Merge coverages before being sent

Author: manicmaniac

.github/workflows/test.yml

@@ -1,7 +1,7 @@
 name: Test
 on: [push]
 jobs:
-  unit-test:
+  test:
     runs-on: macOS-12
     strategy:
       fail-fast: false
@@ -17,8 +17,33 @@ jobs:
         with:
           ruby-version: ${{ matrix.ruby-version }}
           bundler-cache: true
-      - uses: paambaati/[email protected]
+      - name: Install cc-test-reporter
+        run: |
+          curl -Lo cc-test-reporter https://codeclimate.com/downloads/test-reporter/test-reporter-latest-darwin-amd64
+          chmod +x cc-test-reporter
+      - run: ./cc-test-reporter before-build
         env:
           CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}
+      - run: bundle exec rake
+      - name: Format coverage
+        run: |
+          ./cc-test-reporter format-coverage --input-type simplecov --output 'codeclimate-${{ matrix.ruby-version }}.json' coverage/.resultset.json
+      - uses: actions/upload-artifact@v3
         with:
-          coverageCommand: bundle exec rake
+          name: coverages
+          path: codeclimate-${{ matrix.ruby-version }}.json
+  upload-coverage:
+    runs-on: ubuntu-20.04
+    needs: test
+    steps:
+      - uses: actions/download-artifact@v3
+        with:
+          name: coverages
+      - name: Install cc-test-reporter
+        run: |
+          curl -Lo cc-test-reporter https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64
+          chmod +x cc-test-reporter
+      - name: Upload coverage
+        run: ./cc-test-reporter sum-coverage --output - codeclimate.*.json | ./cc-test-reporter upload-coverage --debug --input -
+        env:
+          CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}