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import subprocess
from unittest.mock import ANY, MagicMock
import pytest
from briefcase.exceptions import BriefcaseCommandError
from briefcase.integrations.android_sdk import AndroidSDK
from briefcase.integrations.base import ToolCache
@pytest.fixture
def mock_tools(tmp_path, mock_tools) -> ToolCache:
# For default test purposes, assume we're on macOS x86_64
mock_tools.host_os = "Darwin"
mock_tools.host_arch = "x86_64"
return mock_tools
@pytest.fixture
def android_sdk(android_sdk) -> AndroidSDK:
# Mock some existing emulators
android_sdk.emulators = MagicMock(
return_value=[
"runningEmulator",
"idleEmulator",
]
)
return android_sdk
@pytest.mark.parametrize(
"host_os, host_arch, emulator_abi",
[
("Darwin", "x86_64", "x86_64"),
("Darwin", "arm64", "arm64-v8a"),
("Windows", "AMD64", "x86_64"),
("Linux", "x86_64", "x86_64"),
("Linux", "aarch64", "arm64-v8a"),
],
)
def test_create_emulator(
mock_tools,
android_sdk,
tmp_path,
host_os,
host_arch,
emulator_abi,
):
"""A new emulator can be created."""
# This test validates everything going well on first run.
# This means the skin will be downloaded and unpacked.
# Mock the hardware and operating system to specific values
mock_tools.host_os = host_os
mock_tools.host_arch = host_arch
# Mock system image and skin verification
android_sdk.verify_system_image = MagicMock()
android_sdk.verify_emulator_skin = MagicMock()
# Mock the initial output of an AVD config file.
avd_config_path = tmp_path / "home/.android/avd/new-emulator.avd/config.ini"
avd_config_path.parent.mkdir(parents=True)
with avd_config_path.open("w", encoding="utf-8") as f:
f.write("hw.device.name=pixel\n")
# Create the emulator
android_sdk._create_emulator(
avd="new-emulator",
device_type="slab",
skin="slab_skin",
system_image="system-images;android-42;default;gothic",
)
# The system image was verified
android_sdk.verify_system_image.assert_called_once_with(
"system-images;android-42;default;gothic"
)
# The emulator skin was verified
android_sdk.verify_emulator_skin.assert_called_once_with("slab_skin")
# avdmanager was invoked
mock_tools.subprocess.check_output.assert_called_once_with(
[
android_sdk.avdmanager_path,
"--verbose",
"create",
"avd",
"--name",
"new-emulator",
"--abi",
emulator_abi,
"--package",
"system-images;android-42;default;gothic",
"--device",
"slab",
],
env={
**android_sdk.env,
**{"XDG_CONFIG_HOME": None},
},
)
# Emulator configuration file has been appended.
with avd_config_path.open(encoding="utf-8") as f:
config = f.read().split("\n")
assert "hw.keyboard=yes" in config
assert "skin.name=slab_skin" in config
@pytest.mark.parametrize(
"host_os, host_arch, emulator_abi",
[
("Darwin", "x86_64", "x86_64"),
("Darwin", "arm64", "arm64-v8a"),
("Windows", "AMD64", "x86_64"),
("Linux", "x86_64", "x86_64"),
("Linux", "aarch64", "arm64-v8a"),
],
)
def test_create_emulator_with_defaults(
mock_tools,
android_sdk,
tmp_path,
host_os,
host_arch,
emulator_abi,
):
"""A new emulator can be created using default properties."""
# This test validates everything going well on first run.
# This means the skin will be downloaded and unpacked.
# Mock the hardware and operating system to specific values
mock_tools.host_os = host_os
mock_tools.host_arch = host_arch
# Mock system image and skin verification
android_sdk.verify_system_image = MagicMock()
android_sdk.verify_emulator_skin = MagicMock()
# Mock the initial output of an AVD config file.
avd_config_path = tmp_path / "home/.android/avd/new-emulator.avd/config.ini"
avd_config_path.parent.mkdir(parents=True)
with avd_config_path.open("w", encoding="utf-8") as f:
f.write("hw.device.name=pixel\n")
# Create the emulator using defaults
android_sdk._create_emulator(avd="new-emulator")
# The system image was verified
android_sdk.verify_system_image.assert_called_once_with(
f"system-images;android-31;default;{emulator_abi}"
)
# The emulator skin was verified
android_sdk.verify_emulator_skin.assert_called_once_with("pixel_7_pro")
# avdmanager was invoked
mock_tools.subprocess.check_output.assert_called_once_with(
[
android_sdk.avdmanager_path,
"--verbose",
"create",
"avd",
"--name",
"new-emulator",
"--abi",
emulator_abi,
"--package",
f"system-images;android-31;default;{emulator_abi}",
"--device",
"pixel",
],
env={
**android_sdk.env,
**{"XDG_CONFIG_HOME": None},
},
)
# Emulator configuration file has been appended.
with avd_config_path.open(encoding="utf-8") as f:
config = f.read().split("\n")
assert "hw.keyboard=yes" in config
assert "skin.name=pixel_7_pro" in config
def test_create_failure(mock_tools, android_sdk):
"""If avdmanager fails, an error is raised."""
# Mock system image and skin verification
android_sdk.verify_system_image = MagicMock()
android_sdk.verify_emulator_skin = MagicMock()
# Mock an avdmanager failure.
mock_tools.subprocess.check_output.side_effect = subprocess.CalledProcessError(
returncode=1, cmd="avdmanager"
)
# Create the emulator
with pytest.raises(BriefcaseCommandError):
android_sdk._create_emulator(avd="new-emulator")
# The system image was verified
android_sdk.verify_system_image.assert_called_once_with(ANY)
# The emulator skin was verified
android_sdk.verify_emulator_skin.assert_called_once_with("pixel_7_pro")
# avdmanager was invoked
mock_tools.subprocess.check_output.assert_called_once_with(
[
android_sdk.avdmanager_path,
"--verbose",
"create",
"avd",
"--name",
"new-emulator",
"--abi",
"x86_64",
"--package",
"system-images;android-31;default;x86_64",
"--device",
"pixel",
],
env={
**android_sdk.env,
**{"XDG_CONFIG_HOME": None},
},
)
def test_default_name(mock_tools, android_sdk, tmp_path):
"""A new emulator can be created with the default name."""
# This test doesn't validate most of the test process;
# it only checks that the emulator is created with the default name.
# User provides no input; default name will be used
mock_tools.console.values = [""]
# Mock the initial output of an AVD config file.
avd_config_path = tmp_path / "home/.android/avd/beePhone.avd/config.ini"
avd_config_path.parent.mkdir(parents=True)
with avd_config_path.open("w", encoding="utf-8") as f:
f.write("hw.device.name=pixel\n")
# Create the emulator
avd = android_sdk.create_emulator()
# The expected device AVD was created.
assert avd == "beePhone"
def test_default_name_with_collisions(mock_tools, android_sdk, tmp_path):
"""The default name will avoid collisions with existing emulators."""
# This test doesn't validate most of the test process;
# it only checks that the emulator is created with the default name.
# Create some existing emulators that will collide with the default name.
android_sdk.emulators = MagicMock(
return_value=[
"beePhone2",
"runningEmulator",
"beePhone",
]
)
# User provides no input; default name will be used
mock_tools.console.values = [""]
# Mock the initial output of an AVD config file.
avd_config_path = tmp_path / "home/.android/avd/beePhone3.avd/config.ini"
avd_config_path.parent.mkdir(parents=True)
with avd_config_path.open("w", encoding="utf-8") as f:
f.write("hw.device.name=pixel\n")
# Create the emulator
avd = android_sdk.create_emulator()
# The expected device AVD was created.
assert avd == "beePhone3"
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