Merge pull request #28 from dreamer-coding/pr_test_group_extern_cpp

Pull request to allow test group to use extern cpp for mixed test runners

Author: dreamer-coding

code/logic/fossil/test/testing.h

@@ -362,8 +362,13 @@ void fossil_test_print_stack_trace(stack_frame_t *stack_trace);
  * 
  * @param name The name of the test group.
  */
+#ifdef __cplusplus
+#define _FOSSIL_TEST_GROUP(name) \
+    extern "C" void name##_test_group(fossil_test_env_t *_env)
+#else
 #define _FOSSIL_TEST_GROUP(name) \
     void name##_test_group(fossil_test_env_t *_env)
+#endif
 
 /**
  * @brief Macro to export a test group.

code/tests/meson.build

@@ -2,19 +2,14 @@ if get_option('with_test').enabled()
     run_command(['python3', 'tools' / 'generate-runner.py'], check: true)
 
     test_c   = ['unit_runner.c']
-    test_cpp = ['unit_runner.cpp']
-    test_cases = [
-        'sample', 'bdd', 'tdd', 'ddd', 'mark'
-    ]
+    test_cases = ['sample', 'bdd', 'tdd', 'ddd', 'mark']
 
     foreach cases : test_cases
         test_c += ['cases' / 'test_' + cases + '.c']
-        test_cpp += ['cases' / 'test_' + cases + '.cpp']
+        test_c += ['cases' / 'test_' + cases + '.cpp']
     endforeach
 
-    pizza_c   = executable('testbed-c',   test_c,   include_directories: dir, dependencies: [fossil_test_dep])
-    pizza_cpp = executable('testbed-cpp', test_cpp, include_directories: dir, dependencies: [fossil_test_dep])
+    pizza_c = executable('testbed-c', test_c, include_directories: dir, dependencies: [fossil_test_dep])
 
-    test('fossil testing C  ', pizza_c  )
-    test('fossil testing Cpp', pizza_cpp)
-endif
+    test('fossil testing C', pizza_c)
+endif

code/tests/tools/generate-runner.py

@@ -8,123 +8,70 @@ def __init__(self):
         self.directory = os.path.join(os.getcwd(), "cases")
 
     def find_test_groups(self):
-        c_test_groups = set()
-        cpp_test_groups = set()
+        test_groups = set()
         pattern = r"FOSSIL_TEST_GROUP\((\w+)\)"
 
         # Walk through files in the specified directory, 'cases'
         for root, _, files in os.walk(self.directory):
             for file in files:
-                # Search for C files
-                if file.startswith("test_") and file.endswith(".c"):
+                # Search for C and C++ files
+                if (file.startswith("test_") and file.endswith(".c")) or file.endswith(".cpp"):
                     with open(os.path.join(root, file), "r") as f:
                         content = f.read()
                         matches = re.findall(pattern, content)
-                        c_test_groups.update(matches)
-                # Search for C++ files
-                elif file.startswith("test_") and file.endswith(".cpp"):
-                    with open(os.path.join(root, file), "r") as f:
-                        content = f.read()
-                        matches = re.findall(pattern, content)
-                        cpp_test_groups.update(matches)
+                        test_groups.update(matches)
 
-        return list(c_test_groups), list(cpp_test_groups)
+        return list(test_groups)
 
-    def generate_c_runner(self, c_test_groups):
-        # Prepare header content for C test runner
+    def generate_c_runner(self, test_groups):
+        # Prepare header content for the test runner
         header = """
-// Generated Fossil Logic Test (C)
+// Generated Fossil Logic Test Runner
 #include <fossil/test/framework.h>
 
 // * * * * * * * * * * * * * * * * * * * * * * * *
-// * Fossil Logic Test List (C)
+// * Fossil Logic Test List
 // * * * * * * * * * * * * * * * * * * * * * * * *
 """
 
-        # Declare C test group externs within extern "C"
-        extern_c_pools = "\n".join(
-            [f"FOSSIL_TEST_EXPORT({group});" for group in c_test_groups]
+        # Declare test group externs
+        extern_test_groups = "\n".join(
+            [f"FOSSIL_TEST_EXPORT({group});" for group in test_groups]
         )
 
-        # Prepare runner content for C
+        # Prepare runner content
         runner = """\n
 // * * * * * * * * * * * * * * * * * * * * * * * *
-// * Fossil Logic Test Runner (C)
+// * Fossil Logic Test Runner
 // * * * * * * * * * * * * * * * * * * * * * * * *
 int main(int argc, char **argv) {
     FOSSIL_TEST_START(argc, argv);\n"""
 
-        # Import C test groups in the main function
-        import_c_pools = "\n".join(
-            [f"    FOSSIL_TEST_IMPORT({group});" for group in c_test_groups]
+        # Import test groups in the main function
+        import_test_groups = "\n".join(
+            [f"    FOSSIL_TEST_IMPORT({group});" for group in test_groups]
         )
 
         # Complete with footer
         footer = """\n
     FOSSIL_TEST_RUN();
     FOSSIL_TEST_SUMMARY();
     FOSSIL_TEST_END();
-} // end of func
+} // end of main
 """
 
-        # Write the generated C test runner to 'unit_runner_c.cpp'
+        # Write the generated test runner to 'unit_runner.c'
         with open("unit_runner.c", "w") as file:
             file.write(header)
-            file.write(extern_c_pools)
-            file.write(runner)
-            file.write(import_c_pools)
-            file.write(footer)
-
-    def generate_cpp_runner(self, cpp_test_groups):
-        # Prepare header content for C++ test runner
-        header = """
-// Generated Fossil Logic Test (C++)
-#include <fossil/test/framework.h>
-
-// * * * * * * * * * * * * * * * * * * * * * * * *
-// * Fossil Logic Test List (C++)
-// * * * * * * * * * * * * * * * * * * * * * * * *
-"""
-
-        # Declare C++ test group externs
-        extern_cpp_pools = "\n".join(
-            [f"FOSSIL_TEST_EXPORT({group});" for group in cpp_test_groups]
-        )
-
-        # Prepare runner content for C++
-        runner = """\n
-// * * * * * * * * * * * * * * * * * * * * * * * *
-// * Fossil Logic Test Runner (C++)
-// * * * * * * * * * * * * * * * * * * * * * * * *
-int main(int argc, char **argv) {
-    FOSSIL_TEST_START(argc, argv);\n"""
-
-        # Import C++ test groups in the main function
-        import_cpp_pools = "\n".join(
-            [f"    FOSSIL_TEST_IMPORT({group});" for group in cpp_test_groups]
-        )
-
-        # Complete with footer
-        footer = """\n
-    FOSSIL_TEST_RUN();
-    FOSSIL_TEST_SUMMARY();
-    FOSSIL_TEST_END();
-} // end of func
-"""
-
-        # Write the generated C++ test runner to 'unit_runner_cpp.cpp'
-        with open("unit_runner.cpp", "w") as file:
-            file.write(header)
-            file.write(extern_cpp_pools)
+            file.write(extern_test_groups)
             file.write(runner)
-            file.write(import_cpp_pools)
+            file.write(import_test_groups)
             file.write(footer)
 
 
-# Instantiate the generator, find test groups, and generate the test runners
+# Instantiate the generator, find test groups, and generate the test runner
 generator = TestRunnerGenerator()
-c_test_groups, cpp_test_groups = generator.find_test_groups()
+test_groups = generator.find_test_groups()
 
-# Generate separate runners for C and C++
-generator.generate_c_runner(c_test_groups)
-generator.generate_cpp_runner(cpp_test_groups)
+# Generate the test runner for C and C++ tests
+generator.generate_c_runner(test_groups)