feat: add --version flags

cmd/root.go

@@ -19,9 +19,10 @@ var (
 
 // RootCmd ...
 var RootCmd = &cobra.Command{
-	Use:   "zj-db-cluster",
-	Short: "zijin database cluster command line tool",
-	Long:  ``,
+	Use:     "zj-db-cluster",
+	Short:   "zijin database cluster command line tool",
+	Long:    ``,
+	Version: VERSION,
 	Run: func(cmd *cobra.Command, args []string) {
 		// default command output usage string
 		cmd.Usage()

makefile

@@ -1,4 +1,7 @@
 ### Makefile --- 
+
+# https://stackoverflow.com/questions/3931741/why-does-make-think-the-target-is-up-to-date
+.PHONY: all test clean
 
 
 all: build
@@ -12,12 +15,10 @@ lint:
 	vendorcheck ./...
 
 test:
-	go test -v ./...
+	go test -v -gcflags=-l ./...
 
 clean:
 	rm -rf bin
 
-integration-test:
-	go test -tags=integration -v
 
 ### Makefile ends here

test/command/command_test.go

@@ -53,6 +53,28 @@ func TestVersionCmd(t *testing.T) {
 	})
 }
 
+func TestVersionFlags(t *testing.T) {
+	RootCmd := cmd.RootCmd
+	Convey("TestVersionCmd", t, func() {
+		// some global val
+		Convey("version command should work properly", func() {
+			buf := new(bytes.Buffer)
+			RootCmd.SetArgs([]string{"--version"})
+			RootCmd.SetOutput(buf)
+
+			err := RootCmd.Execute()
+
+			if err != nil {
+				t.Error(err)
+			}
+
+			actual := buf.String()
+			expected := "zj-db-cluster version " + cmd.VERSION + "\n"
+			So(actual, ShouldEqual, expected)
+		})
+	})
+}
+
 func TestConfigCmd(t *testing.T) {
 	rootCmd := cmd.RootCmd
 	Convey("TestConfigCmd", t, func() {