Trading: components 161-180

leverage_slider_test.go

@@ -0,0 +1,94 @@
+package mujica
+
+import (
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+
+	"mujicaui/theme"
+)
+
+type leverageProbe struct {
+	value   float64
+	opts    LeverageSliderOptions
+	applied int
+}
+
+func (p *leverageProbe) tester(density theme.Density) *ui.Tester {
+	return ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{Density: density})
+		ui.Column(c).Padding(10).Children(func() {
+			if LeverageSlider(c, &p.value, p.opts).Changed() {
+				p.applied++
+			}
+		})
+	}, 420, 200)
+}
+
+func TestLeverageSliderAppliesOnlyOnConfirm(t *testing.T) {
+	p := &leverageProbe{value: 5, opts: LeverageSliderOptions{Warning: 10, Danger: 50}}
+	tt := p.tester(theme.Default)
+	tt.Key(0, ui.KeyTab)
+	if !tt.Focused("Leverage") {
+		t.Fatal("slider not focusable")
+	}
+	tt.Key(0, ui.KeyRight)
+	if p.value != 5 || !tt.HasText("10×") || !tt.HasText("High risk") {
+		t.Fatalf("draft: value %v texts %q", p.value, tt.Texts())
+	}
+	tt.Key(0, ui.KeyEnd)
+	if !tt.HasText("Very high risk") {
+		t.Fatalf("danger zone: %q", tt.Texts())
+	}
+	if err := tt.Click("Apply"); err != nil {
+		t.Fatal(err)
+	}
+	if p.value != 100 || p.applied != 1 {
+		t.Fatalf("apply: %v %d", p.value, p.applied)
+	}
+	tt.Key(ui.Shift, ui.KeyTab)
+	tt.Key(0, ui.KeyHome)
+	if p.value != 100 || !tt.HasText("1×") {
+		t.Fatalf("home moved value: %v", p.value)
+	}
+}
+
+func TestLeverageSliderPointerAndHitArea(t *testing.T) {
+	p := &leverageProbe{value: 1, opts: LeverageSliderOptions{Levels: []float64{1, 2, 3}}}
+	tt := p.tester(theme.Compact)
+	// The track is at least 28 DIPs tall, even Compact.
+	tt.ClickAt(10+400-10, 70)
+	if !tt.HasText("3×") {
+		t.Fatalf("pointer: %q", tt.Texts())
+	}
+	tt.ClickAt(30, 70)
+	if !tt.HasText("1×") || p.applied != 0 {
+		t.Fatalf("pointer back: %q", tt.Texts())
+	}
+}
+
+func TestLeverageSliderDisabledAndBadValue(t *testing.T) {
+	p := &leverageProbe{value: 2, opts: LeverageSliderOptions{Disabled: true}}
+	tt := p.tester(theme.Default)
+	tt.Key(0, ui.KeyTab)
+	tt.Key(0, ui.KeyRight)
+	_ = tt.Click("Apply")
+	if p.value != 2 || tt.HasText("3×") || !tt.HasText("2×") {
+		t.Fatal("disabled slider moved")
+	}
+	defer func() {
+		if recover() == nil {
+			t.Fatal("value outside Levels accepted")
+		}
+	}()
+	(&leverageProbe{value: 4}).tester(theme.Default)
+}
+
+func TestLeverageSliderSnapshot(t *testing.T) {
+	v := 20.0
+	snapshot(t, "leverage_slider", 360, 160, func(c *ui.Context) {
+		ui.Column(c).Padding(20).Children(func() {
+			LeverageSlider(c, &v, LeverageSliderOptions{Warning: 10, Danger: 50})
+		})
+	})
+}