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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()")
if not os.path.isdir('/tmp'):
skip("Need '/tmp' for test")
pid = os.fork()
if pid == 0:
os.execv("/usr/bin/env", ["env", python, "-c",
("fid = open('/tmp/onefile0', 'w'); "
"fid.write('1'); "
"fid.close()")])
os.waitpid(pid, 0)
assert open("/tmp/onefile0").read() == "1"
os.unlink("/tmp/onefile0")
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()")
if not os.path.isdir('/tmp'):
skip("Need '/tmp' for test")
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 > /tmp/onefile1"])
os.waitpid(pid, 0)
with open("/tmp/onefile1") as fid:
assert fid.read() == output
os.unlink("/tmp/onefile1")
def test_execve():
if not hasattr(os, "fork"):
skip("Need fork() to test execve()")
if not os.path.isdir('/tmp'):
skip("Need '/tmp' for test")
pid = os.fork()
if pid == 0:
os.execve("/bin/sh",
["sh", "-c", "echo $ddd > /tmp/onefile2"],
{'ddd': 'xxx'},
)
os.waitpid(pid, 0)
assert open("/tmp/onefile2").read().rstrip() == "xxx"
os.unlink("/tmp/onefile2")
def test_execve_unicode():
if not hasattr(os, "fork"):
skip("Need fork() to test execve()")
if not os.path.isdir('/tmp'):
skip("Need '/tmp' for test")
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 > /tmp/onefile3"],
{'ddd': 'xxx'})
os.waitpid(pid, 0)
with open("/tmp/onefile3") as fid:
assert fid.read() == output
os.unlink("/tmp/onefile3")
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") and os.path.exists('/bin/sh'):
def test_spawnve():
env = {'FOOBAR': '42'}
cmd = "exit $FOOBAR"
ret = os.spawnve(os.P_WAIT, "/bin/sh", ["sh", '-c', cmd], env)
assert ret == 42
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