v1

oms-tui/tests/test_integration.py

@@ -0,0 +1,43 @@
+"""End-to-end test through the real wmbusmeters binary (skipped if absent)."""
+
+import asyncio
+import shutil
+
+import pytest
+
+from oms_tui.wmbus import WMBusSource
+
+TELEGRAM = (
+    "C1;1;1;2020-01-23 10:25:13.000;97;148;76348799;"
+    "0x2A442D2C998734761B168D2091D37CAC21E1D68CDAFFCD3DC452BD802913FF7B1706CA9E355D6C2701CC24\n"
+)
+KEY = "28F64A24988064A079AA2C807D6102AE"
+
+
+@pytest.mark.skipif(shutil.which("wmbusmeters") is None, reason="wmbusmeters not on PATH")
+def test_pipeline_discovers_and_decrypts():
+    events = []
+
+    async def run():
+        src = WMBusSource(
+            device="stdin:rtlwmbus", stdin_data=(TELEGRAM * 3).encode()
+        )
+        src.set_keys({"76348799": KEY})
+        await src.start(events.append)
+        for _ in range(50):  # up to ~5s for the process to finish replaying
+            await asyncio.sleep(0.1)
+            if any(e["type"] == "json" for e in events):
+                break
+        await src.stop()
+
+    asyncio.run(run())
+
+    ids = {e.get("id") for e in events if e["type"] in ("dll", "json")}
+    assert "76348799" in ids
+
+    dlls = [e for e in events if e["type"] == "dll"]
+    assert any(e["manufacturer"] == "KAM" for e in dlls)
+
+    jsons = [e for e in events if e["type"] == "json"]
+    assert jsons, "no decrypted telegram produced"
+    assert any(e["fields"].get("total_m3") == 6.408 for e in jsons)