adding coverage

.github/workflows/go.yml

@@ -25,4 +25,9 @@ jobs:
       run: go build -v ./...
 
     - name: Test
-      run: go test -v ./...
+      run: go test ./... -coverprofile=./cover.out -covermode=atomic -coverpkg=./...
+
+    - name: check test coverage
+      uses: vladopajic/go-test-coverage@v2
+      with:
+        config: ./.testcoverage.yml

.testcoverage.yml

@@ -0,0 +1,32 @@
+# (mandatory)
+# Path to coverprofile file (output of `go test -coverprofile` command).
+#
+# For cases where there are many coverage profiles, such as when running
+# unit tests and integration tests separately, you can combine all those
+# profiles into one. In this case, the profile should have a comma-separated list
+# of profile files, e.g., 'cover_unit.out,cover_integration.out'.
+profile: cover.out
+
+local-prefix: "github.com/manuelarte/pagorminator"
+
+# Holds coverage thresholds percentages, values should be in range [0-100]
+threshold:
+  # (optional; default 0)
+  # The minimum coverage that each file should have
+  file: 70
+
+  # (optional; default 0)
+  # The minimum coverage that each package should have
+  package: 80
+
+  # (optional; default 0)
+  # The minimum total coverage project should have
+  total: 80
+
+# Holds regexp rules which will exclude matched files or packages
+# from coverage statistics
+exclude:
+  # Exclude files or packages matching their paths
+  paths:
+    - \.pb\.go$    # excludes all protobuf generated files
+    - ^pkg/bar     # exclude package `pkg/bar`