chore(key): add Matches test

key/key_test.go

@@ -2,6 +2,8 @@ package key
 
 import (
 	"testing"
+
+	tea "github.com/charmbracelet/bubbletea/v2"
 )
 
 func TestBinding_Enabled(t *testing.T) {
@@ -24,3 +26,44 @@ func TestBinding_Enabled(t *testing.T) {
 		t.Errorf("expected key not to be Enabled")
 	}
 }
+
+func TestMatches(t *testing.T) {
+	cases := []struct {
+		key      tea.KeyMsg
+		bindings []Binding
+	}{
+		{
+			key: tea.KeyPressMsg{Code: 'k', Text: "k"},
+			bindings: []Binding{
+				NewBinding(
+					WithKeys("k", "up"),
+					WithHelp("↑/k", "move up"),
+				),
+			},
+		},
+		{
+			key: tea.KeyPressMsg{Code: '/', Mod: tea.ModShift, Text: "?"},
+			bindings: []Binding{
+				NewBinding(
+					WithKeys("?"),
+					WithHelp("?", "search"),
+				),
+			},
+		},
+		{
+			key: tea.KeyPressMsg{Code: 'a', Mod: tea.ModCtrl},
+			bindings: []Binding{
+				NewBinding(
+					WithKeys("ctrl+a"),
+					WithHelp("ctrl+a", "select all"),
+				),
+			},
+		},
+	}
+
+	for i, c := range cases {
+		if !Matches(c.key, c.bindings...) {
+			t.Errorf("case %d: expected key (%q) to match binding(s)", i+1, c.key.String())
+		}
+	}
+}