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# Copyright 2013-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
import portage
from portage import os
from portage.tests import TestCase
from portage.tests.resolver.ResolverPlayground import ResolverPlayground
from portage.package.ebuild._ipc.QueryCommand import QueryCommand
from portage.util._async.ForkProcess import ForkProcess
from portage.util._async.TaskScheduler import TaskScheduler
from _emerge.Package import Package
from _emerge.PipeReader import PipeReader
class DoebuildProcess(ForkProcess):
__slots__ = ("doebuild_kwargs", "doebuild_pargs")
def _run(self):
return portage.doebuild(*self.doebuild_pargs, **self.doebuild_kwargs)
class DoebuildFdPipesTestCase(TestCase):
def testDoebuild(self):
"""
Invoke portage.doebuild() with the fd_pipes parameter, and
check that the expected output appears in the pipe. This
functionality is not used by portage internally, but it is
supported for API consumers (see bug #475812).
"""
output_fd = 200
ebuild_body = ["S=${WORKDIR}"]
for phase_func in (
"pkg_info",
"pkg_nofetch",
"pkg_pretend",
"pkg_setup",
"src_unpack",
"src_prepare",
"src_configure",
"src_compile",
"src_test",
"src_install",
):
ebuild_body.append(
("%s() { echo ${EBUILD_PHASE}" " 1>&%s; }") % (phase_func, output_fd)
)
ebuild_body.append("")
ebuild_body = "\n".join(ebuild_body)
ebuilds = {
"app-misct/foo-1": {
"EAPI": "5",
"MISC_CONTENT": ebuild_body,
}
}
# Override things that may be unavailable, or may have portability
# issues when running tests in exotic environments.
# prepstrip - bug #447810 (bash read builtin EINTR problem)
true_symlinks = ("find", "prepstrip", "sed", "scanelf")
true_binary = portage.process.find_binary("true")
self.assertEqual(true_binary is None, False, "true command not found")
dev_null = open(os.devnull, "wb")
playground = ResolverPlayground(ebuilds=ebuilds)
try:
QueryCommand._db = playground.trees
root_config = playground.trees[playground.eroot]["root_config"]
portdb = root_config.trees["porttree"].dbapi
settings = portage.config(clone=playground.settings)
if "__PORTAGE_TEST_HARDLINK_LOCKS" in os.environ:
settings["__PORTAGE_TEST_HARDLINK_LOCKS"] = os.environ[
"__PORTAGE_TEST_HARDLINK_LOCKS"
]
settings.backup_changes("__PORTAGE_TEST_HARDLINK_LOCKS")
settings.features.add("noauto")
settings.features.add("test")
settings["PORTAGE_PYTHON"] = portage._python_interpreter
settings["PORTAGE_QUIET"] = "1"
settings["PYTHONDONTWRITEBYTECODE"] = os.environ.get(
"PYTHONDONTWRITEBYTECODE", ""
)
fake_bin = os.path.join(settings["EPREFIX"], "bin")
portage.util.ensure_dirs(fake_bin)
for x in true_symlinks:
os.symlink(true_binary, os.path.join(fake_bin, x))
settings["__PORTAGE_TEST_PATH_OVERRIDE"] = fake_bin
settings.backup_changes("__PORTAGE_TEST_PATH_OVERRIDE")
cpv = "app-misct/foo-1"
metadata = dict(
zip(Package.metadata_keys, portdb.aux_get(cpv, Package.metadata_keys))
)
pkg = Package(
built=False,
cpv=cpv,
installed=False,
metadata=metadata,
root_config=root_config,
type_name="ebuild",
)
settings.setcpv(pkg)
ebuildpath = portdb.findname(cpv)
self.assertNotEqual(ebuildpath, None)
for phase in (
"info",
"nofetch",
"pretend",
"setup",
"unpack",
"prepare",
"configure",
"compile",
"test",
"install",
"qmerge",
"clean",
"merge",
):
pr, pw = os.pipe()
producer = DoebuildProcess(
doebuild_pargs=(ebuildpath, phase),
doebuild_kwargs={
"settings": settings,
"mydbapi": portdb,
"tree": "porttree",
"vartree": root_config.trees["vartree"],
"fd_pipes": {
1: dev_null.fileno(),
2: dev_null.fileno(),
output_fd: pw,
},
"prev_mtimes": {},
},
)
consumer = PipeReader(input_files={"producer": pr})
task_scheduler = TaskScheduler(iter([producer, consumer]), max_jobs=2)
try:
task_scheduler.start()
finally:
# PipeReader closes pr
os.close(pw)
task_scheduler.wait()
output = portage._unicode_decode(consumer.getvalue()).rstrip("\n")
if task_scheduler.returncode != os.EX_OK:
portage.writemsg(output, noiselevel=-1)
self.assertEqual(task_scheduler.returncode, os.EX_OK)
if phase not in ("clean", "merge", "qmerge"):
self.assertEqual(phase, output)
finally:
dev_null.close()
playground.cleanup()
QueryCommand._db = None
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