test.py

#!/usr/bin/env python
import os
import re
import subprocess

# Config
enabled_tests = {}
ignored_tests = {"tests"}

# Generate tests
hpp_files = []
test_functions = []
files_with_tests = set()
test_case_declaration_pattern = re.compile(
    r"^(test|utest)\((?P<function_name>[A-Za-z_0-9][A-Za-z_0-9]*),\n$"
)

for root, _, files in os.walk("./test"):
    hpp_files.extend([os.path.join(root, f) for f in files if f.endswith(".hpp")])

for filepath in hpp_files:
    with open(filepath, "r", encoding="utf-8") as file:
        for line_num, line in enumerate(file, 1):
            match = test_case_declaration_pattern.match(line)
            if not match:
                continue

            function_name = match.group("function_name")
            if function_name not in ignored_tests and (
                len(enabled_tests) == 0 or function_name in enabled_tests
            ):
                test_functions.append(function_name)
                files_with_tests.add(filepath)

hpp_files = [x.split("/")[-1] for x in hpp_files if x in files_with_tests]
hpp_files.sort()
test_functions.sort()

includes = [f'#include "{file}"' for file in hpp_files]
test_main_call = f"test_main({', '.join(test_functions)})"
output = "\n".join(includes + [""] + [test_main_call])

with open("./test/main.cpp", "w", encoding="utf-8") as f:
    f.write(output)

# Compile tests
os.chdir("build")
subprocess.run(["cmake", ".."])
subprocess.run(["cmake", "--build", "."])

# Run tests
subprocess.run(["./test"])