Add group test

tests/test_group.py

@@ -0,0 +1,43 @@
+from fbchat._group import Group
+
+
+def test_group_from_graphql():
+    data = {
+        "name": "Group ABC",
+        "thread_key": {"thread_fbid": "11223344"},
+        "image": None,
+        "is_group_thread": True,
+        "all_participants": {
+            "nodes": [
+                {"messaging_actor": {"id": "1234"}},
+                {"messaging_actor": {"id": "2345"}},
+                {"messaging_actor": {"id": "3456"}},
+            ]
+        },
+        "customization_info": {
+            "participant_customizations": [],
+            "outgoing_bubble_color": None,
+            "emoji": "😀",
+        },
+        "thread_admins": [{"id": "1234"}],
+        "group_approval_queue": {"nodes": []},
+        "approval_mode": 0,
+        "joinable_mode": {"mode": "0", "link": ""},
+        "event_reminders": {"nodes": []},
+    }
+    assert Group(
+        uid="11223344",
+        photo=None,
+        name="Group ABC",
+        last_active=None,
+        message_count=None,
+        plan=None,
+        participants={"1234", "2345", "3456"},
+        nicknames={},
+        color=None,
+        emoji="😀",
+        admins={"1234"},
+        approval_mode=False,
+        approval_requests=set(),
+        join_link="",
+    ) == Group._from_graphql(data)