Use random names for networks

Author: mloesch

core/testcontainers/core/network.py

@@ -10,18 +10,19 @@
 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 #    License for the specific language governing permissions and limitations
 #    under the License.
+import uuid
 from typing import Optional
 
 from testcontainers.core.docker_client import DockerClient
 
 
 class Network(object):
     """
-    Network context manager to conveniently connect containers.
+    Network context manager for programmatically connecting containers.
     """
 
-    def __init__(self, name, docker_client_kw: Optional[dict] = None, **kwargs) -> None:
-        self.name = name
+    def __init__(self, docker_client_kw: Optional[dict] = None, **kwargs) -> None:
+        self.name = str(uuid.uuid4())
         self._docker = DockerClient(**(docker_client_kw or {}))
         self._kwargs = kwargs
 

core/tests/test_network.py

@@ -4,16 +4,16 @@
 
 
 def test_network_gets_created_and_cleaned_up():
-    with Network("test-network") as network:
+    with Network() as network:
         docker = DockerClient()
-        networks_list = docker.client.networks.list("test-network")
-        assert networks_list[0].name == "test-network"
+        networks_list = docker.client.networks.list(network.name)
+        assert networks_list[0].name == network.name
         assert networks_list[0].id == network.id
-    assert not docker.client.networks.list("test-network")
+    assert not docker.client.networks.list(network.name)
 
 
 def test_containers_can_communicate_over_network():
-    with Network("network") as network:
+    with Network() as network:
         with DockerContainer("nginx:alpine-slim").with_name(
                 "alpine1").with_kwargs(network=network.name) as alpine1:
             with DockerContainer("nginx:alpine-slim").with_name(