Allow to write .ifcZIP | .ifcXML #2350

Transparently write any .ifc | .ifcXML | .ifcZIP formatted file
 with any extension :
- by guessing format from its extension
(eg. .zip | .ifczip | .ifcZIP | .ifcXML | .ifcxml | .IFC | .ifc)
zipped file can file can be of any supported format
- by specifying a format
- by specifying if it should be zipped

src/ifcopenshell-python/test/test_write.py

@@ -0,0 +1,63 @@
+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2021 Thomas Krijnen <thomas@aecgeeks.com>
+#
+# This file is part of IfcOpenShell.
+#
+# IfcOpenShell 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 3 of the License, or
+# (at your option) any later version.
+#
+# IfcOpenShell 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 IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+
+import tempfile
+from pathlib import Path
+import pytest
+import ifcopenshell
+
+
+TEST_FILE_DIR = Path("../../test/input/")
+
+
+class TestWrite:
+    def setup(self):
+        self.model = ifcopenshell.open(TEST_FILE_DIR / "WallInstance_IFC4Add2.ifc")
+
+    def assert_model_is_written(self, filename, format=None, zipped=False):
+        with tempfile.TemporaryDirectory() as temp_dir:
+            file_path = Path(temp_dir) / filename
+            self.model.write(file_path, format, zipped)
+            assert file_path.exists()
+
+    def test_write_ifcspf(self):
+        self.assert_model_is_written("model.ifc")
+
+    def test_write_ifcxml(self):
+        self.assert_model_is_written("model.ifcXML")
+
+    def test_write_ifc_zip_ifcxml_format(self):
+        self.assert_model_is_written("model.ifcZIP", format=".ifcXML", zipped=True)
+
+    def test_write_ifc_zip_ifcspf_format(self):
+        self.assert_model_is_written("model.ifcZIP")
+
+    def test_write_zip(self):
+        self.assert_model_is_written("model.zip", format=".ifcZIP")
+
+    def test_write_anyextension_ifcspf_format(self):
+        self.assert_model_is_written("model.anyextension", format=".ifc")
+
+    def test_write_anyextension_ifczip_ifcspf_format(self):
+        self.assert_model_is_written("model.anyextension", format=".ifc", zipped=True)
+
+    def test_write_anyextension_ifcxml_format(self):
+        self.assert_model_is_written("model.anyextension", format=".ifcXML")
+
+    def test_write_anyextension_ifczip_ifcxml_format(self):
+        self.assert_model_is_written("model.anyextension", format=".ifcXML", zipped=True)