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import os
import shutil
import tempfile
from pkg_resources import Distribution
from mock import Mock, patch
from nose.tools import assert_equal, assert_raises
from pip.exceptions import PreviousBuildDirError
from pip.index import PackageFinder
from pip.log import logger
from pip.req import (InstallRequirement, RequirementSet, parse_editable,
Requirements, parse_requirements)
from tests.lib import path_to_url, assert_raises_regexp, find_links, tests_data
class TestRequirementSet(object):
"""RequirementSet tests"""
def setup(self):
logger.consumers = [(logger.NOTIFY, Mock())]
self.tempdir = tempfile.mkdtemp()
def teardown(self):
logger.consumers = []
shutil.rmtree(self.tempdir, ignore_errors=True)
def basic_reqset(self):
return RequirementSet(
build_dir=os.path.join(self.tempdir, 'build'),
src_dir=os.path.join(self.tempdir, 'src'),
download_dir=None,
download_cache=os.path.join(self.tempdir, 'download_cache')
)
def test_no_reuse_existing_build_dir(self):
"""Test prepare_files raise exception with previous build dir"""
build_dir = os.path.join(self.tempdir, 'build', 'simple')
os.makedirs(build_dir)
open(os.path.join(build_dir, "setup.py"), 'w')
reqset = self.basic_reqset()
req = InstallRequirement.from_line('simple')
reqset.add_requirement(req)
finder = PackageFinder([find_links], [])
assert_raises_regexp(
PreviousBuildDirError,
"pip can't proceed with [\s\S]*%s[\s\S]*%s" % (req, build_dir.replace('\\', '\\\\')),
reqset.prepare_files,
finder
)
def test_url_with_query():
"""InstallRequirement should strip the fragment, but not the query."""
url = 'http://foo.com/?p=bar.git;a=snapshot;h=v0.1;sf=tgz'
fragment = '#egg=bar'
req = InstallRequirement.from_line(url + fragment)
assert req.url == url, req.url
def test_requirements_data_structure_keeps_order():
requirements = Requirements()
requirements['pip'] = 'pip'
requirements['nose'] = 'nose'
requirements['coverage'] = 'coverage'
assert ['pip', 'nose', 'coverage'] == list(requirements.values())
assert ['pip', 'nose', 'coverage'] == list(requirements.keys())
def test_requirements_data_structure_implements__repr__():
requirements = Requirements()
requirements['pip'] = 'pip'
requirements['nose'] = 'nose'
assert "Requirements({'pip': 'pip', 'nose': 'nose'})" == repr(requirements)
def test_requirements_data_structure_implements__contains__():
requirements = Requirements()
requirements['pip'] = 'pip'
assert 'pip' in requirements
assert 'nose' not in requirements
@patch('os.path.normcase')
@patch('pip.req.os.getcwd')
@patch('pip.req.os.path.exists')
@patch('pip.req.os.path.isdir')
def test_parse_editable_local(isdir_mock, exists_mock, getcwd_mock, normcase_mock):
exists_mock.return_value = isdir_mock.return_value = True
# mocks needed to support path operations on windows tests
normcase_mock.return_value = getcwd_mock.return_value = "/some/path"
assert_equal(
parse_editable('.', 'git'),
(None, 'file:///some/path', None)
)
normcase_mock.return_value = "/some/path/foo"
assert_equal(
parse_editable('foo', 'git'),
(None, 'file:///some/path/foo', None)
)
def test_parse_editable_default_vcs():
assert_equal(
parse_editable('https://foo#egg=foo', 'git'),
('foo', 'git+https://foo#egg=foo', None)
)
def test_parse_editable_explicit_vcs():
assert_equal(
parse_editable('svn+https://foo#egg=foo', 'git'),
('foo', 'svn+https://foo#egg=foo', None)
)
def test_parse_editable_vcs_extras():
assert_equal(
parse_editable('svn+https://foo#egg=foo[extras]', 'git'),
('foo[extras]', 'svn+https://foo#egg=foo[extras]', None)
)
@patch('os.path.normcase')
@patch('pip.req.os.getcwd')
@patch('pip.req.os.path.exists')
@patch('pip.req.os.path.isdir')
def test_parse_editable_local_extras(isdir_mock, exists_mock, getcwd_mock, normcase_mock):
exists_mock.return_value = isdir_mock.return_value = True
normcase_mock.return_value = getcwd_mock.return_value = "/some/path"
assert_equal(
parse_editable('.[extras]', 'git'),
(None, 'file://' + "/some/path", ('extras',))
)
normcase_mock.return_value = "/some/path/foo"
assert_equal(
parse_editable('foo[bar,baz]', 'git'),
(None, 'file:///some/path/foo', ('bar', 'baz'))
)
def test_remote_reqs_parse():
"""
Test parsing a simple remote requirements file
"""
# this requirements file just contains a comment
# previously this has failed in py3 (https://github.com/pypa/pip/issues/760)
for req in parse_requirements('https://raw.github.com/pypa/pip-test-package/master/tests/req_just_comment.txt'):
pass
# patch this for travis which has distribute in it's base env for now
@patch('pip.wheel.pkg_resources.get_distribution', lambda x: Distribution(project_name='setuptools', version='0.9'))
def test_req_file_parse_use_wheel():
"""
Test parsing --use-wheel from a req file
"""
reqfile = os.path.join(tests_data, 'reqfiles', 'supported_options.txt')
finder = PackageFinder([], [])
for req in parse_requirements(reqfile, finder):
pass
assert finder.use_wheel
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