Measure code coverage during tests (#39)

* Generate coverage when running tests

* Upload coverage to Codecov

* Update Codecov instructions

.github/workflows/ci.yml

@@ -29,3 +29,10 @@ jobs:
       env:
         TRANSLOADIT_KEY: ${{ secrets.TRANSLOADIT_KEY }}
         TRANSLOADIT_SECRET: ${{ secrets.TRANSLOADIT_SECRET }}
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v5
+      with:
+        fail_ci_if_error: true
+        files: ./coverage.out
+        token: ${{ secrets.CODECOV_TOKEN }}

Makefile

@@ -4,7 +4,7 @@ test-examples:
 	cd ./examples && find . -type f | xargs -i sh -c "go build {} && go clean" \;
 
 test-package:
-	go test -v .
+	go test -v -coverprofile=coverage.out -covermode=atomic .
 
 test: test-package test-examples