def test_safe_pipe_wait(self):
command = pipe(['gzip'], ['zcat'])
with self.assertDoesNotHang():
out, _ = command.wait() # No deadlock
assert out.decode() == ''
def test_safe_pipe_wait(self):
command = pipe(['gzip'], ['zcat'])
with self.assertDoesNotHang():
out, _ = command.wait() # No deadlock
assert out.decode() == ''
def test_failing_pipe_command(self):
with self.assertRaises(subprocess.CalledProcessError):
pipe(['true'], ['false'], ['true']).wait()
def test_safe_pipe_stdout_read(self):
command = pipe(['gzip'], ['zcat'])
with self.assertDoesNotHang():
assert command.stdout.read().decode() == '' # No deadlock
def test_pass_subprocess_to_pipe(self):
proc = pipe(['printf', 'hello'], ['gzip'], run('zcat'))
assert proc.stdout.read().decode() == 'hello'
def test_environement_on_pipe(self):
proc = pipe(['env'], ['egrep', '^FOO='], env={'FOO': 'BAR'})
assert proc.stdout.read().decode() == 'FOO=BAR\n'
def test_failing_pipe_command(self):
with self.assertRaises(subprocess.CalledProcessError):
pipe(['true'], ['false'], ['true']).wait()
def test_safe_pipe_stdout_read(self):
command = pipe(['gzip'], ['zcat'])
with self.assertDoesNotHang():
assert command.stdout.read().decode() == '' # No deadlock
def test_pass_subprocess_to_pipe(self):
proc = pipe(['printf', 'hello'], ['gzip'], run('zcat'))
assert proc.stdout.read().decode() == 'hello'
def test_environement_on_pipe(self):
proc = pipe(['env'], ['egrep', '^FOO='], env={'FOO': 'BAR'})
assert proc.stdout.read().decode() == 'FOO=BAR\n'
