"""Read-only metadata fixtures; no real release artifacts or signing keys."""
import copy
import importlib.util
from pathlib import Path
import unittest

spec = importlib.util.spec_from_file_location('binding', Path(__file__).parents[1] / 'check-release-source-binding.py')
binding = importlib.util.module_from_spec(spec)
spec.loader.exec_module(binding)
COMMIT = 'a' * 40
VERSION = '2.1.0-beta'


class SourceBindingTests(unittest.TestCase):
    def setUp(self):
        self.manifest = {'version': VERSION, 'source_commit': COMMIT, 'components': [{
            'new_version': VERSION,
            'download_url': 'https://registry.invalid/org/project/releases/download/v' + VERSION + '/archipelago',
        }]}

    def check(self, manifest=None, backend=VERSION, frontend=VERSION):
        binding.validate(manifest or self.manifest, COMMIT, backend, frontend)

    def test_matching_reviewed_source(self):
        self.check()

    def test_stale_manifest_and_component(self):
        for target in ['manifest', 'component']:
            with self.subTest(target=target):
                value = copy.deepcopy(self.manifest)
                if target == 'manifest':
                    value['version'] = '1.9.1-alpha'
                else:
                    value['components'][0]['new_version'] = '1.9.1-alpha'
                with self.assertRaises(ValueError):
                    self.check(value)

    def test_backend_frontend_or_source_mismatch(self):
        with self.assertRaises(ValueError):
            self.check(backend='1.9.1-alpha')
        with self.assertRaises(ValueError):
            self.check(frontend='1.9.1-alpha')
        self.manifest['source_commit'] = 'b' * 40
        with self.assertRaises(ValueError):
            self.check()

    def test_stale_or_unbound_urls(self):
        for url in ['https://registry.invalid/releases/download/v1.9.1-alpha/archipelago',
                    'http://registry.invalid/releases/download/v2.1.0-beta/archipelago',
                    'https://registry.invalid/releases/download/v2.1.0-beta/../old',
                    'https://registry.invalid/releases/download/v2.1.0-beta/app?old=1']:
            with self.subTest(url=url):
                self.manifest['components'][0]['download_url'] = url
                with self.assertRaises(ValueError):
                    self.check()


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