mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-11-26 23:00:36 +00:00
634 lines
21 KiB
Python
634 lines
21 KiB
Python
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import subprocess
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from subprocess import PIPE, STDOUT
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from unittest import TestCase
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from testfixtures.mock import call
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from testfixtures import ShouldRaise, compare, Replacer
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from testfixtures.popen import MockPopen, PopenBehaviour
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from testfixtures.compat import BytesLiteral, PY2
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import signal
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class Tests(TestCase):
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def test_command_min_args(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command')
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# usage
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process = Popen('a command', stdout=PIPE, stderr=PIPE)
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# process started, no return code
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compare(process.pid, 1234)
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compare(None, process.returncode)
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out, err = process.communicate()
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# test the rest
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compare(out, b'')
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compare(err, b'')
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compare(process.returncode, 0)
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# test call list
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compare([
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call.Popen('a command', stderr=-1, stdout=-1),
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call.Popen_instance.communicate(),
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], Popen.mock.method_calls)
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def test_command_max_args(self):
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Popen = MockPopen()
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Popen.set_command('a command', b'out', b'err', 1, 345)
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process = Popen('a command', stdout=PIPE, stderr=PIPE)
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compare(process.pid, 345)
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compare(None, process.returncode)
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out, err = process.communicate()
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# test the rest
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compare(out, b'out')
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compare(err, b'err')
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compare(process.returncode, 1)
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# test call list
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compare([
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call.Popen('a command', stderr=-1, stdout=-1),
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call.Popen_instance.communicate(),
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], Popen.mock.method_calls)
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def test_callable_default_behaviour(self):
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def some_callable(command, stdin):
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return PopenBehaviour(BytesLiteral(command), BytesLiteral(stdin), 1, 345, 0)
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Popen = MockPopen()
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Popen.set_default(behaviour=some_callable)
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process = Popen('a command', stdin='some stdin', stdout=PIPE, stderr=PIPE)
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compare(process.pid, 345)
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out, err = process.communicate()
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compare(out, b'a command')
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compare(err, b'some stdin')
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compare(process.returncode, 1)
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def test_command_is_sequence(self):
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Popen = MockPopen()
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Popen.set_command('a command')
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process = Popen(['a', 'command'], stdout=PIPE, stderr=PIPE)
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compare(process.wait(), 0)
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compare([
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call.Popen(['a', 'command'], stderr=-1, stdout=-1),
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call.Popen_instance.wait(),
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], Popen.mock.method_calls)
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def test_communicate_with_input(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command')
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# usage
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process = Popen('a command', stdout=PIPE, stderr=PIPE, shell=True)
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out, err = process.communicate('foo')
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# test call list
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compare([
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call.Popen('a command', shell=True, stderr=-1, stdout=-1),
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call.Popen_instance.communicate('foo'),
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], Popen.mock.method_calls)
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def test_communicate_with_timeout(self):
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Popen = MockPopen()
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Popen.set_command('a command', returncode=3)
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process = Popen('a command')
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if PY2:
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with ShouldRaise(TypeError):
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process.communicate(timeout=1)
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with ShouldRaise(TypeError):
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process.communicate('foo', 1)
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else:
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process.communicate(timeout=1)
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process.communicate('foo', 1)
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compare([
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call.Popen('a command'),
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call.Popen_instance.communicate(timeout=1),
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call.Popen_instance.communicate('foo', 1),
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], expected=Popen.mock.method_calls)
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def test_read_from_stdout(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command', stdout=b'foo')
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# usage
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process = Popen('a command', stdout=PIPE, stderr=PIPE, shell=True)
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self.assertTrue(isinstance(process.stdout.fileno(), int))
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compare(process.stdout.read(), b'foo')
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# test call list
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compare([
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call.Popen('a command', shell=True, stderr=-1, stdout=-1),
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], Popen.mock.method_calls)
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def test_read_from_stderr(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command', stderr=b'foo')
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# usage
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process = Popen('a command', stdout=PIPE, stderr=PIPE, shell=True)
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self.assertTrue(isinstance(process.stdout.fileno(), int))
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compare(process.stderr.read(), b'foo')
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# test call list
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compare([
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call.Popen('a command', shell=True, stderr=-1, stdout=-1),
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], Popen.mock.method_calls)
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def test_read_from_stdout_with_stderr_redirected_check_stdout_contents(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command', stdout=b'foo', stderr=b'bar')
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# usage
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process = Popen('a command', stdout=PIPE, stderr=STDOUT, shell=True)
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# test stdout contents
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compare(b'foobar', process.stdout.read())
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compare(process.stderr, None)
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def test_read_from_stdout_with_stderr_redirected_check_stdout_stderr_interleaved(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command', stdout=b'o1\no2\no3\no4\n', stderr=b'e1\ne2\n')
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# usage
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process = Popen('a command', stdout=PIPE, stderr=STDOUT, shell=True)
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self.assertTrue(isinstance(process.stdout.fileno(), int))
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# test stdout contents
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compare(b'o1\ne1\no2\ne2\no3\no4\n', process.stdout.read())
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def test_communicate_with_stderr_redirected_check_stderr_is_none(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command', stdout=b'foo', stderr=b'bar')
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# usage
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process = Popen('a command', stdout=PIPE, stderr=STDOUT, shell=True)
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out, err = process.communicate()
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# test stderr is None
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compare(out, b'foobar')
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compare(err, None)
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def test_read_from_stdout_and_stderr(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command', stdout=b'foo', stderr=b'bar')
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# usage
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process = Popen('a command', stdout=PIPE, stderr=PIPE, shell=True)
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compare(process.stdout.read(), b'foo')
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compare(process.stderr.read(), b'bar')
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# test call list
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compare([
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call.Popen('a command', shell=True, stderr=PIPE, stdout=PIPE),
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], Popen.mock.method_calls)
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def test_write_to_stdin(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command')
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# usage
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process = Popen('a command', stdin=PIPE, shell=True)
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process.stdin.write('some text')
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# test call list
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compare(Popen.mock.method_calls, expected=[
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call.Popen('a command', shell=True, stdin=PIPE),
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call.Popen_instance.stdin.write('some text'),
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])
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compare(Popen.all_calls, expected=[
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call.Popen('a command', shell=True, stdin=PIPE),
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call.Popen('a command', shell=True, stdin=PIPE).stdin.write('some text'),
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])
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compare(process.mock.method_calls, expected=[
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call.stdin.write('some text'),
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])
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compare(process.calls, expected=[
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call.stdin.write('some text'),
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])
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repr(call.stdin.write('some text'))
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def test_wait_and_return_code(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command', returncode=3)
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# usage
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process = Popen('a command')
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compare(process.returncode, None)
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# result checking
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compare(process.wait(), 3)
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compare(process.returncode, 3)
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# test call list
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compare([
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call.Popen('a command'),
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call.Popen_instance.wait(),
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], Popen.mock.method_calls)
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def test_wait_timeout(self):
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Popen = MockPopen()
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Popen.set_command('a command', returncode=3)
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process = Popen('a command')
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if PY2:
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with ShouldRaise(TypeError):
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process.wait(timeout=1)
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with ShouldRaise(TypeError):
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process.wait(1)
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else:
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process.wait(timeout=1)
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process.wait(1)
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compare([
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call.Popen('a command'),
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call.Popen_instance.wait(timeout=1),
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call.Popen_instance.wait(1)
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], expected=Popen.mock.method_calls)
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def test_multiple_uses(self):
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Popen = MockPopen()
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Popen.set_command('a command', b'a')
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Popen.set_command('b command', b'b')
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process = Popen('a command', stdout=PIPE, stderr=PIPE, shell=True)
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out, err = process.communicate('foo')
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compare(out, b'a')
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process = Popen(['b', 'command'], stdout=PIPE, stderr=PIPE, shell=True)
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out, err = process.communicate('foo')
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compare(out, b'b')
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compare([
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call.Popen('a command', shell=True, stderr=-1, stdout=-1),
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call.Popen_instance.communicate('foo'),
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call.Popen(['b', 'command'], shell=True, stderr=-1, stdout=-1),
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call.Popen_instance.communicate('foo'),
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], Popen.mock.method_calls)
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def test_send_signal(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command')
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# usage
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process = Popen('a command', stdout=PIPE, stderr=PIPE, shell=True)
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process.send_signal(0)
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# result checking
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compare([
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call.Popen('a command', shell=True, stderr=-1, stdout=-1),
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call.Popen_instance.send_signal(0),
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], Popen.mock.method_calls)
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def test_terminate(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command')
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# usage
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process = Popen('a command', stdout=PIPE, stderr=PIPE, shell=True)
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process.terminate()
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# result checking
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compare([
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call.Popen('a command', shell=True, stderr=-1, stdout=-1),
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call.Popen_instance.terminate(),
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], Popen.mock.method_calls)
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def test_kill(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command')
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# usage
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process = Popen('a command', stdout=PIPE, stderr=PIPE, shell=True)
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process.kill()
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# result checking
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compare([
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call.Popen('a command', shell=True, stderr=-1, stdout=-1),
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call.Popen_instance.kill(),
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], Popen.mock.method_calls)
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def test_all_signals(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command')
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# usage
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process = Popen('a command')
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process.send_signal(signal.SIGINT)
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process.terminate()
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process.kill()
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# test call list
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compare([
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call.Popen('a command'),
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call.Popen_instance.send_signal(signal.SIGINT),
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call.Popen_instance.terminate(),
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call.Popen_instance.kill(),
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], Popen.mock.method_calls)
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def test_poll_no_setup(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command')
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# usage
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process = Popen('a command', stdout=PIPE, stderr=PIPE, shell=True)
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compare(process.poll(), None)
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compare(process.poll(), None)
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compare(process.wait(), 0)
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compare(process.poll(), 0)
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# result checking
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compare([
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call.Popen('a command', shell=True, stderr=-1, stdout=-1),
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call.Popen_instance.poll(),
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call.Popen_instance.poll(),
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call.Popen_instance.wait(),
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call.Popen_instance.poll(),
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], Popen.mock.method_calls)
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def test_poll_setup(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command', poll_count=1)
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# usage
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process = Popen('a command', stdout=PIPE, stderr=PIPE, shell=True)
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compare(process.poll(), None)
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compare(process.poll(), 0)
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compare(process.wait(), 0)
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compare(process.poll(), 0)
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# result checking
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compare([
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call.Popen('a command', shell=True, stderr=-1, stdout=-1),
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call.Popen_instance.poll(),
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call.Popen_instance.poll(),
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call.Popen_instance.wait(),
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call.Popen_instance.poll(),
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], Popen.mock.method_calls)
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def test_poll_until_result(self):
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# setup
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Popen = MockPopen()
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Popen.set_command('a command', returncode=3, poll_count=2)
|
||
|
|
# example usage
|
||
|
|
process = Popen('a command')
|
||
|
|
while process.poll() is None:
|
||
|
|
# you'd probably have a sleep here, or go off and
|
||
|
|
# do some other work.
|
||
|
|
pass
|
||
|
|
# result checking
|
||
|
|
compare(process.returncode, 3)
|
||
|
|
compare([
|
||
|
|
call.Popen('a command'),
|
||
|
|
call.Popen_instance.poll(),
|
||
|
|
call.Popen_instance.poll(),
|
||
|
|
call.Popen_instance.poll(),
|
||
|
|
], Popen.mock.method_calls)
|
||
|
|
|
||
|
|
def test_command_not_specified(self):
|
||
|
|
Popen = MockPopen()
|
||
|
|
with ShouldRaise(KeyError(
|
||
|
|
"Nothing specified for command 'a command'"
|
||
|
|
)):
|
||
|
|
Popen('a command', stdout=PIPE, stderr=PIPE, shell=True)
|
||
|
|
|
||
|
|
def test_default_command_min_args(self):
|
||
|
|
# setup
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_default()
|
||
|
|
# usage
|
||
|
|
process = Popen('a command', stdout=PIPE, stderr=PIPE)
|
||
|
|
# process started, no return code
|
||
|
|
compare(process.pid, 1234)
|
||
|
|
compare(None, process.returncode)
|
||
|
|
|
||
|
|
out, err = process.communicate()
|
||
|
|
|
||
|
|
# test the rest
|
||
|
|
compare(out, b'')
|
||
|
|
compare(err, b'')
|
||
|
|
compare(process.returncode, 0)
|
||
|
|
# test call list
|
||
|
|
compare([
|
||
|
|
call.Popen('a command', stderr=-1, stdout=-1),
|
||
|
|
call.Popen_instance.communicate(),
|
||
|
|
], Popen.mock.method_calls)
|
||
|
|
|
||
|
|
def test_default_command_max_args(self):
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_default(b'out', b'err', 1, 345)
|
||
|
|
|
||
|
|
process = Popen('a command', stdout=PIPE, stderr=PIPE)
|
||
|
|
compare(process.pid, 345)
|
||
|
|
compare(None, process.returncode)
|
||
|
|
|
||
|
|
out, err = process.communicate()
|
||
|
|
|
||
|
|
# test the rest
|
||
|
|
compare(out, b'out')
|
||
|
|
compare(err, b'err')
|
||
|
|
compare(process.returncode, 1)
|
||
|
|
# test call list
|
||
|
|
compare([
|
||
|
|
call.Popen('a command', stderr=-1, stdout=-1),
|
||
|
|
call.Popen_instance.communicate(),
|
||
|
|
], Popen.mock.method_calls)
|
||
|
|
|
||
|
|
def test_invalid_parameters(self):
|
||
|
|
Popen = MockPopen()
|
||
|
|
with ShouldRaise(TypeError(
|
||
|
|
"__init__() got an unexpected keyword argument 'foo'"
|
||
|
|
)):
|
||
|
|
Popen(foo='bar')
|
||
|
|
|
||
|
|
def test_invalid_method_or_attr(self):
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_command('command')
|
||
|
|
process = Popen('command')
|
||
|
|
with ShouldRaise(AttributeError):
|
||
|
|
process.foo()
|
||
|
|
|
||
|
|
def test_invalid_attribute(self):
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_command('command')
|
||
|
|
process = Popen('command')
|
||
|
|
with ShouldRaise(AttributeError):
|
||
|
|
process.foo
|
||
|
|
|
||
|
|
def test_invalid_communicate_call(self):
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_command('bar')
|
||
|
|
process = Popen('bar')
|
||
|
|
with ShouldRaise(TypeError(
|
||
|
|
"communicate() got an unexpected keyword argument 'foo'"
|
||
|
|
)):
|
||
|
|
process.communicate(foo='bar')
|
||
|
|
|
||
|
|
def test_invalid_wait_call(self):
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_command('bar')
|
||
|
|
process = Popen('bar')
|
||
|
|
with ShouldRaise(TypeError(
|
||
|
|
"wait() got an unexpected keyword argument 'foo'"
|
||
|
|
)):
|
||
|
|
process.wait(foo='bar')
|
||
|
|
|
||
|
|
def test_invalid_send_signal(self):
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_command('bar')
|
||
|
|
process = Popen('bar')
|
||
|
|
with ShouldRaise(TypeError(
|
||
|
|
"send_signal() got an unexpected keyword argument 'foo'"
|
||
|
|
)):
|
||
|
|
process.send_signal(foo='bar')
|
||
|
|
|
||
|
|
def test_invalid_terminate(self):
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_command('bar')
|
||
|
|
process = Popen('bar')
|
||
|
|
with ShouldRaise(TypeError(
|
||
|
|
"terminate() got an unexpected keyword argument 'foo'"
|
||
|
|
)):
|
||
|
|
process.terminate(foo='bar')
|
||
|
|
|
||
|
|
def test_invalid_kill(self):
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_command('bar')
|
||
|
|
process = Popen('bar')
|
||
|
|
if PY2:
|
||
|
|
text = 'kill() takes exactly 1 argument (2 given)'
|
||
|
|
else:
|
||
|
|
text = 'kill() takes 1 positional argument but 2 were given'
|
||
|
|
with ShouldRaise(TypeError(text)):
|
||
|
|
process.kill('moo')
|
||
|
|
|
||
|
|
def test_invalid_poll(self):
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_command('bar')
|
||
|
|
process = Popen('bar')
|
||
|
|
if PY2:
|
||
|
|
text = 'poll() takes exactly 1 argument (2 given)'
|
||
|
|
else:
|
||
|
|
text = 'poll() takes 1 positional argument but 2 were given'
|
||
|
|
with ShouldRaise(TypeError(text)):
|
||
|
|
process.poll('moo')
|
||
|
|
|
||
|
|
def test_non_pipe(self):
|
||
|
|
# setup
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_command('a command')
|
||
|
|
# usage
|
||
|
|
process = Popen('a command')
|
||
|
|
# checks
|
||
|
|
compare(process.stdout, expected=None)
|
||
|
|
compare(process.stderr, expected=None)
|
||
|
|
out, err = process.communicate()
|
||
|
|
# test the rest
|
||
|
|
compare(out, expected=None)
|
||
|
|
compare(err, expected=None)
|
||
|
|
# test call list
|
||
|
|
compare([
|
||
|
|
call.Popen('a command'),
|
||
|
|
call.Popen_instance.communicate(),
|
||
|
|
], Popen.mock.method_calls)
|
||
|
|
|
||
|
|
def test_use_as_context_manager(self):
|
||
|
|
# setup
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_command('a command')
|
||
|
|
if PY2:
|
||
|
|
|
||
|
|
process = Popen('a command')
|
||
|
|
with ShouldRaise(AttributeError):
|
||
|
|
process.__enter__
|
||
|
|
with ShouldRaise(AttributeError):
|
||
|
|
process.__exit__
|
||
|
|
|
||
|
|
else:
|
||
|
|
|
||
|
|
# usage
|
||
|
|
with Popen('a command', stdout=PIPE, stderr=PIPE) as process:
|
||
|
|
# process started, no return code
|
||
|
|
compare(process.pid, 1234)
|
||
|
|
compare(None, process.returncode)
|
||
|
|
|
||
|
|
out, err = process.communicate()
|
||
|
|
|
||
|
|
# test the rest
|
||
|
|
compare(out, b'')
|
||
|
|
compare(err, b'')
|
||
|
|
compare(process.returncode, 0)
|
||
|
|
|
||
|
|
compare(process.stdout.closed, expected=True)
|
||
|
|
compare(process.stderr.closed, expected=True)
|
||
|
|
|
||
|
|
# test call list
|
||
|
|
compare([
|
||
|
|
call.Popen('a command', stderr=-1, stdout=-1),
|
||
|
|
call.Popen_instance.communicate(),
|
||
|
|
call.Popen_instance.wait(),
|
||
|
|
], Popen.mock.method_calls)
|
||
|
|
|
||
|
|
def test_start_new_session(self):
|
||
|
|
# setup
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_command('a command')
|
||
|
|
# usage
|
||
|
|
Popen('a command', start_new_session=True)
|
||
|
|
# test call list
|
||
|
|
compare([
|
||
|
|
call.Popen('a command', start_new_session=True),
|
||
|
|
], Popen.mock.method_calls)
|
||
|
|
|
||
|
|
def test_simultaneous_processes(self):
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_command('a command', b'a', returncode=1)
|
||
|
|
Popen.set_command('b command', b'b', returncode=2)
|
||
|
|
process_a = Popen('a command', stdout=PIPE, stderr=PIPE, shell=True)
|
||
|
|
process_b = Popen(['b', 'command'], stdout=PIPE, stderr=PIPE, shell=True)
|
||
|
|
compare(process_a.wait(), expected=1)
|
||
|
|
compare(process_b.wait(), expected=2)
|
||
|
|
a_call = call.Popen('a command', stdout=PIPE, stderr=PIPE, shell=True)
|
||
|
|
b_call = call.Popen(['b', 'command'], stdout=PIPE, stderr=PIPE, shell=True)
|
||
|
|
compare(Popen.all_calls, expected=[
|
||
|
|
a_call,
|
||
|
|
b_call,
|
||
|
|
a_call.wait(),
|
||
|
|
b_call.wait(),
|
||
|
|
])
|
||
|
|
compare(process_a.mock.method_calls, expected=[
|
||
|
|
call.wait()
|
||
|
|
])
|
||
|
|
compare(process_b.mock.method_calls, expected=[
|
||
|
|
call.wait()
|
||
|
|
])
|
||
|
|
|
||
|
|
def test_pass_executable(self):
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_command('a command', b'a', returncode=1)
|
||
|
|
Popen('a command', executable='/foo/bar')
|
||
|
|
compare(Popen.all_calls, expected=[
|
||
|
|
call.Popen('a command', executable='/foo/bar')
|
||
|
|
])
|
||
|
|
|
||
|
|
def test_set_command_with_list(self):
|
||
|
|
Popen = MockPopen()
|
||
|
|
Popen.set_command(['a', 'command'])
|
||
|
|
Popen(['a', 'command'], stdout=PIPE, stderr=PIPE)
|
||
|
|
compare([call.Popen(['a', 'command'], stderr=-1, stdout=-1)],
|
||
|
|
actual=Popen.all_calls)
|
||
|
|
|
||
|
|
|
||
|
|
class IntegrationTests(TestCase):
|
||
|
|
|
||
|
|
def setUp(self):
|
||
|
|
self.popen = MockPopen()
|
||
|
|
replacer = Replacer()
|
||
|
|
replacer.replace('testfixtures.tests.test_popen.subprocess.Popen', self.popen)
|
||
|
|
self.addCleanup(replacer.restore)
|
||
|
|
|
||
|
|
def test_command_called_with_check_call_check_returncode(self):
|
||
|
|
self.popen.set_command('ls')
|
||
|
|
compare(0, subprocess.check_call(['ls']))
|
||
|
|
|
||
|
|
def test_command_called_with_check_output_check_stdout_returned(self):
|
||
|
|
self.popen.set_command('ls', stdout=b'abc')
|
||
|
|
compare(b'abc', subprocess.check_output(['ls']))
|
||
|
|
|
||
|
|
def test_command_called_with_check_output_stderr_to_stdout_check_returned(self):
|
||
|
|
self.popen.set_command('ls', stderr=b'xyz')
|
||
|
|
compare(b'xyz', subprocess.check_output(['ls'], stderr=STDOUT))
|
||
|
|
|
||
|
|
def test_command_called_with_check_call_failing_command_check_exception(self):
|
||
|
|
self.popen.set_command('ls', returncode=1)
|
||
|
|
with self.assertRaises(subprocess.CalledProcessError):
|
||
|
|
subprocess.check_output(['ls'])
|