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# Copyright 2016 Gentoo Foundation
# 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 RuntimeCycleMergeOrderTestCase(TestCase):
    def testRuntimeCycleMergeOrder(self):
        ebuilds = {
            "app-misc/plugins-consumer-1": {
                "EAPI": "6",
                "DEPEND": "app-misc/plugin-b:=",
                "RDEPEND": "app-misc/plugin-b:=",
            },
            "app-misc/plugin-b-1": {
                "EAPI": "6",
                "RDEPEND": "app-misc/runtime-cycle-b",
                "PDEPEND": "app-misc/plugins-consumer",
            },
            "app-misc/runtime-cycle-b-1": {
                "RDEPEND": "app-misc/plugin-b app-misc/branch-b",
            },
            "app-misc/branch-b-1": {
                "RDEPEND": "app-misc/leaf-b app-misc/branch-c",
            },
            "app-misc/leaf-b-1": {},
            "app-misc/branch-c-1": {
                "RDEPEND": "app-misc/runtime-cycle-c app-misc/runtime-c",
            },
            "app-misc/runtime-cycle-c-1": {
                "RDEPEND": "app-misc/branch-c",
            },
            "app-misc/runtime-c-1": {
                "RDEPEND": "app-misc/branch-d",
            },
            "app-misc/branch-d-1": {
                "RDEPEND": "app-misc/leaf-d app-misc/branch-e",
            },
            "app-misc/branch-e-1": {
                "RDEPEND": "app-misc/leaf-e",
            },
            "app-misc/leaf-d-1": {},
            "app-misc/leaf-e-1": {},
        }

        test_cases = (
            ResolverPlaygroundTestCase(
                ["app-misc/plugin-b"],
                success=True,
                ambiguous_merge_order=True,
                mergelist=[
                    ("app-misc/leaf-b-1", "app-misc/leaf-d-1", "app-misc/leaf-e-1"),
                    ("app-misc/branch-d-1", "app-misc/branch-e-1"),
                    "app-misc/runtime-c-1",
                    ("app-misc/runtime-cycle-c-1", "app-misc/branch-c-1"),
                    "app-misc/branch-b-1",
                    ("app-misc/runtime-cycle-b-1", "app-misc/plugin-b-1"),
                    "app-misc/plugins-consumer-1",
                ],
            ),
        )

        playground = ResolverPlayground(ebuilds=ebuilds)
        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()