TravisCI integration and updated test suite (#296)

* Make TravisCI setup

* Use pytest, move tests to seperate files

* Added system to check if `onX` events were successfully executed

tests/conftest.py

@@ -0,0 +1,101 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import unicode_literals
+
+import pytest
+import json
+
+from utils import *
+from contextlib import contextmanager
+from fbchat.models import ThreadType
+
+
+@pytest.fixture(scope="session")
+def user(client2):
+    return {"id": client2.uid, "type": ThreadType.USER}
+
+
+@pytest.fixture(scope="session")
+def group(pytestconfig):
+    return {"id": load_variable("group_id", pytestconfig.cache), "type": ThreadType.GROUP}
+
+
+@pytest.fixture(scope="session", params=["user", "group"])
+def thread(request, user, group):
+    return user if request.param == "user" else group
+
+
+@pytest.fixture(scope="session")
+def client1(pytestconfig):
+    with load_client(1, pytestconfig.cache) as c:
+        yield c
+
+
+@pytest.fixture(scope="session")
+def client2(pytestconfig):
+    with load_client(2, pytestconfig.cache) as c:
+        yield c
+
+
+@pytest.fixture  # (scope="session")
+def client(client1, thread):
+    client1.setDefaultThread(thread["id"], thread["type"])
+    yield client1
+    client1.resetDefaultThread()
+
+
+@pytest.fixture(scope="session", params=["client1", "client2"])
+def client_all(request, client1, client2):
+    return client1 if request.param == "client1" else client2
+
+
+@pytest.fixture(scope="session")
+def catch_event(client2):
+    t = ClientThread(client2)
+    t.start()
+
+    @contextmanager
+    def inner(method_name):
+        caught = CaughtValue()
+        old_method = getattr(client2, method_name)
+
+        # Will be called by the other thread
+        def catch_value(*args, **kwargs):
+            old_method(*args, **kwargs)
+            # Make sure the `set` is only called once
+            if not caught.is_set():
+                caught.set(kwargs)
+
+        setattr(client2, method_name, catch_value)
+        yield caught
+        caught.wait()
+        if not caught.is_set():
+            raise ValueError("The value could not be caught")
+        setattr(client2, method_name, old_method)
+
+    yield inner
+
+    t.should_stop.set()
+
+    try:
+        # Make the client send a messages to itself, so the blocking pull request will return
+        # This is probably not safe, since the client is making two requests simultaneously
+        client2.sendMessage("Shutdown", client2.uid)
+    finally:
+        t.join()
+
+
+@pytest.fixture  # (scope="session")
+def compare(client, thread):
+    def inner(caught_event, **kwargs):
+        d = {
+            "author_id": client.uid,
+            "thread_id": client.uid
+            if thread["type"] == ThreadType.USER
+            else thread["id"],
+            "thread_type": thread["type"],
+        }
+        d.update(kwargs)
+        return subset(caught_event.res, **d)
+
+    return inner