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

chat/paste_image_preview_test.go

@@ -0,0 +1,80 @@
+package chat
+
+import (
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+
+	"github.com/ZacharyZhang-NY/MujicaUI/core"
+)
+
+func pasteImages() []PastedImage {
+	return []PastedImage{
+		{ID: "a", Source: imageGridPicture("#7D2034"), Name: "screenshot 1"},
+		{ID: "b", Source: imageGridPicture("#355E80"), Name: "screenshot 2"},
+	}
+}
+
+func TestPasteImagePreviewRemoves(t *testing.T) {
+	imgs, off := pasteImages(), false
+	tt := ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{})
+		ui.Column(c).Padding(16).Disabled(off).Children(func() {
+			if id, ok := PasteImagePreview(c, imgs).Removed(); ok {
+				for i, im := range imgs {
+					if im.ID == id {
+						imgs = append(imgs[:i], imgs[i+1:]...)
+						break
+					}
+				}
+			}
+		})
+	}, 400, 150)
+	if _, ok := tt.Find("screenshot 2"); !ok {
+		t.Fatal("thumbnail not named")
+	}
+	_ = tt.Click("Remove image screenshot 1")
+	if len(imgs) != 1 || imgs[0].ID != "b" {
+		t.Fatalf("left %v", imgs)
+	}
+	off = true
+	_ = tt.Click("Remove image screenshot 2")
+	if len(imgs) != 1 {
+		t.Fatal("disabled preview removed an image")
+	}
+}
+
+func TestPasteImagePreviewNeedsSource(t *testing.T) {
+	defer func() {
+		if recover() == nil {
+			t.Fatal("no panic without a source")
+		}
+	}()
+	ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{})
+		PasteImagePreview(c, []PastedImage{{ID: "x"}})
+	}, 100, 100)
+}
+
+func TestPasteImagePreviewSnapshot(t *testing.T) {
+	snapshot(t, "paste_image_preview", 240, 110, func(c *ui.Context) {
+		ui.Column(c).Padding(20).Children(func() { PasteImagePreview(c, pasteImages()) })
+	})
+}
+
+func TestPasteImagePreviewKeyboard(t *testing.T) {
+	removed := ""
+	tt := ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{})
+		ui.Column(c).Padding(16).Children(func() {
+			if id, ok := PasteImagePreview(c, pasteImages()).Removed(); ok {
+				removed = id
+			}
+		})
+	}, 400, 160)
+	tt.Key(0, ui.KeyTab)
+	tt.Key(0, ui.KeyEnter)
+	if removed != "a" {
+		t.Fatalf("removed %q, want a", removed)
+	}
+}