Files
compiler-old/runner.py
T

119 lines
4.0 KiB
Python
Executable File

#!/usr/bin/env python3
import os
import sys
import subprocess
import tempfile
from pathlib import Path
def run_test(test_file: Path, compiler_bin: Path):
with open(test_file, "r", encoding="utf-8") as f:
lines = f.readlines()
expected_code = 0
code_lines = []
harness_lines = None
current_section = None
for line in lines:
trimmed = line.strip()
if trimmed.startswith("[") and trimmed.endswith("]"):
current_section = trimmed[1:-1]
if current_section == "harness":
harness_lines = []
elif current_section:
if current_section == "expected_return_code":
if trimmed:
expected_code = int(trimmed)
elif current_section == "code":
code_lines.append(line)
elif current_section == "harness":
harness_lines.append(line)
code = "".join(code_lines)
harness = "".join(harness_lines) if harness_lines is not None else None
with tempfile.TemporaryDirectory(prefix=f"compiler_test_{test_file.stem}_") as temp_dir_name:
temp_dir = Path(temp_dir_name)
code_path = temp_dir / "code.src"
obj_path = temp_dir / "code.o"
exec_path = temp_dir / "exec"
code_path.write_text(code, encoding="utf-8")
# 1. Invoke the custom compiler
comp_res = subprocess.run(
[str(compiler_bin), str(code_path), "-o", str(obj_path)],
capture_output=True,
text=True
)
if comp_res.returncode != 0:
out = comp_res.stdout.strip()
err = comp_res.stderr.strip()
error_msg = f"{out}\n{err}".strip() or "Compiler failed with no output"
raise Exception(error_msg)
# 2. Invoke GCC to link the object file (and compile harness if provided)
gcc_cmd = ["gcc", str(obj_path), "-o", str(exec_path)]
if harness is not None:
harness_path = temp_dir / "harness.c"
harness_path.write_text(harness, encoding="utf-8")
gcc_cmd.append(str(harness_path))
gcc_res = subprocess.run(gcc_cmd, capture_output=True, text=True)
if gcc_res.returncode != 0:
out = gcc_res.stdout.strip()
err = gcc_res.stderr.strip()
error_msg = f"{out}\n{err}".strip() or "GCC failed with no output"
raise Exception(error_msg)
# 3. Run the resulting executable
exec_res = subprocess.run([str(exec_path)], capture_output=True, text=True)
if exec_res.returncode != expected_code:
raise Exception(f"Expected return code {expected_code}, but got {exec_res.returncode}")
def main():
GREEN = '\033[92m'
RED = '\033[91m'
RESET = '\033[0m'
project_root = Path(__file__).resolve().parent
tests_dir = project_root / "tests"
compiler_bin = project_root / "target" / "debug" / "compiler"
# Automatically run cargo build to ensure the compiler is compiled and up to date
build_status = subprocess.run(["cargo", "build"], cwd=project_root)
if build_status.returncode != 0:
print("Failed to build the compiler binary.", file=sys.stderr)
sys.exit(1)
test_files = sorted(tests_dir.glob("*.test"))
all_passed = True
failed_tests = []
for test_file in test_files:
test_name = test_file.name
# Format the output to align results, padding with dots
msg = f"Running {test_name} "
print(f"{msg:.<50} ", end="", file=sys.stderr, flush=True)
try:
run_test(test_file, compiler_bin)
print(f"{GREEN}ok{RESET}", file=sys.stderr)
except Exception as e:
print(f"{RED}FAIL{RESET}", file=sys.stderr)
print(f" Reason: {e}", file=sys.stderr)
all_passed = False
failed_tests.append(test_name)
if not all_passed:
print(f"\nOne or more E2E tests failed: {failed_tests}", file=sys.stderr)
sys.exit(1)
if __name__ == "__main__":
main()