[gnome-software] trivial: Test removing duplicates when some apps have no app ID

[Kalev Lember <klember src gnome org>]

commit 301f44224493e693faed5dc9e816ca03a5ea054a
Author: Kalev Lember <klember redhat com>
Date:   Mon Jan 16 20:12:26 2017 +0100

    trivial: Test removing duplicates when some apps have no app ID

 src/gs-self-test.c |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)
---
diff --git a/src/gs-self-test.c b/src/gs-self-test.c
index f667db3..36a9de9 100644
--- a/src/gs-self-test.c
+++ b/src/gs-self-test.c
@@ -215,6 +215,23 @@ gs_plugin_func (void)
        g_assert_cmpint (gs_app_list_length (list_remove), ==, 1);
        g_object_unref (list_remove);
 
+       /* test removing duplicates when some apps have no app ID */
+       list_remove = gs_app_list_new ();
+       app = gs_app_new (NULL);
+       gs_app_list_add (list_remove, app);
+       g_object_unref (app);
+       app = gs_app_new (NULL);
+       gs_app_list_add (list_remove, app);
+       g_object_unref (app);
+       app = gs_app_new (NULL);
+       gs_app_list_add (list_remove, app);
+       gs_app_set_id (app, "e");
+       g_object_unref (app);
+       g_assert_cmpint (gs_app_list_length (list_remove), ==, 3);
+       gs_app_list_filter_duplicates (list_remove, GS_APP_LIST_FILTER_FLAG_NONE);
+       g_assert_cmpint (gs_app_list_length (list_remove), ==, 3);
+       g_object_unref (list_remove);
+
        /* remove lazy-loaded app */
        list_remove = gs_app_list_new ();
        app = gs_app_new (NULL);