chore: add e2e test coverage (#1270)

.github/workflows/backend-e2e-test.yml

@@ -9,7 +9,7 @@ on:
       - master
 
 jobs:
-  run-test:
+  backend-e2e-test:
     runs-on: ubuntu-latest
 
     steps:
@@ -52,3 +52,13 @@ jobs:
       - name: run test for plugin skywalking
         working-directory: ./api/test/e2e/skywalking
         run: go test -v
+
+      - name: output test coverage
+        working-directory: ./api/test/testdata
+        run: |
+          go tool cover -func=./integrationcover.out
+
+      - name: upload coverage profile
+        working-directory: ./api/test/testdata
+        run: |
+          bash <(curl -s https://codecov.io/bash) -f ./integrationcover.out

api/cmd/manager/main_test.go

@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package main
+import (
+	"os"
+	"os/signal"
+	"strings"
+	"syscall"
+	"testing"
+)
+func TestMainWrapper(t *testing.T) {
+	if os.Getenv("ENV") == "test" {
+		t.Skip("skipping build binary when execute unit test")
+	}
+
+	var (
+		args []string
+	)
+	for _, arg := range os.Args {
+		switch {
+		case strings.HasPrefix(arg, "-test"):
+		default:
+			args = append(args, arg)
+		}
+	}
+	waitCh := make(chan int, 1)
+	os.Args = args
+	go func() {
+		main()
+		close(waitCh)
+	}()
+	signalCh := make(chan os.Signal, 1)
+	signal.Notify(signalCh, syscall.SIGINT, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGHUP)
+	select {
+	case <-signalCh:
+		return
+	case <-waitCh:
+		return
+	}
+}

api/test/docker/Dockerfile

@@ -25,7 +25,7 @@ RUN mkdir -p /go/manager-api/conf \
     && mkdir -p /go/manager-api/build-tools \
     && go env -w GOPROXY=https://goproxy.io,direct \
     && export GOPROXY=https://goproxy.io \
-    && go build -o /go/manager-api/manager-api ./cmd/manager \
+    && go test -c -cover -covermode=atomic -o /go/manager-api/manager-api -coverpkg "./..." ./cmd/manager \
     && mv /go/src/github.com/apisix/manager-api/entry.sh /go/manager-api/ \
     && mv /go/src/github.com/apisix/manager-api/build-tools/* /go/manager-api/build-tools/ \
     && mv /go/src/github.com/apisix/manager-api/conf/conf.yaml /go/manager-api/conf/conf.yaml \
@@ -60,5 +60,5 @@ RUN mkdir logs
 EXPOSE 9000
 
 RUN chmod +x ./entry.sh
-
-CMD ["/bin/ash", "-c", "/go/manager-api/entry.sh"]
+ENTRYPOINT ["/go/manager-api/manager-api"]
+CMD ["-test.coverprofile=./testdata/integrationcover.out"]

api/test/docker/docker-compose.yaml

@@ -179,6 +179,7 @@ services:
     restart: always
     volumes:
       - ./manager-api-conf.yaml:/go/manager-api/conf/conf.yaml:ro
+      - ../testdata:/go/manager-api/testdata
     depends_on:
       - node1
       - node2