def test_working_dir():
working_dir = sys.exec_prefix.strip(os.pathsep)
p = Process(sys.executable, ['-c', '''import os; print(os.getcwd())'''],
working_dir=working_dir)
p.start()
p.wait()
assert p.read().decode('ascii').strip() == working_dir
def test_environment():
p = Process(sys.executable, ['-c', PRINT_VAR.format(var='MY_VAR')],
env={'MY_VAR': 'My value'})
p.start()
p.wait()
assert p.exit_code == 0
assert re.match('^My value\s*$', p.read().decode('ascii'))
assert re.match('^$', p.eread().decode('ascii'))
def test_stderr(tmpdir):
stderr = tmpdir.mkdir('__tests__').join('std.err')
p = Process(sys.executable, ['-c', WRITER.format(out='stderr')],
stderr=stderr.strpath)
p.start()
p.wait()
assert p.eread() == b'foobar'
assert stderr.open('rb').read() == b'foobar'
def test_write():
p = Process(sys.executable, [
'-c', '''a = {}(); print('Said: ' + a)'''.format(
'raw_input' if six.PY2 else 'input')
])
p.start()
p.write(b'my hello text')
p.wait()
assert re.match('^Said: my hello text\s*$', p.read().decode('ascii'))
assert re.match('^$', p.eread().decode('ascii'))
def test_eread():
p = Process(sys.executable, ['-c', WRITER.format(out='stderr')])
p.start()
if platform.is_a(platform.DOTNET):
# TODO: .NET does not flush the outputs
p.wait()
assert p.read() == b''
assert p.eread() == b'foobar'
else:
time.sleep(1)
assert p.read() == b''
assert p.eread() == b'foo'
p.wait()
assert p.read() == b''
assert p.eread() == b'bar'
def process():
return Process('sleep', ['2'])
