coder · AbhineetJain · Jul 26, 2022 · Jul 21, 2022 · Jul 21, 2022 · Jul 21, 2022
diff --git a/cli/templatelist.go b/cli/templatelist.go
@@ -13,6 +13,7 @@ func templateList() *cobra.Command {
 	)
 	cmd := &cobra.Command{
 		Use:     "list",
+		Short:   "List all the templates available for the organization",
 		Aliases: []string{"ls"},
 		RunE: func(cmd *cobra.Command, args []string) error {
 			client, err := createClient(cmd)

diff --git a/cli/templatelist_test.go b/cli/templatelist_test.go
@@ -0,0 +1,65 @@
+package cli_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/coder/coder/cli/clitest"
+	"github.com/coder/coder/coderd/coderdtest"
+	"github.com/coder/coder/pty/ptytest"
+)
+
+func TestTemplateList(t *testing.T) {
+	t.Parallel()
+	t.Run("ListTemplates", func(t *testing.T) {
+		t.Parallel()
+		client := coderdtest.New(t, &coderdtest.Options{IncludeProvisionerD: true})
+		user := coderdtest.CreateFirstUser(t, client)
+		firstVersion := coderdtest.CreateTemplateVersion(t, client, user.OrganizationID, nil)
+		_ = coderdtest.AwaitTemplateVersionJob(t, client, firstVersion.ID)
+		firstTemplate := coderdtest.CreateTemplate(t, client, user.OrganizationID, firstVersion.ID)
+
+		secondVersion := coderdtest.CreateTemplateVersion(t, client, user.OrganizationID, nil)
+		_ = coderdtest.AwaitTemplateVersionJob(t, client, secondVersion.ID)
+		secondTemplate := coderdtest.CreateTemplate(t, client, user.OrganizationID, secondVersion.ID)
+
+		cmd, root := clitest.New(t, "templates", "list")
+		clitest.SetupConfig(t, client, root)
+
+		pty := ptytest.New(t)
+		cmd.SetIn(pty.Input())
+		cmd.SetOut(pty.Output())
+
+		errC := make(chan error)
+		go func() {
+			errC <- cmd.Execute()
+		}()
+
+		require.NoError(t, <-errC)
+
+		pty.ExpectMatch(firstTemplate.Name)
+		pty.ExpectMatch(secondTemplate.Name)
+	})
+	t.Run("NoTemplates", func(t *testing.T) {
+		t.Parallel()
+		client := coderdtest.New(t, &coderdtest.Options{IncludeProvisionerD: true})
+		coderdtest.CreateFirstUser(t, client)
+
+		cmd, root := clitest.New(t, "templates", "list")
+		clitest.SetupConfig(t, client, root)
+
+		pty := ptytest.New(t)
+		cmd.SetIn(pty.Input())
+		cmd.SetOut(pty.Output())
+
+		errC := make(chan error)
+		go func() {
+			errC <- cmd.Execute()
+		}()
+
+		require.NoError(t, <-errC)
+
+		pty.ExpectMatch("No templates found in testuser! Create one:")
+	})
+}
diff --git a/cli/templateversions.go b/cli/templateversions.go
@@ -1,15 +1,80 @@
 package cli
 
-import "github.com/spf13/cobra"
+import (
+	"fmt"
+
+	"github.com/jedib0t/go-pretty/v6/table"
+	"github.com/spf13/cobra"
+	"golang.org/x/xerrors"
+
+	"github.com/coder/coder/cli/cliui"
+	"github.com/coder/coder/codersdk"
+)
 
 func templateVersions() *cobra.Command {
-	return &cobra.Command{
+	cmd := &cobra.Command{
 		Use:     "versions",
+		Short:   "Manage different versions of the specified template",
 		Aliases: []string{"version"},
+		Example: formatExamples(
+			example{
+				Description: "Show versions of a specific template",
+				Command:     "coder templates versions show my-template",
+			},
+		),
+	}
+	cmd.AddCommand(
+		templateVersionsShow(),
+	)
+
+	return cmd
+}
+
+func templateVersionsShow() *cobra.Command {
+	return &cobra.Command{
+		Use:   "show <template>",
+		Args:  cobra.ExactArgs(1),
+		Short: "List all the versions of the specified template",
 		RunE: func(cmd *cobra.Command, args []string) error {
-			return nil
+			client, err := createClient(cmd)
+			if err != nil {
+				return xerrors.Errorf("create client: %w", err)
+			}
+			organization, err := currentOrganization(cmd, client)
+			if err != nil {
+				return xerrors.Errorf("get current organization: %w", err)
+			}
+			template, err := client.TemplateByName(cmd.Context(), organization.ID, args[0])
+			if err != nil {
+				return xerrors.Errorf("get template by name: %w", err)
+			}
+			req := codersdk.TemplateVersionsByTemplateRequest{
+				TemplateID: template.ID,
+			}
+
+			versions, err := client.TemplateVersionsByTemplate(cmd.Context(), req)
+			if err != nil {
+				return xerrors.Errorf("get template versions by template: %w", err)
+			}
+			_, err = fmt.Fprintln(cmd.OutOrStdout(), displayTemplateVersions(versions...))
+			return err
 		},
 	}
 }
 
-// coder template versions
+// displayTemplateVersions will return a table displaying existing
+// template versions for the specified template.
+func displayTemplateVersions(templateVersions ...codersdk.TemplateVersion) string {
+	tableWriter := cliui.Table()
+	header := table.Row{
+		"Name", "Created At", "Created By"}
+	tableWriter.AppendHeader(header)
+	for _, templateVersion := range templateVersions {
+		tableWriter.AppendRow(table.Row{
+			templateVersion.Name,
+			templateVersion.CreatedAt.Format("03:04:05 PM MST on Jan 2, 2006"),
+			templateVersion.CreatedByName,
+		})
+	}
+	return tableWriter.Render()
+}
diff --git a/cli/templateversions_test.go b/cli/templateversions_test.go
@@ -0,0 +1,40 @@
+package cli_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/coder/coder/cli/clitest"
+	"github.com/coder/coder/coderd/coderdtest"
+	"github.com/coder/coder/pty/ptytest"
+)
+
+func TestTemplateVersions(t *testing.T) {
+	t.Parallel()
+	t.Run("ListVersions", func(t *testing.T) {
+		t.Parallel()
+		client := coderdtest.New(t, &coderdtest.Options{IncludeProvisionerD: true})
+		user := coderdtest.CreateFirstUser(t, client)
+		version := coderdtest.CreateTemplateVersion(t, client, user.OrganizationID, nil)
+		_ = coderdtest.AwaitTemplateVersionJob(t, client, version.ID)
+		template := coderdtest.CreateTemplate(t, client, user.OrganizationID, version.ID)
+
+		cmd, root := clitest.New(t, "templates", "versions", "show", template.Name)
+		clitest.SetupConfig(t, client, root)
+
+		pty := ptytest.New(t)
+		cmd.SetIn(pty.Input())
+		cmd.SetOut(pty.Output())
+
+		errC := make(chan error)
+		go func() {
+			errC <- cmd.Execute()
+		}()
+
+		require.NoError(t, <-errC)
+
+		pty.ExpectMatch(version.Name)
+		pty.ExpectMatch(version.CreatedByName)
+	})
+}