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package list
import (
"testing"
tea "github.com/charmbracelet/bubbletea/v2"
"github.com/sst/opencode/internal/styles"
)
// testItem is a simple test implementation of ListItem
type testItem struct {
value string
}
func (t testItem) Render(
selected bool,
width int,
isFirstInViewport bool,
baseStyle styles.Style,
) string {
return t.value
}
func (t testItem) Selectable() bool {
return true
}
// createTestList creates a list with test items for testing
func createTestList() *listComponent[testItem] {
items := []testItem{
{value: "item1"},
{value: "item2"},
{value: "item3"},
}
list := NewListComponent(
WithItems(items),
WithMaxVisibleHeight[testItem](5),
WithFallbackMessage[testItem]("empty"),
WithAlphaNumericKeys[testItem](false),
WithRenderFunc(
func(item testItem, selected bool, width int, baseStyle styles.Style) string {
return item.Render(selected, width, false, baseStyle)
},
),
WithSelectableFunc(func(item testItem) bool {
return item.Selectable()
}),
)
return list.(*listComponent[testItem])
}
func TestArrowKeyNavigation(t *testing.T) {
list := createTestList()
// Test down arrow navigation
downKey := tea.KeyPressMsg{Code: tea.KeyDown}
updatedModel, _ := list.Update(downKey)
list = updatedModel.(*listComponent[testItem])
_, idx := list.GetSelectedItem()
if idx != 1 {
t.Errorf("Expected selected index 1 after down arrow, got %d", idx)
}
// Test up arrow navigation
upKey := tea.KeyPressMsg{Code: tea.KeyUp}
updatedModel, _ = list.Update(upKey)
list = updatedModel.(*listComponent[testItem])
_, idx = list.GetSelectedItem()
if idx != 0 {
t.Errorf("Expected selected index 0 after up arrow, got %d", idx)
}
}
func TestJKKeyNavigation(t *testing.T) {
items := []testItem{
{value: "item1"},
{value: "item2"},
{value: "item3"},
}
// Create list with alpha keys enabled
list := NewListComponent(
WithItems(items),
WithMaxVisibleHeight[testItem](5),
WithFallbackMessage[testItem]("empty"),
WithAlphaNumericKeys[testItem](true),
WithRenderFunc(
func(item testItem, selected bool, width int, baseStyle styles.Style) string {
return item.Render(selected, width, false, baseStyle)
},
),
WithSelectableFunc(func(item testItem) bool {
return item.Selectable()
}),
)
// Test j key (down)
jKey := tea.KeyPressMsg{Code: 'j', Text: "j"}
updatedModel, _ := list.Update(jKey)
list = updatedModel.(*listComponent[testItem])
_, idx := list.GetSelectedItem()
if idx != 1 {
t.Errorf("Expected selected index 1 after 'j' key, got %d", idx)
}
// Test k key (up)
kKey := tea.KeyPressMsg{Code: 'k', Text: "k"}
updatedModel, _ = list.Update(kKey)
list = updatedModel.(*listComponent[testItem])
_, idx = list.GetSelectedItem()
if idx != 0 {
t.Errorf("Expected selected index 0 after 'k' key, got %d", idx)
}
}
func TestCtrlNavigation(t *testing.T) {
list := createTestList()
// Test Ctrl-N (down)
ctrlN := tea.KeyPressMsg{Code: 'n', Mod: tea.ModCtrl}
updatedModel, _ := list.Update(ctrlN)
list = updatedModel.(*listComponent[testItem])
_, idx := list.GetSelectedItem()
if idx != 1 {
t.Errorf("Expected selected index 1 after Ctrl-N, got %d", idx)
}
// Test Ctrl-P (up)
ctrlP := tea.KeyPressMsg{Code: 'p', Mod: tea.ModCtrl}
updatedModel, _ = list.Update(ctrlP)
list = updatedModel.(*listComponent[testItem])
_, idx = list.GetSelectedItem()
if idx != 0 {
t.Errorf("Expected selected index 0 after Ctrl-P, got %d", idx)
}
}
func TestNavigationBoundaries(t *testing.T) {
list := createTestList()
// Test up arrow at first item (should wrap to last item)
upKey := tea.KeyPressMsg{Code: tea.KeyUp}
updatedModel, _ := list.Update(upKey)
list = updatedModel.(*listComponent[testItem])
_, idx := list.GetSelectedItem()
if idx != 2 {
t.Errorf("Expected to wrap to index 2 when pressing up at first item, got %d", idx)
}
// Move to first item
list.SetSelectedIndex(0)
// Move to last item
downKey := tea.KeyPressMsg{Code: tea.KeyDown}
updatedModel, _ = list.Update(downKey)
list = updatedModel.(*listComponent[testItem])
updatedModel, _ = list.Update(downKey)
list = updatedModel.(*listComponent[testItem])
_, idx = list.GetSelectedItem()
if idx != 2 {
t.Errorf("Expected to be at index 2, got %d", idx)
}
// Test down arrow at last item (should wrap to first item)
updatedModel, _ = list.Update(downKey)
list = updatedModel.(*listComponent[testItem])
_, idx = list.GetSelectedItem()
if idx != 0 {
t.Errorf("Expected to wrap to index 0 when pressing down at last item, got %d", idx)
}
}
func TestEmptyList(t *testing.T) {
emptyList := NewListComponent(
WithItems([]testItem{}),
WithMaxVisibleHeight[testItem](5),
WithFallbackMessage[testItem]("empty"),
WithAlphaNumericKeys[testItem](false),
WithRenderFunc(
func(item testItem, selected bool, width int, baseStyle styles.Style) string {
return item.Render(selected, width, false, baseStyle)
},
),
WithSelectableFunc(func(item testItem) bool {
return item.Selectable()
}),
)
// Test navigation on empty list (should not crash)
downKey := tea.KeyPressMsg{Code: tea.KeyDown}
upKey := tea.KeyPressMsg{Code: tea.KeyUp}
ctrlN := tea.KeyPressMsg{Code: 'n', Mod: tea.ModCtrl}
ctrlP := tea.KeyPressMsg{Code: 'p', Mod: tea.ModCtrl}
updatedModel, _ := emptyList.Update(downKey)
emptyList = updatedModel.(*listComponent[testItem])
updatedModel, _ = emptyList.Update(upKey)
emptyList = updatedModel.(*listComponent[testItem])
updatedModel, _ = emptyList.Update(ctrlN)
emptyList = updatedModel.(*listComponent[testItem])
updatedModel, _ = emptyList.Update(ctrlP)
emptyList = updatedModel.(*listComponent[testItem])
// Verify empty list behavior
_, idx := emptyList.GetSelectedItem()
if idx != -1 {
t.Errorf("Expected index -1 for empty list, got %d", idx)
}
if !emptyList.IsEmpty() {
t.Error("Expected IsEmpty() to return true for empty list")
}
}
func TestWrapAroundNavigation(t *testing.T) {
list := createTestList()
// Start at first item (index 0)
_, idx := list.GetSelectedItem()
if idx != 0 {
t.Errorf("Expected to start at index 0, got %d", idx)
}
// Press up arrow - should wrap to last item (index 2)
upKey := tea.KeyPressMsg{Code: tea.KeyUp}
updatedModel, _ := list.Update(upKey)
list = updatedModel.(*listComponent[testItem])
_, idx = list.GetSelectedItem()
if idx != 2 {
t.Errorf("Expected to wrap to index 2 when pressing up from first item, got %d", idx)
}
// Press down arrow - should wrap to first item (index 0)
downKey := tea.KeyPressMsg{Code: tea.KeyDown}
updatedModel, _ = list.Update(downKey)
list = updatedModel.(*listComponent[testItem])
_, idx = list.GetSelectedItem()
if idx != 0 {
t.Errorf("Expected to wrap to index 0 when pressing down from last item, got %d", idx)
}
// Navigate to middle and verify normal navigation still works
updatedModel, _ = list.Update(downKey)
list = updatedModel.(*listComponent[testItem])
_, idx = list.GetSelectedItem()
if idx != 1 {
t.Errorf("Expected to move to index 1, got %d", idx)
}
}
|
