feat: setting version dynamically

cmd/cmdtest.go

@@ -21,7 +21,7 @@ func CallCmd(
 	projectsClient *projects.MockClient,
 	args []string,
 ) ([]byte, error) {
-	rootCmd, err := NewRootCommand(flagsClient, membersClient, projectsClient)
+	rootCmd, err := NewRootCommand(flagsClient, membersClient, projectsClient, "test")
 	require.NoError(t, err)
 	b := bytes.NewBufferString("")
 	rootCmd.SetOut(b)

cmd/root.go

@@ -16,12 +16,12 @@ import (
 	"ldcli/internal/projects"
 )
 
-func NewRootCommand(flagsClient flags.Client, membersClient members.Client, projectsClient projects.Client) (*cobra.Command, error) {
+func NewRootCommand(flagsClient flags.Client, membersClient members.Client, projectsClient projects.Client, version string) (*cobra.Command, error) {
 	cmd := &cobra.Command{
 		Use:     "ldcli",
 		Short:   "LaunchDarkly CLI",
 		Long:    "LaunchDarkly CLI to control your feature flags",
-		Version: "0.0.1", // TODO: set this based on release or use `cmd.SetVersionTemplate(s string)`
+		Version: version,
 
 		// Handle errors differently based on type.
 		// We don't want to show the usage if the user has the right structure but invalid data such as
@@ -78,8 +78,8 @@ func NewRootCommand(flagsClient flags.Client, membersClient members.Client, proj
 	return cmd, nil
 }
 
-func Execute() {
-	rootCmd, err := NewRootCommand(flags.NewClient(), members.NewClient(), projects.NewClient())
+func Execute(version string) {
+	rootCmd, err := NewRootCommand(flags.NewClient(), members.NewClient(), projects.NewClient(), version)
 	if err != nil {
 		log.Fatal(err)
 	}

cmd/root_test.go

@@ -0,0 +1,24 @@
+package cmd
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"ldcli/internal/flags"
+)
+
+func TestCreate(t *testing.T) {
+	t.Run("with valid flags prints version", func(t *testing.T) {
+		client := flags.MockClient{}
+		args := []string{
+			"--version",
+		}
+
+		output, err := CallCmd(t, &client, nil, nil, args)
+
+		require.NoError(t, err)
+		assert.Contains(t, string(output), `ldcli version test`)
+	})
+}

main.go

@@ -2,6 +2,10 @@ package main
 
 import "ldcli/cmd"
 
+var (
+	version = "dev"
+)
+
 func main() {
-	cmd.Execute()
+	cmd.Execute(version)
 }