# Copyright 2010-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

import os
import shlex
import textwrap

from _emerge.EbuildPhase import EbuildPhase
from _emerge.MiscFunctionsProcess import MiscFunctionsProcess
from _emerge.Package import Package

from portage import _python_interpreter
from portage.const import EBUILD_SH_BINARY
from portage.package.ebuild._spawn_nofetch import spawn_nofetch
from portage.package.ebuild.config import config
from portage.package.ebuild.doebuild import spawn as doebuild_spawn
from portage.tests import TestCase
from portage.tests.resolver.ResolverPlayground import ResolverPlayground
from portage.util._async.SchedulerInterface import SchedulerInterface
from portage.util._eventloop.global_event_loop import global_event_loop


class DoebuildSpawnTestCase(TestCase):
    """
    Invoke portage.package.ebuild.doebuild.spawn() with a
    minimal environment. This gives coverage to some of
    the ebuild execution internals, like ebuild.sh,
    AbstractEbuildProcess, and EbuildIpcDaemon.
    """

    def testDoebuildSpawn(self):
        ebuild_body = textwrap.dedent("""
			pkg_nofetch() { : ; }
		""")

        ebuilds = {
            "sys-apps/portage-2.1": {
                "EAPI": "2",
                "IUSE": "build doc epydoc python3 selinux",
                "KEYWORDS": "x86",
                "LICENSE": "GPL-2",
                "RDEPEND": ">=app-shells/bash-3.2_p17 >=dev-lang/python-2.6",
                "SLOT": "0",
                "MISC_CONTENT": ebuild_body,
            }
        }

        playground = ResolverPlayground(ebuilds=ebuilds)
        try:
            root_config = playground.trees[playground.eroot]["root_config"]
            portdb = root_config.trees["porttree"].dbapi
            settings = 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")

            cpv = "sys-apps/portage-2.1"
            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)
            settings["PORTAGE_PYTHON"] = _python_interpreter
            settings["PORTAGE_BUILDDIR"] = os.path.join(settings["PORTAGE_TMPDIR"], cpv)
            settings["PYTHONDONTWRITEBYTECODE"] = os.environ.get(
                "PYTHONDONTWRITEBYTECODE", ""
            )
            settings["HOME"] = os.path.join(settings["PORTAGE_BUILDDIR"], "homedir")
            settings["T"] = os.path.join(settings["PORTAGE_BUILDDIR"], "temp")
            for x in ("PORTAGE_BUILDDIR", "HOME", "T"):
                os.makedirs(settings[x])
            os.makedirs(os.path.join(settings["PORTAGE_BUILDDIR"], ".ipc"))
            # Create a fake environment, to pretend as if the ebuild
            # has been sourced already.
            open(os.path.join(settings["T"], "environment"), "wb").close()

            scheduler = SchedulerInterface(global_event_loop())
            self.assertTrue(scheduler._loop is global_event_loop()._loop)
            for phase in ("_internal_test",):
                # Test EbuildSpawnProcess by calling doebuild.spawn() with
                # returnpid=False. This case is no longer used by portage
                # internals since EbuildPhase is used instead and that passes
                # returnpid=True to doebuild.spawn().
                rval = doebuild_spawn(
                    "%s %s"
                    % (
                        shlex.quote(
                            os.path.join(
                                settings["PORTAGE_BIN_PATH"],
                                os.path.basename(EBUILD_SH_BINARY),
                            )
                        ),
                        phase,
                    ),
                    settings,
                    free=1,
                )
                self.assertEqual(rval, os.EX_OK)

                ebuild_phase = EbuildPhase(
                    background=False,
                    phase=phase,
                    scheduler=scheduler,
                    settings=settings,
                )
                ebuild_phase.start()
                ebuild_phase.wait()
                self.assertEqual(ebuild_phase.returncode, os.EX_OK)

            ebuild_phase = MiscFunctionsProcess(
                background=False,
                commands=["success_hooks"],
                scheduler=scheduler,
                settings=settings,
            )
            ebuild_phase.start()
            ebuild_phase.wait()
            self.assertEqual(ebuild_phase.returncode, os.EX_OK)

            spawn_nofetch(portdb, portdb.findname(cpv), settings=settings)
        finally:
            playground.cleanup()
