Added initial cluster setup.

release_tests/support/cluster.py

@@ -0,0 +1,26 @@
+"""Create a cluster."""
+
+from release_tests.support.mttserver import MTTServer
+from release_tests.support.translate import Translate
+
+class Cluster():
+    """cluster of MoreThanText."""
+
+    def __init__(self, num=2):
+        """initialization"""
+        self.translate = Translate()
+        self.servers = []
+        for _ in range(num):
+            self.servers.append(MTTServer())
+
+    async def start(self):
+        """Start the cluster."""
+        await self.translate.start()
+        for server in self.servers:
+            await server.start()
+
+    async def stop(self):
+        """Stops cluster."""
+        await self.translate.stop()
+        for server in self.servers:
+            await server.stop()

release_tests/support/mttserver.py

@@ -1,6 +1,7 @@
 """Starts and runs releasse version of MoreThanText server."""
 
 from asyncio import create_subprocess_exec
+from socket import AF_INET, SOCK_STREAM, socket
 from pathlib import Path
 from release_tests.support import ADDR, get_port
 
@@ -24,3 +25,13 @@ class MTTServer:
     async def start(self):
         """Starts the server."""
         self.server = await create_subprocess_exec(*self.cmd)
+        # delays the return untul the serverr is responding.  
+        with socket(AF_INET, SOCK_STREAM) as soc:
+            while soc.connect_ex((ADDR, self.port)) != 0:
+                continue
+
+    async def stop(self):
+        """Stops the server."""
+        if self.server:
+            self.server.terminate()
+            await self.server.wait()

release_tests/support/test_cluster.py

@@ -0,0 +1,25 @@
+"""Testing the the cluster."""
+
+from unittest import IsolatedAsyncioTestCase
+from aiohttp import ClientSession
+from release_tests.support.cluster import Cluster
+
+class ClusterTC(IsolatedAsyncioTestCase):
+    """Test for the MoreThanText cluster."""
+
+    async def test_create_default_cluster(self):
+        """create a complete two server cluster."""
+        cluster = Cluster()
+        await cluster.start()
+        async with ClientSession() as session:
+            url = cluster.translate.baseurl
+            async with session.get(url) as resp:
+                text = await resp.text()
+                self.assertEqual(resp.status, 200, text)
+            self.assertEqual(len(cluster.servers), 2)
+            for server in cluster.servers:
+                url = server.baseurl
+                async with session.get(url) as resp:
+                    text = await resp.text()
+                    self.assertEqual(resp.status, 200, text)
+        await cluster.stop()

release_tests/support/translate.py

@@ -7,9 +7,12 @@ from release_tests.support import ADDR, get_port
 class Translate:
     """Creates a translation mock for release testing."""
 
-    def __init__(self, url="/", replies=["Hello"]):
+    def __init__(self, url="/", replies=[]):
         """Initialize"""
 
+        if not replies:
+            replies = ["hello."]
+
         async def reply(_):
             """response to return"""
             nonlocal replies
@@ -33,3 +36,7 @@ class Translate:
         await self.runner.setup()
         site = web.TCPSite(self.runner, ADDR, self.port)
         await site.start()
+
+    async def stop(self):
+        """Stops the application."""
+        await self.runner.cleanup()