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|
# Copyright 2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
import argparse
from typing import Optional, Callable # , Self
from portage.const import (
SUPPORTED_GENTOO_BINPKG_FORMATS,
BASH_BINARY,
BINREPOS_CONF_FILE,
)
from portage.tests.resolver.ResolverPlayground import ResolverPlayground
from portage.cache.mappings import Mapping
from portage.tests.util.test_socks5 import AsyncHTTPServer
from portage import os
from portage import shutil
from portage.util.futures import asyncio
from portage.tests import cnf_bindir, cnf_sbindir
from portage.process import find_binary
from portage.util import find_updated_config_files, shlex_split
import portage
import pytest
_INSTALL_SOMETHING = """
S="${WORKDIR}"
pkg_pretend() {
einfo "called pkg_pretend for $CATEGORY/$PF"
}
src_install() {
einfo "installing something..."
insinto /usr/lib/${P}
echo "blah blah blah" > "${T}"/regular-file
doins "${T}"/regular-file
dosym regular-file /usr/lib/${P}/symlink || die
# Test CONFIG_PROTECT
insinto /etc
newins "${T}"/regular-file ${PN}-${SLOT%/*}
# Test code for bug #381629, using a copyright symbol encoded with latin-1.
# We use $(printf "\\xa9") rather than $'\\xa9', since printf apparently
# works in any case, while $'\\xa9' transforms to \\xef\\xbf\\xbd under
# some conditions. TODO: Find out why it transforms to \\xef\\xbf\\xbd when
# running tests for Python 3.2 (even though it's bash that is ultimately
# responsible for performing the transformation).
local latin_1_dir=/usr/lib/${P}/latin-1-$(printf "\\xa9")-directory
insinto "${latin_1_dir}"
echo "blah blah blah" > "${T}"/latin-1-$(printf "\\xa9")-regular-file || die
doins "${T}"/latin-1-$(printf "\\xa9")-regular-file
dosym latin-1-$(printf "\\xa9")-regular-file ${latin_1_dir}/latin-1-$(printf "\\xa9")-symlink || die
call_has_and_best_version
}
pkg_config() {
einfo "called pkg_config for $CATEGORY/$PF"
}
pkg_info() {
einfo "called pkg_info for $CATEGORY/$PF"
}
pkg_preinst() {
if ! ___eapi_best_version_and_has_version_support_-b_-d_-r; then
# The BROOT variable is unset during pkg_* phases for EAPI 7,
# therefore best/has_version -b is expected to fail if we attempt
# to call it for EAPI 7 here.
call_has_and_best_version
fi
}
call_has_and_best_version() {
local root_arg
if ___eapi_best_version_and_has_version_support_-b_-d_-r; then
root_arg="-b"
else
root_arg="--host-root"
fi
einfo "called ${EBUILD_PHASE_FUNC} for $CATEGORY/$PF"
einfo "EPREFIX=${EPREFIX}"
einfo "PORTAGE_OVERRIDE_EPREFIX=${PORTAGE_OVERRIDE_EPREFIX}"
einfo "ROOT=${ROOT}"
einfo "EROOT=${EROOT}"
einfo "SYSROOT=${SYSROOT}"
einfo "ESYSROOT=${ESYSROOT}"
einfo "BROOT=${BROOT}"
# Test that has_version and best_version work correctly with
# prefix (involves internal ROOT -> EROOT calculation in order
# to support ROOT override via the environment with EAPIs 3
# and later which support prefix).
if has_version $CATEGORY/$PN:$SLOT ; then
einfo "has_version detects an installed instance of $CATEGORY/$PN:$SLOT"
einfo "best_version reports that the installed instance is $(best_version $CATEGORY/$PN:$SLOT)"
else
einfo "has_version does not detect an installed instance of $CATEGORY/$PN:$SLOT"
fi
if [[ ${EPREFIX} != ${PORTAGE_OVERRIDE_EPREFIX} ]] ; then
if has_version ${root_arg} $CATEGORY/$PN:$SLOT ; then
einfo "has_version ${root_arg} detects an installed instance of $CATEGORY/$PN:$SLOT"
einfo "best_version ${root_arg} reports that the installed instance is $(best_version ${root_arg} $CATEGORY/$PN:$SLOT)"
else
einfo "has_version ${root_arg} does not detect an installed instance of $CATEGORY/$PN:$SLOT"
fi
fi
}
"""
_AVAILABLE_EBUILDS = {
"dev-libs/A-1": {
"EAPI": "5",
"IUSE": "+flag",
"KEYWORDS": "x86",
"LICENSE": "GPL-2",
"MISC_CONTENT": _INSTALL_SOMETHING,
"RDEPEND": "flag? ( dev-libs/B[flag] )",
},
"dev-libs/B-1": {
"EAPI": "5",
"IUSE": "+flag",
"KEYWORDS": "x86",
"LICENSE": "GPL-2",
"MISC_CONTENT": _INSTALL_SOMETHING,
},
"dev-libs/C-1": {
"EAPI": "7",
"KEYWORDS": "~x86",
"RDEPEND": "dev-libs/D[flag]",
"MISC_CONTENT": _INSTALL_SOMETHING,
},
"dev-libs/D-1": {
"EAPI": "7",
"KEYWORDS": "~x86",
"IUSE": "flag",
"MISC_CONTENT": _INSTALL_SOMETHING,
},
"virtual/foo-0": {
"EAPI": "5",
"KEYWORDS": "x86",
"LICENSE": "GPL-2",
},
}
_INSTALLED_EBUILDS = {
"dev-libs/A-1": {
"EAPI": "5",
"IUSE": "+flag",
"KEYWORDS": "x86",
"LICENSE": "GPL-2",
"RDEPEND": "flag? ( dev-libs/B[flag] )",
"USE": "flag",
},
"dev-libs/B-1": {
"EAPI": "5",
"IUSE": "+flag",
"KEYWORDS": "x86",
"LICENSE": "GPL-2",
"USE": "flag",
},
"dev-libs/depclean-me-1": {
"EAPI": "5",
"IUSE": "",
"KEYWORDS": "x86",
"LICENSE": "GPL-2",
"USE": "",
},
"app-misc/depclean-me-1": {
"EAPI": "5",
"IUSE": "",
"KEYWORDS": "x86",
"LICENSE": "GPL-2",
"RDEPEND": "dev-libs/depclean-me",
"USE": "",
},
}
_BASELINE_COMMAND_SEQUENCE = [
"emerge -1 dev-libs/A -v dev-libs/B",
"emerge with quickpkg direct",
"env-update",
"portageq envvar",
"etc-update",
"dispatch-conf",
"emerge --version",
"emerge --info",
"emerge --info --verbose",
"emerge --list-sets",
"emerge --check-news",
"emerge --regen/--metadata",
"misc package operations",
"binhost emerge",
]
PORTAGE_PYTHON = portage._python_interpreter
NOOP = lambda: ...
class PortageCommand:
"""A class that represents a baseline test case command,
including handling of environment and one-use arguments.
"""
command = None
name = None
def __init__(
self,
*args: tuple[str],
env_mod: Optional[dict[str, str]] = None,
preparation: Optional[Callable[[], None]] = None,
post_command: Optional[Callable[[], None]] = None,
) -> None:
self.args = args
self.env_mod = env_mod
self.preparation = preparation
self.post_command = post_command
def __iter__(self):
"""To be able to call a function with ``*command`` as argument."""
yield self
@property
def env(self) -> dict[str, str]:
"""This property returns the environment intended to be used
with the current test command, including possible modifications.
"""
try:
base_environment = self.base_environment
except AttributeError:
base_environment = {}
else:
base_environment = base_environment.copy()
if self.env_mod:
base_environment.update(self.env_mod)
return base_environment
def __call__(self): # -> Self:
if self.preparation:
self.preparation()
try:
tuple_command = self.command + self.args
except TypeError:
# In case self.command is a string:
tuple_command = (self.command,) + self.args
return tuple_command
def __bool__(self) -> bool:
return bool(self.command)
def check_command_result(self) -> None:
if self.post_command:
self.post_command()
class PortageCommandSequence:
def __init__(self, *commands):
self.commands = commands
def __iter__(self):
yield from self.commands
class Emerge(PortageCommand):
name = "emerge"
command = (PORTAGE_PYTHON, "-b", "-Wd", os.path.join(str(cnf_bindir), name))
class Noop(PortageCommand):
name = "No-op"
class EnvUpdate(PortageCommand):
name = "env-update"
command = (PORTAGE_PYTHON, "-b", "-Wd", os.path.join(str(cnf_sbindir), name))
class DispatchConf(PortageCommand):
name = "dispatch-conf"
command = (
PORTAGE_PYTHON,
"-b",
"-Wd",
os.path.join(str(cnf_sbindir), name),
)
class Ebuild(PortageCommand):
name = "ebuild"
command = (PORTAGE_PYTHON, "-b", "-Wd", os.path.join(str(cnf_bindir), name))
class Egencache(PortageCommand):
name = "egencache"
command = (
PORTAGE_PYTHON,
"-b",
"-Wd",
os.path.join(str(cnf_bindir), name),
)
class Emaint(PortageCommand):
name = "emaint"
command = (PORTAGE_PYTHON, "-b", "-Wd", os.path.join(str(cnf_sbindir), name))
class EtcUpdate(PortageCommand):
name = "etc-update"
command = (BASH_BINARY, os.path.join(str(cnf_sbindir), name))
class Fixpackages(PortageCommand):
name = "fixpackages"
command = (
PORTAGE_PYTHON,
"-b",
"-Wd",
os.path.join(str(cnf_sbindir), name),
)
class Portageq(PortageCommand):
name = "portageq"
command = (
PORTAGE_PYTHON,
"-b",
"-Wd",
os.path.join(str(cnf_bindir), name),
)
class Quickpkg(PortageCommand):
name = "quickpkg"
command = (
PORTAGE_PYTHON,
"-b",
"-Wd",
os.path.join(str(cnf_bindir), name),
)
class Regenworld(PortageCommand):
name = "regenworld"
command = (
PORTAGE_PYTHON,
"-b",
"-Wd",
os.path.join(str(cnf_sbindir), name),
)
def pytest_generate_tests(metafunc):
if "baseline_command" in metafunc.fixturenames:
metafunc.parametrize(
"baseline_command", _BASELINE_COMMAND_SEQUENCE, indirect=True
)
def _have_python_xml():
try:
__import__("xml.etree.ElementTree")
__import__("xml.parsers.expat").parsers.expat.ExpatError
except (AttributeError, ImportError):
return False
return True
def _check_foo_file(pkgdir, filename, must_exist) -> None:
assert (
os.path.exists(os.path.join(pkgdir, "virtual", "foo", filename)) == must_exist
)
def _check_number_of_protected_files(must_have, eroot, config_protect) -> None:
assert must_have == len(
list(find_updated_config_files(eroot, shlex_split(config_protect)))
)
class BinhostContentMap(Mapping):
def __init__(self, remote_path, local_path):
self._remote_path = remote_path
self._local_path = local_path
def __getitem__(self, request_path):
safe_path = os.path.normpath(request_path)
if not safe_path.startswith(self._remote_path + "/"):
raise KeyError(request_path)
local_path = os.path.join(
self._local_path, safe_path[len(self._remote_path) + 1 :]
)
try:
with open(local_path, "rb") as f:
return f.read()
except OSError:
raise KeyError(request_path)
@pytest.fixture(scope="module")
def async_loop():
yield asyncio._wrap_loop()
@pytest.fixture(params=SUPPORTED_GENTOO_BINPKG_FORMATS, scope="function")
def playground(request, tmp_path_factory):
"""Fixture that provides instances of ``ResolverPlayground``
each one with one supported value for ``BINPKG_FORMAT``."""
binpkg_format = request.param
playground = ResolverPlayground(
ebuilds=_AVAILABLE_EBUILDS,
installed=_INSTALLED_EBUILDS,
debug=False,
user_config={
"make.conf": (f'BINPKG_FORMAT="{binpkg_format}"',),
},
eprefix=str(tmp_path_factory.mktemp("eprefix", numbered=True)),
)
yield playground
playground.cleanup()
@pytest.fixture()
def binhost(playground, async_loop):
settings = playground.settings
eprefix = settings["EPREFIX"]
binhost_dir = os.path.join(eprefix, "binhost")
binhost_address = "127.0.0.1"
binhost_remote_path = "/binhost"
binhost_server = AsyncHTTPServer(
binhost_address, BinhostContentMap(binhost_remote_path, binhost_dir), async_loop
).__enter__()
binhost_uri = "http://{address}:{port}{path}".format(
address=binhost_address,
port=binhost_server.server_port,
path=binhost_remote_path,
)
yield {"server": binhost_server, "uri": binhost_uri, "dir": binhost_dir}
binhost_server.__exit__(None, None, None)
@pytest.fixture()
def _generate_all_baseline_commands(playground, binhost):
"""This fixture generates all the commands that
``test_portage_baseline`` will use.
But, don't use this fixture directly, instead, use the
``baseline_command`` fixture. That improves performance a bit due to
pytest caching (?).
.. note::
To add a new command, define it in the local ``test_commands``
dict, if not yet defined, and add its key at the correct position
in the ``_BASELINE_COMMAND_SEQUENCE`` list.
"""
settings = playground.settings
eprefix = settings["EPREFIX"]
eroot = settings["EROOT"]
trees = playground.trees
pkgdir = playground.pkgdir
portdb = trees[eroot]["porttree"].dbapi
test_repo_location = settings.repositories["test_repo"].location
var_cache_edb = os.path.join(eprefix, "var", "cache", "edb")
cachedir = os.path.join(var_cache_edb, "dep")
cachedir_pregen = os.path.join(test_repo_location, "metadata", "md5-cache")
rm_binary = find_binary("rm")
assert rm_binary is not None, "rm command not found"
rm_cmd = (rm_binary,)
egencache_extra_args = []
if _have_python_xml():
egencache_extra_args.append("--update-use-local-desc")
test_ebuild = portdb.findname("dev-libs/A-1")
assert test_ebuild is not None
cross_prefix = os.path.join(eprefix, "cross_prefix")
cross_root = os.path.join(eprefix, "cross_root")
cross_eroot = os.path.join(cross_root, eprefix.lstrip(os.sep))
binpkg_format = settings.get("BINPKG_FORMAT", SUPPORTED_GENTOO_BINPKG_FORMATS[0])
assert binpkg_format in ("xpak", "gpkg")
if binpkg_format == "xpak":
foo_filename = "foo-0-1.xpak"
elif binpkg_format == "gpkg":
foo_filename = "foo-0-1.gpkg.tar"
test_commands = {}
if hasattr(argparse.ArgumentParser, "parse_intermixed_args"):
parse_intermixed_command = Emerge(
"--oneshot",
"dev-libs/A",
"-v",
"dev-libs/A",
)
else:
parse_intermixed_command = Noop()
test_commands["emerge -1 dev-libs/A -v dev-libs/B"] = parse_intermixed_command
quickpkg_direct_seq = [
Emerge(
"--usepkgonly",
"--root",
cross_root,
"--quickpkg-direct=y",
"--quickpkg-direct-root",
"/",
"dev-libs/A",
),
# v needs ^
Emerge(
"--usepkgonly",
"--quickpkg-direct=y",
"--quickpkg-direct-root",
cross_root,
"dev-libs/A",
),
]
test_commands["emerge with quickpkg direct"] = PortageCommandSequence(
*quickpkg_direct_seq
)
test_commands["env-update"] = EnvUpdate()
test_commands["portageq envvar"] = Portageq(
"envvar",
"-v",
"CONFIG_PROTECT",
"EROOT",
"PORTAGE_CONFIGROOT",
"PORTAGE_TMPDIR",
"USERLAND",
)
test_commands["etc-update"] = EtcUpdate()
test_commands["dispatch-conf"] = DispatchConf()
test_commands["emerge --version"] = Emerge("--version")
test_commands["emerge --info"] = Emerge("--info")
test_commands["emerge --info --verbose"] = Emerge("--info", "--verbose")
test_commands["emerge --list-sets"] = Emerge("--list-sets")
test_commands["emerge --check-news"] = Emerge("--check-news")
def _rm_cachedir():
shutil.rmtree(cachedir)
def _rm_cachedir_and_pregen():
_rm_cachedir()
shutil.rmtree(cachedir_pregen)
regen_seq = [
Emerge("--regen", preparation=_rm_cachedir_and_pregen),
Emerge(
"--regen",
env_mod={"FEATURES": "metadata-transfer"},
preparation=_rm_cachedir,
),
Egencache(
"--repo",
"test_repo",
"--repositories-configuration",
playground.settings.repositories.config_string(),
"--update",
*egencache_extra_args,
preparation=_rm_cachedir,
),
Emerge("--metadata", env_mod={"FEATURES": "metadata-transfer"}),
Emerge(
"--metadata",
env_mod={"FEATURES": "metadata-transfer"},
preparation=_rm_cachedir,
),
Emerge("--metadata"),
Emerge("--oneshot", "virtual/foo", preparation=_rm_cachedir),
Emerge(
"--unmerge",
"virtual/foo",
env_mod={"FEATURES": "unmerge-backup"},
preparation=lambda: _check_foo_file(pkgdir, foo_filename, must_exist=False),
),
Emerge(
"--pretend",
"dev-libs/A",
preparation=lambda: _check_foo_file(pkgdir, foo_filename, must_exist=True),
),
]
test_commands["emerge --regen/--metadata"] = PortageCommandSequence(*regen_seq)
abcd_seq = [
Ebuild(
test_ebuild,
"manifest",
"clean",
"package",
"merge",
),
Emerge(
"--pretend",
"--tree",
"--complete-graph",
"dev-libs/A",
),
Emerge("-p", "dev-libs/B"),
Emerge(
"-p",
"--newrepo",
"dev-libs/B",
),
Emerge("-B", "dev-libs/B"),
Emerge(
"--oneshot",
"--usepkg",
"dev-libs/B",
),
# trigger clean prior to pkg_pretend as in bug #390711
Ebuild(test_ebuild, "unpack"),
Emerge("--oneshot", "dev-libs/A"),
Emerge("--noreplace", "dev-libs/A"),
Emerge(
"--config",
"dev-libs/A",
),
Emerge(
"--info",
"dev-libs/A",
"dev-libs/B",
),
Emerge(
"--pretend",
"--depclean",
"--verbose",
"dev-libs/B",
),
Emerge("--pretend", "--depclean"),
Emerge(
"--depclean",
),
# Test bug #523684, where a file renamed or removed by the
# admin forces replacement files to be merged with config
# protection.
Quickpkg(
"--include-config",
"y",
"dev-libs/A",
post_command=lambda: _check_number_of_protected_files(
0, eroot, settings["CONFIG_PROTECT"]
),
),
Emerge("--noreplace", "dev-libs/A"),
Emerge(
"--usepkgonly",
"dev-libs/A",
preparation=lambda: os.unlink(os.path.join(eprefix, "etc", "A-0")),
post_command=lambda: _check_number_of_protected_files(
1, eroot, settings["CONFIG_PROTECT"]
),
),
Emaint("--check", "all"),
Emaint("--fix", "all"),
Fixpackages(),
Regenworld(),
Portageq(
"match",
eroot,
"dev-libs/A",
),
Portageq(
"best_visible",
eroot,
"dev-libs/A",
),
Portageq(
"best_visible",
eroot,
"binary",
"dev-libs/A",
),
Portageq(
"contents",
eroot,
"dev-libs/A-1",
),
Portageq(
"metadata",
eroot,
"ebuild",
"dev-libs/A-1",
"EAPI",
"IUSE",
"RDEPEND",
),
Portageq(
"metadata",
eroot,
"binary",
"dev-libs/A-1",
"EAPI",
"USE",
"RDEPEND",
),
Portageq(
"metadata",
eroot,
"installed",
"dev-libs/A-1",
"EAPI",
"USE",
"RDEPEND",
),
Portageq(
"owners",
eroot,
eroot + "usr",
),
Emerge("-p", eroot + "usr"),
Emerge(
"-p",
"--unmerge",
"-q",
eroot + "usr",
),
Emerge(
"--unmerge",
"--quiet",
"dev-libs/A",
),
Emerge(
"-C",
"--quiet",
"dev-libs/B",
),
# autounmask:
# If EMERGE_DEFAULT_OPTS contains --autounmask=n, then --autounmask
# must be specified with --autounmask-continue.
Emerge(
"--autounmask",
"--autounmask-continue",
"dev-libs/C",
env_mod={"EMERGE_DEFAULT_OPTS": "--autounmask=n"},
),
# Verify that the above --autounmask-continue command caused
# USE=flag to be applied correctly to dev-libs/D.
Portageq(
"match",
eroot,
"dev-libs/D[flag]",
),
]
test_commands["misc package operations"] = PortageCommandSequence(*abcd_seq)
cross_prefix_seq = [
# Test cross-prefix usage, including chpathtool for binpkgs.
# EAPI 7
Emerge("dev-libs/C", env_mod={"EPREFIX": cross_prefix}),
Portageq(
"has_version", cross_prefix, "dev-libs/C", env_mod={"EPREFIX": cross_prefix}
),
Portageq(
"has_version", cross_prefix, "dev-libs/D", env_mod={"EPREFIX": cross_prefix}
),
Emerge("dev-libs/D", env_mod={"ROOT": cross_root}),
Portageq(
"has_version",
cross_eroot,
"dev-libs/D",
),
# EAPI 5
Emerge("--usepkgonly", "dev-libs/A", env_mod={"EPREFIX": cross_prefix}),
Portageq(
"has_version", cross_prefix, "dev-libs/A", env_mod={"EPREFIX": cross_prefix}
),
Portageq(
"has_version", cross_prefix, "dev-libs/B", env_mod={"EPREFIX": cross_prefix}
),
Emerge("-C", "--quiet", "dev-libs/B", env_mod={"EPREFIX": cross_prefix}),
Emerge("-C", "--quiet", "dev-libs/A", env_mod={"EPREFIX": cross_prefix}),
Emerge("dev-libs/A", env_mod={"EPREFIX": cross_prefix}),
# Test ROOT support
Emerge("dev-libs/B", env_mod={"ROOT": cross_root}),
Portageq(
"has_version",
cross_eroot,
"dev-libs/B",
),
]
test_commands["misc operations with eprefix"] = PortageCommandSequence(
*cross_prefix_seq
)
# Test binhost support if FETCHCOMMAND is available.
binrepos_conf_file = os.path.join(os.sep, eprefix, BINREPOS_CONF_FILE)
binhost_uri = binhost["uri"]
binhost_dir = binhost["dir"]
with open(binrepos_conf_file, "w") as f:
f.write("[test-binhost]\n")
f.write(f"sync-uri = {binhost_uri}\n")
fetchcommand = portage.util.shlex_split(settings["FETCHCOMMAND"])
fetch_bin = portage.process.find_binary(fetchcommand[0])
if fetch_bin is None:
test_commands["binhost emerge"] = Noop()
else:
# The next emerge has been added to split this test from the rest:
make_package = Emerge("-e", "--buildpkg", "dev-libs/A")
getbinpkgonly = Emerge(
"-e",
"--getbinpkgonly",
"dev-libs/A",
preparation=lambda: os.rename(pkgdir, binhost_dir),
)
# Remove binrepos.conf and test PORTAGE_BINHOST.
def _rm_pkgdir_and_rm_binrepos_conf_file():
shutil.rmtree(pkgdir)
os.unlink(binrepos_conf_file)
getbinpkgonly_fetchonly = Emerge(
"-fe",
"--getbinpkgonly",
"dev-libs/A",
env_mod={"PORTAGE_BINHOST": binhost_uri},
preparation=_rm_pkgdir_and_rm_binrepos_conf_file,
)
# Test bug 920537 binrepos.conf with local file src-uri.
def _rm_pkgdir_and_create_binrepos_conf_with_file_uri():
shutil.rmtree(pkgdir)
with open(binrepos_conf_file, "w") as f:
f.write("[test-binhost]\n")
f.write(f"sync-uri = file://{binhost_dir}\n")
getbinpkgonly_file_uri = Emerge(
"-fe",
"--getbinpkgonly",
"dev-libs/A",
preparation=_rm_pkgdir_and_create_binrepos_conf_with_file_uri,
)
fetch_sequence = PortageCommandSequence(
make_package, getbinpkgonly, getbinpkgonly_fetchonly, getbinpkgonly_file_uri
)
test_commands["binhost emerge"] = fetch_sequence
yield test_commands
@pytest.fixture()
def baseline_command(request, _generate_all_baseline_commands):
"""A fixture that provides the commands to perform a baseline
functional test of portage. It uses another fixture, namely
``_generate_all_baseline_commands``.
Pytest caches the fixtures and there is a little performance
improvement if the commands are generated only once..
"""
return _generate_all_baseline_commands[request.param]
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