IMPROVEMENT-26: List title should show the command which is going to …

…be executed (#27)

IMPROVEMENT-26: List title should show the command which is going to be executed

internal/ui/component/hostlist/list.go

@@ -272,7 +272,7 @@ func (m listModel) listTitleUpdate(msg tea.Msg) listModel {
 			return m
 		}
 
-		m.innerModel.Title = fmt.Sprintf("goto: %s", item.Unwrap().Address)
+		m.innerModel.Title = ssh.ConstructCMD("ssh", utils.HostModelToOptionsAdaptor(*item.Unwrap())...)
 
 		return m
 	}

internal/ui/component/hostlist/list_test.go

@@ -0,0 +1,47 @@
+// Package hostlist implements the host list view.
+package hostlist
+
+import (
+	"errors"
+	"testing"
+
+	"github.com/charmbracelet/bubbles/list"
+	"github.com/stretchr/testify/require"
+
+	"github.com/grafviktor/goto/internal/model"
+)
+
+func TestListTitleUpdate(t *testing.T) {
+	// List title should show error message if error happened
+	t.Run("Error Message", func(t *testing.T) {
+		errMsg := errors.New("test error")
+		msg := msgErrorOccured{err: errMsg}
+		model := listModel{innerModel: list.New([]list.Item{}, list.NewDefaultDelegate(), 0, 0)}
+		newModel := model.listTitleUpdate(msg)
+
+		if newModel.innerModel.Title != errMsg.Error() {
+			t.Errorf("Expected title to be %q, but got %q", errMsg.Error(), newModel.innerModel.Title)
+		}
+	})
+
+	t.Run("Focus Changed Message", func(t *testing.T) {
+		// Create a new host
+		h := model.NewHost(0, "", "", "localhost", "root", "id_rsa", "2222")
+
+		// Create items
+		items := []list.Item{ListItemHost{h}}
+
+		// Create a lm with initial state
+		lm := listModel{innerModel: list.New(items, list.NewDefaultDelegate(), 0, 0)}
+
+		// Select host
+		lm.innerModel.Select(0)
+
+		// Create a message of type msgFocusChanged
+		msg := msgFocusChanged{}
+		// Apply the function
+		lm = lm.listTitleUpdate(msg)
+
+		require.Equal(t, lm.innerModel.Title, "ssh localhost -l root -p 2222 -i id_rsa")
+	})
+}