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

from portage.tests import TestCase
from portage.tests.resolver.ResolverPlayground import (
    ResolverPlayground,
    ResolverPlaygroundTestCase,
)


class CircularRustTestCase(TestCase):
    def testCircularPypyExe(self):

        ebuilds = {
            "dev-lang/rust-1.47.0-r2": {
                "EAPI": "7",
                "SLOT": "stable/1.47",
                "BDEPEND": "|| ( =dev-lang/rust-1.46* =dev-lang/rust-bin-1.46* =dev-lang/rust-1.47* =dev-lang/rust-bin-1.47* )",
            },
            "dev-lang/rust-1.46.0": {
                "EAPI": "7",
                "SLOT": "stable/1.46",
                "BDEPEND": "|| ( =dev-lang/rust-1.45* =dev-lang/rust-bin-1.45* =dev-lang/rust-1.46* =dev-lang/rust-bin-1.46* )",
            },
            "dev-lang/rust-bin-1.47.0": {
                "EAPI": "7",
            },
            "dev-lang/rust-bin-1.46.0": {
                "EAPI": "7",
            },
        }

        installed = {
            "dev-lang/rust-1.46.0": {
                "EAPI": "7",
                "SLOT": "stable/1.46",
                "BDEPEND": "|| ( =dev-lang/rust-1.45* =dev-lang/rust-bin-1.45* =dev-lang/rust-1.46* =dev-lang/rust-bin-1.46* )",
            },
        }

        test_cases = (
            # Test bug 756961, where a circular dependency was reported
            # when a package would replace its own builtime dependency.
            # This needs to be tested with and without --update, since
            # that affects package selection logic significantly,
            # expecially for packages given as arguments.
            ResolverPlaygroundTestCase(
                ["=dev-lang/rust-1.46*"],
                mergelist=["dev-lang/rust-1.46.0"],
                success=True,
            ),
            ResolverPlaygroundTestCase(
                ["=dev-lang/rust-1.46*"],
                options={"--update": True},
                mergelist=[],
                success=True,
            ),
            ResolverPlaygroundTestCase(
                ["=dev-lang/rust-1.46*"],
                options={"--deep": True, "--update": True},
                mergelist=[],
                success=True,
            ),
            ResolverPlaygroundTestCase(
                ["dev-lang/rust"],
                mergelist=["dev-lang/rust-1.47.0-r2"],
                success=True,
            ),
            ResolverPlaygroundTestCase(
                ["dev-lang/rust"],
                options={"--update": True},
                mergelist=["dev-lang/rust-1.47.0-r2"],
                success=True,
            ),
            ResolverPlaygroundTestCase(
                ["@world"],
                options={"--deep": True, "--update": True},
                mergelist=["dev-lang/rust-1.47.0-r2"],
                success=True,
            ),
        )

        world = ["dev-lang/rust"]

        playground = ResolverPlayground(
            ebuilds=ebuilds, installed=installed, world=world, debug=False
        )
        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.debug = False
            playground.cleanup()