🧪 Add tests for nmea_error.py

tests/test_nmea/test_nmea_error.py

@@ -0,0 +1,34 @@
+import pytest
+
+from nmea.nmea_error import NmeaChecksumError, NmeaError
+
+
+def test_nmea_error_inheritance():
+    """Test that NmeaError is an Exception."""
+    assert issubclass(NmeaError, Exception)
+
+
+def test_nmea_checksum_error_inheritance():
+    """Test that NmeaChecksumError inherits from NmeaError and Exception."""
+    assert issubclass(NmeaChecksumError, NmeaError)
+    assert issubclass(NmeaChecksumError, Exception)
+
+
+def test_raise_nmea_error():
+    """Test raising and catching NmeaError."""
+    with pytest.raises(NmeaError) as exc_info:
+        raise NmeaError("General NMEA error occurred")
+
+    assert str(exc_info.value) == "General NMEA error occurred"
+
+
+def test_raise_nmea_checksum_error():
+    """Test raising and catching NmeaChecksumError."""
+    with pytest.raises(NmeaChecksumError) as exc_info:
+        raise NmeaChecksumError("Invalid checksum")
+
+    assert str(exc_info.value) == "Invalid checksum"
+
+    # Also make sure it can be caught as NmeaError
+    with pytest.raises(NmeaError):
+        raise NmeaChecksumError("Invalid checksum")