Run readonly tests with mount dir option

tools/integration_tests/implicitdir/implicitdir_test.go

@@ -16,18 +16,26 @@
 package implicitdir_test
 
 import (
+	"log"
 	"os"
 	"testing"
 
 	"github.com/googlecloudplatform/gcsfuse/tools/integration_tests/setup"
 )
 
 func TestMain(m *testing.M) {
+	setup.ParseSetUpFlags()
+
 	flags := [][]string{{"--enable-storage-client-library=true", "--implicit-dirs=true"},
 		{"--enable-storage-client-library=false"},
 		{"--implicit-dirs=true"},
 		{"--implicit-dirs=false"}}
 
+	if setup.TestBucket() != "" && setup.MountedDirectory() != "" {
+		log.Printf("Both --testbucket and --mountedDirectory can't be specified at the same time.")
+		os.Exit(1)
+	}
+
 	successCode := setup.RunTests(flags, m)
 
 	os.Exit(successCode)

tools/integration_tests/readonly/readonly_test.go

@@ -16,6 +16,7 @@
 package readonly_test
 
 import (
+	"log"
 	"os"
 	"os/exec"
 	"strings"
@@ -66,6 +67,11 @@ func TestMain(m *testing.M) {
 
 	flags := [][]string{{"--o=ro", "--implicit-dirs=true"}, {"--file-mode=544", "--dir-mode=544", "--implicit-dirs=true"}}
 
+	if setup.TestBucket() == "" && setup.MountedDirectory() != "" {
+		log.Printf("Please pass the name of bucket mounted at mountedDirectory to --testBucket flag.")
+		os.Exit(1)
+	}
+
 	// Clean the bucket for readonly testing.
 	runScriptForTestData("testdata/delete_objects.sh", setup.TestBucket())
 

tools/integration_tests/setup/setup.go

@@ -224,9 +224,6 @@ func RunTests(flags [][]string, m *testing.M) (successCode int) {
 	if *testBucket == "" && *mountedDirectory == "" {
 		log.Printf("--testbucket or --mountedDirectory must be specified")
 		os.Exit(1)
-	} else if *testBucket != "" && *mountedDirectory != "" {
-		log.Printf("Both --testbucket and --mountedDirectory can't be specified at the same time.")
-		os.Exit(1)
 	}
 
 	// Execute tests for the mounted directory.