add property-based tests for KML features including Document, Folder,…

… Placemark, and Overlays

tests/hypothesis/kml_test.py

@@ -0,0 +1,72 @@
+# Copyright (C) 2024  Christian Ledermann
+#
+# This library is free software; you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation; either version 2.1 of the License, or (at your option)
+# any later version.
+#
+# This library is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+"""Property-based tests for the views module."""
+
+from hypothesis import given
+from hypothesis import strategies as st
+from hypothesis.provisional import urls
+
+import fastkml.containers
+import fastkml.features
+import fastkml.kml
+import fastkml.links
+import fastkml.overlays
+from tests.base import Lxml
+from tests.hypothesis.common import assert_repr_roundtrip
+from tests.hypothesis.common import assert_str_roundtrip
+from tests.hypothesis.common import assert_str_roundtrip_terse
+from tests.hypothesis.common import assert_str_roundtrip_verbose
+
+
+class TestLxml(Lxml):
+    @given(
+        feature=st.one_of(
+            st.builds(
+                fastkml.containers.Document,
+            ),
+            st.builds(
+                fastkml.containers.Folder,
+            ),
+            st.builds(
+                fastkml.features.Placemark,
+            ),
+            st.builds(
+                fastkml.overlays.GroundOverlay,
+            ),
+            st.builds(
+                fastkml.overlays.PhotoOverlay,
+            ),
+            st.builds(
+                fastkml.features.NetworkLink,
+                link=st.builds(
+                    fastkml.links.Link,
+                    href=urls(),
+                ),
+            ),
+        ),
+    )
+    def test_fuzz_document(
+        self,
+        feature: fastkml.features._Feature,
+    ) -> None:
+        kml = fastkml.kml.KML(
+            features=[feature],  # type: ignore[list-item]
+        )
+
+        assert_repr_roundtrip(kml)
+        assert_str_roundtrip(kml)
+        assert_str_roundtrip_terse(kml)
+        assert_str_roundtrip_verbose(kml)