diff --git a/tests/store/test_topics.py b/tests/store/test_topics.py
index fc315c01..564a9852 100644
--- a/tests/store/test_topics.py
+++ b/tests/store/test_topics.py
@@ -2,6 +2,10 @@ import pytest
 from src.env_vars import NODE_2
 from src.steps.store import StepsStore
 from src.test_data import CONTENT_TOPICS_DIFFERENT_SHARDS
+from src.libs.custom_logger import get_custom_logger
+from src.test_data import PUBSUB_TOPICS_STORE
+
+logger = get_custom_logger(__name__)
 
 
 @pytest.mark.xfail("go-waku" in NODE_2, reason="Bug reported: https://github.com/waku-org/go-waku/issues/1108")
@@ -79,3 +83,69 @@ class TestTopics(StepsStore):
         for node in self.store_nodes:
             store_response = node.get_store_messages(page_size=20, ascending="true")
             assert len(store_response["messages"]) == len(CONTENT_TOPICS_DIFFERENT_SHARDS), "Message count mismatch"
+
+    def test_store_with_not_valid_content_topic(self):
+        empty_content_topic = ""
+        for node in self.store_nodes:
+            store_response = node.get_store_messages(page_size=20, include_data="true", ascending="true", content_topics=empty_content_topic)
+            assert len(store_response["messages"]) == len(CONTENT_TOPICS_DIFFERENT_SHARDS), "Message count mismatch"
+        # test with space string content topic
+        space_content_topic = " "
+        try:
+            store_response = self.store_nodes[0].get_store_messages(
+                page_size=20, include_data="true", ascending="true", content_topics=space_content_topic
+            )
+            logger.debug(f" response for empty content_topic {store_response}")
+            assert store_response["messages"] == [], "message stored with wrong topic "
+        except Exception as e:
+            raise Exception("couldn't get stored message")
+
+    def test_store_with_wrong_url_content_topic(self):
+        # test with wrong url
+        wrong_content_topic = "myapp/1/latest/proto"
+        try:
+            store_response = self.store_nodes[0].get_store_messages(
+                page_size=20, include_data="true", ascending="true", content_topics=wrong_content_topic
+            )
+            logger.debug(f" response for wrong url content topic is {store_response}")
+            assert store_response["messages"] == [], "message stored with wrong topic "
+        except Exception as e:
+            raise Exception("couldn't get stored message")
+
+    def test_store_with_empty_pubsub_topics(self):
+        # empty pubsub topic
+        empty_topic = ""
+        index = iter(self.store_nodes)
+        logger.debug(f"Trying to get stored msg with empty pubsub topic")
+        store_response = self.store_nodes[0].get_store_messages(pubsub_topic=empty_topic, include_data="true", page_size=20, ascending="true")
+        logger.debug(f"getting the following response when sending empty pubsub_topic {store_response}")
+        for msg in store_response["messages"]:
+            assert msg["pubsubTopic"] == self.test_pubsub_topic, "wrong pubsub topic"
+        logger.debug(f"messages successfully queried with empty pubsub topic ")
+
+    def test_store_with_wrong_url_pubsub_topic(self):
+        # wrong url pubsub topic
+        wrong_url_topic = PUBSUB_TOPICS_STORE[0][1:]
+        logger.debug(f"Trying to get stored msg with wrong url topic {wrong_url_topic}")
+        try:
+            self.publish_message(pubsub_topic=PUBSUB_TOPICS_STORE[0])
+            self.check_published_message_is_stored(pubsub_topic=wrong_url_topic)
+            raise Exception("getting  stored message  with wrong url pubsub topic")
+        except Exception as e:
+            logger.error(f"Topic {wrong_url_topic} is wrong ''n: {str(e)}")
+            assert e.args[0].find("messages': []") != -1, "Message shall not be stored for wrong topic"
+
+    def test_store_with_long_string_pubsub_topic(self):
+        # long topic string
+        long_url_topic = PUBSUB_TOPICS_STORE[0][:-1]
+        million = 1000000
+        for i in range(million):
+            long_url_topic += str(i)
+        logger.debug(f"Trying to get stored msg with url topic size million ")
+        self.publish_message(pubsub_topic=PUBSUB_TOPICS_STORE[0])
+        try:
+            self.check_published_message_is_stored(pubsub_topic=long_url_topic)
+            raise Exception("request stored message with very long topic string shouldn't be accepted")
+        except Exception as e:
+            logger.error(f"store request with very long pubsub topic wasn't accepted ")
+            assert e.args[0].find("Client Error: Request Header Fields Too Large for url") != -1, "error isn't for large url"