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from docker.utils.socket import next_frame_size
from docker.utils.socket import read_exactly
from .base import BaseAPIIntegrationTest, BUSYBOX
from ..helpers import requires_api_version
class ExecTest(BaseAPIIntegrationTest):
def test_execute_command(self):
container = self.client.create_container(BUSYBOX, 'cat',
detach=True, stdin_open=True)
id = container['Id']
self.client.start(id)
self.tmp_containers.append(id)
res = self.client.exec_create(id, ['echo', 'hello'])
self.assertIn('Id', res)
exec_log = self.client.exec_start(res)
self.assertEqual(exec_log, b'hello\n')
def test_exec_command_string(self):
container = self.client.create_container(BUSYBOX, 'cat',
detach=True, stdin_open=True)
id = container['Id']
self.client.start(id)
self.tmp_containers.append(id)
res = self.client.exec_create(id, 'echo hello world')
self.assertIn('Id', res)
exec_log = self.client.exec_start(res)
self.assertEqual(exec_log, b'hello world\n')
def test_exec_command_as_user(self):
container = self.client.create_container(BUSYBOX, 'cat',
detach=True, stdin_open=True)
id = container['Id']
self.client.start(id)
self.tmp_containers.append(id)
res = self.client.exec_create(id, 'whoami', user='default')
self.assertIn('Id', res)
exec_log = self.client.exec_start(res)
self.assertEqual(exec_log, b'default\n')
def test_exec_command_as_root(self):
container = self.client.create_container(BUSYBOX, 'cat',
detach=True, stdin_open=True)
id = container['Id']
self.client.start(id)
self.tmp_containers.append(id)
res = self.client.exec_create(id, 'whoami')
self.assertIn('Id', res)
exec_log = self.client.exec_start(res)
self.assertEqual(exec_log, b'root\n')
def test_exec_command_streaming(self):
container = self.client.create_container(BUSYBOX, 'cat',
detach=True, stdin_open=True)
id = container['Id']
self.tmp_containers.append(id)
self.client.start(id)
exec_id = self.client.exec_create(id, ['echo', 'hello\nworld'])
self.assertIn('Id', exec_id)
res = b''
for chunk in self.client.exec_start(exec_id, stream=True):
res += chunk
self.assertEqual(res, b'hello\nworld\n')
def test_exec_start_socket(self):
container = self.client.create_container(BUSYBOX, 'cat',
detach=True, stdin_open=True)
container_id = container['Id']
self.client.start(container_id)
self.tmp_containers.append(container_id)
line = 'yay, interactive exec!'
# `echo` appends CRLF, `printf` doesn't
exec_id = self.client.exec_create(
container_id, ['printf', line], tty=True)
self.assertIn('Id', exec_id)
socket = self.client.exec_start(exec_id, socket=True)
self.addCleanup(socket.close)
next_size = next_frame_size(socket)
self.assertEqual(next_size, len(line))
data = read_exactly(socket, next_size)
self.assertEqual(data.decode('utf-8'), line)
def test_exec_start_detached(self):
container = self.client.create_container(BUSYBOX, 'cat',
detach=True, stdin_open=True)
container_id = container['Id']
self.client.start(container_id)
self.tmp_containers.append(container_id)
exec_id = self.client.exec_create(
container_id, ['printf', "asdqwe"])
self.assertIn('Id', exec_id)
response = self.client.exec_start(exec_id, detach=True)
self.assertEqual(response, "")
def test_exec_inspect(self):
container = self.client.create_container(BUSYBOX, 'cat',
detach=True, stdin_open=True)
id = container['Id']
self.client.start(id)
self.tmp_containers.append(id)
exec_id = self.client.exec_create(id, ['mkdir', '/does/not/exist'])
self.assertIn('Id', exec_id)
self.client.exec_start(exec_id)
exec_info = self.client.exec_inspect(exec_id)
self.assertIn('ExitCode', exec_info)
self.assertNotEqual(exec_info['ExitCode'], 0)
@requires_api_version('1.25')
def test_exec_command_with_env(self):
container = self.client.create_container(BUSYBOX, 'cat',
detach=True, stdin_open=True)
id = container['Id']
self.client.start(id)
self.tmp_containers.append(id)
res = self.client.exec_create(id, 'env', environment=["X=Y"])
assert 'Id' in res
exec_log = self.client.exec_start(res)
assert b'X=Y\n' in exec_log
@requires_api_version('1.35')
def test_exec_command_with_workdir(self):
container = self.client.create_container(
BUSYBOX, 'cat', detach=True, stdin_open=True
)
self.tmp_containers.append(container)
self.client.start(container)
res = self.client.exec_create(container, 'pwd', workdir='/var/www')
exec_log = self.client.exec_start(res)
assert exec_log == b'/var/www\n'
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