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path: root/morphlib/remoterepocache_tests.py
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# Copyright (C) 2012-2013  Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.


import json
import unittest

import morphlib


class RemoteRepoCacheTests(unittest.TestCase):

    def _resolve_ref_for_repo_url(self, repo_url, ref):
        return self.sha1s[repo_url][ref]

    def _cat_file_for_repo_url(self, repo_url, sha1, filename):
        return self.files[repo_url][sha1][filename]

    def _ls_tree_for_repo_url(self, repo_url, sha1):
        return json.dumps({
            'repo': repo_url,
            'ref': sha1,
            'tree': self.files[repo_url][sha1]
        })

    def setUp(self):
        self.sha1s = {
            'git://gitorious.org/baserock/morph': {
                'master': 'e28a23812eadf2fce6583b8819b9c5dbd36b9fb9'
            }
        }
        self.files = {
            'git://gitorious.org/baserock-morphs/linux': {
                'e28a23812eadf2fce6583b8819b9c5dbd36b9fb9': {
                    'linux.morph': 'linux morphology'
                }
            }
        }
        self.server_url = 'http://foo.bar'
        aliases = [
            'upstream=git://gitorious.org/baserock-morphs/#foo',
            'baserock=git://gitorious.org/baserock/#foo'
        ]
        resolver = morphlib.repoaliasresolver.RepoAliasResolver(aliases)
        self.cache = morphlib.remoterepocache.RemoteRepoCache(
            self.server_url, resolver)
        self.cache._resolve_ref_for_repo_url = self._resolve_ref_for_repo_url
        self.cache._cat_file_for_repo_url = self._cat_file_for_repo_url
        self.cache._ls_tree_for_repo_url = self._ls_tree_for_repo_url

    def test_sets_server_url(self):
        self.assertEqual(self.cache.server_url, self.server_url)

    def test_resolve_existing_ref_for_existing_repo(self):
        sha1 = self.cache.resolve_ref('baserock:morph', 'master')
        self.assertEqual(
            sha1,
            self.sha1s['git://gitorious.org/baserock/morph']['master'])

    def test_fail_resolving_existing_ref_for_non_existent_repo(self):
        self.assertRaises(morphlib.remoterepocache.ResolveRefError,
                          self.cache.resolve_ref, 'non-existent-repo',
                          'master')

    def test_fail_resolving_non_existent_ref_for_existing_repo(self):
        self.assertRaises(morphlib.remoterepocache.ResolveRefError,
                          self.cache.resolve_ref, 'baserock:morph',
                          'non-existent-ref')

    def test_fail_resolving_non_existent_ref_for_non_existent_repo(self):
        self.assertRaises(morphlib.remoterepocache.ResolveRefError,
                          self.cache.resolve_ref, 'non-existent-repo',
                          'non-existent-ref')

    def test_cat_existing_file_in_existing_repo_and_ref(self):
        content = self.cache.cat_file(
            'upstream:linux', 'e28a23812eadf2fce6583b8819b9c5dbd36b9fb9',
            'linux.morph')
        self.assertEqual(content, 'linux morphology')

    def test_fail_cat_file_using_invalid_sha1(self):
        self.assertRaises(morphlib.remoterepocache.CatFileError,
                          self.cache.cat_file, 'upstream:linux', 'blablabla',
                          'linux.morph')

    def test_fail_cat_non_existent_file_in_existing_repo_and_ref(self):
        self.assertRaises(morphlib.remoterepocache.CatFileError,
                          self.cache.cat_file, 'upstream:linux',
                          'e28a23812eadf2fce6583b8819b9c5dbd36b9fb9',
                          'non-existent-file')

    def test_fail_cat_file_in_non_existent_ref_in_existing_repo(self):
        self.assertRaises(morphlib.remoterepocache.CatFileError,
                          self.cache.cat_file, 'upstream:linux',
                          'ecd7a325095a0d19b8c3d76f578d85b979461d41',
                          'linux.morph')

    def test_fail_cat_file_in_non_existent_repo(self):
        self.assertRaises(morphlib.remoterepocache.CatFileError,
                          self.cache.cat_file, 'non-existent-repo',
                          'e28a23812eadf2fce6583b8819b9c5dbd36b9fb9',
                          'some-file')

    def test_ls_tree_in_existing_repo_and_ref(self):
        content = self.cache.ls_tree(
            'upstream:linux', 'e28a23812eadf2fce6583b8819b9c5dbd36b9fb9')
        self.assertEqual(content, ['linux.morph'])

    def test_fail_ls_tree_using_invalid_sha1(self):
        self.assertRaises(morphlib.remoterepocache.LsTreeError,
                          self.cache.ls_tree, 'upstream:linux', 'blablabla')

    def test_fail_ls_file_in_non_existent_ref_in_existing_repo(self):
        self.assertRaises(morphlib.remoterepocache.LsTreeError,
                          self.cache.ls_tree, 'upstream:linux',
                          'ecd7a325095a0d19b8c3d76f578d85b979461d41')

    def test_fail_ls_tree_in_non_existent_repo(self):
        self.assertRaises(morphlib.remoterepocache.LsTreeError,
                          self.cache.ls_tree, 'non-existent-repo',
                          'e28a23812eadf2fce6583b8819b9c5dbd36b9fb9')