Refs #21808: Improve tests asserting positives and negatives cases

Signed-off-by: Mario Dominguez <mariodominguez@eprosima.com>

Author: Mario-DL

fastdds_python/test/api/test_datareader.py

@@ -773,25 +773,35 @@ def test_get_liveliness_changed_status(datareader):
     assert(fastdds.c_InstanceHandle_Unknown == status.last_publication_handle)
 
 
-def test_get_matched_publication_data(datareader):
+def test_get_matched_publication_data(datareader, datawriter):
     """
     This test checks:
     - DataReader::get_matched_publication_data
     """
+    # Check with an invalid instance handle
     pub_data = fastdds.PublicationBuiltinTopicData()
     ih = fastdds.InstanceHandle_t()
     assert(fastdds.RETCODE_BAD_PARAMETER ==
            datareader.get_matched_publication_data(pub_data, ih))
 
+    time.sleep(1)
+    # Check with the writer's instance handle
+    assert(fastdds.RETCODE_OK ==
+           datareader.get_matched_publication_data(pub_data, datawriter.get_instance_handle()))
+    assert(pub_data.guid == datawriter.guid())
 
-def test_get_matched_publications(datareader):
+def test_get_matched_publications(datareader, datawriter):
     """
     This test checks:
     - DataReader::get_matched_publications
     """
     ihs = fastdds.InstanceHandleVector()
+    time.sleep(1)
     assert(fastdds.RETCODE_OK ==
            datareader.get_matched_publications(ihs))
+    # The datawriter (added in the fixture) is the only
+    # one that should be matched
+    assert(1 == ihs.size())
 
 
 def test_get_requested_deadline_missed_status(datareader):

fastdds_python/test/api/test_datawriter.py

@@ -308,26 +308,40 @@ def test_get_liveliness_lost_status(datawriter):
     assert(0 == status.total_count_change)
 
 
-def test_get_matched_subscription_data(datawriter):
+def test_get_matched_subscription_data(datawriter, reader_topic, subscriber):
     """
     This test checks:
     - DataWriter::get_matched_subscription_data
     """
+    # Check with an invalid instance handle
     sub_data = fastdds.SubscriptionBuiltinTopicData()
     ih = fastdds.InstanceHandle_t()
     assert(fastdds.RETCODE_BAD_PARAMETER ==
            datawriter.get_matched_subscription_data(sub_data, ih))
 
+    # Add a reader and check that the datawriter has matched subscriptions
+    datareader = subscriber.create_datareader(reader_topic, fastdds.DATAREADER_QOS_DEFAULT)
+    time.sleep(1)
+    assert(fastdds.RETCODE_OK ==
+           datawriter.get_matched_subscription_data(sub_data, datareader.get_instance_handle()))
+    assert(sub_data.guid == datareader.guid())
+    assert(fastdds.RETCODE_OK ==
+           subscriber.delete_datareader(datareader))
 
-def test_get_matched_subscriptions(datawriter):
+def test_get_matched_subscriptions(datawriter, reader_topic, subscriber):
     """
     This test checks:
     - DataWriter::get_matched_subscriptions
     """
     ihs = fastdds.InstanceHandleVector()
+    # Add a reader and check that the datawriter has matched subscriptions
+    datareader = subscriber.create_datareader(reader_topic, fastdds.DATAREADER_QOS_DEFAULT)
+    time.sleep(1)
+    assert(fastdds.RETCODE_OK == datawriter.get_matched_subscriptions(ihs))
+    assert(1 == ihs.size())
+    assert(ihs[0] == datareader.get_instance_handle())
     assert(fastdds.RETCODE_OK ==
-           datawriter.get_matched_subscriptions(ihs))
-
+           subscriber.delete_datareader(datareader))
 
 def test_get_offered_deadline_missed_status(datawriter):
     """