mirror of https://github.com/pypa/pip
111 lines
4.0 KiB
Python
111 lines
4.0 KiB
Python
import os
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import tempfile
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import pytest
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from pip._vendor.packaging.requirements import Requirement
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from pip._internal.exceptions import InstallationError
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from pip._internal.req.constructors import (
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install_req_from_line,
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install_req_from_req_string,
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)
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from pip._internal.req.req_install import InstallRequirement
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class TestInstallRequirementBuildDirectory(object):
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# no need to test symlinks on Windows
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@pytest.mark.skipif("sys.platform == 'win32'")
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def test_tmp_build_directory(self):
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# when req is None, we can produce a temporary directory
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# Make sure we're handling it correctly with real path.
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requirement = InstallRequirement(None, None)
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tmp_dir = tempfile.mkdtemp('-build', 'pip-')
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tmp_build_dir = requirement.ensure_build_location(
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tmp_dir, autodelete=False, parallel_builds=False,
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)
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assert (
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os.path.dirname(tmp_build_dir) ==
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os.path.realpath(os.path.dirname(tmp_dir))
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)
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# are we on a system where /tmp is a symlink
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if os.path.realpath(tmp_dir) != os.path.abspath(tmp_dir):
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assert os.path.dirname(tmp_build_dir) != os.path.dirname(tmp_dir)
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else:
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assert os.path.dirname(tmp_build_dir) == os.path.dirname(tmp_dir)
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os.rmdir(tmp_dir)
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assert not os.path.exists(tmp_dir)
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def test_forward_slash_results_in_a_link(self, tmpdir):
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install_dir = tmpdir / "foo" / "bar"
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# Just create a file for letting the logic work
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setup_py_path = install_dir / "setup.py"
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os.makedirs(str(install_dir))
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with open(setup_py_path, 'w') as f:
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f.write('')
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requirement = install_req_from_line(
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str(install_dir).replace(os.sep, os.altsep or os.sep)
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)
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assert requirement.link is not None
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class TestInstallRequirementFrom(object):
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def test_install_req_from_string_invalid_requirement(self):
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"""
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Requirement strings that cannot be parsed by
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packaging.requirements.Requirement raise an InstallationError.
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"""
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with pytest.raises(InstallationError) as excinfo:
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install_req_from_req_string("http:/this/is/invalid")
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assert str(excinfo.value) == (
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"Invalid requirement: 'http:/this/is/invalid'"
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)
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def test_install_req_from_string_without_comes_from(self):
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"""
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Test to make sure that install_req_from_string succeeds
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when called with URL (PEP 508) but without comes_from.
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"""
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# Test with a PEP 508 url install string:
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wheel_url = ("https://download.pytorch.org/whl/cu90/"
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"torch-1.0.0-cp36-cp36m-win_amd64.whl")
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install_str = "torch@ " + wheel_url
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install_req = install_req_from_req_string(install_str)
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assert isinstance(install_req, InstallRequirement)
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assert install_req.link.url == wheel_url
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assert install_req.req.url == wheel_url
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assert install_req.comes_from is None
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assert install_req.is_wheel
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def test_install_req_from_string_with_comes_from_without_link(self):
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"""
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Test to make sure that install_req_from_string succeeds
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when called with URL (PEP 508) and comes_from
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does not have a link.
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"""
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# Test with a PEP 508 url install string:
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wheel_url = ("https://download.pytorch.org/whl/cu90/"
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"torch-1.0.0-cp36-cp36m-win_amd64.whl")
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install_str = "torch@ " + wheel_url
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# Dummy numpy "comes_from" requirement without link:
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comes_from = InstallRequirement(
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Requirement("numpy>=1.15.0"), comes_from=None
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)
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# Attempt install from install string comes:
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install_req = install_req_from_req_string(
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install_str, comes_from=comes_from
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)
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assert isinstance(install_req, InstallRequirement)
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assert install_req.comes_from.link is None
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assert install_req.link.url == wheel_url
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assert install_req.req.url == wheel_url
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assert install_req.is_wheel
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