feat: Add support for renaming workspaces (#3409)

* feat: Implement workspace renaming

* feat: Add hidden rename command (and data loss warning)

* feat: Implement database.IsUniqueViolation

cli/rename_test.go

@@ -0,0 +1,52 @@
+package cli_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"github.com/coder/coder/cli/clitest"
+	"github.com/coder/coder/coderd/coderdtest"
+	"github.com/coder/coder/pty/ptytest"
+	"github.com/coder/coder/testutil"
+)
+
+func TestRename(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)
+	workspace := coderdtest.CreateWorkspace(t, client, user.OrganizationID, template.ID)
+	coderdtest.AwaitWorkspaceBuildJob(t, client, workspace.LatestBuild.ID)
+
+	ctx, cancel := context.WithTimeout(context.Background(), testutil.WaitLong)
+	defer cancel()
+
+	want := workspace.Name + "-test"
+	cmd, root := clitest.New(t, "rename", workspace.Name, want, "--yes")
+	clitest.SetupConfig(t, client, root)
+	pty := ptytest.New(t)
+	cmd.SetIn(pty.Input())
+	cmd.SetOut(pty.Output())
+
+	errC := make(chan error, 1)
+	go func() {
+		errC <- cmd.ExecuteContext(ctx)
+	}()
+
+	pty.ExpectMatch("confirm rename:")
+	pty.WriteLine(workspace.Name)
+
+	require.NoError(t, <-errC)
+
+	ws, err := client.Workspace(ctx, workspace.ID)
+	assert.NoError(t, err)
+
+	got := ws.Name
+	assert.Equal(t, want, got, "workspace name did not change")
+}