Chat Messages: components 201-220

examples/gallery/pages_chatmsg_test.go

@@ -0,0 +1,72 @@
+package main
+
+import (
+	"image/png"
+	"os"
+	"path/filepath"
+	"slices"
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+
+	mujica "mujicaui"
+)
+
+// chatmsgDemoTester runs the demo of page id and returns its tester and event log.
+func chatmsgDemoTester(t *testing.T, id string, mode mujica.Mode) (*ui.Tester, *[]string) {
+	t.Helper()
+	i := slices.IndexFunc(chatmsgPages, func(p page) bool { return p.ID == id })
+	if i < 0 {
+		t.Fatalf("no page %s", id)
+	}
+	events := &[]string{}
+	tt := ui.NewTester(func(c *ui.Context) {
+		mujica.Use(c, mujica.Settings{Mode: mode})
+		ui.Scroll(c).Fill().Padding(24).Gap(16).Children(func() {
+			chatmsgPages[i].Demo(c, func(s string) { *events = append(*events, s) })
+		})
+	}, 900, 800)
+	tt.SetPreferences(ui.Preferences{ReduceMotion: true, TextScale: 1})
+	tt.Frame()
+	return tt, events
+}
+
+func TestChatmsgDemosRender(t *testing.T) {
+	if len(chatmsgPages) != 20 {
+		t.Fatalf("%d chat message pages, want 20", len(chatmsgPages))
+	}
+	dir := os.Getenv("CHATMSG_DEMO_DIR")
+	for _, p := range chatmsgPages {
+		for _, m := range []mujica.Mode{mujica.Light, mujica.Dark} {
+			tt, _ := chatmsgDemoTester(t, p.ID, m)
+			if len(tt.Texts()) == 0 {
+				t.Errorf("%s: demo shows nothing", p.ID)
+			}
+			if dir == "" {
+				continue
+			}
+			f, err := os.Create(filepath.Join(dir, p.ID+"-"+m.String()+".png"))
+			if err != nil {
+				t.Fatal(err)
+			}
+			if err := png.Encode(f, tt.Image()); err != nil {
+				t.Fatal(err)
+			}
+			f.Close()
+		}
+	}
+}
+
+func TestChatmsgDemosLogEvents(t *testing.T) {
+	for id, click := range map[string]string{
+		"202": "Add message", "207": "Copy code", "214": "Regenerate", "216": "Next branch", "217": "Retry",
+	} {
+		tt, events := chatmsgDemoTester(t, id, mujica.Light)
+		if err := tt.Click(click); err != nil {
+			t.Fatalf("%s: %v", id, err)
+		}
+		if len(*events) == 0 {
+			t.Errorf("%s: clicking %q logged nothing", id, click)
+		}
+	}
+}