Skip to content
Open
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 7 additions & 2 deletions chaotic/golden_tests/CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -19,9 +19,14 @@ userver_target_generate_chaotic(
RELATIVE_TO "${CMAKE_CURRENT_SOURCE_DIR}"
)

add_test(NAME chaotic-golden COMMAND # Diff returns 0 if files are the same, 1 if they differ
diff -uNrpB "${CMAKE_CURRENT_SOURCE_DIR}/output" "${CMAKE_CURRENT_BINARY_DIR}/src"
add_test(
NAME chaotic-golden
COMMAND "${USERVER_CHAOTIC_PYTEST_PYTHON_BINARY}"
"${CMAKE_CURRENT_SOURCE_DIR}/scripts/compare.py"
--golden-dir "${CMAKE_CURRENT_SOURCE_DIR}/output"
--generated-dir "${CMAKE_CURRENT_BINARY_DIR}/src"
)

add_custom_target(
update-golden-tests
DEPENDS ${PROJECT_NAME}-chgen
Expand Down
59 changes: 59 additions & 0 deletions chaotic/golden_tests/scripts/compare.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,59 @@
import argparse
import os
import shutil
import subprocess
import sys
import tempfile


def check_binary_available(binary_name):
try: # Pass version arg to expect any "wait for input" situations
subprocess.run([binary_name, '--version'], capture_output=True, check=True)
return True
except (subprocess.CalledProcessError, FileNotFoundError):
return False


def main():
parser = argparse.ArgumentParser(description='Compare formatted source files.')
parser.add_argument('--golden-dir', required=True, help='Golden directory (e.g., ${CMAKE_CURRENT_SOURCE_DIR}/output)')
parser.add_argument('--generated-dir', required=True, help='Generated directory (e.g., ${CMAKE_CURRENT_BINARY_DIR}/src)')
args = parser.parse_args()

if not check_binary_available('clang-format'):
print("Error: clang-format is not available in PATH", file=sys.stderr)
sys.exit(1)

if not check_binary_available('diff'):
print("Error: diff is not available in PATH", file=sys.stderr)
sys.exit(1)

# Create temporary directory in /tmp/
with tempfile.TemporaryDirectory() as tmpdir:
golden_copy = os.path.join(tmpdir, 'golden')
generated_copy = os.path.join(tmpdir, 'generated')
shutil.copytree(args.golden_dir, golden_copy)
shutil.copytree(args.generated_dir, generated_copy)

extensions = ('.hpp', '.cpp', '.ipp')
for root, _, files in os.walk(tmpdir):
for file in files:
if file.lower().endswith(extensions):
file_path = os.path.join(root, file)
subprocess.run(['clang-format', '-i', file_path], check=True)

result = subprocess.run([
'diff', '-uNrpB',
golden_copy,
generated_copy
], capture_output=True, text=True)

if result.returncode != 0:
print(result.stdout)
print(result.stderr, file=sys.stderr)

sys.exit(result.returncode) # Diff returns 0 if files are the same, 1 if they differ


if __name__ == '__main__':
main()
Loading