mirror of
https://github.com/denoland/deno.git
synced 2024-12-22 15:24:46 -05:00
d4f72e18be
Checks the output more carefully. The first line of output from js/unit_tests.ts should be something like "running 96 tests" And the last line should be something like "test result: ok. 96 passed; 0 failed; 0 ignored; 0 measured; 36 filtered out" This parses those strings and make sure they align. This will catch silent death bugs.
326 lines
10 KiB
Python
326 lines
10 KiB
Python
# Copyright 2018 the Deno authors. All rights reserved. MIT license.
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import os
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import re
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import shutil
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import stat
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import sys
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import subprocess
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executable_suffix = ".exe" if os.name == "nt" else ""
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root_path = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
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def make_env(merge_env={}, env=None):
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if env is None:
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env = os.environ
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env = env.copy()
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for key in merge_env.keys():
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env[key] = merge_env[key]
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return env
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def run(args, quiet=False, cwd=None, env=None, merge_env={}):
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args[0] = os.path.normpath(args[0])
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if not quiet:
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print " ".join(args)
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env = make_env(env=env, merge_env=merge_env)
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shell = os.name == "nt" # Run through shell to make .bat/.cmd files work.
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rc = subprocess.call(args, cwd=cwd, env=env, shell=shell)
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if rc != 0:
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sys.exit(rc)
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def run_output(args, quiet=False, cwd=None, env=None, merge_env={}):
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args[0] = os.path.normpath(args[0])
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if not quiet:
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print " ".join(args)
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env = make_env(env=env, merge_env=merge_env)
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shell = os.name == "nt" # Run through shell to make .bat/.cmd files work.
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return subprocess.check_output(args, cwd=cwd, env=env, shell=shell)
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def shell_quote_win(arg):
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if re.search(r'[\x00-\x20"^%~!@&?*<>|()=]', arg):
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# Double all " quote characters.
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arg = arg.replace('"', '""')
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# Wrap the entire string in " quotes.
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arg = '"' + arg + '"'
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# Double any N backslashes that are immediately followed by a " quote.
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arg = re.sub(r'(\\+)(?=")', r'\1\1', arg)
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return arg
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def shell_quote(arg):
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if os.name == "nt":
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return shell_quote_win(arg)
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else:
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# Python 2 has posix shell quoting built in, albeit in a weird place.
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from pipes import quote
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return quote(arg)
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def remove_and_symlink(target, name, target_is_dir=False):
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try:
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# On Windows, directory symlink can only be removed with rmdir().
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if os.name == "nt" and os.path.isdir(name):
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os.rmdir(name)
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else:
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os.unlink(name)
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except:
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pass
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symlink(target, name, target_is_dir)
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def symlink(target, name, target_is_dir=False):
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if os.name == "nt":
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from ctypes import WinDLL, WinError, GetLastError
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from ctypes.wintypes import BOOLEAN, DWORD, LPCWSTR
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kernel32 = WinDLL('kernel32', use_last_error=False)
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CreateSymbolicLinkW = kernel32.CreateSymbolicLinkW
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CreateSymbolicLinkW.restype = BOOLEAN
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CreateSymbolicLinkW.argtypes = (LPCWSTR, LPCWSTR, DWORD)
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# File-type symlinks can only use backslashes as separators.
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target = os.path.normpath(target)
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# If the symlink points at a directory, it needs to have the appropriate
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# flag set, otherwise the link will be created but it won't work.
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if target_is_dir:
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type_flag = 0x01 # SYMBOLIC_LINK_FLAG_DIRECTORY
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else:
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type_flag = 0
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# Before Windows 10, creating symlinks requires admin privileges.
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# As of Win 10, there is a flag that allows anyone to create them.
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# Initially, try to use this flag.
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unpriv_flag = 0x02 # SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE
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r = CreateSymbolicLinkW(name, target, type_flag | unpriv_flag)
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# If it failed with ERROR_INVALID_PARAMETER, try again without the
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# 'allow unprivileged create' flag.
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if not r and GetLastError() == 87: # ERROR_INVALID_PARAMETER
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r = CreateSymbolicLinkW(name, target, type_flag)
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# Throw if unsuccessful even after the second attempt.
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if not r:
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raise WinError()
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else:
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os.symlink(target, name)
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def touch(fname):
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if os.path.exists(fname):
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os.utime(fname, None)
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else:
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open(fname, 'a').close()
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# Recursive search for files of certain extensions.
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# (Recursive glob doesn't exist in python 2.7.)
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def find_exts(directory, *extensions):
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matches = []
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for root, dirnames, filenames in os.walk(directory):
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for filename in filenames:
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for ext in extensions:
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if filename.endswith(ext):
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matches.append(os.path.join(root, filename))
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break
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return matches
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# The Python equivalent of `rm -rf`.
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def rmtree(directory):
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# On Windows, shutil.rmtree() won't delete files that have a readonly bit.
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# Git creates some files that do. The 'onerror' callback deals with those.
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def rm_readonly(func, path, _):
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os.chmod(path, stat.S_IWRITE)
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func(path)
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shutil.rmtree(directory, onerror=rm_readonly)
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def build_mode(default="debug"):
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if "DENO_BUILD_MODE" in os.environ:
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return os.environ["DENO_BUILD_MODE"]
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else:
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return default
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# E.G. "out/debug"
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def build_path():
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if "DENO_BUILD_PATH" in os.environ:
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return os.environ["DENO_BUILD_PATH"]
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else:
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return os.path.join(root_path, "out", build_mode())
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# Returns True if the expected matches the actual output, allowing variation
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# from actual where expected has the wildcard (e.g. matches /.*/)
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def pattern_match(pattern, string, wildcard="[WILDCARD]"):
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if len(pattern) == 0:
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return string == 0
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if pattern == wildcard:
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return True
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parts = str.split(pattern, wildcard)
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if len(parts) == 1:
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return pattern == string
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if string.startswith(parts[0]):
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string = string[len(parts[0]):]
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else:
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return False
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for i in range(1, len(parts)):
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if i == (len(parts) - 1):
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if parts[i] == "" or parts[i] == "\n":
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return True
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found = string.find(parts[i])
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if found < 0:
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return False
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string = string[(found + len(parts[i])):]
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return len(string) == 0
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def parse_exit_code(s):
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codes = [int(d or 1) for d in re.findall(r'error(\d*)', s)]
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if len(codes) > 1:
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assert False, "doesn't support multiple error codes."
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elif len(codes) == 1:
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return codes[0]
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else:
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return 0
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# Attempts to enable ANSI escape code support.
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# Returns True if successful, False if not supported.
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def enable_ansi_colors():
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if os.name != 'nt':
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return True # On non-windows platforms this just works.
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elif "CI" in os.environ:
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return True # Ansi escape codes work out of the box on Appveyor.
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return enable_ansi_colors_win10()
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# The windows 10 implementation of enable_ansi_colors.
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def enable_ansi_colors_win10():
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import ctypes
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# Function factory for errcheck callbacks that raise WinError on failure.
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def raise_if(error_result):
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def check(result, func, args):
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if result == error_result:
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raise ctypes.WinError(ctypes.get_last_error())
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return args
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return check
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# Windows API types.
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from ctypes.wintypes import BOOL, DWORD, HANDLE, LPCWSTR, LPVOID
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LPDWORD = ctypes.POINTER(DWORD)
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# Generic constants.
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NULL = ctypes.c_void_p(0).value
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INVALID_HANDLE_VALUE = ctypes.c_void_p(-1).value
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ERROR_INVALID_PARAMETER = 87
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# CreateFile flags.
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# yapf: disable
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GENERIC_READ = 0x80000000
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GENERIC_WRITE = 0x40000000
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FILE_SHARE_READ = 0x01
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FILE_SHARE_WRITE = 0x02
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OPEN_EXISTING = 3
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# yapf: enable
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# Get/SetConsoleMode flags.
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ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x04
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kernel32 = ctypes.WinDLL('kernel32', use_last_error=True)
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# HANDLE CreateFileW(...)
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CreateFileW = kernel32.CreateFileW
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CreateFileW.restype = HANDLE
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CreateFileW.errcheck = raise_if(INVALID_HANDLE_VALUE)
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# yapf: disable
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CreateFileW.argtypes = (LPCWSTR, # lpFileName
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DWORD, # dwDesiredAccess
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DWORD, # dwShareMode
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LPVOID, # lpSecurityAttributes
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DWORD, # dwCreationDisposition
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DWORD, # dwFlagsAndAttributes
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HANDLE) # hTemplateFile
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# yapf: enable
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# BOOL CloseHandle(HANDLE hObject)
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CloseHandle = kernel32.CloseHandle
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CloseHandle.restype = BOOL
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CloseHandle.errcheck = raise_if(False)
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CloseHandle.argtypes = (HANDLE, )
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# BOOL GetConsoleMode(HANDLE hConsoleHandle, LPDWORD lpMode)
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GetConsoleMode = kernel32.GetConsoleMode
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GetConsoleMode.restype = BOOL
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GetConsoleMode.errcheck = raise_if(False)
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GetConsoleMode.argtypes = (HANDLE, LPDWORD)
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# BOOL SetConsoleMode(HANDLE hConsoleHandle, DWORD dwMode)
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SetConsoleMode = kernel32.SetConsoleMode
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SetConsoleMode.restype = BOOL
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SetConsoleMode.errcheck = raise_if(False)
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SetConsoleMode.argtypes = (HANDLE, DWORD)
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# Open the console output device.
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conout = CreateFileW("CONOUT$", GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
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OPEN_EXISTING, 0, 0)
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# Get the current mode.
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mode = DWORD()
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GetConsoleMode(conout, ctypes.byref(mode))
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# Try to set the flag that controls ANSI escape code support.
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try:
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SetConsoleMode(conout, mode.value | ENABLE_VIRTUAL_TERMINAL_PROCESSING)
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except WindowsError as e:
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if e.winerror == ERROR_INVALID_PARAMETER:
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return False # Not supported, likely an older version of Windows.
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raise
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finally:
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CloseHandle(conout)
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return True
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def parse_unit_test_output(output, print_to_stdout):
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first = True
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expected = None
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actual = None
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result = None
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for line in iter(output.readline, ''):
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if expected is None:
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# expect "running 30 tests"
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expected = extract_number(r'running (\d+) tests', line)
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elif "test result:" in line:
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result = line
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if print_to_stdout:
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sys.stdout.write(line)
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sys.stdout.flush()
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# Check that the number of expected tests equals what was reported at the
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# bottom.
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if result:
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# result should be a string like this:
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# "test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; ..."
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actual = extract_number(r'(\d+) passed', result)
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return (actual, expected)
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def extract_number(pattern, string):
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matches = re.findall(pattern, string)
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if len(matches) != 1:
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return None
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return int(matches[0])
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