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

tests/test_config.py

@@ -0,0 +1,49 @@
+import os
+import pytest
+from config import validate, HEADERS, Config
+
+class TestValidate:
+    def test_valid_config(self, env_vars):
+        cfg = validate()
+        assert isinstance(cfg, Config)
+        assert cfg.ics_url == "https://example.com/cal.ics"
+        assert cfg.baikal_url == "https://baikal.com/dav.php/calendars/user/cal/"
+        assert cfg.baikal_user == "user"
+        assert cfg.baikal_pass == "pass"
+        assert cfg.sync_frequency == 5
+
+    def test_default_frequency(self, monkeypatch, env_vars):
+        monkeypatch.delenv("SYNC_FREQUENCY", raising=False)
+        cfg = validate()
+        assert cfg.sync_frequency == 5
+
+    def test_missing_ics_url(self, monkeypatch, env_vars):
+        monkeypatch.delenv("ICS_URL", raising=False)
+        with pytest.raises(ValueError, match="ICS_URL"):
+            validate()
+
+    def test_missing_all_required(self, monkeypatch, env_vars):
+        for var in ["ICS_URL", "BAIKAL_URL", "BAIKAL_USER", "BAIKAL_PASS"]:
+            monkeypatch.delenv(var, raising=False)
+        with pytest.raises(ValueError):
+            validate()
+
+    def test_invalid_frequency(self, monkeypatch, env_vars):
+        monkeypatch.setenv("SYNC_FREQUENCY", "-1")
+        with pytest.raises(ValueError, match="SYNC_FREQUENCY"):
+            validate()
+
+    def test_frequency_zero(self, monkeypatch, env_vars):
+        monkeypatch.setenv("SYNC_FREQUENCY", "0")
+        with pytest.raises(ValueError, match="SYNC_FREQUENCY"):
+            validate()
+
+    def test_frequency_string(self, monkeypatch, env_vars):
+        monkeypatch.setenv("SYNC_FREQUENCY", "abc")
+        with pytest.raises(ValueError, match="SYNC_FREQUENCY"):
+            validate()
+
+class TestHeaders:
+    def test_headers_exist(self):
+        assert "User-Agent" in HEADERS
+        assert "Unraid-Sync" in HEADERS["User-Agent"]