add redis and general container (#24)

* add elasticsearch container

* add the Redis and General container types

* fix name

* remove unneeded urllib test

Author: daTokenizer

testcontainers/elasticsearch.py

@@ -0,0 +1,41 @@
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+from testcontainers.core.container import DockerContainer
+from testcontainers.core.waiting_utils import wait_container_is_ready
+import urllib
+
+
+class ElasticsearchContainer(DockerContainer):
+    def __init__(self, image="elasticsearch:latest", port_to_expose=9200):
+        super(ElasticsearchContainer, self).__init__(image)
+        self.port_to_expose = port_to_expose
+        self.with_exposed_ports(self.port_to_expose)
+        cmd_dict = {
+            'transport.host': '127.0.0.1',
+            'http.host': '0.0.0.0',
+            'discovery.zen.minimum_master_nodes': '1'
+        }
+        command = ' '.join(['-E{0}={1}'.format(k, v) for k, v in cmd_dict.items()])
+        self.with_command(command)
+
+    @wait_container_is_ready()
+    def _connect(self):
+        port = self.get_exposed_port(self.port_to_expose)
+        res = urllib.request.urlopen('http://127.0.0.1:{}'.format(port))
+        if res.status != 200:
+            raise Exception()
+
+    def start(self):
+        super().start()
+        self._connect()
+        return self

testcontainers/general.py

@@ -0,0 +1,22 @@
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+from testcontainers.core.container import DockerContainer
+from testcontainers.core.waiting_utils import wait_container_is_ready
+
+
+class TestContainer(DockerContainer):
+    def __init__(self, image, port_to_expose=None):
+        super(RedisContainer, self).__init__(image)
+        if port_to_expose:
+		self.port_to_expose = port_to_expose
+	        self.with_exposed_ports(self.port_to_expose)

testcontainers/redis.py

@@ -0,0 +1,21 @@
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+from testcontainers.core.container import DockerContainer
+from testcontainers.core.waiting_utils import wait_container_is_ready
+
+class RedisContainer(DockerContainer):
+    def __init__(self, image="redis:latest", port_to_expose=6379):
+        super(RedisContainer, self).__init__(image)
+        self.port_to_expose = port_to_expose
+        self.with_exposed_ports(self.port_to_expose)
+