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# Copyright 2010-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

from __future__ import print_function
import sys

from portage.const import SUPPORTED_GENTOO_BINPKG_FORMATS
from portage.tests import TestCase
from portage.tests.resolver.ResolverPlayground import (
    ResolverPlayground,
    ResolverPlaygroundTestCase,
)
from portage.output import colorize


class SimpleResolverTestCase(TestCase):
    def testSimple(self):
        ebuilds = {
            "dev-libs/A-1": {"KEYWORDS": "x86"},
            "dev-libs/A-2": {"KEYWORDS": "~x86"},
            "dev-libs/B-1.2": {},
            "app-misc/Z-1": {
                "DEPEND": "|| ( app-misc/Y ( app-misc/X app-misc/W ) )",
                "RDEPEND": "",
            },
            "app-misc/Y-1": {"KEYWORDS": "~x86"},
            "app-misc/X-1": {},
            "app-misc/W-1": {},
        }
        binpkgs = {
            "dev-libs/B-1.2": {},
        }
        installed = {
            "dev-libs/A-1": {},
            "dev-libs/B-1.1": {},
        }

        test_cases = (
            ResolverPlaygroundTestCase(
                ["dev-libs/A"], success=True, mergelist=["dev-libs/A-1"]
            ),
            ResolverPlaygroundTestCase(
                ["=dev-libs/A-2"], options={"--autounmask": "n"}, success=False
            ),
            ResolverPlaygroundTestCase(
                ["dev-libs/A"],
                options={"--noreplace": True},
                success=True,
                mergelist=[],
            ),
            ResolverPlaygroundTestCase(
                ["dev-libs/B"],
                options={"--noreplace": True},
                success=True,
                mergelist=[],
            ),
            ResolverPlaygroundTestCase(
                ["dev-libs/B"],
                options={"--update": True},
                success=True,
                mergelist=["dev-libs/B-1.2"],
            ),
            ResolverPlaygroundTestCase(
                ["dev-libs/B"],
                options={"--update": True, "--usepkg": True},
                success=True,
                mergelist=["[binary]dev-libs/B-1.2"],
            ),
            ResolverPlaygroundTestCase(
                ["dev-libs/B"],
                options={"--update": True, "--usepkgonly": True},
                success=True,
                mergelist=["[binary]dev-libs/B-1.2"],
            ),
            ResolverPlaygroundTestCase(
                ["app-misc/Z"],
                success=True,
                ambiguous_merge_order=True,
                mergelist=[("app-misc/W-1", "app-misc/X-1"), "app-misc/Z-1"],
            ),
        )

        for binpkg_format in SUPPORTED_GENTOO_BINPKG_FORMATS:
            with self.subTest(binpkg_format=binpkg_format):
                print(colorize("HILITE", binpkg_format), end=" ... ")
                sys.stdout.flush()
                playground = ResolverPlayground(
                    ebuilds=ebuilds,
                    binpkgs=binpkgs,
                    installed=installed,
                    user_config={
                        "make.conf": ('BINPKG_FORMAT="%s"' % binpkg_format,),
                    },
                )
                try:
                    for test_case in test_cases:
                        playground.run_TestCase(test_case)
                        self.assertEqual(
                            test_case.test_success, True, test_case.fail_msg
                        )
                finally:
                    playground.cleanup()