Update test for /info endpoint and CLI command

using redis service in GitHub actions, and it's only supported if I'm using Linux env.
So removing "macos-latest" from the GitHub Actions unit test yaml file.

.github/workflows/rediseen_unit_test.yml

@@ -10,9 +10,15 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macOS-latest]
+        os: [ubuntu-latest]
         goversion: [1.12, 1.13, 1.14, 1.15]
 
+    services:
+      redis:
+        image: redis:latest
+        ports:
+          - 6379/tcp
+
     steps:
     - name: Set up Go
       uses: actions/setup-go@v1
@@ -38,6 +44,7 @@ jobs:
         REDISEEN_REDIS_URI: redis://:@localhost:6400
         REDISEEN_TEST_MODE: true
         REDISEEN_DB_EXPOSED: 0-5
+        REAL_REDIS_URI: redis://:@localhost:${{ job.services.redis.ports['6379'] }}
       run: go test -v -cover github.com/xd-deng/rediseen
 
     - name: Build

.travis.yml

@@ -1,13 +1,16 @@
 language: go
 
+services:
+  - redis-server
+
 go:
   - 1.12.x
   - 1.13.x
   - 1.14.x
   - 1.15.x
 
 env:
-  - GO111MODULE=on REDISEEN_REDIS_URI="redis://:@localhost:6400" REDISEEN_KEY_PATTERN_EXPOSED="^key:[.]*" REDISEEN_TEST_MODE=true REDISEEN_DB_EXPOSED=0-5
+  - GO111MODULE=on REDISEEN_REDIS_URI="redis://:@localhost:6400" REDISEEN_KEY_PATTERN_EXPOSED="^key:[.]*" REDISEEN_TEST_MODE=true REDISEEN_DB_EXPOSED=0-5 REAL_REDIS_URI="redis://:@localhost:6379"
 
 before_install:
   - go get -v -t -d ./...

rediseen_test.go

@@ -79,7 +79,7 @@ func Test_Main(t *testing.T) {
 	main()
 
 	// commands "rediseen version", "rediseen help", "rediseen stop", "rediseen wrong_command"
-	for _, command := range []string{"version", "help", "stop", "wrong_command"} {
+	for _, command := range []string{"version", "help", "configdoc", "stop", "wrong_command"} {
 		os.Args = []string{"", command}
 		main()
 	}

service_test.go

@@ -1541,3 +1541,103 @@ func Test_service_root(t *testing.T) {
 		t.Error("Expected partial content not found:\n", expectedPartialContent)
 	}
 }
+
+func Test_service_info(t *testing.T) {
+
+	originalRedisURI := os.Getenv("REDISEEN_REDIS_URI")
+	realRedis, realRedisFound := os.LookupEnv("REAL_REDIS_URI")
+	if !realRedisFound {
+		t.Skip("skipping test when there is no real Redis instance")
+	}
+	os.Setenv("REDISEEN_REDIS_URI", realRedis)
+	defer os.Setenv("REDISEEN_REDIS_URI", originalRedisURI)
+
+	var testService service
+	testService.loadConfigFromEnv()
+	s := httptest.NewServer(http.Handler(&testService))
+	defer s.Close()
+
+	res, _ := http.Get(s.URL + "/info")
+
+	expectedCode := 200
+	compareAndShout(t, expectedCode, res.StatusCode)
+}
+
+func Test_service_info_by_section(t *testing.T) {
+
+	originalRedisURI := os.Getenv("REDISEEN_REDIS_URI")
+	realRedis, realRedisFound := os.LookupEnv("REAL_REDIS_URI")
+	if !realRedisFound {
+		t.Skip("skipping test when there is no real Redis instance")
+	}
+	os.Setenv("REDISEEN_REDIS_URI", realRedis)
+	defer os.Setenv("REDISEEN_REDIS_URI", originalRedisURI)
+
+	var testService service
+	testService.loadConfigFromEnv()
+	s := httptest.NewServer(http.Handler(&testService))
+	defer s.Close()
+
+	res, _ := http.Get(s.URL + "/info/cpu")
+
+	expectedCode := 200
+	compareAndShout(t, expectedCode, res.StatusCode)
+}
+
+func Test_service_info_by_section_uppercase(t *testing.T) {
+
+	originalRedisURI := os.Getenv("REDISEEN_REDIS_URI")
+	realRedis, realRedisFound := os.LookupEnv("REAL_REDIS_URI")
+	if !realRedisFound {
+		t.Skip("skipping test when there is no real Redis instance")
+	}
+	os.Setenv("REDISEEN_REDIS_URI", realRedis)
+	defer os.Setenv("REDISEEN_REDIS_URI", originalRedisURI)
+
+	var testService service
+	testService.loadConfigFromEnv()
+	s := httptest.NewServer(http.Handler(&testService))
+	defer s.Close()
+
+	res, _ := http.Get(s.URL + "/info/CPU")
+
+	expectedCode := 200
+	compareAndShout(t, expectedCode, res.StatusCode)
+}
+
+func Test_service_info_invalid_section(t *testing.T) {
+
+	originalRedisURI := os.Getenv("REDISEEN_REDIS_URI")
+	realRedis, realRedisFound := os.LookupEnv("REAL_REDIS_URI")
+	if !realRedisFound {
+		t.Skip("skipping test when there is no real Redis instance")
+	}
+	os.Setenv("REDISEEN_REDIS_URI", realRedis)
+	defer os.Setenv("REDISEEN_REDIS_URI", originalRedisURI)
+
+	var testService service
+	testService.loadConfigFromEnv()
+	s := httptest.NewServer(http.Handler(&testService))
+	defer s.Close()
+
+	res, _ := http.Get(s.URL + "/info/abc")
+
+	expectedCode := 400
+	compareAndShout(t, expectedCode, res.StatusCode)
+
+	resultStr, _ := ioutil.ReadAll(res.Body)
+	res.Body.Close()
+
+	var result types.ErrorType
+	json.Unmarshal([]byte(resultStr), &result)
+
+	expectedError := "Exception while getting Redis Info"
+	if !strings.Contains(result.Error, expectedError) {
+		t.Error("Expecting to contain \n", expectedError, "\ngot\n", result.Error)
+	}
+
+	expectedError = "invalid section"
+	if !strings.Contains(result.Error, expectedError) {
+		t.Error("Expecting to contain \n", expectedError, "\ngot\n", result.Error)
+	}
+}