Choices: components 031-040 (wip)

range_slider_test.go

@@ -0,0 +1,102 @@
+package mujica
+
+import (
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+)
+
+func rangeTester(low, high *float64, opts RangeSliderOptions, changes *int) *ui.Tester {
+	return ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		ui.Column(c).Width(216).Children(func() {
+			if RangeSlider(c, low, high, opts).Changed() {
+				*changes++
+			}
+		})
+	}, 300, 120)
+}
+
+func TestRangeSliderKeysPerThumb(t *testing.T) {
+	low, high, changes := 20.0, 80.0, 0
+	tt := rangeTester(&low, &high, RangeSliderOptions{Step: 10, Label: "Price"}, &changes)
+	tt.Key(0, ui.KeyTab)
+	if !tt.Focused("Price minimum, 20") {
+		t.Fatal("first Tab did not focus the low thumb")
+	}
+	tt.Key(0, ui.KeyRight)
+	if low != 30 {
+		t.Fatalf("low %v", low)
+	}
+	tt.Key(0, ui.KeyEnd)
+	if low != 80 || high != 80 {
+		t.Fatalf("End took low to %v, high %v", low, high)
+	}
+	tt.Key(0, ui.KeyRight)
+	if low != 80 {
+		t.Fatalf("low crossed high: %v", low)
+	}
+	tt.Key(0, ui.KeyTab)
+	if !tt.Focused("Price maximum, 80") {
+		t.Fatal("second Tab did not focus the high thumb")
+	}
+	tt.Key(0, ui.KeyLeft)
+	if high != 80 {
+		t.Fatalf("high crossed low: %v", high)
+	}
+	tt.Key(0, ui.KeyEnd)
+	if high != 100 || changes != 3 {
+		t.Fatalf("high %v changes %d", high, changes)
+	}
+}
+
+func TestRangeSliderDragMovesNearerThumb(t *testing.T) {
+	low, high, changes := 0.0, 100.0, 0
+	tt := rangeTester(&low, &high, RangeSliderOptions{Step: 1}, &changes)
+	// The track runs from x=8 to x=208.
+	tt.Press(8+200*0.9, 18)
+	tt.Move(8+200*0.7, 18)
+	tt.Release(8+200*0.7, 18)
+	if low != 0 || high != 70 {
+		t.Fatalf("low %v high %v", low, high)
+	}
+	tt.Press(8+200*0.1, 18)
+	tt.Move(8+200*0.95, 18)
+	tt.Release(8+200*0.95, 18)
+	if low != 70 || high != 70 {
+		t.Fatalf("dragged low past high: low %v high %v", low, high)
+	}
+}
+
+func TestRangeSliderOrdersSwappedEnds(t *testing.T) {
+	low, high, changes := 60.0, 10.0, 0
+	tt := rangeTester(&low, &high, RangeSliderOptions{}, &changes)
+	tt.Frame()
+	if low != 10 || high != 60 {
+		t.Fatalf("low %v high %v", low, high)
+	}
+}
+
+func TestRangeSliderDisabled(t *testing.T) {
+	low, high, changes := 20.0, 40.0, 0
+	tt := rangeTester(&low, &high, RangeSliderOptions{Disabled: true}, &changes)
+	tt.Key(0, ui.KeyTab)
+	tt.Key(0, ui.KeyRight)
+	tt.Press(150, 18)
+	tt.Release(150, 18)
+	if low != 20 || high != 40 || changes != 0 {
+		t.Fatalf("disabled moved: %v..%v", low, high)
+	}
+}
+
+func TestRangeSliderSnapshot(t *testing.T) {
+	snapshot(t, "range_slider", 420, 170, func(c *ui.Context) {
+		a, b := 20.0, 70.0
+		d, e := 30.0, 60.0
+		marks := []SliderMark{{0, "0"}, {50, "50"}, {100, "100"}}
+		ui.Column(c).Padding(20).Gap(8).Width(380).Children(func() {
+			RangeSlider(c, &a, &b, RangeSliderOptions{Step: 5, Marks: marks, ShowValue: true, Label: "Price"})
+			RangeSlider(c, &d, &e, RangeSliderOptions{Disabled: true})
+		})
+	})
+}