add workflow for unit tests

.github/workflows/tests.yml

@@ -0,0 +1,44 @@
+name: Tests CI
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Test using Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: '18'
+      - run: npm install
+      - run: npm run test:ci
+
+      - name: Tests ✅
+        if: ${{ success() }}
+        run: |
+          curl --request POST \
+          --url https://api.github.com/repos/${{ github.repository }}/statuses/${{ github.sha }} \
+          --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' \
+          --header 'content-type: application/json' \
+          --data '{
+            "context": "tests",
+            "state": "success",
+            "description": "Tests passed",
+            "target_url": "https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"
+          }'
+
+      - name: Tests 🚨
+        if: ${{ failure() }}
+        run: |
+          curl --request POST \
+          --url https://api.github.com/repos/${{ github.repository }}/statuses/${{ github.sha }} \
+          --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' \
+          --header 'content-type: application/json' \
+          --data '{
+            "context": "tests",
+            "state": "failure",
+            "description": "Tests failed",
+            "target_url": "https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"
+          }'
+

github-actions-reporter.js

@@ -0,0 +1,36 @@
+class GithubActionsReporter {
+  constructor(globalConfig, options) {
+    this._globalConfig = globalConfig
+    this._options = options
+  }
+
+  onRunComplete(contexts, results) {
+    results.testResults.forEach((testResultItem) => {
+      const testFilePath = testResultItem.testFilePath
+
+      testResultItem.testResults.forEach((result) => {
+        if (result.status !== 'failed') {
+          return
+        }
+
+        result.failureMessages.forEach((failureMessages) => {
+          const newLine = '%0A'
+          const message = failureMessages.replace(/\n/g, newLine)
+          const captureGroup = message.match(/:([0-9]+):([0-9]+)/)
+
+          if (!captureGroup) {
+            console.log('Unable to extract line number from call stack')
+            return
+          }
+
+          const [, line, col] = captureGroup
+          console.log(
+            `::error file=${testFilePath},line=${line},col=${col}::${message}`,
+          )
+        })
+      })
+    })
+  }
+}
+
+module.exports = GithubActionsReporter

package.json

@@ -10,6 +10,8 @@
     "i18n": "i18next",
     "lint": "next lint",
     "test": "jest",
+    "test:ci": "jest --ci --reporters='./github-actions-reporter.js'",
+    "act": "act -j test",
     "generate:paths": "npx node scripts/generate_paths.js"
   },
   "dependencies": {