Added integration testing.

tests/step_defs/server.py

@@ -0,0 +1,40 @@
+"""Fixture for setting up a single server."""
+
+from asyncio import create_subprocess_exec, get_event_loop, sleep
+from pathlib import Path
+
+class Server:
+    """Setup a single server."""
+
+    def __init__(self):
+        """Initialization of a server."""
+        self.settings = {}
+        self.settings["address"] = "127.0.0.1"
+        self.settings["port"] = 9090
+        self.process = None
+        self.loop = get_event_loop()
+
+    async def __start(self):
+        """async start of the server."""
+        self.process = await create_subprocess_exec(
+                Path.cwd().joinpath("target", "release", "morethantext_web")
+                )
+        await sleep(1)
+
+    async def __stop(self):
+        """async stop of the server."""
+        if self.process is not None and self.process.returncode is None:
+            self.process.terminate()
+            await self.process.wait()
+
+    def start(self):
+        """Start the server."""
+        self.loop.run_until_complete(self.__start())
+
+    def stop(self):
+        """Stop the server."""
+        self.loop.run_until_complete(self.__stop())
+
+    def destroy(self):
+        """Removes the server instance."""
+        self.stop()