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pip/tests/functional/test_install_reqs.py
Phil Pennock cb529e677b reduce new pylint complaints
Mostly indentation complaints, plus an unused test parameter, fixed.
Leaves one new pylint complaint, which is about a test function naming
issue which affects every test.
2018-03-20 17:32:22 -04:00

549 lines
20 KiB
Python

import os
import textwrap
import pytest
from tests.lib import (
_create_test_package_with_subdirectory, path_to_url, pyversion,
requirements_file,
)
from tests.lib.local_repos import local_checkout
@pytest.mark.network
def test_requirements_file(script):
"""
Test installing from a requirements file.
"""
other_lib_name, other_lib_version = 'anyjson', '0.3'
script.scratch_path.join("initools-req.txt").write(textwrap.dedent("""\
INITools==0.2
# and something else to test out:
%s<=%s
""" % (other_lib_name, other_lib_version)))
result = script.pip(
'install', '-r', script.scratch_path / 'initools-req.txt'
)
assert (
script.site_packages / 'INITools-0.2-py%s.egg-info' %
pyversion in result.files_created
)
assert script.site_packages / 'initools' in result.files_created
assert result.files_created[script.site_packages / other_lib_name].dir
fn = '%s-%s-py%s.egg-info' % (other_lib_name, other_lib_version, pyversion)
assert result.files_created[script.site_packages / fn].dir
def test_schema_check_in_requirements_file(script):
"""
Test installing from a requirements file with an invalid vcs schema..
"""
script.scratch_path.join("file-egg-req.txt").write(
"\n%s\n" % (
"git://github.com/alex/django-fixture-generator.git"
"#egg=fixture_generator"
)
)
with pytest.raises(AssertionError):
script.pip(
"install", "-vvv", "-r", script.scratch_path / "file-egg-req.txt"
)
def test_relative_requirements_file(script, data):
"""
Test installing from a requirements file with a relative path. For path
URLs, use an egg= definition.
"""
egg_info_file = (
script.site_packages / 'FSPkg-0.1.dev0-py%s.egg-info' % pyversion
)
egg_link_file = (
script.site_packages / 'FSPkg.egg-link'
)
package_folder = script.site_packages / 'fspkg'
# Compute relative install path to FSPkg from scratch path.
full_rel_path = data.packages.join('FSPkg') - script.scratch_path
full_rel_url = 'file:' + full_rel_path + '#egg=FSPkg'
embedded_rel_path = script.scratch_path.join(full_rel_path)
# For each relative path, install as either editable or not using either
# URLs with egg links or not.
for req_path in (full_rel_path, full_rel_url, embedded_rel_path):
req_path = req_path.replace(os.path.sep, '/')
# Regular install.
with requirements_file(req_path + '\n',
script.scratch_path) as reqs_file:
result = script.pip('install', '-vvv', '-r', reqs_file.name,
cwd=script.scratch_path)
assert egg_info_file in result.files_created, str(result)
assert package_folder in result.files_created, str(result)
script.pip('uninstall', '-y', 'fspkg')
# Editable install.
with requirements_file('-e ' + req_path + '\n',
script.scratch_path) as reqs_file:
result = script.pip('install', '-vvv', '-r', reqs_file.name,
cwd=script.scratch_path)
assert egg_link_file in result.files_created, str(result)
script.pip('uninstall', '-y', 'fspkg')
@pytest.mark.network
def test_multiple_requirements_files(script, tmpdir):
"""
Test installing from multiple nested requirements files.
"""
other_lib_name, other_lib_version = 'anyjson', '0.3'
script.scratch_path.join("initools-req.txt").write(
textwrap.dedent("""
-e %s@10#egg=INITools
-r %s-req.txt
""") %
(
local_checkout(
'svn+http://svn.colorstudy.com/INITools/trunk',
tmpdir.join("cache"),
),
other_lib_name
),
)
script.scratch_path.join("%s-req.txt" % other_lib_name).write(
"%s<=%s" % (other_lib_name, other_lib_version)
)
result = script.pip(
'install', '-r', script.scratch_path / 'initools-req.txt'
)
assert result.files_created[script.site_packages / other_lib_name].dir
fn = '%s-%s-py%s.egg-info' % (other_lib_name, other_lib_version, pyversion)
assert result.files_created[script.site_packages / fn].dir
assert script.venv / 'src' / 'initools' in result.files_created
def test_package_in_constraints_and_dependencies(script, data):
script.scratch_path.join("constraints.txt").write(
"TopoRequires2==0.0.1\nTopoRequires==0.0.1"
)
result = script.pip('install', '--no-index', '-f',
data.find_links, '-c', script.scratch_path /
'constraints.txt', 'TopoRequires2')
assert 'installed TopoRequires-0.0.1' in result.stdout
def test_multiple_constraints_files(script, data):
script.scratch_path.join("outer.txt").write("-c inner.txt")
script.scratch_path.join("inner.txt").write(
"Upper==1.0")
result = script.pip(
'install', '--no-index', '-f', data.find_links, '-c',
script.scratch_path / 'outer.txt', 'Upper')
assert 'installed Upper-1.0' in result.stdout
def test_respect_order_in_requirements_file(script, data):
script.scratch_path.join("frameworks-req.txt").write(textwrap.dedent("""\
parent
child
simple
"""))
result = script.pip(
'install', '--no-index', '-f', data.find_links, '-r',
script.scratch_path / 'frameworks-req.txt'
)
downloaded = [line for line in result.stdout.split('\n')
if 'Collecting' in line]
assert 'parent' in downloaded[0], (
'First download should be "parent" but was "%s"' % downloaded[0]
)
assert 'child' in downloaded[1], (
'Second download should be "child" but was "%s"' % downloaded[1]
)
assert 'simple' in downloaded[2], (
'Third download should be "simple" but was "%s"' % downloaded[2]
)
def test_install_local_editable_with_extras(script, data):
to_install = data.packages.join("LocalExtras")
res = script.pip(
'install', '-e', to_install + '[bar]', '--process-dependency-links',
expect_error=False,
expect_stderr=True,
)
assert script.site_packages / 'easy-install.pth' in res.files_updated, (
str(res)
)
assert (
script.site_packages / 'LocalExtras.egg-link' in res.files_created
), str(res)
assert script.site_packages / 'simple' in res.files_created, str(res)
def test_install_collected_dependencies_first(script):
result = script.pip_install_local(
'toporequires2',
)
text = [line for line in result.stdout.split('\n')
if 'Installing' in line][0]
assert text.endswith('toporequires2')
@pytest.mark.network
def test_install_local_editable_with_subdirectory(script):
version_pkg_path = _create_test_package_with_subdirectory(script,
'version_subdir')
result = script.pip(
'install', '-e',
'%s#egg=version_subpkg&subdirectory=version_subdir' %
('git+%s' % path_to_url(version_pkg_path),)
)
result.assert_installed('version-subpkg', sub_dir='version_subdir')
@pytest.mark.network
def test_install_local_with_subdirectory(script):
version_pkg_path = _create_test_package_with_subdirectory(script,
'version_subdir')
result = script.pip(
'install',
'%s#egg=version_subpkg&subdirectory=version_subdir' %
('git+' + path_to_url(version_pkg_path),)
)
result.assert_installed('version_subpkg.py', editable=False)
@pytest.mark.network
def test_wheel_user_with_prefix_in_pydistutils_cfg(
script, data, virtualenv, common_wheels):
# Make sure wheel is available in the virtualenv
script.pip('install', 'wheel', '--no-index', '-f', common_wheels)
virtualenv.system_site_packages = True
if os.name == 'posix':
user_filename = ".pydistutils.cfg"
else:
user_filename = "pydistutils.cfg"
user_cfg = os.path.join(os.path.expanduser('~'), user_filename)
script.scratch_path.join("bin").mkdir()
with open(user_cfg, "w") as cfg:
cfg.write(textwrap.dedent("""
[install]
prefix=%s""" % script.scratch_path))
result = script.pip(
'install', '--user', '--no-index',
'-f', data.find_links, '-f', common_wheels,
'requiresupper')
# Check that we are really installing a wheel
assert 'Running setup.py install for requiresupper' not in result.stdout
assert 'installed requiresupper' in result.stdout
def test_install_option_in_requirements_file(script, data, virtualenv):
"""
Test --install-option in requirements file overrides same option in cli
"""
script.scratch_path.join("home1").mkdir()
script.scratch_path.join("home2").mkdir()
script.scratch_path.join("reqs.txt").write(
textwrap.dedent(
"""simple --install-option='--home=%s'"""
% script.scratch_path.join("home1")))
result = script.pip(
'install', '--no-index', '-f', data.find_links, '-r',
script.scratch_path / 'reqs.txt',
'--install-option=--home=%s' % script.scratch_path.join("home2"),
expect_stderr=True)
package_dir = script.scratch / 'home1' / 'lib' / 'python' / 'simple'
assert package_dir in result.files_created
def test_constraints_not_installed_by_default(script, data):
script.scratch_path.join("c.txt").write("requiresupper")
result = script.pip(
'install', '--no-index', '-f', data.find_links, '-c',
script.scratch_path / 'c.txt', 'Upper')
assert 'requiresupper' not in result.stdout
def test_constraints_only_causes_error(script, data):
script.scratch_path.join("c.txt").write("requiresupper")
result = script.pip(
'install', '--no-index', '-f', data.find_links, '-c',
script.scratch_path / 'c.txt', expect_error=True)
assert 'installed requiresupper' not in result.stdout
def test_constraints_local_editable_install_causes_error(script, data):
script.scratch_path.join("constraints.txt").write(
"singlemodule==0.0.0"
)
to_install = data.src.join("singlemodule")
result = script.pip(
'install', '--no-index', '-f', data.find_links, '-c',
script.scratch_path / 'constraints.txt', '-e',
to_install, expect_error=True)
assert 'Could not satisfy constraints for' in result.stderr
def test_constraints_local_editable_install_pep518(script, data):
to_install = data.src.join("pep518-3.0")
script.pip('download', 'setuptools', 'wheel', '-d', data.packages)
script.pip(
'install', '--no-index', '-f', data.find_links, '-e', to_install)
def test_constraints_local_install_causes_error(script, data):
script.scratch_path.join("constraints.txt").write(
"singlemodule==0.0.0"
)
to_install = data.src.join("singlemodule")
result = script.pip(
'install', '--no-index', '-f', data.find_links, '-c',
script.scratch_path / 'constraints.txt',
to_install, expect_error=True)
assert 'Could not satisfy constraints for' in result.stderr
def test_constraints_constrain_to_local_editable(script, data):
to_install = data.src.join("singlemodule")
script.scratch_path.join("constraints.txt").write(
"-e %s#egg=singlemodule" % path_to_url(to_install)
)
result = script.pip(
'install', '--no-index', '-f', data.find_links, '-c',
script.scratch_path / 'constraints.txt', 'singlemodule')
assert 'Running setup.py develop for singlemodule' in result.stdout
def test_constraints_constrain_to_local(script, data):
to_install = data.src.join("singlemodule")
script.scratch_path.join("constraints.txt").write(
"%s#egg=singlemodule" % path_to_url(to_install)
)
result = script.pip(
'install', '--no-index', '-f', data.find_links, '-c',
script.scratch_path / 'constraints.txt', 'singlemodule')
assert 'Running setup.py install for singlemodule' in result.stdout
def test_constrained_to_url_install_same_url(script, data):
to_install = data.src.join("singlemodule")
constraints = path_to_url(to_install) + "#egg=singlemodule"
script.scratch_path.join("constraints.txt").write(constraints)
result = script.pip(
'install', '--no-index', '-f', data.find_links, '-c',
script.scratch_path / 'constraints.txt', to_install)
assert ('Running setup.py install for singlemodule'
in result.stdout), str(result)
@pytest.mark.network
def test_double_install_spurious_hash_mismatch(
script, tmpdir, data, common_wheels):
"""Make sure installing the same hashed sdist twice doesn't throw hash
mismatch errors.
Really, this is a test that we disable reads from the wheel cache in
hash-checking mode. Locally, implicitly built wheels of sdists obviously
have different hashes from the original archives. Comparing against those
causes spurious mismatch errors.
"""
# Install wheel package, otherwise, it won't try to build wheels.
script.pip('install', 'wheel', '--no-index', '-f', common_wheels)
with requirements_file('simple==1.0 --hash=sha256:393043e672415891885c9a2a'
'0929b1af95fb866d6ca016b42d2e6ce53619b653',
tmpdir) as reqs_file:
# Install a package (and build its wheel):
result = script.pip_install_local(
'--find-links', data.find_links, '-f', common_wheels,
'-r', reqs_file.abspath, expect_error=False)
assert 'Successfully installed simple-1.0' in str(result)
# Uninstall it:
script.pip('uninstall', '-y', 'simple', expect_error=False)
# Then install it again. We should not hit a hash mismatch, and the
# package should install happily.
result = script.pip_install_local(
'--find-links', data.find_links, '-f', common_wheels,
'-r', reqs_file.abspath, expect_error=False)
assert 'Successfully installed simple-1.0' in str(result)
def test_install_with_extras_from_constraints(script, data):
to_install = data.packages.join("LocalExtras")
script.scratch_path.join("constraints.txt").write(
"%s#egg=LocalExtras[bar]" % path_to_url(to_install)
)
result = script.pip_install_local(
'-c', script.scratch_path / 'constraints.txt', 'LocalExtras')
assert script.site_packages / 'simple' in result.files_created
def test_install_with_extras_from_install(script, data):
to_install = data.packages.join("LocalExtras")
script.scratch_path.join("constraints.txt").write(
"%s#egg=LocalExtras" % path_to_url(to_install)
)
result = script.pip_install_local(
'-c', script.scratch_path / 'constraints.txt', 'LocalExtras[baz]')
assert script.site_packages / 'singlemodule.py'in result.files_created
def test_install_with_extras_joined(script, data):
to_install = data.packages.join("LocalExtras")
script.scratch_path.join("constraints.txt").write(
"%s#egg=LocalExtras[bar]" % path_to_url(to_install)
)
result = script.pip_install_local(
'-c', script.scratch_path / 'constraints.txt', 'LocalExtras[baz]'
)
assert script.site_packages / 'simple' in result.files_created
assert script.site_packages / 'singlemodule.py'in result.files_created
def test_install_with_extras_editable_joined(script, data):
to_install = data.packages.join("LocalExtras")
script.scratch_path.join("constraints.txt").write(
"-e %s#egg=LocalExtras[bar]" % path_to_url(to_install)
)
result = script.pip_install_local(
'-c', script.scratch_path / 'constraints.txt', 'LocalExtras[baz]')
assert script.site_packages / 'simple' in result.files_created
assert script.site_packages / 'singlemodule.py'in result.files_created
def test_install_distribution_full_union(script, data):
to_install = data.packages.join("LocalExtras")
result = script.pip_install_local(
to_install, to_install + "[bar]", to_install + "[baz]")
assert 'Running setup.py install for LocalExtras' in result.stdout
assert script.site_packages / 'simple' in result.files_created
assert script.site_packages / 'singlemodule.py' in result.files_created
def test_install_distribution_duplicate_extras(script, data):
to_install = data.packages.join("LocalExtras")
package_name = to_install + "[bar]"
with pytest.raises(AssertionError):
result = script.pip_install_local(package_name, package_name)
assert 'Double requirement given: %s' % package_name in result.stderr
def test_install_distribution_union_with_constraints(script, data):
to_install = data.packages.join("LocalExtras")
script.scratch_path.join("constraints.txt").write(
"%s[bar]" % to_install)
result = script.pip_install_local(
'-c', script.scratch_path / 'constraints.txt', to_install + '[baz]')
assert 'Running setup.py install for LocalExtras' in result.stdout
assert script.site_packages / 'singlemodule.py' in result.files_created
def test_install_distribution_union_with_versions(script, data):
to_install_001 = data.packages.join("LocalExtras")
to_install_002 = data.packages.join("LocalExtras-0.0.2")
result = script.pip_install_local(
to_install_001 + "[bar]", to_install_002 + "[baz]")
assert ("Successfully installed LocalExtras-0.0.1 simple-3.0 " +
"singlemodule-0.0.1" in result.stdout)
@pytest.mark.xfail
def test_install_distribution_union_conflicting_extras(script, data):
# LocalExtras requires simple==1.0, LocalExtras[bar] requires simple==2.0;
# without a resolver, pip does not detect the conflict between simple==1.0
# and simple==2.0. Once a resolver is added, this conflict should be
# detected.
to_install = data.packages.join("LocalExtras-0.0.2")
result = script.pip_install_local(to_install, to_install + "[bar]",
expect_error=True)
assert 'installed' not in result.stdout
assert "Conflict" in result.stderr
def test_install_unsupported_wheel_link_with_marker(script):
script.scratch_path.join("with-marker.txt").write(
textwrap.dedent("""\
%s; %s
""") %
(
'https://github.com/a/b/c/asdf-1.5.2-cp27-none-xyz.whl',
'sys_platform == "xyz"'
)
)
result = script.pip(
'install', '-r', script.scratch_path / 'with-marker.txt',
expect_error=False,
)
assert ("Ignoring asdf: markers 'sys_platform == \"xyz\"' don't match "
"your environment") in result.stdout
assert len(result.files_created) == 0
def test_install_unsupported_wheel_file(script, data):
# Trying to install a local wheel with an incompatible version/type
# should fail.
script.scratch_path.join("wheel-file.txt").write(textwrap.dedent("""\
%s
""" % data.packages.join("simple.dist-0.1-py1-none-invalid.whl")))
result = script.pip(
'install', '-r', script.scratch_path / 'wheel-file.txt',
expect_error=True,
expect_stderr=True,
)
assert ("simple.dist-0.1-py1-none-invalid.whl is not a supported " +
"wheel on this platform" in result.stderr)
assert len(result.files_created) == 0
def test_install_options_local_to_package(script, data):
"""Make sure --install-options does not leak across packages.
A requirements.txt file can have per-package --install-options; these
should be isolated to just the package instead of leaking to subsequent
packages. This needs to be a functional test because the bug was around
cross-contamination at install time.
"""
home_simple = script.scratch_path.join("for-simple")
test_simple = script.scratch.join("for-simple")
home_simple.mkdir()
reqs_file = script.scratch_path.join("reqs.txt")
reqs_file.write(
textwrap.dedent("""
simple --install-option='--home=%s'
INITools
""" % home_simple))
result = script.pip(
'install',
'--no-index', '-f', data.find_links,
'-r', reqs_file,
expect_error=True,
)
simple = test_simple / 'lib' / 'python' / 'simple'
bad = test_simple / 'lib' / 'python' / 'initools'
good = script.site_packages / 'initools'
assert simple in result.files_created
assert result.files_created[simple].dir
assert bad not in result.files_created
assert good in result.files_created
assert result.files_created[good].dir