Final cooikies tests

tests/unit/browser/test_cookies.py

@@ -157,6 +157,17 @@ def test_cookies_changed_emit(config_stub, fake_save_manager,
         config_stub.set('content', 'cookies-store', False)
 
 
+def test_cookies_changed_not_emitted(config_stub, fake_save_manager,
+                                     monkeypatch):
+    """Test that changed is not emitted when nothing changes."""
+    config_stub.data = CONFIG_COOKIES_ENABLED
+    monkeypatch.setattr(lineparser,
+                        'LineParser', LineparserSaveStub)
+    jar = cookies.CookieJar()
+    changed_spy = QSignalSpy(jar.changed)
+    assert len(changed_spy) == 0
+
+
 @pytest.mark.parametrize('store_cookies,empty', [
                          (True, False),
                          (False, True)