WIP essentials 5

vertical_slider_test.go

@@ -0,0 +1,83 @@
+package mujica
+
+import (
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+)
+
+func verticalTester(v *float64, opts *VerticalSliderOptions, n *int) *ui.Tester {
+	return ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		ui.Row(c).Padding(20).Children(func() {
+			if VerticalSlider(c, v, *opts).Changed() {
+				*n++
+			}
+		})
+	}, 300, 300)
+}
+
+func TestVerticalSliderKeysAndPointer(t *testing.T) {
+	v := 0.0
+	opts := VerticalSliderOptions{Step: 10, Label: "Level", Height: 216}
+	n := 0
+	tt := verticalTester(&v, &opts, &n)
+	tt.Key(0, ui.KeyTab)
+	tt.Key(0, ui.KeyUp)
+	tt.Key(0, ui.KeyRight)
+	if v != 20 || n != 2 {
+		t.Fatalf("Up, Right: %v %d", v, n)
+	}
+	tt.Key(0, ui.KeyDown)
+	if v != 10 {
+		t.Fatalf("Down: %v", v)
+	}
+	tt.Key(0, ui.KeyEnd)
+	if v != 100 {
+		t.Fatalf("End: %v", v)
+	}
+	r, _ := tt.Find("Level")
+	// Track runs from y+8 (100) to y+208 (0): a quarter up is 25, snapped to 30 or 20.
+	tt.Press(r.X+r.W/2, r.Y+8+150)
+	tt.Release(r.X+r.W/2, r.Y+8+150)
+	if v != 30 && v != 20 {
+		t.Fatalf("press at a quarter height: %v", v)
+	}
+	tt.Press(r.X+r.W/2, r.Y+8+150)
+	tt.Move(r.X+r.W/2, r.Y)
+	tt.Release(r.X+r.W/2, r.Y)
+	if v != 100 {
+		t.Fatalf("drag to the top: %v", v)
+	}
+	opts.Disabled = true
+	tt.Frame()
+	tt.Press(r.X+r.W/2, r.Y+200)
+	tt.Release(r.X+r.W/2, r.Y+200)
+	if v != 100 {
+		t.Fatalf("disabled slider moved: %v", v)
+	}
+}
+
+func TestVerticalSliderRejects(t *testing.T) {
+	v := 0.0
+	for name, o := range map[string]VerticalSliderOptions{"height": {Height: -1}, "step": {Step: -1}} {
+		func() {
+			defer func() {
+				if recover() == nil {
+					t.Errorf("%s: no panic", name)
+				}
+			}()
+			ui.NewTester(func(c *ui.Context) { Use(c, Settings{}); VerticalSlider(c, &v, o) }, 200, 200)
+		}()
+	}
+}
+
+func TestVerticalSliderSnapshot(t *testing.T) {
+	a, b := 40.0, 70.0
+	snapshot(t, "vertical_slider", 260, 220, func(c *ui.Context) {
+		ui.Row(c).Padding(16).Gap(24).Children(func() {
+			VerticalSlider(c, &a, VerticalSliderOptions{Marks: []SliderMark{{Value: 0, Label: "0"}, {Value: 50, Label: "50"}, {Value: 100, Label: "100"}}})
+			VerticalSlider(c, &b, VerticalSliderOptions{Disabled: true})
+		})
+	})
+}