feature/precode (#2)

- Implent support to play precoded files
- Implement a basic client -server architecture

Reviewed-on: https://gitea.pstruebi.xyz/auracaster/bumble-auracast/pulls/2

tests/test_server.py

@@ -0,0 +1,74 @@
+import pytest
+import pytest_asyncio
+import asyncio
+from quart import jsonify
+from auracast.utils.read_lc3_file import read_lc3_file
+from auracast import multicast_server
+
+@pytest.fixture
+def client():
+    """Fixture to create and return a Quart test client."""
+    yield multicast_server.app.test_client()
+
+@pytest_asyncio.fixture
+async def init_broadcast(client):
+    response = await client.post('/init')
+    json_data = await response.get_json()
+
+    assert response.status_code == 200
+    assert json_data["status"] == "initialized"
+
+
+@pytest.mark.asyncio
+async def test_shutdown(client, init_broadcast):
+    """Tests the /shutdown endpoint."""
+
+    response = await client.post('/shutdown')
+    json_data = await response.get_json()
+
+    assert response.status_code == 200
+    assert json_data["status"] == "stopped"
+
+
+@pytest.mark.asyncio
+async def test_stop_audio(client, init_broadcast):
+    """Tests the /stop_audio endpoint."""
+
+    response = await client.post('/stop_audio')
+    json_data = await response.get_json()
+
+    assert response.status_code == 200
+    assert json_data["status"] == "stopped"
+
+
+@pytest.mark.asyncio
+async def test_send_audio(client, init_broadcast):
+    """Tests the /stream_lc3 endpoint."""
+    test_audio_data = { # TODO: investigate further whats the best way to actually transfer the data 
+        "broadcast_de": read_lc3_file('src/auracast/testdata/announcement_de_10_16_32.lc3').decode('latin-1'),
+        "broadcast_en": read_lc3_file('src/auracast/testdata/announcement_en_10_16_32.lc3').decode('latin-1')
+    }
+
+    response = await client.post('/stream_lc3', json=test_audio_data)
+    json_data = await response.get_json()
+
+    assert response.status_code == 200
+    assert json_data["status"] == "audio_sent"
+
+    await asyncio.wait([multicast_server.multicaster.streamer.task], timeout=10) 
+    # Ensure the audio data is correctly assigned
+    for key, val in multicast_server.big_conf.items():
+        if key in test_audio_data:
+            assert val.audio_source == test_audio_data[key].encode('latin-1')
+        else:
+            assert val.audio_source == b""
+
+
+@pytest.mark.asyncio
+async def test_get_status(client):
+    """Tests the /status endpoint."""
+    response = await client.get('/status')
+    json_data = await response.get_json()
+
+    assert response.status_code == 200
+    assert "status" in json_data