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import os
import subprocess
import pytest
from briefcase.exceptions import BriefcaseCommandError
from briefcase.integrations.docker import DockerAppContext
@pytest.mark.parametrize("extra_args", [[], ["--option-one", "--option-two"]])
def test_prepare(mock_tools, my_app, extra_args, tmp_path, sub_stream_kw):
"""The Docker environment can be prepared."""
mock_docker_app_context = DockerAppContext(mock_tools, my_app)
mock_docker_app_context.prepare(
image_tag="briefcase/com.example.myapp:py3.X",
dockerfile_path=tmp_path / "bundle/Dockerfile",
app_base_path=tmp_path / "base",
host_bundle_path=tmp_path / "bundle",
host_data_path=tmp_path / "briefcase",
python_version="3.X",
extra_build_args=extra_args,
)
mock_docker_app_context.tools.subprocess._subprocess.Popen.assert_called_with(
[
"docker",
"buildx",
"build",
"--load",
"--progress",
"plain",
"--tag",
"briefcase/com.example.myapp:py3.X",
"--file",
os.fsdecode(tmp_path / "bundle/Dockerfile"),
"--build-arg",
"SYSTEM_REQUIRES=things==1.2 stuff>=3.4 runtime_things==1.42 stuff>=3.4",
"--build-arg",
"HOST_UID=37",
"--build-arg",
"HOST_GID=42",
os.fsdecode(tmp_path / "base/path/to/src"),
]
+ extra_args,
**sub_stream_kw,
)
assert mock_docker_app_context.app_base_path == tmp_path / "base"
assert mock_docker_app_context.host_bundle_path == tmp_path / "bundle"
assert mock_docker_app_context.host_data_path == tmp_path / "briefcase"
assert mock_docker_app_context.image_tag == "briefcase/com.example.myapp:py3.X"
assert mock_docker_app_context.python_version == "3.X"
def test_prepare_failure(mock_docker_app_context, tmp_path, sub_stream_kw):
"""If the Docker environment can't be prepared, an error is raised."""
# Mock a failure in docker build.
mock_docker_app_context.tools.subprocess._subprocess.Popen.side_effect = (
subprocess.CalledProcessError(returncode=1, cmd="docker build")
)
with pytest.raises(BriefcaseCommandError):
mock_docker_app_context.prepare(
image_tag="briefcase/com.example.myapp:py3.X",
dockerfile_path=tmp_path / "bundle/Dockerfile",
app_base_path=tmp_path / "base",
host_bundle_path=tmp_path / "bundle",
host_data_path=tmp_path / "briefcase",
python_version="3.X",
extra_build_args=["--option-one", "--option-two"],
)
mock_docker_app_context.tools.subprocess._subprocess.Popen.assert_called_with(
[
"docker",
"buildx",
"build",
"--load",
"--progress",
"plain",
"--tag",
"briefcase/com.example.myapp:py3.X",
"--file",
os.fsdecode(tmp_path / "bundle/Dockerfile"),
"--build-arg",
"SYSTEM_REQUIRES=things==1.2 stuff>=3.4 runtime_things==1.42 stuff>=3.4",
"--build-arg",
"HOST_UID=37",
"--build-arg",
"HOST_GID=42",
os.fsdecode(tmp_path / "base/path/to/src"),
"--option-one",
"--option-two",
],
**sub_stream_kw,
)
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