1 files changed, 70 insertions, 0 deletions
diff --git a/internal/notify/icons_test.go b/internal/notify/icons_test.go
new file mode 100644
index 0000000..527b330
--- /dev/null
+++ b/internal/notify/icons_test.go
@@ -0,0 +1,70 @@
+// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+package notify
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestResolveIconPathAndURI(t *testing.T) {
+	if got := ResolveIcon("/usr/share/icons/x/apps/48/firefox.png"); got != "/usr/share/icons/x/apps/48/firefox.png" {
+		t.Fatalf("path passthrough: %q", got)
+	}
+	if got := ResolveIcon("file:///tmp/shot.png"); got != "/tmp/shot.png" {
+		t.Fatalf("uri: %q", got)
+	}
+	if got := ResolveIcon(""); got != "" {
+		t.Fatalf("empty: %q", got)
+	}
+}
+
+func TestResolveIconThemeName(t *testing.T) {
+	root := t.TempDir()
+	// Theme "Plum" inherits "Base"; the icon is only in Base.
+	theme := filepath.Join(root, "icons", "Plum")
+	base := filepath.Join(root, "icons", "Base")
+	plumIndex := filepath.Join(theme, "index.theme")
+	baseApp := filepath.Join(base, "apps", "48")
+	if err := os.MkdirAll(filepath.Join(theme, "apps", "scalable"), 0o755); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.MkdirAll(baseApp, 0o755); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(plumIndex, []byte("[Icon Theme]\nInherits=Base\n"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(baseApp, "firefox.svg"), []byte("<svg/>"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	t.Setenv("XDG_DATA_HOME", root)
+	t.Setenv("XDG_DATA_DIRS", "")
+	t.Setenv("HOME", filepath.Join(root, "home"))
+	if err := os.MkdirAll(filepath.Join(root, "home", ".config", "qt6ct"), 0o755); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(root, "home", ".config", "qt6ct", "qt6ct.conf"), []byte("icon_theme=Plum\n"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	got := ResolveIcon("firefox")
+	want := filepath.Join(root, "icons", "Base", "apps", "48", "firefox.svg")
+	if got != want {
+		t.Fatalf("resolved %q, want %q", got, want)
+	}
+	if got := ResolveIcon("no-such-icon-xyz"); got != "" {
+		t.Fatalf("missing name must be empty, got %q", got)
+	}
+}