tests(charm): adds tests to charm experiment (#355)

Co-authored-by: Eden Zimbelman <eden.zimbelman@salesforce.com>

Author: srtaalej

internal/iostreams/charm.go

@@ -22,40 +22,50 @@ import (
 	"slices"
 
 	"github.com/charmbracelet/huh"
+	"github.com/slackapi/slack-cli/internal/style"
 )
 
-// charmInputPrompt prompts for text input using a charm huh form
-func charmInputPrompt(_ *IOStreams, _ context.Context, message string, cfg InputPromptConfig) (string, error) {
-	var input string
+// buildInputForm constructs a huh form for text input prompts.
+func buildInputForm(message string, cfg InputPromptConfig, input *string) *huh.Form {
 	field := huh.NewInput().
 		Title(message).
-		Value(&input)
+		Value(input)
 	if cfg.Required {
 		field.Validate(huh.ValidateMinLength(1))
 	}
-	err := huh.NewForm(huh.NewGroup(field)).WithTheme(ThemeSlack()).Run()
+	return huh.NewForm(huh.NewGroup(field)).WithTheme(style.ThemeSlack())
+}
+
+// charmInputPrompt prompts for text input using a charm huh form
+func charmInputPrompt(_ *IOStreams, _ context.Context, message string, cfg InputPromptConfig) (string, error) {
+	var input string
+	err := buildInputForm(message, cfg, &input).Run()
 	if err != nil {
 		return "", err
 	}
 	return input, nil
 }
 
+// buildConfirmForm constructs a huh form for yes/no confirmation prompts.
+func buildConfirmForm(message string, choice *bool) *huh.Form {
+	field := huh.NewConfirm().
+		Title(message).
+		Value(choice)
+	return huh.NewForm(huh.NewGroup(field)).WithTheme(style.ThemeSlack())
+}
+
 // charmConfirmPrompt prompts for a yes/no confirmation using a charm huh form
 func charmConfirmPrompt(_ *IOStreams, _ context.Context, message string, defaultValue bool) (bool, error) {
 	var choice = defaultValue
-	field := huh.NewConfirm().
-		Title(message).
-		Value(&choice)
-	err := huh.NewForm(huh.NewGroup(field)).WithTheme(ThemeSlack()).Run()
+	err := buildConfirmForm(message, &choice).Run()
 	if err != nil {
 		return false, err
 	}
 	return choice, nil
 }
 
-// charmSelectPrompt prompts the user to select one option using a charm huh form
-func charmSelectPrompt(_ *IOStreams, _ context.Context, msg string, options []string, cfg SelectPromptConfig) (SelectPromptResponse, error) {
-	var selected string
+// buildSelectForm constructs a huh form for single-selection prompts.
+func buildSelectForm(msg string, options []string, cfg SelectPromptConfig, selected *string) *huh.Form {
 	var opts []huh.Option[string]
 	for _, opt := range options {
 		key := opt
@@ -70,13 +80,19 @@ func charmSelectPrompt(_ *IOStreams, _ context.Context, msg string, options []st
 	field := huh.NewSelect[string]().
 		Title(msg).
 		Options(opts...).
-		Value(&selected)
+		Value(selected)
 
 	if cfg.PageSize > 0 {
 		field.Height(cfg.PageSize + 2)
 	}
 
-	err := huh.NewForm(huh.NewGroup(field)).WithTheme(ThemeSlack()).Run()
+	return huh.NewForm(huh.NewGroup(field)).WithTheme(style.ThemeSlack())
+}
+
+// charmSelectPrompt prompts the user to select one option using a charm huh form
+func charmSelectPrompt(_ *IOStreams, _ context.Context, msg string, options []string, cfg SelectPromptConfig) (SelectPromptResponse, error) {
+	var selected string
+	err := buildSelectForm(msg, options, cfg, &selected).Run()
 	if err != nil {
 		return SelectPromptResponse{}, err
 	}
@@ -85,26 +101,30 @@ func charmSelectPrompt(_ *IOStreams, _ context.Context, msg string, options []st
 	return SelectPromptResponse{Prompt: true, Index: index, Option: selected}, nil
 }
 
-// charmPasswordPrompt prompts for a password (hidden input) using a charm huh form
-func charmPasswordPrompt(_ *IOStreams, _ context.Context, message string, cfg PasswordPromptConfig) (PasswordPromptResponse, error) {
-	var input string
+// buildPasswordForm constructs a huh form for password (hidden input) prompts.
+func buildPasswordForm(message string, cfg PasswordPromptConfig, input *string) *huh.Form {
 	field := huh.NewInput().
 		Title(message).
 		EchoMode(huh.EchoModePassword).
-		Value(&input)
+		Value(input)
 	if cfg.Required {
 		field.Validate(huh.ValidateMinLength(1))
 	}
-	err := huh.NewForm(huh.NewGroup(field)).WithTheme(ThemeSlack()).Run()
+	return huh.NewForm(huh.NewGroup(field)).WithTheme(style.ThemeSlack())
+}
+
+// charmPasswordPrompt prompts for a password (hidden input) using a charm huh form
+func charmPasswordPrompt(_ *IOStreams, _ context.Context, message string, cfg PasswordPromptConfig) (PasswordPromptResponse, error) {
+	var input string
+	err := buildPasswordForm(message, cfg, &input).Run()
 	if err != nil {
 		return PasswordPromptResponse{}, err
 	}
 	return PasswordPromptResponse{Prompt: true, Value: input}, nil
 }
 
-// charmMultiSelectPrompt prompts the user to select multiple options using a charm huh form
-func charmMultiSelectPrompt(_ *IOStreams, _ context.Context, message string, options []string) ([]string, error) {
-	var selected []string
+// buildMultiSelectForm constructs a huh form for multiple-selection prompts.
+func buildMultiSelectForm(message string, options []string, selected *[]string) *huh.Form {
 	var opts []huh.Option[string]
 	for _, opt := range options {
 		opts = append(opts, huh.NewOption(opt, opt))
@@ -113,9 +133,15 @@ func charmMultiSelectPrompt(_ *IOStreams, _ context.Context, message string, opt
 	field := huh.NewMultiSelect[string]().
 		Title(message).
 		Options(opts...).
-		Value(&selected)
+		Value(selected)
 
-	err := huh.NewForm(huh.NewGroup(field)).WithTheme(ThemeSlack()).Run()
+	return huh.NewForm(huh.NewGroup(field)).WithTheme(style.ThemeSlack())
+}
+
+// charmMultiSelectPrompt prompts the user to select multiple options using a charm huh form
+func charmMultiSelectPrompt(_ *IOStreams, _ context.Context, message string, options []string) ([]string, error) {
+	var selected []string
+	err := buildMultiSelectForm(message, options, &selected).Run()
 	if err != nil {
 		return []string{}, err
 	}