Media: components 341-360

image_compare_test.go

@@ -0,0 +1,73 @@
+package mujica
+
+import (
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+)
+
+func compareTester(split *float64, disabled bool, n *int) *ui.Tester {
+	before, after := mediaTestBitmap(160, 90), mediaTestBitmap(160, 90)
+	return ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		ui.Column(c).Padding(20).Width(320).Children(func() {
+			if ImageCompare(c, before, after, split, ImageCompareOptions{Disabled: disabled}).Changed() {
+				*n++
+			}
+		})
+	}, 400, 300)
+}
+
+func TestImageCompareKeysAndDrag(t *testing.T) {
+	split, n := 0.5, 0
+	tt := compareTester(&split, false, &n)
+	tt.Key(0, ui.KeyTab)
+	tt.Key(0, ui.KeyRight)
+	if split != 0.51 {
+		t.Fatalf("Right: %v", split)
+	}
+	tt.Key(0, ui.KeyHome)
+	if split != 0 {
+		t.Fatalf("Home: %v", split)
+	}
+	r, ok := tt.Find("Before / After")
+	if !ok {
+		t.Fatal("not named")
+	}
+	tt.Press(r.X+r.W/2, r.Y+r.H/2)
+	tt.Move(r.X+r.W*0.75, r.Y+r.H/2)
+	tt.Release(r.X+r.W*0.75, r.Y+r.H/2)
+	if split < 0.7 || split > 0.8 {
+		t.Fatalf("drag: %v", split)
+	}
+	if n < 3 {
+		t.Fatalf("changes %d", n)
+	}
+}
+
+func TestImageCompareDisabled(t *testing.T) {
+	split, n := 0.5, 0
+	tt := compareTester(&split, true, &n)
+	tt.Key(0, ui.KeyTab)
+	tt.Key(0, ui.KeyRight)
+	r, _ := tt.Find("Before / After")
+	tt.ClickAt(r.X+10, r.Y+10)
+	if split != 0.5 || n != 0 {
+		t.Fatalf("disabled moved to %v", split)
+	}
+	bad := 2.0
+	mediaPanics(t, "split over 1", func(c *ui.Context) {
+		ImageCompare(c, mediaTestBitmap(4, 4), mediaTestBitmap(4, 4), &bad, ImageCompareOptions{})
+	})
+}
+
+func TestImageCompareSnapshot(t *testing.T) {
+	split := 0.4
+	before := mediaTestBitmap(160, 90)
+	after := ui.NewBitmap(mediaTestImage(90, 160))
+	snapshot(t, "image_compare", 360, 220, func(c *ui.Context) {
+		ui.Column(c).Padding(20).Width(320).Children(func() {
+			ImageCompare(c, before, after, &split, ImageCompareOptions{})
+		})
+	})
+}