Unit test coverage (#2004)

Co-authored-by: Willy Kloucek <wkloucek@owncloud.com>

.drone.star

@@ -96,6 +96,7 @@ def main(ctx):
   # ocisIntegrationTests(6, [1, 4])     - this will only run 1st and 4th parts
   # implemented for: ocisIntegrationTests and s3ngIntegrationTests
   return [
+    coverage(),
     buildAndPublishDocker(),
     buildOnly(),
     testIntegration(),
@@ -229,6 +230,42 @@ def buildAndPublishDocker():
     ]
   }
 
+def coverage():
+  return {
+    "kind": "pipeline",
+    "type": "docker",
+    "name": "unit-test-coverage",
+    "platform": {
+      "os": "linux",
+      "arch": "amd64",
+    },
+    "trigger":{
+	"ref":[
+		"refs/heads/master",
+		"refs/pull/**",
+	],
+    },
+    "steps": [
+      {
+        "name": "unit-test",
+        "image": "registry.cern.ch/docker.io/library/golang:1.16",
+        "commands": [
+          "make test",
+        ],
+      },
+      {
+        "name": "codacy",
+        "image": "plugins/codacy:1",
+        "pull": "always",
+        "settings": {
+            "token": {
+                "from_secret": "codacy_token",
+            },
+        },
+      },
+    ]
+  }
+
 def buildOnly():
   return {
     "kind": "pipeline",

.gitignore

@@ -48,3 +48,5 @@ vendor-bin/**/composer.lock
 tests/acceptance/output
 tmp/
 
+# drone
+.drone.yml

Makefile

@@ -45,7 +45,7 @@ build-reva: imports
 	go build -ldflags ${BUILD_FLAGS} -o ./cmd/reva/reva ./cmd/reva
 
 test: off
-	go test -race $$(go list ./... | grep -v /tests/integration)
+	go test -coverprofile coverage.out -race $$(go list ./... | grep -v /tests/integration)
 
 test-integration: build-ci
 	cd tests/integration && go test -race ./...

changelog/unreleased/codacy-coverage.md

@@ -0,0 +1,5 @@
+Enhancement: Add Codacy unit test coverage
+
+This PR adds unit test coverage upload to Codacy.
+
+https://github.com/cs3org/reva/pull/1983