Add bpf_logging/tests/test_core.py

bpf_logging/tests/test_core.py

@@ -0,0 +1,45 @@
+import json
+import os
+import tempfile
+import pytest
+from pathlib import Path
+
+from bpf_logging import core
+
+
+def test_setup_bpf_logging_creates_environment(monkeypatch):
+    # Simuliert das Setup – erwartet keine Exceptions
+    test_id = "test123"
+    core.setup_bpf_logging(test_id)
+    # Kein Rückgabewert, daher nur prüfbar, dass kein Fehler auftritt
+
+
+def test_log_timekeeping_event_writes_json(monkeypatch):
+    tmpdir = tempfile.TemporaryDirectory()
+    log_path = Path(tmpdir.name) / "output" / "log_entries.json"
+
+    # Umleitung des globalen Logpfads innerhalb core
+    monkeypatch.setattr(core, "LOG_FILE", log_path)
+
+    correlation_id = "cid-42"
+    event_type = "first_tkread"
+
+    # Ausführen des Loggings
+    core.setup_bpf_logging(correlation_id)
+    core.log_timekeeping_event(event_type, correlation_id)
+
+    # Datei sollte existieren
+    assert log_path.exists()
+
+    # Inhalt prüfen
+    with open(log_path, 'r', encoding='utf-8') as f:
+        data = json.load(f)
+
+    assert isinstance(data, list)
+    assert len(data) == 1
+    entry = data[0]
+    assert entry["correlation_id"] == correlation_id
+    assert entry["event_type"] == event_type
+    assert isinstance(entry["timestamp"], float)
+
+    tmpdir.cleanup()