"""Pytest configuration and fixtures."""
import pytest
import os
import subprocess
import tempfile
@pytest.fixture(scope="session")
def gdb_available():
"""Check if GDB is available on the system."""
try:
result = subprocess.run(["gdb", "--version"],
capture_output=True, text=True, timeout=5)
return result.returncode == 0
except (FileNotFoundError, subprocess.TimeoutExpired):
return False
@pytest.fixture(scope="session")
def gcc_available():
"""Check if GCC is available on the system."""
try:
result = subprocess.run(["gcc", "--version"],
capture_output=True, text=True, timeout=5)
return result.returncode == 0
except (FileNotFoundError, subprocess.TimeoutExpired):
return False
@pytest.fixture
def test_program():
"""Create a temporary test program for debugging."""
test_code = """
#include <stdio.h>
#include <stdlib.h>
int factorial(int n) {
if (n <= 1) {
return 1;
}
return n * factorial(n - 1);
}
int main(int argc, char *argv[]) {
int number = 5;
int result;
printf("Calculating factorial of %d\\n", number);
result = factorial(number);
printf("Factorial of %d is %d\\n", number, result);
return 0;
}
"""
temp_dir = tempfile.mkdtemp()
source_file = os.path.join(temp_dir, "test_program.c")
binary_file = os.path.join(temp_dir, "test_program")
# Write source code
with open(source_file, 'w') as f:
f.write(test_code)
compiled = False
try:
subprocess.run([
"gcc", "-g", "-o", binary_file, source_file
], check=True, capture_output=True)
compiled = True
except (subprocess.CalledProcessError, FileNotFoundError):
pass
yield {
'temp_dir': temp_dir,
'source_file': source_file,
'binary_file': binary_file,
'compiled': compiled
}
# Cleanup
try:
if os.path.exists(source_file):
os.remove(source_file)
if os.path.exists(binary_file):
os.remove(binary_file)
os.rmdir(temp_dir)
except:
pass
def pytest_configure(config):
"""Configure pytest with custom markers."""
config.addinivalue_line(
"markers", "requires_gdb: mark test as requiring GDB to be installed"
)
config.addinivalue_line(
"markers", "requires_gcc: mark test as requiring GCC to be installed"
)
config.addinivalue_line(
"markers", "integration: mark test as integration test"
)
def pytest_collection_modifyitems(config, items):
"""Modify test collection to handle conditional skipping."""
# Check if GDB is available
try:
subprocess.run(["gdb", "--version"],
capture_output=True, timeout=5, check=True)
gdb_available = True
except:
gdb_available = False
# Check if GCC is available
try:
subprocess.run(["gcc", "--version"],
capture_output=True, timeout=5, check=True)
gcc_available = True
except:
gcc_available = False
# Skip tests based on availability
skip_gdb = pytest.mark.skip(reason="GDB not available")
skip_gcc = pytest.mark.skip(reason="GCC not available")
for item in items:
if "requires_gdb" in item.keywords and not gdb_available:
item.add_marker(skip_gdb)
if "requires_gcc" in item.keywords and not gcc_available:
item.add_marker(skip_gcc)
