main_test.go: Test showHelp key (see 6e62971)

config.go

@@ -33,6 +33,7 @@ type Keymaps struct {
 	ToggleDate []string
 	OpenWeb    []string
 	Now        []string
+	Help       []string
 	Quit       []string
 }
 
@@ -53,6 +54,7 @@ var DefaultKeymaps = Keymaps{
 	ToggleDate: []string{"d"},
 	OpenWeb:    []string{"o"},
 	Now:        []string{"t"},
+	Help:       []string{"?"},
 	Quit:       []string{"q", "ctrl+c", "esc"},
 }
 
@@ -141,6 +143,7 @@ func LoadConfig(tzConfigs []string) (*Config, error) {
 		mergedConfig.Keymaps.ToggleDate,
 		mergedConfig.Keymaps.OpenWeb,
 		mergedConfig.Keymaps.Now,
+		mergedConfig.Keymaps.Help,
 		mergedConfig.Keymaps.Quit,
 	}
 	var keysUsed = make(map[string]bool)

config_file.go

@@ -33,6 +33,7 @@ type ConfigFileKeymaps struct {
 	ToggleDate []string `toml:"toggle_date"`
 	OpenWeb    []string `toml:"open_web"`
 	Now        []string `toml:"now"`
+	Help       []string `toml:"help"`
 	Quit       []string `toml:"quit"`
 }
 

main.go

@@ -134,7 +134,7 @@ func (m *model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		case match(key, m.keymaps.ToggleDate):
 			m.showDates = !m.showDates
 
-		case key == "?":
+		case match(key, m.keymaps.Help):
 			m.showHelp = !m.showHelp
 		}
 

main_test.go

@@ -43,6 +43,7 @@ var (
 	utcMinuteAfterMidnightModel = model{
 		zones:      DefaultZones[len(DefaultZones) - 1:],
 		clock:      *NewClockTime(utcMinuteAfterMidnightTime),
+		keymaps:    DefaultKeymaps,
 		isMilitary: true,
 		showDates:  true,
 	}
@@ -155,6 +156,53 @@ func TestUpdateDecHour(t *testing.T) {
 	}
 }
 
+func TestUpdateShowHelpMsg(t *testing.T) {
+	// "?" key -> help
+	msg := tea.KeyMsg{
+		Type:  tea.KeyRunes,
+		Runes: []rune{'?'},
+		Alt:   false,
+	}
+
+	m := utcMinuteAfterMidnightModel
+	if m.showHelp {
+		t.Error("showHelp should be disabled by default")
+	}
+
+	status1 := status(m)
+
+	if _, cmd := m.Update(msg); cmd != nil {
+		t.Fatalf("Expected nil Cmd, but got %v", cmd)
+	}
+
+	if !m.showHelp {
+		t.Error("showHelp not enabled by '?' key")
+	}
+
+	oldHasDarkBackground := hasDarkBackground
+	hasDarkBackground = true
+	status2 := status(m)
+	hasDarkBackground = oldHasDarkBackground
+
+	if status2 == status1 || !strings.Contains(status2, "d: toggle date") {
+		t.Errorf("Expected help, but got:\n%v", status2)
+	}
+
+	if _, cmd := m.Update(msg); cmd != nil {
+		t.Fatalf("Expected nil Cmd, but got %v", cmd)
+	}
+
+	if m.showHelp {
+		t.Error("showHelp not toggled")
+	}
+
+	status3 := status(m)
+
+	if status3 != status1 {
+		t.Errorf("Expected final status identical to initial status, but got:\n%v", status3)
+	}
+}
+
 func TestUpdateQuitMsg(t *testing.T) {
 	// "q" key -> quit
 	msg := tea.KeyMsg{