Trading: components 161-180

margin_indicator_test.go

@@ -0,0 +1,39 @@
+package mujica
+
+import (
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+)
+
+func TestMarginIndicatorStates(t *testing.T) {
+	ratio := 0.42
+	tt := tradingTester(GreenUp, 400, 160, func(c *ui.Context) {
+		ui.Box(c).Width(300).Children(func() { MarginIndicator(c, ratio, MarginIndicatorOptions{}) })
+	})
+	for _, tc := range []struct {
+		ratio float64
+		want  string
+	}{{0.42, "Safe"}, {0.8, "Margin call"}, {1.2, "Liquidation"}} {
+		ratio = tc.ratio
+		tt.Frame()
+		if !tt.HasText(tc.want) {
+			t.Fatalf("%v: %q", tc.ratio, tt.Texts())
+		}
+	}
+	if !tt.HasText("Warning line 80.0%") || !tt.HasText("Liquidation line 100.0%") || !tt.HasText("120.0%") {
+		t.Fatalf("lines: %q", tt.Texts())
+	}
+	defer func() {
+		if recover() == nil {
+			t.Fatal("warning above liquidation accepted")
+		}
+	}()
+	tradingTester(GreenUp, 100, 100, func(c *ui.Context) { MarginIndicator(c, 1, MarginIndicatorOptions{Warning: 2, Liquidation: 1}) })
+}
+
+func TestMarginIndicatorSnapshot(t *testing.T) {
+	snapshot(t, "margin_indicator", 340, 120, func(c *ui.Context) {
+		ui.Column(c).Padding(20).Children(func() { MarginIndicator(c, 0.86, MarginIndicatorOptions{}) })
+	})
+}