mirror of
https://github.com/pypa/pip
synced 2023-12-13 21:30:23 +01:00
426 lines
14 KiB
Python
426 lines
14 KiB
Python
import itertools
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import os
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import sys
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import textwrap
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import pytest
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from tests.lib import pyversion # noqa: F401
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from tests.lib import PipTestEnvironment, ResolverVariant, TestData, assert_all_changes
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from tests.lib.local_repos import local_checkout
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from tests.lib.path import Path
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from tests.lib.wheel import make_wheel
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@pytest.mark.network
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def test_no_upgrade_unless_requested(script: PipTestEnvironment) -> None:
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"""
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No upgrade if not specifically requested.
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"""
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script.pip("install", "INITools==0.1")
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result = script.pip("install", "INITools")
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assert (
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not result.files_created
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), "pip install INITools upgraded when it should not have"
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def test_invalid_upgrade_strategy_causes_error(script: PipTestEnvironment) -> None:
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"""
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It errors out when the upgrade-strategy is an invalid/unrecognised one
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"""
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result = script.pip_install_local(
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"--upgrade", "--upgrade-strategy=bazinga", "simple", expect_error=True
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)
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assert result.returncode
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assert "invalid choice" in result.stderr
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@pytest.mark.usefixtures("with_wheel")
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def test_only_if_needed_does_not_upgrade_deps_when_satisfied(
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script: PipTestEnvironment, resolver_variant: ResolverVariant
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) -> None:
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"""
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It doesn't upgrade a dependency if it already satisfies the requirements.
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"""
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script.pip_install_local("simple==2.0")
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result = script.pip_install_local(
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"--upgrade", "--upgrade-strategy=only-if-needed", "require_simple"
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)
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assert (
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script.site_packages / "require_simple-1.0.dist-info"
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) not in result.files_deleted, "should have installed require_simple==1.0"
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assert (
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script.site_packages / "simple-2.0.dist-info"
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) not in result.files_deleted, "should not have uninstalled simple==2.0"
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msg = "Requirement already satisfied"
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if resolver_variant == "legacy":
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msg = msg + ", skipping upgrade: simple"
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assert (
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msg in result.stdout
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), "did not print correct message for not-upgraded requirement"
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@pytest.mark.usefixtures("with_wheel")
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def test_only_if_needed_does_upgrade_deps_when_no_longer_satisfied(
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script: PipTestEnvironment,
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) -> None:
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"""
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It does upgrade a dependency if it no longer satisfies the requirements.
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"""
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script.pip_install_local("simple==1.0")
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result = script.pip_install_local(
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"--upgrade", "--upgrade-strategy=only-if-needed", "require_simple"
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)
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assert (
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script.site_packages / "require_simple-1.0.dist-info"
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) not in result.files_deleted, "should have installed require_simple==1.0"
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expected = script.site_packages / "simple-3.0.dist-info"
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result.did_create(expected, message="should have installed simple==3.0")
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expected = script.site_packages / "simple-1.0.dist-info"
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assert expected in result.files_deleted, "should have uninstalled simple==1.0"
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@pytest.mark.usefixtures("with_wheel")
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def test_eager_does_upgrade_dependencies_when_currently_satisfied(
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script: PipTestEnvironment,
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) -> None:
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"""
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It does upgrade a dependency even if it already satisfies the requirements.
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"""
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script.pip_install_local("simple==2.0")
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result = script.pip_install_local(
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"--upgrade", "--upgrade-strategy=eager", "require_simple"
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)
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assert (
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script.site_packages / "require_simple-1.0.dist-info"
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) not in result.files_deleted, "should have installed require_simple==1.0"
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assert (
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script.site_packages / "simple-2.0.dist-info"
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) in result.files_deleted, "should have uninstalled simple==2.0"
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@pytest.mark.usefixtures("with_wheel")
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def test_eager_does_upgrade_dependencies_when_no_longer_satisfied(
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script: PipTestEnvironment,
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) -> None:
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"""
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It does upgrade a dependency if it no longer satisfies the requirements.
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"""
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script.pip_install_local("simple==1.0")
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result = script.pip_install_local(
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"--upgrade", "--upgrade-strategy=eager", "require_simple"
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)
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assert (
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script.site_packages / "require_simple-1.0.dist-info"
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) not in result.files_deleted, "should have installed require_simple==1.0"
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result.did_create(
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script.site_packages / "simple-3.0.dist-info",
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message="should have installed simple==3.0",
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)
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assert (
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script.site_packages / "simple-1.0.dist-info" in result.files_deleted
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), "should have uninstalled simple==1.0"
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@pytest.mark.network
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@pytest.mark.usefixtures("with_wheel")
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def test_upgrade_to_specific_version(script: PipTestEnvironment) -> None:
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"""
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It does upgrade to specific version requested.
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"""
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script.pip("install", "INITools==0.1")
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result = script.pip("install", "INITools==0.2")
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assert result.files_created, "pip install with specific version did not upgrade"
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assert script.site_packages / "INITools-0.1.dist-info" in result.files_deleted
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result.did_create(script.site_packages / "INITools-0.2.dist-info")
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@pytest.mark.network
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@pytest.mark.usefixtures("with_wheel")
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def test_upgrade_if_requested(script: PipTestEnvironment) -> None:
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"""
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And it does upgrade if requested.
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"""
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script.pip("install", "INITools==0.1")
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result = script.pip("install", "--upgrade", "INITools")
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assert result.files_created, "pip install --upgrade did not upgrade"
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result.did_not_create(script.site_packages / "INITools-0.1.dist-info")
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def test_upgrade_with_newest_already_installed(
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script: PipTestEnvironment, data: TestData, resolver_variant: ResolverVariant
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) -> None:
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"""
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If the newest version of a package is already installed, the package should
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not be reinstalled and the user should be informed.
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"""
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script.pip("install", "-f", data.find_links, "--no-index", "simple")
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result = script.pip(
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"install", "--upgrade", "-f", data.find_links, "--no-index", "simple"
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)
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assert not result.files_created, "simple upgraded when it should not have"
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if resolver_variant == "2020-resolver":
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msg = "Requirement already satisfied"
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else:
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msg = "already up-to-date"
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assert msg in result.stdout, result.stdout
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@pytest.mark.network
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def test_upgrade_force_reinstall_newest(script: PipTestEnvironment) -> None:
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"""
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Force reinstallation of a package even if it is already at its newest
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version if --force-reinstall is supplied.
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"""
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result = script.pip("install", "INITools")
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result.did_create(script.site_packages / "initools")
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result2 = script.pip("install", "--upgrade", "--force-reinstall", "INITools")
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assert result2.files_updated, "upgrade to INITools 0.3 failed"
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result3 = script.pip("uninstall", "initools", "-y")
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assert_all_changes(result, result3, [script.venv / "build", "cache"])
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@pytest.mark.network
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def test_uninstall_before_upgrade(script: PipTestEnvironment) -> None:
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"""
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Automatic uninstall-before-upgrade.
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"""
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result = script.pip("install", "INITools==0.2")
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result.did_create(script.site_packages / "initools")
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result2 = script.pip("install", "INITools==0.3")
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assert result2.files_created, "upgrade to INITools 0.3 failed"
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result3 = script.pip("uninstall", "initools", "-y")
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assert_all_changes(result, result3, [script.venv / "build", "cache"])
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@pytest.mark.network
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def test_uninstall_before_upgrade_from_url(script: PipTestEnvironment) -> None:
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"""
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Automatic uninstall-before-upgrade from URL.
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"""
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result = script.pip("install", "INITools==0.2")
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result.did_create(script.site_packages / "initools")
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result2 = script.pip(
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"install",
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"https://files.pythonhosted.org/packages/source/I/INITools/INITools-"
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"0.3.tar.gz",
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)
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assert result2.files_created, "upgrade to INITools 0.3 failed"
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result3 = script.pip("uninstall", "initools", "-y")
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assert_all_changes(result, result3, [script.venv / "build", "cache"])
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@pytest.mark.network
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def test_upgrade_to_same_version_from_url(script: PipTestEnvironment) -> None:
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"""
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When installing from a URL the same version that is already installed, no
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need to uninstall and reinstall if --upgrade is not specified.
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"""
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result = script.pip("install", "INITools==0.3")
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result.did_create(script.site_packages / "initools")
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result2 = script.pip(
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"install",
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"https://files.pythonhosted.org/packages/source/I/INITools/INITools-"
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"0.3.tar.gz",
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)
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assert (
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script.site_packages / "initools" not in result2.files_updated
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), "INITools 0.3 reinstalled same version"
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result3 = script.pip("uninstall", "initools", "-y")
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assert_all_changes(result, result3, [script.venv / "build", "cache"])
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@pytest.mark.network
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def test_upgrade_from_reqs_file(script: PipTestEnvironment) -> None:
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"""
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Upgrade from a requirements file.
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"""
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script.scratch_path.joinpath("test-req.txt").write_text(
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textwrap.dedent(
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"""\
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PyLogo<0.4
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# and something else to test out:
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INITools==0.3
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"""
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)
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)
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install_result = script.pip("install", "-r", script.scratch_path / "test-req.txt")
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script.scratch_path.joinpath("test-req.txt").write_text(
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textwrap.dedent(
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"""\
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PyLogo
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# and something else to test out:
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INITools
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"""
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)
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)
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script.pip("install", "--upgrade", "-r", script.scratch_path / "test-req.txt")
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uninstall_result = script.pip(
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"uninstall", "-r", script.scratch_path / "test-req.txt", "-y"
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)
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assert_all_changes(
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install_result,
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uninstall_result,
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[script.venv / "build", "cache", script.scratch / "test-req.txt"],
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)
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def test_uninstall_rollback(script: PipTestEnvironment, data: TestData) -> None:
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"""
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Test uninstall-rollback (using test package with a setup.py
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crafted to fail on install).
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"""
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result = script.pip("install", "-f", data.find_links, "--no-index", "broken==0.1")
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result.did_create(script.site_packages / "broken.py")
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result2 = script.pip(
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"install",
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"-f",
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data.find_links,
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"--no-index",
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"broken===0.2broken",
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expect_error=True,
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)
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assert result2.returncode == 1, str(result2)
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assert (
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script.run("python", "-c", "import broken; print(broken.VERSION)").stdout
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== "0.1\n"
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)
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assert_all_changes(
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result.files_after,
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result2,
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[script.venv / "build"],
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)
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@pytest.mark.network
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@pytest.mark.usefixtures("with_wheel")
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def test_should_not_install_always_from_cache(script: PipTestEnvironment) -> None:
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"""
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If there is an old cached package, pip should download the newer version
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Related to issue #175
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"""
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script.pip("install", "INITools==0.2")
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script.pip("uninstall", "-y", "INITools")
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result = script.pip("install", "INITools==0.1")
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result.did_not_create(script.site_packages / "INITools-0.2.dist-info")
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result.did_create(script.site_packages / "INITools-0.1.dist-info")
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@pytest.mark.network
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@pytest.mark.usefixtures("with_wheel")
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def test_install_with_ignoreinstalled_requested(script: PipTestEnvironment) -> None:
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"""
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Test old conflicting package is completely ignored
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"""
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script.pip("install", "INITools==0.1")
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result = script.pip("install", "-I", "INITools==0.3")
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assert result.files_created, "pip install -I did not install"
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# both the old and new metadata should be present.
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assert os.path.exists(script.site_packages_path / "INITools-0.1.dist-info")
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assert os.path.exists(script.site_packages_path / "INITools-0.3.dist-info")
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@pytest.mark.network
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def test_upgrade_vcs_req_with_no_dists_found(
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script: PipTestEnvironment, tmpdir: Path
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) -> None:
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"""It can upgrade a VCS requirement that has no distributions otherwise."""
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req = "{checkout}#egg=pip-test-package".format(
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checkout=local_checkout(
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"git+https://github.com/pypa/pip-test-package.git",
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tmpdir,
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)
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)
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script.pip("install", req)
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result = script.pip("install", "-U", req)
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assert not result.returncode
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@pytest.mark.network
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def test_upgrade_vcs_req_with_dist_found(script: PipTestEnvironment) -> None:
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"""It can upgrade a VCS requirement that has distributions on the index."""
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# TODO(pnasrat) Using local_checkout fails on windows - oddness with the
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# test path urls/git.
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req = "{url}#egg=pretend".format(
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url=(
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"git+https://github.com/alex/pretend@e7f26ad7dbcb4a02a4995aade4"
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"743aad47656b27"
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),
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)
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script.pip("install", req, expect_stderr=True)
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result = script.pip("install", "-U", req, expect_stderr=True)
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assert "pypi.org" not in result.stdout, result.stdout
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@pytest.mark.parametrize(
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"req1, req2",
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list(
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itertools.product(
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["foo.bar", "foo_bar", "foo-bar"],
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["foo.bar", "foo_bar", "foo-bar"],
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)
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),
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)
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def test_install_find_existing_package_canonicalize(
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script: PipTestEnvironment, req1: str, req2: str
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) -> None:
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"""Ensure an already-installed dist is found no matter how the dist name
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was normalized on installation. (pypa/pip#8645)
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"""
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# Create and install a package that's not available in the later stage.
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req_container = script.scratch_path.joinpath("foo-bar")
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req_container.mkdir()
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req_path = make_wheel("foo_bar", "1.0").save_to_dir(req_container)
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script.pip("install", "--no-index", req_path)
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# Depend on the previously installed, but now unavailable package.
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pkg_container = script.scratch_path.joinpath("pkg")
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pkg_container.mkdir()
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make_wheel(
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"pkg",
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"1.0",
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metadata_updates={"Requires-Dist": req2},
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).save_to_dir(pkg_container)
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# Ensure the previously installed package can be correctly used to match
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# the dependency.
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result = script.pip(
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"install",
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"--no-index",
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"--find-links",
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pkg_container,
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"pkg",
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)
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satisfied_message = f"Requirement already satisfied: {req2}"
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assert satisfied_message in result.stdout, str(result)
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@pytest.mark.network
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@pytest.mark.skipif(sys.platform != "win32", reason="Windows-only test")
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def test_modifying_pip_presents_error(script: PipTestEnvironment) -> None:
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result = script.pip(
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"install", "pip", "--force-reinstall", use_module=False, expect_error=True
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)
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assert "python.exe" in result.stderr or "python.EXE" in result.stderr, str(result)
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assert " -m " in result.stderr, str(result)
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