Split into category packages; module github.com/ZacharyZhang-NY/MujicaUI

layout/container_test.go

@@ -0,0 +1,98 @@
+package layout
+
+import (
+	"image/color"
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+
+	"github.com/ZacharyZhang-NY/MujicaUI/core"
+	"github.com/ZacharyZhang-NY/MujicaUI/theme"
+)
+
+func TestContainerPaddingByDensity(t *testing.T) {
+	for _, tc := range []struct {
+		density theme.Density
+		pad     Space
+		want    float32
+	}{{theme.Default, SpaceDefault, 16}, {theme.Compact, SpaceDefault, 12}, {theme.Comfortable, SpaceS, 10}, {theme.Default, SpaceNone, 0}} {
+		var outer, inner ui.Rect
+		ui.NewTester(func(c *ui.Context) {
+			core.Use(c, core.Settings{Density: tc.density})
+			outer = Container(c, ContainerOptions{Padding: tc.pad}, func() {
+				inner = ui.Box(c).Size(10, 10).Bounds()
+			}).Bounds()
+		}, 400, 300).Frame()
+		if inner.X-outer.X != tc.want || inner.Y-outer.Y != tc.want {
+			t.Errorf("%v %v: inset %v,%v, want %v", tc.density, tc.pad, inner.X-outer.X, inner.Y-outer.Y, tc.want)
+		}
+	}
+}
+
+func TestContainerMaxWidthCentered(t *testing.T) {
+	var r ui.Rect
+	ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{})
+		ui.Column(c).Width(600).Children(func() {
+			r = Container(c, ContainerOptions{MaxWidth: 300, Center: true}, func() { ui.Text(c, "Body") }).Bounds()
+		})
+	}, 600, 300).Frame()
+	if r.X != 150 || r.W != 300 {
+		t.Fatalf("container at x=%v w=%v, want 150 and 300", r.X, r.W)
+	}
+}
+
+func TestContainerFill(t *testing.T) {
+	var r ui.Rect
+	ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{})
+		ui.Row(c).Size(320, 200).Children(func() {
+			r = Container(c, ContainerOptions{Fill: true}, func() { ui.Text(c, "x") }).Bounds()
+		})
+	}, 400, 300).Frame()
+	if r.W != 320 || r.H != 200 {
+		t.Fatalf("filled %vx%v, want 320x200", r.W, r.H)
+	}
+}
+
+func TestContainerClip(t *testing.T) {
+	for _, clip := range []bool{false, true} {
+		var bg ui.Color
+		tt := ui.NewTester(func(c *ui.Context) {
+			core.Use(c, core.Settings{Mode: core.Light})
+			bg = core.Tokens(c).Background
+			Container(c, ContainerOptions{Padding: SpaceNone, Clip: clip}, func() {
+				ui.Box(c).Size(200, 200).Background(ui.RGB(255, 0, 0))
+			}).Size(100, 100)
+		}, 300, 300)
+		got := tt.Image().At(150, 150)
+		clipped := got == color.RGBA{bg.R, bg.G, bg.B, 255}
+		if clipped != clip {
+			t.Errorf("Clip %v: pixel outside %v", clip, got)
+		}
+	}
+}
+
+func TestContainerInvalidSpacePanics(t *testing.T) {
+	defer func() {
+		if recover() == nil {
+			t.Fatal("invalid Space did not panic")
+		}
+	}()
+	ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{})
+		Container(c, ContainerOptions{Padding: Space(99)}, func() {})
+	}, 100, 100)
+}
+
+func TestContainerSnapshot(t *testing.T) {
+	snapshot(t, "container", 420, 150, func(c *ui.Context) {
+		k := core.Tokens(c)
+		ui.Column(c).Padding(16).Children(func() {
+			Container(c, ContainerOptions{MaxWidth: 280, Center: true}, func() {
+				ui.Text(c, "Of the Court").Font(theme.SerifFont).FontSize(theme.H3Size)
+				ui.Text(c, "A centered container, 280 DIPs at most, padded by four units.").TextColor(k.TextMuted)
+			}).Background(k.Surface).Border(1, k.Border).Radius(theme.CardRadius)
+		})
+	})
+}