feat: add tests, update configs, fix state.py return, update gitignore

tests/conftest.py

@@ -0,0 +1,68 @@
+import os
+import sys
+import pytest
+import tempfile
+
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), ".."))
+
+@pytest.fixture
+def ics_sample():
+    """Return a sample ICS string with 2 events."""
+    return """BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Test
+BEGIN:VEVENT
+UID:evt-001@test.com
+DTSTAMP:20240101T000000Z
+DTSTART:20240101T100000Z
+DTEND:20240101T110000Z
+SUMMARY:Event One
+END:VEVENT
+BEGIN:VEVENT
+UID:evt-002@test.com
+DTSTAMP:20240101T000000Z
+DTSTART:20240102T100000Z
+DTEND:20240102T110000Z
+SUMMARY:Event Two
+END:VEVENT
+END:VCALENDAR"""
+
+@pytest.fixture
+def ics_sample_modified():
+    """Return ICS with one modified event and one new event."""
+    return """BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Test
+BEGIN:VEVENT
+UID:evt-001@test.com
+DTSTAMP:20240101T000000Z
+DTSTART:20240101T100000Z
+DTEND:20240101T120000Z
+SUMMARY:Event One Modified
+END:VEVENT
+BEGIN:VEVENT
+UID:evt-003@test.com
+DTSTAMP:20240101T000000Z
+DTSTART:20240103T100000Z
+DTEND:20240103T110000Z
+SUMMARY:Event Three
+END:VEVENT
+END:VCALENDAR"""
+
+@pytest.fixture
+def tmp_db():
+    """Return a temp database path."""
+    with tempfile.NamedTemporaryFile(suffix=".db", delete=False) as f:
+        path = f.name
+    yield path
+    if os.path.exists(path):
+        os.unlink(path)
+
+@pytest.fixture(autouse=True)
+def env_vars(monkeypatch):
+    """Set up required env vars for config tests."""
+    monkeypatch.setenv("ICS_URL", "https://example.com/cal.ics")
+    monkeypatch.setenv("BAIKAL_URL", "https://baikal.com/dav.php/calendars/user/cal/")
+    monkeypatch.setenv("BAIKAL_USER", "user")
+    monkeypatch.setenv("BAIKAL_PASS", "pass")
+    monkeypatch.setenv("SYNC_FREQUENCY", "5")