Test importing built library

Author: timkpaine

hatch_cpp/structs.py

@@ -117,7 +117,7 @@ def get_flags(self, library: HatchCppLibrary) -> str:
             flags += " " + " ".join(f"/LIBPATH:{lib}" for lib in library.library_dirs)
             flags += " " + " ".join(f"/D{macro}" for macro in library.define_macros)
             flags += " " + " ".join(f"/U{macro}" for macro in library.undef_macros)
-            flags += f" /Fo{library.name}.pyd"
+            flags += f" /Fe{library.name}.pyd"
         # clean
         while flags.count("  "):
             flags = flags.replace("  ", " ")

hatch_cpp/tests/test_project_basic.py

@@ -1,7 +1,8 @@
 from os import listdir
+from pathlib import Path
 from shutil import rmtree
 from subprocess import check_output
-from sys import platform
+from sys import path, platform
 
 
 class TestProject:
@@ -20,3 +21,8 @@ def test_basic(self):
             assert "extension.pyd" in listdir("hatch_cpp/tests/test_project_basic/basic_project")
         else:
             assert "extension.so" in listdir("hatch_cpp/tests/test_project_basic/basic_project")
+        here = Path(__file__).parent / "test_project_basic"
+        path.insert(0, str(here))
+        import basic_project.extension
+
+        assert basic_project.extension.hello() == "A string"