diff --git a/config/apns.yaml b/config/config.yaml
similarity index 100%
rename from config/apns.yaml
rename to config/config.yaml
diff --git a/gorush/config_test.go b/gorush/config_test.go
new file mode 100644
index 0000000..1811042
--- /dev/null
+++ b/gorush/config_test.go
@@ -0,0 +1,45 @@
+package gopush
+
+import (
+	"github.com/stretchr/testify/assert"
+	"io/ioutil"
+	"log"
+	"os"
+	"testing"
+)
+
+// Test file is missing
+func TestMissingFile(t *testing.T) {
+	filename := "test"
+	_, err := LoadConfYaml(filename)
+
+	assert.NotNil(t, err)
+}
+
+// Test wrong json format
+func TestWrongYAMLormat(t *testing.T) {
+	content := []byte(`Wrong format`)
+
+	filename := "tempfile"
+
+	if err := ioutil.WriteFile(filename, content, 0644); err != nil {
+		log.Fatalf("WriteFile %s: %v", filename, err)
+	}
+
+	// clean up
+	defer os.Remove(filename)
+
+	// parse JSON format error
+	_, err := LoadConfYaml(filename)
+
+	assert.NotNil(t, err)
+}
+
+// Test config file.
+func TestReadConfig(t *testing.T) {
+	config, err := LoadConfYaml("../config/config.yaml")
+
+	assert.Nil(t, err)
+	assert.Equal(t, "8088", config.Core.Port)
+	assert.False(t, config.Android.Enabled)
+}
diff --git a/gorush/server_test.go b/gorush/server_test.go
index 596cd92..e402c32 100644
--- a/gorush/server_test.go
+++ b/gorush/server_test.go
@@ -5,8 +5,8 @@ import (
 	"github.com/buger/jsonparser"
 	"github.com/stretchr/testify/assert"
 	"net/http"
-	"testing"
 	"runtime"
+	"testing"
 )
 
 var go_version = runtime.Version()