Merge pull request #181 from NIC619/fix_handle_unsubscribe

Fix: handle unsubscribe message

tests/pubsub/test_gossipsub.py

@@ -14,6 +14,54 @@ from tests.utils import cleanup
 SUPPORTED_PROTOCOLS = ["/gossipsub/1.0.0"]
 
 
+@pytest.mark.asyncio
+async def test_join():
+    num_hosts = 1
+    libp2p_hosts = await create_libp2p_hosts(num_hosts)
+
+    # Create pubsub, gossipsub instances
+    _, gossipsubs = create_pubsub_and_gossipsub_instances(libp2p_hosts, \
+                                                                SUPPORTED_PROTOCOLS, \
+                                                                10, 9, 11, 30, 3, 5, 0.5)
+
+    gossipsub = gossipsubs[0]
+    topic = "test_join"
+
+    assert topic not in gossipsub.mesh
+    await gossipsub.join(topic)
+    assert topic in gossipsub.mesh
+
+    # Test re-join
+    await gossipsub.join(topic)
+
+    await cleanup()
+
+
+@pytest.mark.asyncio
+async def test_leave():
+    num_hosts = 1
+    libp2p_hosts = await create_libp2p_hosts(num_hosts)
+
+    # Create pubsub, gossipsub instances
+    _, gossipsubs = create_pubsub_and_gossipsub_instances(libp2p_hosts, \
+                                                                SUPPORTED_PROTOCOLS, \
+                                                                10, 9, 11, 30, 3, 5, 0.5)
+
+    gossipsub = gossipsubs[0]
+    topic = "test_leave"
+
+    await gossipsub.join(topic)
+    assert topic in gossipsub.mesh
+
+    await gossipsub.leave(topic)
+    assert topic not in gossipsub.mesh
+
+    # Test re-leave
+    await gossipsub.leave(topic)
+
+    await cleanup()
+
+
 @pytest.mark.asyncio
 async def test_dense():
     # Create libp2p hosts

tests/pubsub/test_subscription.py

@@ -0,0 +1,63 @@
+# pylint: disable=redefined-outer-name
+import pytest
+
+from libp2p import new_node
+from libp2p.pubsub.pubsub import Pubsub
+from libp2p.pubsub.floodsub import FloodSub
+
+SUPPORTED_PUBSUB_PROTOCOLS = ["/floodsub/1.0.0"]
+TESTING_TOPIC = "TEST_SUBSCRIBE"
+
+
+class NoConnNode:
+    # pylint: disable=too-few-public-methods
+
+    def __init__(self, host, pubsub):
+        self.host = host
+        self.pubsub = pubsub
+
+    @classmethod
+    async def create(cls):
+        host = await new_node()
+        floodsub = FloodSub(SUPPORTED_PUBSUB_PROTOCOLS)
+        pubsub = Pubsub(host, floodsub, "test")
+        return cls(host, pubsub)
+
+
+@pytest.fixture
+async def node():
+    return await NoConnNode.create()
+
+
+@pytest.mark.asyncio
+async def test_subscribe_unsubscribe(node):
+    await node.pubsub.subscribe(TESTING_TOPIC)
+    assert TESTING_TOPIC in node.pubsub.my_topics
+
+    await node.pubsub.unsubscribe(TESTING_TOPIC)
+    assert TESTING_TOPIC not in node.pubsub.my_topics
+
+
+@pytest.mark.asyncio
+async def test_re_subscribe(node):
+    await node.pubsub.subscribe(TESTING_TOPIC)
+    assert TESTING_TOPIC in node.pubsub.my_topics
+
+    await node.pubsub.subscribe(TESTING_TOPIC)
+    assert TESTING_TOPIC in node.pubsub.my_topics
+
+
+@pytest.mark.asyncio
+async def test_re_unsubscribe(node):
+    # Unsubscribe from topic we didn't even subscribe to
+    assert "NOT_MY_TOPIC" not in node.pubsub.my_topics
+    await node.pubsub.unsubscribe("NOT_MY_TOPIC")
+
+    await node.pubsub.subscribe(TESTING_TOPIC)
+    assert TESTING_TOPIC in node.pubsub.my_topics
+
+    await node.pubsub.unsubscribe(TESTING_TOPIC)
+    assert TESTING_TOPIC not in node.pubsub.my_topics
+
+    await node.pubsub.unsubscribe(TESTING_TOPIC)
+    assert TESTING_TOPIC not in node.pubsub.my_topics