Split into category packages; module github.com/ZacharyZhang-NY/MujicaUI

input/qr_code_test.go

@@ -0,0 +1,75 @@
+package input
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+
+	"github.com/ZacharyZhang-NY/MujicaUI/core"
+	"github.com/ZacharyZhang-NY/MujicaUI/theme"
+)
+
+func TestQRCodeDrawsModulesAndCaches(t *testing.T) {
+	text := "HELLO"
+	var box ui.Rect
+	tt := ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{Mode: core.Dark})
+		ui.Row(c).Children(func() { box = QRCode(c, text, QRCodeOptions{Level: QRLow, Size: 116}).Bounds() })
+	}, 200, 200)
+	tt.Frame()
+	if box.W != 116 {
+		t.Fatalf("size %v", box)
+	}
+	m, _ := EncodeQR([]byte(text), QRLow)
+	// 21 modules plus 8 of quiet zone in 116 DIPs: 4 DIPs each.
+	px := func(x, y int) ui.Color {
+		r, g, b, _ := tt.Image().At(int(box.X)+(x+4)*4+2, int(box.Y)+(y+4)*4+2).RGBA()
+		return ui.RGB(uint8(r>>8), uint8(g>>8), uint8(b>>8))
+	}
+	for _, at := range [][2]int{{0, 0}, {3, 3}, {7, 7}, {10, 6}, {12, 12}} {
+		want := theme.Light().Surface
+		if m.Modules[at[1]][at[0]] {
+			want = theme.Light().Text
+		}
+		if got := px(at[0], at[1]); got != want {
+			t.Errorf("module %v is %v, want %v", at, got, want)
+		}
+	}
+	if _, ok := tt.Find("QR code"); !ok {
+		t.Fatal("no accessible name")
+	}
+}
+
+func TestQRCodeTooLong(t *testing.T) {
+	tt := ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{})
+		QRCode(c, strings.Repeat("x", 1300), QRCodeOptions{Level: QRHigh})
+	}, 300, 300)
+	if !tt.HasText("Text too long for a QR code") {
+		t.Fatalf("texts %q", tt.Texts())
+	}
+}
+
+func TestQRCodeRejectsBadOptions(t *testing.T) {
+	for name, o := range map[string]QRCodeOptions{"level": {Level: 9}, "size": {Size: -1}} {
+		func() {
+			defer func() {
+				if recover() == nil {
+					t.Errorf("%s: no panic", name)
+				}
+			}()
+			ui.NewTester(func(c *ui.Context) { core.Use(c, core.Settings{}); QRCode(c, "x", o) }, 200, 200)
+		}()
+	}
+}
+
+func TestQRCodeSnapshot(t *testing.T) {
+	snapshot(t, "qr_code", 420, 200, func(c *ui.Context) {
+		ui.Row(c).Padding(16).Gap(16).Children(func() {
+			QRCode(c, "https://example.com/mujica", QRCodeOptions{})
+			QRCode(c, "MujicaUI", QRCodeOptions{Level: QRHigh, Size: 100})
+			QRCode(c, strings.Repeat("x", 1300), QRCodeOptions{Level: QRHigh, Size: 100})
+		})
+	})
+}