WIP components (as built)

ohlc_chart_test.go

@@ -0,0 +1,44 @@
+package mujica
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+)
+
+func TestOHLCChartSharesDataAndDiffersInLook(t *testing.T) {
+	candles := sampleCandles(60)
+	view := MarketView{Count: 40}
+	ohlc := true
+	var res ChartResult
+	tt := ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		if ohlc {
+			res = OHLCChart(c, candles, &view, CandlestickOptions{Frame: ChartFrame{Label: "Bars"}})
+		} else {
+			res = CandlestickChart(c, candles, &view, CandlestickOptions{Frame: ChartFrame{Label: "Bars"}})
+		}
+	}, 600, 320)
+	tt.Key(0, ui.KeyTab)
+	tt.Key(0, ui.KeyEnd)
+	if res.Point != 59 || mktState0(res).drawn != 40 {
+		t.Fatalf("point %d drawn %d", res.Point, mktState0(res).drawn)
+	}
+	a := encode(t, tt.Image())
+	ohlc = false
+	tt.Frame()
+	if bytes.Equal(a, encode(t, tt.Image())) {
+		t.Fatal("OHLC bars look the same as candles")
+	}
+}
+
+func TestOHLCChartSnapshot(t *testing.T) {
+	candles := sampleCandles(60)
+	view := MarketView{Count: 50}
+	snapshot(t, "ohlc_chart", 640, 300, func(c *ui.Context) {
+		ui.Column(c).Padding(12).Children(func() {
+			OHLCChart(c, candles, &view, CandlestickOptions{Frame: ChartFrame{Label: "Bars", Height: 240}})
+		})
+	})
+}