def test_download_windows_binaries(mocker, tmp_path):
mocker.patch.object(platform, "system", lambda: "Windows")
mocker.patch.object(download_binaries, "CACHE_DIR", tmp_path)
assert not download_binaries.get_docker_binary_path_in_cache().exists()
assert download_binaries.get_user_os() == "windows"
download_binaries.download_docker_cli()
assert download_binaries.get_docker_binary_path_in_cache().exists()
def test_download_cli(mocker, tmp_path):
mocker.patch.object(download_binaries, "CACHE_DIR", tmp_path)
download_binaries.download_docker_cli()
simple_command = [
download_binaries.get_docker_binary_path_in_cache(),
"run",
"--rm",
"hello-world",
]
output = run(simple_command, capture_stdout=True, capture_stderr=True)
assert "Hello from Docker!" in output
def test_download_cli():
try:
download_binaries.DOCKER_BINARY_PATH.unlink()
except FileNotFoundError:
pass
download_binaries.download_docker_cli()
simple_command = [
download_binaries.DOCKER_BINARY_PATH,
"run",
"--rm",
"hello-world",
]
output = run(simple_command, capture_stdout=True, capture_stderr=True)
assert "Hello from Docker!" in output
def get_docker_path(self) -> ValidPath:
if self.client_binary_path is None:
self.client_binary_path = get_docker_client_binary_path()
if self.client_binary_path is None:
warnings.warn(
"The docker client binary file was not found on your system. \n"
"Docker on whales will try to download it for you. \n"
"Don't worry, it "
"won't be in the PATH and won't have anything to do with "
"the package manager of your system. \n"
"Note: We are not installing the docker daemon, which is a lot "
"heavier and harder to install. We're just downloading a single "
"standalone binary file.\n"
"If you want to trigger the download of the client binary file "
"manually (for example if you want to do it in a Dockerfile), "
"you can run the following command:\n "
"$ python-on-whales download-cli \n"
)
download_docker_cli()
self.client_binary_path = get_docker_binary_path_in_cache()
return self.client_binary_path
def download_cli():
download_docker_cli()