91 lines
3.2 KiB
Python
91 lines
3.2 KiB
Python
# pylint: disable=missing-module-docstring, redefined-outer-name, unused-argument, wrong-import-order, unused-import
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import time
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from unittest import mock
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import pytest
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import tox.tox_env.python.virtual_env.runner
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from poetry.factory import Factory
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from .fixtures import mock_poetry_factory
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from .fixtures import mock_venv
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from tox_poetry_installer import installer
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from tox_poetry_installer import utilities
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def test_deduplication(mock_venv, mock_poetry_factory):
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"""Test that the installer does not install duplicate dependencies"""
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poetry = Factory().create_poetry(None)
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packages: utilities.PackageMap = {
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item.name: item for item in poetry.locker.locked_repository().packages
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}
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venv = tox.tox_env.python.virtual_env.runner.VirtualEnvRunner()
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to_install = [packages["toml"], packages["toml"]]
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installer.install(poetry, venv, to_install)
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assert len(set(to_install)) == len(venv.installed) # pylint: disable=no-member
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def test_parallelization(mock_venv, mock_poetry_factory):
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"""Test that behavior is consistent between parallel and non-parallel usage"""
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poetry = Factory().create_poetry(None)
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packages: utilities.PackageMap = {
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item.name: item for item in poetry.locker.locked_repository().packages
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}
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to_install = [
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packages["toml"],
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packages["toml"],
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packages["tox"],
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packages["requests"],
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packages["python-dateutil"],
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packages["attrs"],
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]
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venv_sequential = tox.tox_env.python.virtual_env.runner.VirtualEnvRunner()
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start_sequential = time.time()
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installer.install(poetry, venv_sequential, to_install, 0)
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sequential = time.time() - start_sequential
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venv_parallel = tox.tox_env.python.virtual_env.runner.VirtualEnvRunner()
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start_parallel = time.time()
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installer.install(poetry, venv_parallel, to_install, 5)
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parallel = time.time() - start_parallel
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# The mock delay during package install is static (one second) so these values should all
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# be within microseconds of each other
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assert parallel < sequential
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assert round(parallel * 5) == round(sequential)
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assert round(sequential) == len(set(to_install))
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assert round(parallel * 5) == len(set(to_install))
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@pytest.mark.parametrize("num_threads", (0, 8))
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def test_propagates_exceptions_during_installation(
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mock_venv, mock_poetry_factory, num_threads
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):
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"""Assert that an exception which occurs during installation is properly raised.
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Regression test for https://github.com/enpaul/tox-poetry-installer/issues/86
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"""
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from tox_poetry_installer import _poetry # pylint: disable=import-outside-toplevel
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poetry = Factory().create_poetry(None)
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packages: utilities.PackageMap = {
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item.name: item for item in poetry.locker.locked_repository().packages
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}
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to_install = [packages["toml"]]
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venv = tox.tox_env.python.virtual_env.runner.VirtualEnvRunner()
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fake_exception = ValueError("my testing exception")
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with mock.patch.object(
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_poetry,
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"Executor",
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**{"return_value.execute.side_effect": fake_exception},
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):
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with pytest.raises(ValueError) as exc_info:
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installer.install(poetry, venv, to_install, num_threads)
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assert exc_info.value is fake_exception
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