1 files changed, 126 insertions, 0 deletions
diff --git a/internal/notify/store_test.go b/internal/notify/store_test.go
new file mode 100644
index 0000000..4e4dd79
--- /dev/null
+++ b/internal/notify/store_test.go
@@ -0,0 +1,126 @@
+// 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 "testing"
+
+type event struct {
+	id     uint32
+	reason uint32
+}
+
+func newTestStore() (*Store, *[]event) {
+	emitted := &[]event{}
+	s := NewStore(
+		func(id, reason uint32) { *emitted = append(*emitted, event{id, reason}) },
+		func(live, history []Popup) {},
+	)
+	return s, emitted
+}
+
+func popup(app string) *Popup {
+	return &Popup{App: app, Urgency: Normal, Created: 1}
+}
+
+func TestAddAssignsIdsFromOne(t *testing.T) {
+	s, _ := newTestStore()
+	a, replaced := s.Add(popup("a"), "", 0)
+	b, _ := s.Add(popup("b"), "", 0)
+	if replaced {
+		t.Fatal("first add reported replaced")
+	}
+	if a != 1 || b != 2 {
+		t.Errorf("ids = %d, %d, want 1, 2", a, b)
+	}
+}
+
+func TestReplaceByIDReusesTheIDAndEmitsNothing(t *testing.T) {
+	s, emitted := newTestStore()
+	id, _ := s.Add(popup("a"), "", 0)
+	*emitted = nil
+	again, replaced := s.Add(popup("a2"), "", id)
+	if !replaced {
+		t.Fatal("replace by id not reported")
+	}
+	if again != id {
+		t.Errorf("replace id = %d, want %d", again, id)
+	}
+	if len(*emitted) != 0 {
+		t.Errorf("replace emitted %v, want none", *emitted)
+	}
+}
+
+func TestReplaceByStackTag(t *testing.T) {
+	s, _ := newTestStore()
+	first, _ := s.Add(popup("mail"), "mail-account", 0)
+	second, replaced := s.Add(popup("mail"), "mail-account", 0)
+	if !replaced || second != first {
+		t.Errorf("stack replace = id %d replaced %v, want id %d replaced true", second, replaced, first)
+	}
+}
+
+func TestExpireClosesOnceAndKeepsTheEntry(t *testing.T) {
+	s, emitted := newTestStore()
+	id, _ := s.Add(popup("a"), "", 0)
+	s.Expire(id)
+	s.Expire(id)
+	if len(*emitted) != 1 || (*emitted)[0].reason != 1 {
+		t.Fatalf("emitted = %v, want one reason 1", *emitted)
+	}
+	if s.Actionable(id) {
+		t.Error("expired entry still actionable")
+	}
+}
+
+func TestDismissFilesHistoryAndEmitsDismissed(t *testing.T) {
+	s, emitted := newTestStore()
+	id, _ := s.Add(popup("a"), "", 0)
+	s.Dismiss(id, 2)
+	if len(*emitted) != 1 || (*emitted)[0].reason != 2 {
+		t.Fatalf("emitted = %v, want one reason 2", *emitted)
+	}
+	if s.Actionable(id) {
+		t.Error("dismissed entry still live")
+	}
+}
+
+func TestDismissAfterExpireEmitsNothingMore(t *testing.T) {
+	s, emitted := newTestStore()
+	id, _ := s.Add(popup("a"), "", 0)
+	s.Expire(id)
+	*emitted = nil
+	s.Dismiss(id, 2)
+	if len(*emitted) != 0 {
+		t.Errorf("dismiss after expire emitted %v, want none", *emitted)
+	}
+}
+
+func TestQueueCapEvictsToHistory(t *testing.T) {
+	s, emitted := newTestStore()
+	for i := 0; i < 21; i++ {
+		s.Add(popup("a"), "", 0)
+	}
+	if len(*emitted) == 0 {
+		t.Fatal("eviction emitted nothing")
+	}
+}
+
+func TestHistoryRingCapsAtTwenty(t *testing.T) {
+	s, _ := newTestStore()
+	for i := 0; i < 30; i++ {
+		id, _ := s.Add(popup("a"), "", 0)
+		s.Dismiss(id, 2)
+	}
+	if got := len(s.historySnapshot()); got != 20 {
+		t.Errorf("history length = %d, want 20", got)
+	}
+}