tests/pkgsets/test_installed.py


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from pkgcore.pkgsets import installed
from pkgcore.repository.util import SimpleTree


class FakePkg:

    package_is_real = True
    is_supported = True

    def __init__(self, cat, pn, ver):
        self.cat = cat
        self.pn = pn
        self.ver = ver

    @property
    def slotted_atom(self):
        return f"{self.cat}/{self.pn}"

    @property
    def versioned_atom(self):
        return f"{self.cat}/{self.pn}-{self.ver}"


class TestInstalled:
    def test_iter(self):
        fake_vdb = SimpleTree(
            {
                "dev-util": {
                    "diffball": ["1.0"],
                    "bsdiff": ["1.2", "1.3"],
                }
            },
            pkg_klass=FakePkg,
        )

        assert set(installed.Installed([fake_vdb])) == {
            "dev-util/diffball",
            "dev-util/bsdiff",
        }

        assert set(installed.VersionedInstalled([fake_vdb])) == {
            "dev-util/diffball-1.0",
            "dev-util/bsdiff-1.2",
            "dev-util/bsdiff-1.3",
        }