Refactor RTC structure (#1113)

* refactor rtc part1

* skip for macos

* merge create spd and create sdp offer

* fix lint

* add test for create_sdp_offer

* better naming for negotiate method as we get an answer

* extend tests based on mutations

* remove dead code

* rename rtc store and related methods

* clean store, move sender logic to stream helper under apis

* generate tests for rtc store

tests/test_rtc_store.py

@@ -1,7 +1,10 @@
+from typing import List
+
 import pytest
 
-from facefusion import state_manager
+from facefusion import rtc, rtc_store, state_manager
 from facefusion.libraries import datachannel as datachannel_module, opus as opus_module, vpx as vpx_module
+from facefusion.types import RtcPeer
 
 
 @pytest.fixture(scope = 'module', autouse = True)
@@ -13,11 +16,51 @@ def before_all() -> None:
 	vpx_module.pre_check()
 
 
-# TODO: test create_rtc_stream, get_rtc_stream, destroy_rtc_stream lifecycle
-def test_rtc_stream_lifecycle() -> None:
-	pass
+@pytest.fixture(autouse = True)
+def before_each() -> None:
+	rtc_store.RTC_STORE.clear()
 
 
-# TODO: test add_rtc_viewer with valid session and sdp offer
-def test_add_rtc_viewer() -> None:
-	pass
+# TODO: needs review
+def test_create_rtc_peers() -> None:
+	rtc_store.create_rtc_peers('test-session')
+
+	assert rtc_store.RTC_STORE.get('test-session') == []
+
+
+# TODO: needs review
+def test_get_rtc_peers() -> None:
+	assert rtc_store.get_rtc_peers('test-session') is None
+
+	rtc_store.create_rtc_peers('test-session')
+
+	assert rtc_store.get_rtc_peers('test-session') == []
+
+
+# TODO: needs review
+def test_destroy_rtc_peers() -> None:
+	rtc_store.create_rtc_peers('test-session')
+	rtc_store.destroy_rtc_peers('test-session')
+
+	assert rtc_store.get_rtc_peers('test-session') is None
+
+
+# TODO: needs review
+def test_destroy_rtc_peers_with_connections() -> None:
+	datachannel_library = datachannel_module.create_static_library()
+	peer_connection = rtc.create_peer_connection()
+	rtc_store.create_rtc_peers('test-session')
+	rtc_peers : List[RtcPeer] =\
+	[
+		{
+			'peer_connection': peer_connection,
+			'video_track': 0,
+			'audio_track': 0
+		}
+	]
+	rtc_store.RTC_STORE['test-session'] = rtc_peers
+
+	rtc_store.destroy_rtc_peers('test-session')
+
+	assert rtc_store.get_rtc_peers('test-session') is None
+	assert datachannel_library.rtcDeletePeerConnection(peer_connection) < 0