feat(theming): add catppuccin, dracula, nord, tokyonight themes

internal/theming/theming_test.go

@@ -148,3 +148,36 @@ func TestApplyNoChadrcIsFine(t *testing.T) {
 		t.Fatal(err)
 	}
 }
+
+func TestAllFiveThemesPresent(t *testing.T) {
+	want := []string{"catppuccin", "dracula", "gruvbox", "nord", "tokyonight"}
+	themes := List()
+	if len(themes) != len(want) {
+		t.Fatalf("want %d themes, got %d", len(want), len(themes))
+	}
+	for i, id := range want {
+		if themes[i].ID != id {
+			t.Fatalf("themes[%d].ID = %q, want %q", i, themes[i].ID, id)
+		}
+	}
+}
+
+func TestApplyEachThemeWritesStarship(t *testing.T) {
+	for _, id := range []string{"catppuccin", "dracula", "nord", "tokyonight"} {
+		id := id
+		t.Run(id, func(t *testing.T) {
+			home := t.TempDir()
+			t.Setenv("HOME", home)
+			if err := Apply(config.Config{}, id); err != nil {
+				t.Fatal(err)
+			}
+			data, err := os.ReadFile(filepath.Join(home, ".config", "starship.toml"))
+			if err != nil {
+				t.Fatal(err)
+			}
+			if len(data) == 0 {
+				t.Fatal("empty starship.toml")
+			}
+		})
+	}
+}