WIP components (as built)

presence_test.go

@@ -0,0 +1,85 @@
+package mujica
+
+import (
+	"testing"
+	"time"
+
+	"github.com/egoist/mygo/ui"
+)
+
+func TestPresenceEntersExitsAndRemoves(t *testing.T) {
+	for _, kind := range []PresenceKind{PresenceFade, PresenceSlide, PresenceCollapse} {
+		show := false
+		tt, n := motionFrames(func(c *ui.Context) {
+			ui.Column(c).Children(func() {
+				Presence(c, show, PresenceOptions{Kind: kind}, func() { ui.Text(c, "Notice") })
+				ui.Text(c, "Below")
+			})
+		}, 300, 120)
+		if tt.HasText("Notice") {
+			t.Fatal("hidden content built")
+		}
+		show = true
+		before := *n
+		tt.Frame()
+		if !tt.HasText("Notice") || *n-before < 3 {
+			t.Fatalf("kind %d: no entry motion (%d frames)", kind, *n-before)
+		}
+		time.Sleep(250 * time.Millisecond)
+		tt.Frame()
+		show = false
+		before = *n
+		tt.Frame()
+		if *n-before < 3 {
+			t.Fatalf("kind %d: no exit motion", kind)
+		}
+		time.Sleep(250 * time.Millisecond)
+		tt.Frame()
+		if tt.HasText("Notice") || motionBusy(tt, n) {
+			t.Fatalf("kind %d: not removed after exit", kind)
+		}
+	}
+}
+
+func TestPresenceReducedMotionAndInvalid(t *testing.T) {
+	show := false
+	tt, n := motionFrames(func(c *ui.Context) {
+		ui.Column(c).Children(func() { Presence(c, show, PresenceOptions{Kind: PresenceSlide}, func() { ui.Text(c, "Notice") }) })
+	}, 300, 120)
+	tt.SetPreferences(ui.Preferences{ReduceMotion: true, TextScale: 1})
+	show = true
+	if motionBusy(tt, n) || !tt.HasText("Notice") {
+		t.Fatal("reduced motion animated")
+	}
+	defer func() {
+		if recover() == nil {
+			t.Fatal("unknown kind did not panic")
+		}
+	}()
+	ui.Render(func(c *ui.Context) { Use(c, Settings{}); Presence(c, true, PresenceOptions{Kind: 9}, nil) }, 100, 50, 1)
+}
+
+func TestPresenceSnapshot(t *testing.T) {
+	snapshot(t, "presence", 300, 100, func(c *ui.Context) {
+		ui.Column(c).Padding(16).Children(func() {
+			Presence(c, true, PresenceOptions{}, func() { ui.Text(c, "The doors open.") })
+		})
+	})
+}
+
+func TestPresenceReducedMotionCancelsActiveExit(t *testing.T) {
+	show := true
+	tt, n := motionFrames(func(c *ui.Context) {
+		Presence(c, show, PresenceOptions{Duration: 5 * time.Second}, func() { ui.Text(c, "Leaving notice") })
+	}, 300, 100)
+	show = false
+	tt.Frame()
+	tt.SetPreferences(ui.Preferences{ReduceMotion: true, TextScale: 1})
+	if motionBusy(tt, n) || tt.HasText("Leaving notice") {
+		t.Fatal("active exit continued under reduced motion")
+	}
+	tt.SetPreferences(ui.Preferences{TextScale: 1})
+	if motionBusy(tt, n) {
+		t.Fatal("exit replayed after restoring motion")
+	}
+}