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import sys
from pathlib import Path
from unittest.mock import MagicMock
import pytest
from briefcase.exceptions import BriefcaseCommandError, NetworkFailure
from ....utils import create_tgz_file
@pytest.fixture
def skin_tgz_path(tmp_path) -> Path:
return create_tgz_file(tmp_path / "skin.tgz", content=[("skin", "skin contents")])
def test_existing_skin(mock_tools, android_sdk):
"""If the skin already exists, don't attempt to download it again."""
# Mock the existence of a system image
(android_sdk.root_path / "skins/pixel_X").mkdir(parents=True)
# Verify the system image that we already have
android_sdk.verify_emulator_skin("pixel_X")
# file.download was *not* called.
mock_tools.file.download.assert_not_called()
def test_new_skin(mock_tools, android_sdk, skin_tgz_path):
"""If the skin doesn't exist, an attempt is made to download it."""
mock_tools.file.download = MagicMock(return_value=skin_tgz_path)
# Verify the skin, triggering a download
android_sdk.verify_emulator_skin("pixel_X")
# Skin was downloaded
mock_tools.file.download.assert_called_once_with(
url="https://android.googlesource.com/platform/tools/adt/idea/"
"+archive/refs/heads/mirror-goog-studio-main/"
"artwork/resources/device-art-resources/pixel_X.tar.gz",
download_path=android_sdk.root_path,
role="pixel_X device skin",
)
# Skin is unpacked.
mock_tools.shutil.unpack_archive.assert_called_once_with(
filename=skin_tgz_path,
extract_dir=android_sdk.root_path / "skins/pixel_X",
**({"filter": "data"} if sys.version_info >= (3, 12) else {}),
)
# Original file was deleted.
assert not skin_tgz_path.exists()
def test_skin_download_failure(mock_tools, android_sdk, skin_tgz_path):
"""If the skin download fails, an error is raised."""
mock_tools.file.download = MagicMock(return_value=skin_tgz_path)
# Mock a failure downloading the skin
mock_tools.file.download.side_effect = NetworkFailure("mock")
# Verify the skin, triggering a download
with pytest.raises(NetworkFailure, match="Unable to mock"):
android_sdk.verify_emulator_skin("pixel_X")
# An attempt was made to download the skin
mock_tools.file.download.assert_called_once_with(
url="https://android.googlesource.com/platform/tools/adt/idea/"
"+archive/refs/heads/mirror-goog-studio-main/"
"artwork/resources/device-art-resources/pixel_X.tar.gz",
download_path=android_sdk.root_path,
role="pixel_X device skin",
)
# Skin wasn't downloaded, so it wasn't unpacked
assert mock_tools.shutil.unpack_archive.call_count == 0
def test_unpack_failure(mock_tools, android_sdk, skin_tgz_path):
"""If the download is corrupted and unpacking fails, an error is raised."""
# Mock the result of the download of a skin
mock_tools.file.download = MagicMock(return_value=skin_tgz_path)
# Mock a failure unpacking the skin
mock_tools.shutil.unpack_archive.side_effect = EOFError
# Verify the skin, triggering a download
with pytest.raises(
BriefcaseCommandError,
match=r"Unable to unpack pixel_X device skin.",
):
android_sdk.verify_emulator_skin("pixel_X")
# Skin was downloaded
mock_tools.file.download.assert_called_once_with(
url="https://android.googlesource.com/platform/tools/adt/idea/"
"+archive/refs/heads/mirror-goog-studio-main/"
"artwork/resources/device-art-resources/pixel_X.tar.gz",
download_path=android_sdk.root_path,
role="pixel_X device skin",
)
# An attempt to unpack the skin was made.
mock_tools.shutil.unpack_archive.assert_called_once_with(
filename=skin_tgz_path,
extract_dir=android_sdk.root_path / "skins/pixel_X",
**({"filter": "data"} if sys.version_info >= (3, 12) else {}),
)
# Original file wasn't deleted.
assert skin_tgz_path.exists()
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