2 files changed, 105 insertions, 1 deletions
diff --git a/msb2pilot/src/msb2pilot/util/common.go b/msb2pilot/src/msb2pilot/util/common.go
index 6053116..1bb10df 100644
--- a/msb2pilot/src/msb2pilot/util/common.go
+++ b/msb2pilot/src/msb2pilot/util/common.go
@@ -58,10 +58,12 @@ func GetGoPath() []string {
 		return strings.Split(paths, ";")
 	} else if strings.Contains(paths, ":") { // linux
 		return strings.Split(paths, ":")
-	} else { // only one
+	} else if paths != "" { // only one
 		path := make([]string, 1, 1)
 		path[0] = paths
 		return path
+	} else {
+		return make([]string, 0, 0)
 	}
 }
 
diff --git a/msb2pilot/src/msb2pilot/util/common_test.go b/msb2pilot/src/msb2pilot/util/common_test.go
new file mode 100644
index 0000000..6204b6f
--- /dev/null
+++ b/msb2pilot/src/msb2pilot/util/common_test.go
@@ -0,0 +1,102 @@
+/**
+ * Copyright (c) 2018 ZTE Corporation.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and the Apache License 2.0 which both accompany this distribution,
+ * and are available at http://www.eclipse.org/legal/epl-v10.html
+ * and http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Contributors:
+ *     ZTE - initial Project
+ */
+package util
+
+import (
+	"os"
+	"strings"
+	"testing"
+)
+
+func TestGetCfgPath(t *testing.T) {
+	got := GetCfgPath()
+	if !strings.Contains(got, "conf") {
+		t.Errorf("GetCfgPath() => got %v, should contains `ocnf`", got)
+	}
+}
+
+func TestGetGoPath(t *testing.T) {
+	oldPaths := os.Getenv("GOPATH")
+	cases := []struct {
+		in   string
+		want []string
+	}{
+		{ // window
+			in: `path1;path2;path3`,
+			want: []string{
+				`path1`,
+				`path2`,
+				`path3`,
+			},
+		},
+		{ // linux
+			in: `path1:path2:path3`,
+			want: []string{
+				`path1`,
+				`path2`,
+				`path3`,
+			},
+		},
+		{ // single Path
+			in: `path1`,
+			want: []string{
+				`path1`,
+			},
+		},
+		{ // single Path
+			in: `;`,
+			want: []string{
+				``, ``,
+			},
+		},
+	}
+
+	for _, cas := range cases {
+		os.Setenv("GOPATH", cas.in)
+		got := GetGoPath()
+
+		if len(cas.want) != len(got) {
+			t.Errorf("GetGoPath() => different size, got %d, want %d, %v, %v", len(got), len(cas.want), got, cas.want)
+		}
+
+		for i, item := range cas.want {
+			if item != got[i] {
+				t.Errorf("GetGoPath() => got %v, want %v", got, cas.want)
+				break
+			}
+		}
+	}
+
+	// unset test
+	os.Unsetenv("GOPATH")
+	got := GetGoPath()
+	if len(got) != 0 {
+		t.Errorf("GetGoPath() => unset env test got len %d, want 0", len(got))
+	}
+
+	os.Setenv("GOPATH", oldPaths)
+}
+
+func TestFileExists(t *testing.T) {
+	existFile := `common_test.go`
+	notExistFile := `common_test.go_11`
+
+	exist := FileExists(existFile)
+	if !exist {
+		t.Errorf("FileExists(%s) => got false, want true", existFile)
+	}
+
+	exist = FileExists(notExistFile)
+	if exist {
+		t.Errorf("FileExists(%s) => got true, want false", notExistFile)
+	}
+}