refactor: change existing var names for GAE

Author: Yushu.Kozaki

constant.go

@@ -3,6 +3,6 @@ package gcpen
 const (
 	EnvKeyProjectID          = "GCP_PROJECT"          // for Google Cloud Functions
 	EnvKeyGoogleCloudProject = "GOOGLE_CLOUD_PROJECT" // for Google App Engine
-	EnvKeyServiceName        = "GAE_SERVICE"          // for Google App Engine
-	EnvKeyServiceVersion     = "GAE_VERSION"          // for Google App Engine
+	EnvKeyGAEServiceName     = "GAE_SERVICE"          // for Google App Engine
+	EnvKeyGAEServiceVersion  = "GAE_VERSION"          // for Google App Engine
 )

environ.go

@@ -7,10 +7,10 @@ import (
 var (
 	// ProjectID - Google Cloud Platform Project ID
 	ProjectID = getProjectID()
-	// ServiceName - Google App Engine service name
-	ServiceName = os.Getenv(EnvKeyServiceName)
-	// ServiceVersion - Google App Engine service version
-	ServiceVersion = os.Getenv(EnvKeyServiceVersion)
+	// GAEServiceName - Google App Engine service name
+	GAEServiceName = os.Getenv(EnvKeyGAEServiceName)
+	// GAEServiceVersion - Google App Engine service version
+	GAEServiceVersion = os.Getenv(EnvKeyGAEServiceVersion)
 )
 
 func getProjectID() string {
@@ -30,6 +30,6 @@ func getProjectID() string {
 // Reload - Reload environment variables.
 func Reload() {
 	ProjectID = getProjectID()
-	ServiceName = os.Getenv(EnvKeyServiceName)
-	ServiceVersion = os.Getenv(EnvKeyServiceVersion)
+	GAEServiceName = os.Getenv(EnvKeyGAEServiceName)
+	GAEServiceVersion = os.Getenv(EnvKeyGAEServiceVersion)
 }

environ_test.go

@@ -6,26 +6,26 @@ import (
 )
 
 const (
-	testProject = "test-project"
-	testService = "test-service"
-	testVersion = "test-version"
+	testProject    = "test-project"
+	testGAEService = "test-gae-service"
+	testGAEVersion = "test-gae-version"
 )
 
 func init() {
 	os.Setenv(EnvKeyGoogleCloudProject, testProject)
-	os.Setenv(EnvKeyServiceName, testService)
-	os.Setenv(EnvKeyServiceVersion, testVersion)
+	os.Setenv(EnvKeyGAEServiceName, testGAEService)
+	os.Setenv(EnvKeyGAEServiceVersion, testGAEVersion)
 }
 
 func TestEnviron(t *testing.T) {
 	Reload()
 	if ProjectID != testProject {
 		t.Fatalf("unexpected, expected: %s, actual: %#v", testProject, ProjectID)
 	}
-	if ServiceName != testService {
-		t.Fatalf("unexpected, expected: %s, actual: %#v", testService, ServiceName)
+	if GAEServiceName != testGAEService {
+		t.Fatalf("unexpected, expected: %s, actual: %#v", testGAEService, GAEServiceName)
 	}
-	if ServiceVersion != testVersion {
-		t.Fatalf("unexpected, expected: %s, actual: %#v", testVersion, ServiceVersion)
+	if GAEServiceVersion != testGAEVersion {
+		t.Fatalf("unexpected, expected: %s, actual: %#v", testGAEVersion, GAEServiceVersion)
 	}
 }