# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import mozunit
from mozpack.packager.formats import (
    FlatFormatter,
    JarFormatter,
    OmniJarFormatter,
)
from mozpack.packager.unpack import unpack_to_registry
from mozpack.copier import (
    FileCopier,
    FileRegistry,
)
from mozpack.test.test_packager_formats import (
    CONTENTS,
    fill_formatter,
    get_contents,
)
from mozpack.test.test_files import TestWithTmpDir


class TestUnpack(TestWithTmpDir):
    maxDiff = None

    @staticmethod
    def _get_copier(cls):
        copier = FileCopier()
        formatter = cls(copier)
        fill_formatter(formatter, CONTENTS)
        return copier

    @classmethod
    def setUpClass(cls):
        cls.contents = get_contents(cls._get_copier(FlatFormatter),
                                    read_all=True)

    def _unpack_test(self, cls):
        # Format a package with the given formatter class
        copier = self._get_copier(cls)
        copier.copy(self.tmpdir)

        # Unpack that package. Its content is expected to match that of a Flat
        # formatted package.
        registry = FileRegistry()
        unpack_to_registry(self.tmpdir, registry)
        self.assertEqual(get_contents(registry, read_all=True), self.contents)

    def test_flat_unpack(self):
        self._unpack_test(FlatFormatter)

    def test_jar_unpack(self):
        self._unpack_test(JarFormatter)

    def test_omnijar_unpack(self):
        class OmniFooFormatter(OmniJarFormatter):
            def __init__(self, registry):
                super(OmniFooFormatter, self).__init__(registry, 'omni.foo')

        self._unpack_test(OmniFooFormatter)


if __name__ == '__main__':
    mozunit.main()