Add tests for change updates from SIGUSR*

These tests ensure that PropertiesChanged signals are sent when the
pause and unpause signals are handled.

Signal handler functions are called directly instead of emitting real
signals, as doing this might not be safe inside of a testing
environment.

Author: CelDaemon

src/dunst.h

@@ -47,6 +47,8 @@ int dunst_main(int argc, char *argv[]);
 void usage(int exit_status);
 void print_version(void);
 
+gboolean pause_signal(gpointer data);
+gboolean unpause_signal(gpointer data);
 gboolean quit_signal(gpointer data);
 
 #endif

test/dbus.c

@@ -1382,6 +1382,74 @@ TEST test_signal_length_propertieschanged(void)
         PASS();
 }
 
+TEST test_signal_paused_propertieschanged_pause(void)
+{
+        struct signal_propertieschanged sig = {NULL, NULL, NULL, -1};
+
+        dbus_signal_subscribe_propertieschanged(&sig);
+
+        pause_signal(NULL);
+
+        uint waiting = 0;
+
+        while(!sig.interface && waiting < 2000) {
+                usleep(500);
+                waiting++;
+        }
+
+        ASSERT_STR_EQ(sig.interface, DUNST_IFAC);
+
+        gboolean paused;
+        g_variant_lookup(sig.array_dict_sv_data, "paused", "b", &paused);
+
+        ASSERT_EQ(paused, TRUE);
+
+        guint32 pause_level;
+        g_variant_lookup(sig.array_dict_sv_data, "pauseLevel", "u", &pause_level);
+
+        ASSERT_EQ(pause_level, 100);
+
+        g_free(sig.interface);
+        g_variant_unref(sig.array_dict_sv_data);
+        g_variant_unref(sig.array_s_data);
+        dbus_signal_unsubscribe_propertieschanged(&sig);
+        PASS();
+}
+
+TEST test_signal_paused_propertieschanged_unpause(void)
+{
+        struct signal_propertieschanged sig = {NULL, NULL, NULL, -1};
+
+        dbus_signal_subscribe_propertieschanged(&sig);
+
+        unpause_signal(NULL);
+
+        uint waiting = 0;
+
+        while(!sig.interface && waiting < 2000) {
+                usleep(500);
+                waiting++;
+        }
+
+        ASSERT_STR_EQ(sig.interface, DUNST_IFAC);
+
+        gboolean paused;
+        g_variant_lookup(sig.array_dict_sv_data, "paused", "b", &paused);
+
+        ASSERT_EQ(paused, FALSE);
+
+        guint32 pause_level;
+        g_variant_lookup(sig.array_dict_sv_data, "pauseLevel", "u", &pause_level);
+
+        ASSERT_EQ(pause_level, 0);
+
+        g_free(sig.interface);
+        g_variant_unref(sig.array_dict_sv_data);
+        g_variant_unref(sig.array_s_data);
+        dbus_signal_unsubscribe_propertieschanged(&sig);
+        PASS();
+}
+
 TEST test_close_and_signal(void)
 {
         GVariant *data, *ret;
@@ -1660,6 +1728,8 @@ gpointer run_threaded_tests(gpointer data)
         RUN_TEST(test_close_and_signal);
         RUN_TEST(test_signal_actioninvoked);
         RUN_TEST(test_signal_length_propertieschanged);
+        RUN_TEST(test_signal_paused_propertieschanged_pause);
+        RUN_TEST(test_signal_paused_propertieschanged_unpause);
         RUN_TEST(test_timeout_overflow);
         RUN_TEST(test_override_dbus_timeout);
         RUN_TEST(test_match_dbus_timeout);