",
         "lint": "eslint .",
         "format": "prettier --write .",
-        "test": "vitest",
+        "test": "jest",
         "generate-licenses": "yarn dlx license-checker-rseidelsohn --production --json --out src/licenses.json"
     },
     "expo": {
@@ -71,31 +71,48 @@
         "react-native-web": "0.21.2",
         "react-native-worklets": "0.10.0"
     },
+    "jest": {
+        "preset": "jest-expo",
+        "roots": [
+            "<rootDir>/src"
+        ],
+        "setupFilesAfterEnv": [
+            "<rootDir>/src/test/jestSetup.ts"
+        ],
+        "collectCoverageFrom": [
+            "src/**/*.{ts,tsx}",
+            "!src/**/*.test.{ts,tsx}",
+            "!src/**/*.d.ts",
+            "!src/i18n/locales/*.ts",
+            "!src/test/**"
+        ]
+    },
+    "jest-junit": {
+        "outputName": "test-report.junit.xml"
+    },
     "private": true,
     "packageManager": "yarn@4.12.0",
     "devDependencies": {
         "@babel/core": "^7.29.0",
         "@eslint/js": "9.39.2",
-        "@rolldown/plugin-babel": "0.2.3",
+        "@jest/globals": "^29.7.0",
+        "@react-native/jest-preset": "0.86.0",
         "@types/papaparse": "5.5.2",
         "@types/react": "~19.2.14",
         "@types/react-dom": "~19.2.0",
         "@types/react-native-web": "0.19.2",
-        "@vitejs/plugin-react": "6.0.3",
-        "@vitest/coverage-v8": "4.1.9",
-        "@vitest/eslint-plugin": "1.6.20",
-        "babel-plugin-module-resolver": "5.0.3",
         "cross-env": "10.1.0",
         "eslint": "9.39.2",
         "eslint-config-prettier": "10.1.8",
+        "eslint-plugin-jest": "29.15.4",
         "eslint-plugin-react": "7.37.5",
         "eslint-plugin-react-hooks": "7.1.1",
         "eslint-plugin-sonarjs": "4.1.0",
+        "jest": "~29.7.0",
+        "jest-expo": "~57.0.1",
+        "jest-junit": "17.0.0",
         "prettier": "3.9.4",
-        "rolldown": "1.1.3",
         "typescript": "~6.0.3",
-        "typescript-eslint": "8.62.1",
-        "vite": "8.1.0",
-        "vitest": "4.1.9"
+        "typescript-eslint": "8.62.1"
     }
 }

src/components/AdaptiveDateTimePicker.tsx

@@ -2,6 +2,7 @@ import { useState } from 'react'
 import { Platform, View } from 'react-native'
 import { Portal, Dialog, Button } from 'react-native-paper'
 import DateTimePicker from '@expo/ui/community/datetime-picker'
+import { shiftToUTC, shiftToLocal } from '../utils/dateShift'
 
 export interface AdaptiveDateTimePickerProps {
     visible: boolean
@@ -14,30 +15,6 @@ export interface AdaptiveDateTimePickerProps {
     confirmLabel: string
 }
 
-const shiftToUTC = (date: Date) => {
-    return new Date(
-        Date.UTC(
-            date.getFullYear(),
-            date.getMonth(),
-            date.getDate(),
-            date.getHours(),
-            date.getMinutes(),
-            date.getSeconds(),
-        ),
-    )
-}
-
-const shiftToLocal = (date: Date) => {
-    return new Date(
-        date.getUTCFullYear(),
-        date.getUTCMonth(),
-        date.getUTCDate(),
-        date.getUTCHours(),
-        date.getUTCMinutes(),
-        date.getUTCSeconds(),
-    )
-}
-
 const AdaptiveDateTimePicker = ({
     visible,
     onDismiss,