Tests: Convert test headers to compilation files

• Excludes module tests, as they'd be a more involved process

tests/test_builders.py

@@ -0,0 +1,38 @@
+"""Functions used to generate source files during build time"""
+
+import re
+
+import methods
+
+RE_PATH_SPLIT = re.compile(r"[^/\\]+?(?=\.)")
+
+TEMPLATE = """\
+#ifndef _WIN32
+#define TEST_DLL_PRIVATE __attribute__((visibility("hidden")))
+#else
+#define TEST_DLL_PRIVATE
+#endif // _WIN32
+
+namespace ForceLink {{
+	TEST_DLL_PRIVATE void force_link_tests();
+	{TESTS_DECLARE}
+}} // namespace ForceLink
+
+void ForceLink::force_link_tests() {{
+	{TESTS_CALL}
+}}
+"""
+
+
+def force_link_builder(target, source, env):
+    names = [RE_PATH_SPLIT.search(str(path)).group() for path in source[0].read()]
+    declares = [f"TEST_DLL_PRIVATE void force_link_{name}();" for name in names]
+    calls = [f"force_link_{name}();" for name in names]
+
+    with methods.generated_wrapper(str(target[0])) as file:
+        file.write(
+            TEMPLATE.format(
+                TESTS_DECLARE="\n\t".join(declares),
+                TESTS_CALL="\n\t".join(calls),
+            )
+        )