coder · mtojek · Jan 24, 2023 · Jan 18, 2023 · Jan 18, 2023 · Jan 18, 2023
diff --git a/cli/cliui/parameter.go b/cli/cliui/parameter.go
@@ -67,20 +67,21 @@ func RichParameter(cmd *cobra.Command, templateVersionParameter codersdk.Templat
 		_, _ = fmt.Fprintln(cmd.OutOrStdout(), "  "+strings.TrimSpace(strings.Join(strings.Split(templateVersionParameter.Description, "\n"), "\n  "))+"\n")
 	}
 
-	// TODO Implement full validation and show descriptions.
 	var err error
 	var value string
 	if len(templateVersionParameter.Options) > 0 {
 		// Move the cursor up a single line for nicer display!
 		_, _ = fmt.Fprint(cmd.OutOrStdout(), "\033[1A")
-		value, err = Select(cmd, SelectOptions{
-			Options:    templateVersionParameterOptionValues(templateVersionParameter),
+		var richParameterOption *codersdk.TemplateVersionParameterOption
+		richParameterOption, err = RichSelect(cmd, RichSelectOptions{
+			Options:    templateVersionParameter.Options,
 			Default:    templateVersionParameter.DefaultValue,
 			HideSearch: true,
 		})
 		if err == nil {
 			_, _ = fmt.Fprintln(cmd.OutOrStdout())
-			_, _ = fmt.Fprintln(cmd.OutOrStdout(), "  "+Styles.Prompt.String()+Styles.Field.Render(value))
+			_, _ = fmt.Fprintln(cmd.OutOrStdout(), "  "+Styles.Prompt.String()+Styles.Field.Render(richParameterOption.Name))
+			value = richParameterOption.Value
 		}
 	} else {
 		text := "Enter a value"
@@ -91,6 +92,9 @@ func RichParameter(cmd *cobra.Command, templateVersionParameter codersdk.Templat
 
 		value, err = Prompt(cmd, PromptOptions{
 			Text: Styles.Bold.Render(text),
+			Validate: func(value string) error {
+				return validateRichPrompt(value, templateVersionParameter)
+			},
 		})
 		value = strings.TrimSpace(value)
 	}
@@ -106,10 +110,9 @@ func RichParameter(cmd *cobra.Command, templateVersionParameter codersdk.Templat
 	return value, nil
 }
 
-func templateVersionParameterOptionValues(param codersdk.TemplateVersionParameter) []string {
-	var options []string
-	for _, opt := range param.Options {
-		options = append(options, opt.Value)
-	}
-	return options
+func validateRichPrompt(value string, p codersdk.TemplateVersionParameter) error {
+	return codersdk.ValidateWorkspaceBuildParameter(p, codersdk.WorkspaceBuildParameter{
+		Name:  p.Name,
+		Value: value,
+	})
 }
diff --git a/cli/cliui/select.go b/cli/cliui/select.go
@@ -9,6 +9,9 @@ import (
 	"github.com/AlecAivazis/survey/v2"
 	"github.com/AlecAivazis/survey/v2/terminal"
 	"github.com/spf13/cobra"
+	"golang.org/x/xerrors"
+
+	"github.com/coder/coder/codersdk"
 )
 
 func init() {
@@ -42,6 +45,42 @@ type SelectOptions struct {
 	HideSearch bool
 }
 
+type RichSelectOptions struct {
+	Options    []codersdk.TemplateVersionParameterOption
+	Default    string
+	Size       int
+	HideSearch bool
+}
+
+// RichSelect displays a list of user options including name and description.
+func RichSelect(cmd *cobra.Command, richOptions RichSelectOptions) (*codersdk.TemplateVersionParameterOption, error) {
+	opts := make([]string, len(richOptions.Options))
+	for i, option := range richOptions.Options {
+		line := option.Name
+		if len(option.Description) > 0 {
+			line += ": " + option.Description
+		}
+		opts[i] = line
+	}
+
+	selected, err := Select(cmd, SelectOptions{
+		Options:    opts,
+		Default:    richOptions.Default,
+		Size:       richOptions.Size,
+		HideSearch: richOptions.HideSearch,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	for i, option := range opts {
+		if option == selected {
+			return &richOptions.Options[i], nil
+		}
+	}
+	return nil, xerrors.Errorf("unknown option selected: %s", selected)
+}
+
 // Select displays a list of user options.
 func Select(cmd *cobra.Command, opts SelectOptions) (string, error) {
 	// The survey library used *always* fails when testing on Windows,

diff --git a/cli/cliui/select_test.go b/cli/cliui/select_test.go
@@ -9,6 +9,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/coder/coder/cli/cliui"
+	"github.com/coder/coder/codersdk"
 	"github.com/coder/coder/pty/ptytest"
 )
 
@@ -42,3 +43,46 @@ func newSelect(ptty *ptytest.PTY, opts cliui.SelectOptions) (string, error) {
 	cmd.SetIn(ptty.Input())
 	return value, cmd.ExecuteContext(context.Background())
 }
+
+func TestRichSelect(t *testing.T) {
+	t.Parallel()
+	t.Run("RichSelect", func(t *testing.T) {
+		t.Parallel()
+		ptty := ptytest.New(t)
+		msgChan := make(chan string)
+		go func() {
+			resp, err := newRichSelect(ptty, cliui.RichSelectOptions{
+				Options: []codersdk.TemplateVersionParameterOption{
+					{
+						Name:        "A-Name",
+						Value:       "A-Value",
+						Description: "A-Description",
+					}, {
+						Name:        "B-Name",
+						Value:       "B-Value",
+						Description: "B-Description",
+					},
+				},
+			})
+			assert.NoError(t, err)
+			msgChan <- resp
+		}()
+		require.Equal(t, "A-Value", <-msgChan)
+	})
+}
+
+func newRichSelect(ptty *ptytest.PTY, opts cliui.RichSelectOptions) (string, error) {
+	value := ""
+	cmd := &cobra.Command{
+		RunE: func(cmd *cobra.Command, args []string) error {
+			richOption, err := cliui.RichSelect(cmd, opts)
+			if err == nil {
+				value = richOption.Value
+			}
+			return err
+		},
+	}
+	cmd.SetOutput(ptty.Output())
+	cmd.SetIn(ptty.Input())
+	return value, cmd.ExecuteContext(context.Background())
+}
diff --git a/cli/create_test.go b/cli/create_test.go
@@ -439,6 +439,168 @@ func TestCreateWithRichParameters(t *testing.T) {
 	})
 }
 
+func TestCreateValidateRichParameters(t *testing.T) {
+	t.Parallel()
+
+	const (
+		stringParameterName  = "string_parameter"
+		stringParameterValue = "abc"
+
+		numberParameterName  = "number_parameter"
+		numberParameterValue = "7"
+
+		boolParameterName  = "bool_parameter"
+		boolParameterValue = "true"
+	)
+
+	numberRichParameters := []*proto.RichParameter{
+		{Name: numberParameterName, Type: "number", Mutable: true, ValidationMin: 3, ValidationMax: 10},
+	}
+
+	stringRichParameters := []*proto.RichParameter{
+		{Name: stringParameterName, Type: "string", Mutable: true, ValidationRegex: "^[a-z]+$", ValidationError: "this is error"},
+	}
+
+	boolRichParameters := []*proto.RichParameter{
+		{Name: boolParameterName, Type: "bool", Mutable: true},
+	}
+
+	prepareEchoResponses := func(richParameters []*proto.RichParameter) *echo.Responses {
+		return &echo.Responses{
+			Parse: echo.ParseComplete,
+			ProvisionPlan: []*proto.Provision_Response{
+				{
+					Type: &proto.Provision_Response_Complete{
+						Complete: &proto.Provision_Complete{
+							Parameters: richParameters,
+						},
+					},
+				}},
+			ProvisionApply: []*proto.Provision_Response{
+				{
+					Type: &proto.Provision_Response_Complete{
+						Complete: &proto.Provision_Complete{},
+					},
+				},
+			},
+		}
+	}
+
+	t.Run("ValidateString", func(t *testing.T) {
+		t.Parallel()
+
+		client := coderdtest.New(t, &coderdtest.Options{IncludeProvisionerDaemon: true})
+		user := coderdtest.CreateFirstUser(t, client)
+		version := coderdtest.CreateTemplateVersion(t, client, user.OrganizationID, prepareEchoResponses(stringRichParameters))
+		coderdtest.AwaitTemplateVersionJob(t, client, version.ID)
+
+		template := coderdtest.CreateTemplate(t, client, user.OrganizationID, version.ID)
+
+		cmd, root := clitest.New(t, "create", "my-workspace", "--template", template.Name)
+		clitest.SetupConfig(t, client, root)
+		doneChan := make(chan struct{})
+		pty := ptytest.New(t)
+		cmd.SetIn(pty.Input())
+		cmd.SetOut(pty.Output())
+		go func() {
+			defer close(doneChan)
+			err := cmd.Execute()
+			assert.NoError(t, err)
+		}()
+
+		matches := []string{
+			stringParameterName, "$$",
+			"does not match", "",
+			"Enter a value", "abc",
+			"Confirm create?", "yes",
+		}
+		for i := 0; i < len(matches); i += 2 {
+			match := matches[i]
+			value := matches[i+1]
+			pty.ExpectMatch(match)
+			pty.WriteLine(value)
+		}
+		<-doneChan
+	})
+
+	t.Run("ValidateNumber", func(t *testing.T) {
+		t.Parallel()
+
+		client := coderdtest.New(t, &coderdtest.Options{IncludeProvisionerDaemon: true})
+		user := coderdtest.CreateFirstUser(t, client)
+		version := coderdtest.CreateTemplateVersion(t, client, user.OrganizationID, prepareEchoResponses(numberRichParameters))
+		coderdtest.AwaitTemplateVersionJob(t, client, version.ID)
+
+		template := coderdtest.CreateTemplate(t, client, user.OrganizationID, version.ID)
+
+		cmd, root := clitest.New(t, "create", "my-workspace", "--template", template.Name)
+		clitest.SetupConfig(t, client, root)
+		doneChan := make(chan struct{})
+		pty := ptytest.New(t)
+		cmd.SetIn(pty.Input())
+		cmd.SetOut(pty.Output())
+		go func() {
+			defer close(doneChan)
+			err := cmd.Execute()
+			assert.NoError(t, err)
+		}()
+
+		matches := []string{
+			numberParameterName, "12",
+			"is more than the maximum", "",
+			"Enter a value", "8",
+			"Confirm create?", "yes",
+		}
+		for i := 0; i < len(matches); i += 2 {
+			match := matches[i]
+			value := matches[i+1]
+			pty.ExpectMatch(match)
+
+			if value != "" {
+				pty.WriteLine(value)
+			}
+		}
+		<-doneChan
+	})
+
+	t.Run("ValidateBool", func(t *testing.T) {
+		t.Parallel()
+
+		client := coderdtest.New(t, &coderdtest.Options{IncludeProvisionerDaemon: true})
+		user := coderdtest.CreateFirstUser(t, client)
+		version := coderdtest.CreateTemplateVersion(t, client, user.OrganizationID, prepareEchoResponses(boolRichParameters))
+		coderdtest.AwaitTemplateVersionJob(t, client, version.ID)
+
+		template := coderdtest.CreateTemplate(t, client, user.OrganizationID, version.ID)
+
+		cmd, root := clitest.New(t, "create", "my-workspace", "--template", template.Name)
+		clitest.SetupConfig(t, client, root)
+		doneChan := make(chan struct{})
+		pty := ptytest.New(t)
+		cmd.SetIn(pty.Input())
+		cmd.SetOut(pty.Output())
+		go func() {
+			defer close(doneChan)
+			err := cmd.Execute()
+			assert.NoError(t, err)
+		}()
+
+		matches := []string{
+			boolParameterName, "cat",
+			"boolean value can be either", "",
+			"Enter a value", "true",
+			"Confirm create?", "yes",
+		}
+		for i := 0; i < len(matches); i += 2 {
+			match := matches[i]
+			value := matches[i+1]
+			pty.ExpectMatch(match)
+			pty.WriteLine(value)
+		}
+		<-doneChan
+	})
+}
+
 func createTestParseResponseWithDefault(defaultValue string) []*proto.Parse_Response {
 	return []*proto.Parse_Response{{
 		Type: &proto.Parse_Response_Complete{