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import os
import sys
from pytest import raises, skip
python = sys.executable
if hasattr(os, "execv"):
def test_execv():
if not hasattr(os, "fork"):
skip("Need fork() to test execv()")
pid = os.fork()
if pid == 0:
os.execv("/usr/bin/env", ["env", python, "-c",
("fid = open('onefile', 'w'); "
"fid.write('1'); "
"fid.close()")])
os.waitpid(pid, 0)
assert open("onefile").read() == "1"
os.unlink("onefile")
def test_execv_raising():
with raises(OSError):
os.execv("saddsadsadsadsa", ["saddsadsasaddsa"])
def test_execv_no_args():
with raises(ValueError):
os.execv("notepad", [])
# PyPy needs at least one arg, CPython 2.7 is fine without
with raises(ValueError):
os.execve("notepad", [], {})
def test_execv_raising2():
for n in 3, [3, "a"]:
with raises(TypeError):
os.execv("xxx", n)
def test_execv_unicode():
if not hasattr(os, "fork"):
skip("Need fork() to test execv()")
try:
output = u"caf\xe9 \u1234\n".encode(sys.getfilesystemencoding())
except UnicodeEncodeError:
skip("encoding not good enough")
pid = os.fork()
if pid == 0:
os.execv(u"/bin/sh", ["sh", "-c",
u"echo caf\xe9 \u1234 > onefile"])
os.waitpid(pid, 0)
with open("onefile") as fid:
assert fid.read() == output
os.unlink("onefile")
def test_execve():
if not hasattr(os, "fork"):
skip("Need fork() to test execve()")
pid = os.fork()
if pid == 0:
os.execve("/usr/bin/env", ["env", python, "-c",
("import os; fid = open('onefile', 'w'); "
"fid.write(os.environ['ddd']); "
"fid.close()")],
{'ddd': 'xxx'})
os.waitpid(pid, 0)
assert open("onefile").read() == "xxx"
os.unlink("onefile")
def test_execve_unicode():
if not hasattr(os, "fork"):
skip("Need fork() to test execve()")
try:
output = u"caf\xe9 \u1234\n".encode(sys.getfilesystemencoding())
except UnicodeEncodeError:
skip("encoding not good enough")
pid = os.fork()
if pid == 0:
os.execve(u"/bin/sh", ["sh", "-c",
u"echo caf\xe9 \u1234 > onefile"],
{'ddd': 'xxx'})
os.waitpid(pid, 0)
with open("onefile") as fid:
assert fid.read() == output
os.unlink("onefile")
pass # <- please, inspect.getsource(), don't crash
if hasattr(os, "spawnv"):
def test_spawnv():
ret = os.spawnv(os.P_WAIT, python,
[python, '-c', 'raise(SystemExit(42))'])
assert ret == 42
if hasattr(os, "spawnve"):
def test_spawnve():
env = {'PATH': os.environ['PATH'], 'FOOBAR': '42'}
cmd = "raise(SystemExit(int(__import__('os').environ['FOOBAR'])))"
ret = os.spawnve(os.P_WAIT, python, [python, '-c', cmd], env)
assert ret == 42
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