1 files changed, 293 insertions, 0 deletions
diff --git a/src/leap/soledad/tests/test_couch.py b/src/leap/soledad/tests/test_couch.py
new file mode 100644
index 00000000..b5d6378c
--- /dev/null
+++ b/src/leap/soledad/tests/test_couch.py
@@ -0,0 +1,293 @@
+"""Test ObjectStore backend bits.
+
+For these tests to run, a couch server has to be running on (default) port
+5984.
+"""
+
+import copy
+from leap.soledad.backends import couch
+from leap.soledad.tests import u1db_tests as tests
+from leap.soledad.tests.u1db_tests import test_backends
+from leap.soledad.tests.u1db_tests import test_sync
+try:
+    import simplejson as json
+except ImportError:
+    import json  # noqa
+
+
+#-----------------------------------------------------------------------------
+# A wrapper for running couchdb locally.
+#-----------------------------------------------------------------------------
+
+import re
+import os
+import tempfile
+import subprocess
+import time
+import unittest
+
+
+class CouchDBWrapper(object):
+    """
+    Wrapper for external CouchDB instance which is started and stopped for
+    testing.
+    """
+
+    def start(self):
+        self.tempdir = tempfile.mkdtemp(suffix='.couch.test')
+
+        path = os.path.join(os.path.dirname(__file__),
+                            'couchdb.ini.template')
+        handle = open(path)
+        conf = handle.read() % {
+            'tempdir': self.tempdir,
+        }
+
+        confPath = os.path.join(self.tempdir, 'test.ini')
+        handle = open(confPath, 'w')
+        handle.write(conf)
+        handle.close()
+
+        # create the dirs from the template
+        os.mkdir(os.path.join(self.tempdir, 'lib'))
+        os.mkdir(os.path.join(self.tempdir, 'log'))
+        argus = ['couchdb', '-n' '-a', confPath]
+        null = open('/dev/null', 'w')
+        self.process = subprocess.Popen(
+            argus, env=None, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        # find port
+        logPath = os.path.join(self.tempdir, 'log', 'couch.log')
+        while not os.path.exists(logPath):
+            if self.process.poll() is not None:
+                raise Exception("""
+couchdb exited with code %d.
+stdout:
+%s
+stderr:
+%s""" % (
+                    self.process.returncode, self.process.stdout.read(),
+                    self.process.stderr.read()))
+            time.sleep(0.01)
+        while os.stat(logPath).st_size == 0:
+            time.sleep(0.01)
+        PORT_RE = re.compile(
+            'Apache CouchDB has started on http://127.0.0.1:(?P<port>\d+)')
+
+        handle = open(logPath)
+        line = handle.read()
+        m = PORT_RE.search(line)
+        if not m:
+            self.stop()
+            raise Exception("Cannot find port in line %s" % line)
+        self.port = int(m.group('port'))
+
+    def stop(self):
+        self.process.terminate()
+
+        os.system("rm -rf %s" % self.tempdir)
+
+
+class CouchDBTestCase(unittest.TestCase):
+    """
+    TestCase base class for tests against a real CouchDB server.
+    """
+
+    def setUp(self):
+        self.wrapper = CouchDBWrapper()
+        self.wrapper.start()
+        #self.db = self.wrapper.db
+        super(CouchDBTestCase, self).setUp()
+
+    def tearDown(self):
+        self.wrapper.stop()
+        super(CouchDBTestCase, self).tearDown()
+
+
+#-----------------------------------------------------------------------------
+# The following tests come from `u1db.tests.test_common_backend`.
+#-----------------------------------------------------------------------------
+
+class TestCouchBackendImpl(CouchDBTestCase):
+
+    def test__allocate_doc_id(self):
+        db = couch.CouchDatabase('http://localhost:'+str(self.wrapper.port),
+                                 'u1db_tests')
+        doc_id1 = db._allocate_doc_id()
+        self.assertTrue(doc_id1.startswith('D-'))
+        self.assertEqual(34, len(doc_id1))
+        int(doc_id1[len('D-'):], 16)
+        self.assertNotEqual(doc_id1, db._allocate_doc_id())
+
+
+#-----------------------------------------------------------------------------
+# The following tests come from `u1db.tests.test_backends`.
+#-----------------------------------------------------------------------------
+
+def make_couch_database_for_test(test, replica_uid):
+    port = str(test.wrapper.port)
+    return couch.CouchDatabase('http://localhost:'+port, replica_uid,
+                               replica_uid=replica_uid or 'test')
+
+
+def copy_couch_database_for_test(test, db):
+    port = str(test.wrapper.port)
+    new_db = couch.CouchDatabase('http://localhost:'+port,
+                                 db._replica_uid + '_copy',
+                                 replica_uid=db._replica_uid or 'test')
+    gen, docs = db.get_all_docs(include_deleted=True)
+    for doc in docs:
+        new_db._put_doc(doc)
+    new_db._transaction_log = copy.deepcopy(db._transaction_log)
+    new_db._conflicts = copy.deepcopy(db._conflicts)
+    new_db._other_generations = copy.deepcopy(db._other_generations)
+    new_db._indexes = copy.deepcopy(db._indexes)
+    new_db._set_u1db_data()
+    return new_db
+
+
+COUCH_SCENARIOS = [
+    ('couch', {'make_database_for_test': make_couch_database_for_test,
+               'copy_database_for_test': copy_couch_database_for_test,
+               'make_document_for_test': tests.make_document_for_test, }),
+]
+
+
+class CouchTests(test_backends.AllDatabaseTests, CouchDBTestCase):
+
+    scenarios = COUCH_SCENARIOS
+
+    def tearDown(self):
+        self.db.delete_database()
+        super(CouchTests, self).tearDown()
+
+
+class CouchDatabaseTests(test_backends.LocalDatabaseTests, CouchDBTestCase):
+
+    scenarios = COUCH_SCENARIOS
+
+    def tearDown(self):
+        self.db.delete_database()
+        super(CouchDatabaseTests, self).tearDown()
+
+
+class CouchValidateGenNTransIdTests(
+        test_backends.LocalDatabaseValidateGenNTransIdTests, CouchDBTestCase):
+
+    scenarios = COUCH_SCENARIOS
+
+    def tearDown(self):
+        self.db.delete_database()
+        super(CouchValidateGenNTransIdTests, self).tearDown()
+
+
+class CouchValidateSourceGenTests(
+        test_backends.LocalDatabaseValidateSourceGenTests, CouchDBTestCase):
+
+    scenarios = COUCH_SCENARIOS
+
+    def tearDown(self):
+        self.db.delete_database()
+        super(CouchValidateSourceGenTests, self).tearDown()
+
+
+class CouchWithConflictsTests(
+        test_backends.LocalDatabaseWithConflictsTests, CouchDBTestCase):
+
+    scenarios = COUCH_SCENARIOS
+
+    def tearDown(self):
+        self.db.delete_database()
+        super(CouchWithConflictsTests, self).tearDown()
+
+
+# Notice: the CouchDB backend is currently used for storing encrypted data in
+# the server, so indexing makes no sense. Thus, we ignore index testing for
+# now.
+
+class CouchIndexTests(test_backends.DatabaseIndexTests, CouchDBTestCase):
+
+    scenarios = COUCH_SCENARIOS
+
+    def tearDown(self):
+        self.db.delete_database()
+        super(CouchIndexTests, self).tearDown()
+
+
+#-----------------------------------------------------------------------------
+# The following tests come from `u1db.tests.test_sync`.
+#-----------------------------------------------------------------------------
+
+target_scenarios = [
+    ('local', {'create_db_and_target': test_sync._make_local_db_and_target}), ]
+
+
+simple_doc = tests.simple_doc
+nested_doc = tests.nested_doc
+
+
+class CouchDatabaseSyncTargetTests(test_sync.DatabaseSyncTargetTests,
+                                   CouchDBTestCase):
+
+    scenarios = (tests.multiply_scenarios(COUCH_SCENARIOS, target_scenarios))
+
+    def tearDown(self):
+        self.db.delete_database()
+        super(CouchDatabaseSyncTargetTests, self).tearDown()
+
+    def test_sync_exchange_returns_many_new_docs(self):
+        # This test was replicated to allow dictionaries to be compared after
+        # JSON expansion (because one dictionary may have many different
+        # serialized representations).
+        doc = self.db.create_doc_from_json(simple_doc)
+        doc2 = self.db.create_doc_from_json(nested_doc)
+        self.assertTransactionLog([doc.doc_id, doc2.doc_id], self.db)
+        new_gen, _ = self.st.sync_exchange(
+            [], 'other-replica', last_known_generation=0,
+            last_known_trans_id=None, return_doc_cb=self.receive_doc)
+        self.assertTransactionLog([doc.doc_id, doc2.doc_id], self.db)
+        self.assertEqual(2, new_gen)
+        self.assertEqual(
+            [(doc.doc_id, doc.rev, json.loads(simple_doc), 1),
+             (doc2.doc_id, doc2.rev, json.loads(nested_doc), 2)],
+            [c[:-3] + (json.loads(c[-3]), c[-2]) for c in self.other_changes])
+        if self.whitebox:
+            self.assertEqual(
+                self.db._last_exchange_log['return'],
+                {'last_gen': 2, 'docs':
+                 [(doc.doc_id, doc.rev), (doc2.doc_id, doc2.rev)]})
+
+
+sync_scenarios = []
+for name, scenario in COUCH_SCENARIOS:
+    scenario = dict(scenario)
+    scenario['do_sync'] = test_sync.sync_via_synchronizer
+    sync_scenarios.append((name, scenario))
+    scenario = dict(scenario)
+
+
+class CouchDatabaseSyncTests(test_sync.DatabaseSyncTests, CouchDBTestCase):
+
+    scenarios = sync_scenarios
+
+    def setUp(self):
+        self.db = None
+        self.db1 = None
+        self.db2 = None
+        self.db3 = None
+        super(CouchDatabaseSyncTests, self).setUp()
+
+    def tearDown(self):
+        self.db and self.db.delete_database()
+        self.db1 and self.db1.delete_database()
+        self.db2 and self.db2.delete_database()
+        self.db3 and self.db3.delete_database()
+        db = self.create_database('test1_copy', 'source')
+        db.delete_database()
+        db = self.create_database('test2_copy', 'target')
+        db.delete_database()
+        db = self.create_database('test3', 'target')
+        db.delete_database()
+        super(CouchDatabaseSyncTests, self).tearDown()
+
+
+load_tests = tests.load_with_scenarios