WIP components (as built)

greeks_table_test.go

@@ -0,0 +1,54 @@
+package mujica
+
+import (
+	"math"
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+)
+
+func greeksRows() []GreeksRow {
+	return []GreeksRow{
+		{Label: "AAPL 230 C", Greeks: OptionGreeks{0.52, 0.031, -0.12, 0.21, 0.05}},
+		{Label: "AAPL 220 P", Greeks: OptionGreeks{-0.38, 0.028, -0.10, 0.19, math.NaN()}},
+	}
+}
+
+func TestGreeksTableValuesAndPrecision(t *testing.T) {
+	tt := chatTester(640, 320, func(c *ui.Context) { GreeksTable(c, greeksRows(), GreeksTableOptions{}) })
+	for _, s := range []string{"Delta", "Rho", "+0.5200", "−0.1200", "+0.0310", "—"} {
+		if !tt.HasText(s) {
+			t.Errorf("%q missing from %q", s, tt.Texts())
+		}
+	}
+	tt = chatTester(640, 320, func(c *ui.Context) { GreeksTable(c, greeksRows(), GreeksTableOptions{Decimals: 2}) })
+	if !tt.HasText("+0.52") || tt.HasText("+0.5200") {
+		t.Fatalf("decimals: %q", tt.Texts())
+	}
+}
+
+func TestGreeksTableNotes(t *testing.T) {
+	tt := chatTester(640, 320, func(c *ui.Context) { GreeksTable(c, greeksRows(), GreeksTableOptions{}) })
+	if tt.HasText("Price change per day as time passes.") {
+		t.Fatal("notes shown without Notes")
+	}
+	tt = chatTester(640, 420, func(c *ui.Context) { GreeksTable(c, greeksRows(), GreeksTableOptions{Notes: true}) })
+	if !tt.HasText("Price change per day as time passes.") {
+		t.Fatal("notes missing")
+	}
+	defer func() {
+		if recover() == nil {
+			t.Fatal("no panic")
+		}
+	}()
+	ui.Render(func(c *ui.Context) {
+		Use(c, Settings{})
+		GreeksTable(c, nil, GreeksTableOptions{Decimals: -1})
+	}, 100, 100, 1)
+}
+
+func TestGreeksTableSnapshot(t *testing.T) {
+	snapshot(t, "greeks_table", 640, 300, func(c *ui.Context) {
+		ui.Column(c).Padding(16).Children(func() { GreeksTable(c, greeksRows(), GreeksTableOptions{Notes: true}) })
+	})
+}