src/intel/tools/tests/run-test.py

   1 #!/usr/bin/env python3
   2
   3 import argparse
   4 import difflib
   5 import errno
   6 import os
   7 import pathlib
   8 import subprocess
   9 import sys
  10 import tempfile
  11
  12 # The meson version handles windows paths better, but if it's not available
  13 # fall back to shlex
  14 try:
  15     from meson.mesonlib import split_args
  16 except ImportError:
  17     from shlex import split as split_args
  18
  19 parser = argparse.ArgumentParser()
  20 parser.add_argument('--i965_asm',
  21                     help='path to i965_asm binary')
  22 parser.add_argument('--gen_name',
  23                     help='name of the hardware generation (as understood by i965_asm)')
  24 parser.add_argument('--gen_folder',
  25                     type=pathlib.Path,
  26                     help='name of the folder for the generation')
  27 args = parser.parse_args()
  28
  29 wrapper = os.environ.get('MESON_EXE_WRAPPER')
  30 if wrapper is not None:
  31     i965_asm = split_args(wrapper) + [args.i965_asm]
  32 else:
  33     i965_asm = [args.i965_asm]
  34
  35 success = True
  36
  37 for asm_file in args.gen_folder.glob('*.asm'):
  38     expected_file = asm_file.stem + '.expected'
  39     expected_path = args.gen_folder / expected_file
  40     out_path = tempfile.NamedTemporaryFile()
  41
  42     try:
  43         command = i965_asm + [
  44             '--type', 'hex',
  45             '--gen', args.gen_name,
  46             '--output', out_path.name,
  47             asm_file
  48         ]
  49         subprocess.run(command,
  50                        stdout=subprocess.DEVNULL,
  51                        stderr=subprocess.STDOUT)
  52     except OSError as e:
  53         if e.errno == errno.ENOEXEC:
  54             print('Skipping due to inability to run host binaries.',
  55                   file=sys.stderr)
  56             exit(77)
  57         raise
  58
  59     with expected_path.open() as f:
  60         lines_before = f.readlines()
  61     lines_after = [line.decode('ascii') for line in out_path]
  62
  63     diff = ''.join(difflib.unified_diff(lines_before, lines_after,
  64                                         expected_file, asm_file.stem + '.out'))
  65
  66     if diff:
  67         print('Output comparison for {}:'.format(asm_file.name))
  68         print(diff)
  69         success = False
  70     else:
  71         print('{} : PASS'.format(asm_file.name))
  72
  73 if not success:
  74     exit(1)