def tearDown(self):
with cloudant(self.user, self.passwd, account=self.user) as c:
replicator = Replicator(c)
while self.replication_ids:
replicator.stop_replication(self.replication_ids.pop())
while self.dbs:
c.delete_database(self.dbs.pop())
def tearDown(self):
with cloudant(self.user, self.passwd, account=self.user) as c:
replicator = Replicator(c)
while self.replication_ids:
replicator.stop_replication(self.replication_ids.pop())
while self.dbs:
c.delete_database(self.dbs.pop())
def configure_replicator(client, source_db, target_db):
"""
Currently we try and start a replication, if that fails that means one already exists. So we stop it and create a new one.
https://python-cloudant.readthedocs.io/en/latest/replicator.html#module-cloudant.replicator
How can we configure couchdb to delete this data...
"""
replicator = Replicator(client)
replication_id = f"{source_db.database_name}_to_{target_db.database_name}"
try:
replication_doc = start_replication(replicator, source_db, target_db,
replication_id)
except:
replicator.stop_replication(repl_id=replication_id)
replication_doc = start_replication(replicator, source_db, target_db,
replication_id)
def test_stop_replication(self):
"""test stop_replication call"""
repl = Replicator(self.mock_account)
mock_doc = mock.Mock()
mock_doc.fetch = mock.Mock()
mock_doc.delete = mock.Mock()
repl.database['replication_1'] = mock_doc
repl.stop_replication('replication_1')
self.assertTrue(mock_doc.fetch.called)
self.assertTrue(mock_doc.delete.called)
with mock.patch('cloudant.database.CouchDatabase.__getitem__') as mock_gi:
mock_gi.side_effect = KeyError("womp")
self.assertRaises(
CloudantException,
repl.stop_replication,
'replication_2'
)
class ReplicatorTests(UnitTestDbBase):
"""
Replicator unit tests
"""
def setUp(self):
"""
Set up test attributes
"""
super(ReplicatorTests, self).setUp()
self.db_set_up()
self.test_target_dbname = self.dbname()
self.target_db = self.client._DATABASE_CLASS(
self.client,
self.test_target_dbname
)
self.target_db.create()
self.replicator = Replicator(self.client)
self.replication_ids = []
def tearDown(self):
"""
Reset test attributes
"""
self.target_db.delete()
del self.test_target_dbname
del self.target_db
for rep_id in self.replication_ids:
max_retry = 5
while True:
try:
self.replicator.stop_replication(rep_id)
break
except requests.HTTPError as ex:
# Retry failed attempt to delete replication document. It's
# likely in an error state and receiving constant updates
# via the replicator.
max_retry -= 1
if ex.response.status_code != 409 or max_retry == 0:
raise
del self.replicator
self.db_tear_down()
super(ReplicatorTests, self).tearDown()
def test_constructor(self):
"""
Test constructing a Replicator
"""
self.assertIsInstance(self.replicator, Replicator)
self.assertIsInstance(
self.replicator.database,
self.client._DATABASE_CLASS
)
self.assertEqual(self.replicator.database, self.client['_replicator'])
def test_constructor_failure(self):
"""
Test that constructing a Replicator will not work
without a valid client.
"""
repl = None
try:
self.client.disconnect()
repl = Replicator(self.client)
self.fail('Above statement should raise a CloudantException')
except CloudantClientException as err:
self.assertEqual(
str(err),
'Database _replicator does not exist. '
'Verify that the client is valid and try again.'
)
finally:
self.assertIsNone(repl)
self.client.connect()
def test_replication_with_generated_id(self):
clone = Replicator(self.client)
repl_id = clone.create_replication(
self.db,
self.target_db
)
self.replication_ids.append(repl_id['_id'])
@flaky(max_runs=3)
def test_create_replication(self):
"""
Test that the replication document gets created and that the
replication is successful.
"""
self.populate_db_with_documents(3)
repl_id = 'test-repl-{}'.format(unicode_(uuid.uuid4()))
repl_doc = self.replicator.create_replication(
self.db,
self.target_db,
repl_id
)
self.replication_ids.append(repl_id)
# Test that the replication document was created
expected_keys = ['_id', '_rev', 'source', 'target', 'user_ctx']
# If Admin Party mode then user_ctx will not be in the key list
if self.client.admin_party or self.client.is_iam_authenticated:
expected_keys.pop()
self.assertTrue(all(x in list(repl_doc.keys()) for x in expected_keys))
self.assertEqual(repl_doc['_id'], repl_id)
self.assertTrue(repl_doc['_rev'].startswith('1-'))
# Now that we know that the replication document was created,
# check that the replication occurred.
repl_doc = Document(self.replicator.database, repl_id)
repl_doc.fetch()
if repl_doc.get('_replication_state') not in ('completed', 'error'):
changes = self.replicator.database.changes(
feed='continuous',
heartbeat=1000)
beats = 0
for change in changes:
if beats == 300:
changes.stop()
if not change:
beats += 1
continue
elif change.get('id') == repl_id:
beats = 0
repl_doc = Document(self.replicator.database, repl_id)
repl_doc.fetch()
if repl_doc.get('_replication_state') in ('completed', 'error'):
changes.stop()
self.assertEqual(repl_doc.get('_replication_state'), 'completed')
self.assertEqual(self.db.all_docs(), self.target_db.all_docs())
self.assertTrue(
all(x in self.target_db.keys(True) for x in [
'julia000',
'julia001',
'julia002'
])
)
def test_timeout_in_create_replication(self):
"""
Test that a read timeout exception is thrown when creating a
replicator with a timeout value of 500 ms.
"""
# Setup client with a timeout
self.set_up_client(auto_connect=True, timeout=.5)
self.db = self.client[self.test_target_dbname]
self.target_db = self.client[self.test_dbname]
# Construct a replicator with the updated client
self.replicator = Replicator(self.client)
repl_id = 'test-repl-{}'.format(unicode_(uuid.uuid4()))
repl_doc = self.replicator.create_replication(
self.db,
self.target_db,
repl_id
)
self.replication_ids.append(repl_id)
# Test that the replication document was created
expected_keys = ['_id', '_rev', 'source', 'target', 'user_ctx']
# If Admin Party mode then user_ctx will not be in the key list
if self.client.admin_party or self.client.is_iam_authenticated:
expected_keys.pop()
self.assertTrue(all(x in list(repl_doc.keys()) for x in expected_keys))
self.assertEqual(repl_doc['_id'], repl_id)
self.assertTrue(repl_doc['_rev'].startswith('1-'))
# Now that we know that the replication document was created,
# check that the replication timed out.
repl_doc = Document(self.replicator.database, repl_id)
repl_doc.fetch()
if repl_doc.get('_replication_state') not in ('completed', 'error'):
# assert that a connection error is thrown because the read timed out
with self.assertRaises(ConnectionError) as cm:
changes = self.replicator.database.changes(
feed='continuous')
for change in changes:
continue
self.assertTrue(str(cm.exception).endswith('Read timed out.'))
def test_create_replication_without_a_source(self):
"""
Test that the replication document is not created and fails as expected
when no source database is provided.
"""
try:
repl_doc = self.replicator.create_replication()
self.fail('Above statement should raise a CloudantException')
except CloudantReplicatorException as err:
self.assertEqual(
str(err),
'You must specify either a source_db Database '
'object or a manually composed \'source\' string/dict.'
)
def test_create_replication_without_a_target(self):
"""
Test that the replication document is not created and fails as expected
when no target database is provided.
"""
try:
repl_doc = self.replicator.create_replication(self.db)
self.fail('Above statement should raise a CloudantException')
except CloudantReplicatorException as err:
self.assertEqual(
str(err),
'You must specify either a target_db Database '
'object or a manually composed \'target\' string/dict.'
)
def test_list_replications(self):
"""
Test that a list of Document wrapped objects are returned.
"""
self.populate_db_with_documents(3)
repl_ids = ['test-repl-{}'.format(
unicode_(uuid.uuid4())
) for _ in range(3)]
repl_docs = [self.replicator.create_replication(
self.db,
self.target_db,
repl_id
) for repl_id in repl_ids]
self.replication_ids.extend(repl_ids)
replications = self.replicator.list_replications()
all_repl_ids = [doc['_id'] for doc in replications]
match = [repl_id for repl_id in all_repl_ids if repl_id in repl_ids]
self.assertEqual(set(repl_ids), set(match))
def test_retrieve_replication_state(self):
"""
Test that the replication state can be retrieved for a replication
"""
self.populate_db_with_documents(3)
repl_id = "test-repl-{}".format(unicode_(uuid.uuid4()))
repl_doc = self.replicator.create_replication(
self.db,
self.target_db,
repl_id
)
self.replication_ids.append(repl_id)
repl_state = None
valid_states = ['completed', 'error', 'triggered', 'running', None]
finished = False
for _ in range(300):
repl_state = self.replicator.replication_state(repl_id)
self.assertTrue(repl_state in valid_states)
if repl_state in ('error', 'completed'):
finished = True
break
time.sleep(1)
self.assertTrue(finished)
def test_retrieve_replication_state_using_invalid_id(self):
"""
Test that replication_state(...) raises an exception as expected
when an invalid replication id is provided.
"""
repl_id = 'fake-repl-id-{}'.format(unicode_(uuid.uuid4()))
repl_state = None
try:
self.replicator.replication_state(repl_id)
self.fail('Above statement should raise a CloudantException')
except CloudantReplicatorException as err:
self.assertEqual(
str(err),
'Replication with id {} not found.'.format(repl_id)
)
self.assertIsNone(repl_state)
def test_stop_replication(self):
"""
Test that a replication can be stopped.
"""
self.populate_db_with_documents(3)
repl_id = "test-repl-{}".format(unicode_(uuid.uuid4()))
repl_doc = self.replicator.create_replication(
self.db,
self.target_db,
repl_id
)
max_retry = 3
while True:
try:
max_retry -= 1
self.replicator.stop_replication(repl_id)
break
except requests.HTTPError as err:
self.assertEqual(err.response.status_code, 409)
if max_retry == 0:
self.fail('Failed to stop replication: {0}'.format(err))
try:
# The .fetch() will fail since the replication has been stopped
# and the replication document has been removed from the db.
repl_doc.fetch()
self.fail('Above statement should raise a CloudantException')
except requests.HTTPError as err:
self.assertEqual(err.response.status_code, 404)
def test_stop_replication_using_invalid_id(self):
"""
Test that stop_replication(...) raises an exception as expected
when an invalid replication id is provided.
"""
repl_id = 'fake-repl-id-{}'.format(unicode_(uuid.uuid4()))
try:
self.replicator.stop_replication(repl_id)
self.fail('Above statement should raise a CloudantException')
except CloudantReplicatorException as err:
self.assertEqual(
str(err),
'Replication with id {} not found.'.format(repl_id)
)
def test_follow_replication(self):
"""
Test that follow_replication(...) properly iterates updated
replication documents while the replication is executing.
"""
self.populate_db_with_documents(3)
repl_id = "test-repl-{}".format(unicode_(uuid.uuid4()))
repl_doc = self.replicator.create_replication(
self.db,
self.target_db,
repl_id
)
self.replication_ids.append(repl_id)
valid_states = ('completed', 'error', 'triggered', 'running', None)
repl_states = []
if 'scheduler' in self.client.features():
state_key = 'state'
else:
state_key = '_replication_state'
for doc in self.replicator.follow_replication(repl_id):
self.assertIn(doc.get(state_key), valid_states)
repl_states.append(doc.get(state_key))
self.assertTrue(len(repl_states) > 0)
self.assertEqual(repl_states[-1], 'completed')
self.assertNotIn('error', repl_states)
class ReplicatorTests(UnitTestDbBase):
"""
Replicator unit tests
"""
def setUp(self):
"""
Set up test attributes
"""
super(ReplicatorTests, self).setUp()
self.db_set_up()
self.test_target_dbname = self.dbname()
self.target_db = self.client._DATABASE_CLASS(self.client,
self.test_target_dbname)
self.target_db.create()
self.replicator = Replicator(self.client)
self.replication_ids = []
def tearDown(self):
"""
Reset test attributes
"""
self.target_db.delete()
del self.test_target_dbname
del self.target_db
while self.replication_ids:
self.replicator.stop_replication(self.replication_ids.pop())
del self.replicator
self.db_tear_down()
super(ReplicatorTests, self).tearDown()
def test_constructor(self):
"""
Test constructing a Replicator
"""
self.assertIsInstance(self.replicator, Replicator)
self.assertIsInstance(self.replicator.database,
self.client._DATABASE_CLASS)
self.assertEqual(self.replicator.database, self.client['_replicator'])
def test_constructor_failure(self):
"""
Test that constructing a Replicator will not work
without a valid client.
"""
repl = None
try:
self.client.disconnect()
repl = Replicator(self.client)
self.fail('Above statement should raise a CloudantException')
except CloudantException as err:
self.assertEqual(
str(err), 'Unable to acquire _replicator database. '
'Verify that the client is valid and try again.')
finally:
self.assertIsNone(repl)
self.client.connect()
def test_create_replication(self):
"""
Test that the replication document gets created and that the
replication is successful.
"""
self.populate_db_with_documents(3)
repl_id = 'test-repl-{}'.format(unicode_(uuid.uuid4()))
repl_doc = self.replicator.create_replication(self.db, self.target_db,
repl_id)
self.replication_ids.append(repl_id)
# Test that the replication document was created
expected_keys = ['_id', '_rev', 'source', 'target', 'user_ctx']
# If Admin Party mode then user_ctx will not be in the key list
if self.client.admin_party:
expected_keys.pop()
self.assertTrue(all(x in list(repl_doc.keys()) for x in expected_keys))
self.assertEqual(repl_doc['_id'], repl_id)
self.assertTrue(repl_doc['_rev'].startswith('1-'))
# Now that we know that the replication document was created,
# check that the replication occurred.
repl_doc = Document(self.replicator.database, repl_id)
repl_doc.fetch()
if repl_doc.get('_replication_state') not in ('completed', 'error'):
changes = self.replicator.database.changes(feed='continuous',
heartbeat=1000)
beats = 0
for change in changes:
if beats == 300:
changes.stop()
if not change:
beats += 1
continue
elif change.get('id') == repl_id:
beats = 0
repl_doc = Document(self.replicator.database, repl_id)
repl_doc.fetch()
if repl_doc.get('_replication_state') in ('completed',
'error'):
changes.stop()
self.assertEqual(repl_doc.get('_replication_state'), 'completed')
self.assertEqual(self.db.all_docs(), self.target_db.all_docs())
self.assertTrue(
all(x in self.target_db.keys(True)
for x in ['julia000', 'julia001', 'julia002']))
def test_create_replication_without_a_source(self):
"""
Test that the replication document is not created and fails as expected
when no source database is provided.
"""
try:
repl_doc = self.replicator.create_replication()
self.fail('Above statement should raise a CloudantException')
except CloudantException as err:
self.assertEqual(
str(err), 'You must specify either a source_db Database '
'object or a manually composed \'source\' string/dict.')
def test_create_replication_without_a_target(self):
"""
Test that the replication document is not created and fails as expected
when no target database is provided.
"""
try:
repl_doc = self.replicator.create_replication(self.db)
self.fail('Above statement should raise a CloudantException')
except CloudantException as err:
self.assertEqual(
str(err), 'You must specify either a target_db Database '
'object or a manually composed \'target\' string/dict.')
def test_list_replications(self):
"""
Test that a list of Document wrapped objects are returned.
"""
self.populate_db_with_documents(3)
repl_ids = [
'test-repl-{}'.format(unicode_(uuid.uuid4())) for _ in range(3)
]
repl_docs = [
self.replicator.create_replication(self.db, self.target_db,
repl_id) for repl_id in repl_ids
]
self.replication_ids.extend(repl_ids)
replications = self.replicator.list_replications()
all_repl_ids = [doc['_id'] for doc in replications]
match = [repl_id for repl_id in all_repl_ids if repl_id in repl_ids]
self.assertEqual(set(repl_ids), set(match))
def test_retrieve_replication_state(self):
"""
Test that the replication state can be retrieved for a replication
"""
self.populate_db_with_documents(3)
repl_id = "test-repl-{}".format(unicode_(uuid.uuid4()))
repl_doc = self.replicator.create_replication(self.db, self.target_db,
repl_id)
self.replication_ids.append(repl_id)
repl_state = None
valid_states = ['completed', 'error', 'triggered', None]
finished = False
for _ in range(300):
repl_state = self.replicator.replication_state(repl_id)
self.assertTrue(repl_state in valid_states)
if repl_state in ('error', 'completed'):
finished = True
break
time.sleep(1)
self.assertTrue(finished)
def test_retrieve_replication_state_using_invalid_id(self):
"""
Test that replication_state(...) raises an exception as expected
when an invalid replication id is provided.
"""
repl_id = 'fake-repl-id-{}'.format(unicode_(uuid.uuid4()))
repl_state = None
try:
self.replicator.replication_state(repl_id)
self.fail('Above statement should raise a CloudantException')
except CloudantException as err:
self.assertEqual(str(err),
'Replication {} not found'.format(repl_id))
self.assertIsNone(repl_state)
def test_stop_replication(self):
"""
Test that a replication can be stopped.
"""
self.populate_db_with_documents(3)
repl_id = "test-repl-{}".format(unicode_(uuid.uuid4()))
repl_doc = self.replicator.create_replication(self.db, self.target_db,
repl_id)
self.replicator.stop_replication(repl_id)
try:
# The .fetch() will fail since the replication has been stopped
# and the replication document has been removed from the db.
repl_doc.fetch()
self.fail('Above statement should raise a CloudantException')
except requests.HTTPError as err:
self.assertEqual(err.response.status_code, 404)
def test_stop_replication_using_invalid_id(self):
"""
Test that stop_replication(...) raises an exception as expected
when an invalid replication id is provided.
"""
repl_id = 'fake-repl-id-{}'.format(unicode_(uuid.uuid4()))
try:
self.replicator.stop_replication(repl_id)
self.fail('Above statement should raise a CloudantException')
except CloudantException as err:
self.assertEqual(
str(err),
'Could not find replication with id {}'.format(repl_id))
def test_follow_replication(self):
"""
Test that follow_replication(...) properly iterates updated
replication documents while the replication is executing.
"""
self.populate_db_with_documents(3)
repl_id = "test-repl-{}".format(unicode_(uuid.uuid4()))
repl_doc = self.replicator.create_replication(self.db, self.target_db,
repl_id)
self.replication_ids.append(repl_id)
valid_states = ('completed', 'error', 'triggered', None)
repl_states = []
for doc in self.replicator.follow_replication(repl_id):
self.assertIn(doc.get('_replication_state'), valid_states)
repl_states.append(doc.get('_replication_state'))
self.assertTrue(len(repl_states) > 0)
self.assertEqual(repl_states[-1], 'completed')
self.assertNotIn('error', repl_states)
class ReplicatorTests(UnitTestDbBase):
"""
Replicator unit tests
"""
def setUp(self):
"""
Set up test attributes
"""
super(ReplicatorTests, self).setUp()
self.db_set_up()
self.test_target_dbname = self.dbname()
self.target_db = self.client._DATABASE_CLASS(
self.client,
self.test_target_dbname
)
self.target_db.create()
self.replicator = Replicator(self.client)
self.replication_ids = []
def tearDown(self):
"""
Reset test attributes
"""
self.target_db.delete()
del self.test_target_dbname
del self.target_db
while self.replication_ids:
self.replicator.stop_replication(self.replication_ids.pop())
del self.replicator
self.db_tear_down()
super(ReplicatorTests, self).tearDown()
def test_constructor(self):
"""
Test constructing a Replicator
"""
self.assertIsInstance(self.replicator, Replicator)
self.assertIsInstance(
self.replicator.database,
self.client._DATABASE_CLASS
)
self.assertEqual(self.replicator.database, self.client['_replicator'])
def test_constructor_failure(self):
"""
Test that constructing a Replicator will not work
without a valid account.
"""
repl = None
try:
self.client.disconnect()
repl = Replicator(self.client)
self.fail('Above statement should raise a CloudantException')
except CloudantException, err:
self.assertEqual(
str(err),
'Unable to acquire _replicator database. '
'Verify that the account client is valid and try again.'
)
finally:
class ReplicatorTests(UnitTestDbBase):
"""
Replicator unit tests
"""
def setUp(self):
"""
Set up test attributes
"""
super(ReplicatorTests, self).setUp()
self.db_set_up()
self.test_target_dbname = self.dbname()
self.target_db = self.client._DATABASE_CLASS(
self.client,
self.test_target_dbname
)
self.target_db.create()
self.replicator = Replicator(self.client)
self.replication_ids = []
def tearDown(self):
"""
Reset test attributes
"""
self.target_db.delete()
del self.test_target_dbname
del self.target_db
for rep_id in self.replication_ids:
max_retry = 5
while True:
try:
self.replicator.stop_replication(rep_id)
break
except requests.HTTPError as ex:
# Retry failed attempt to delete replication document. It's
# likely in an error state and receiving constant updates
# via the replicator.
max_retry -= 1
if ex.response.status_code != 409 or max_retry == 0:
raise
del self.replicator
self.db_tear_down()
super(ReplicatorTests, self).tearDown()
def test_constructor(self):
"""
Test constructing a Replicator
"""
self.assertIsInstance(self.replicator, Replicator)
self.assertIsInstance(
self.replicator.database,
self.client._DATABASE_CLASS
)
self.assertEqual(self.replicator.database, self.client['_replicator'])
def test_constructor_failure(self):
"""
Test that constructing a Replicator will not work
without a valid client.
"""
repl = None
try:
self.client.disconnect()
repl = Replicator(self.client)
self.fail('Above statement should raise a CloudantException')
except CloudantClientException as err:
self.assertEqual(
str(err),
'Database _replicator does not exist. '
'Verify that the client is valid and try again.'
)
finally:
self.assertIsNone(repl)
self.client.connect()
def test_replication_with_generated_id(self):
clone = Replicator(self.client)
clone.create_replication(self.db, self.target_db)
@flaky(max_runs=3)
def test_create_replication(self):
"""
Test that the replication document gets created and that the
replication is successful.
"""
self.populate_db_with_documents(3)
repl_id = 'test-repl-{}'.format(unicode_(uuid.uuid4()))
repl_doc = self.replicator.create_replication(
self.db,
self.target_db,
repl_id
)
self.replication_ids.append(repl_id)
# Test that the replication document was created
expected_keys = ['_id', '_rev', 'source', 'target', 'user_ctx']
# If Admin Party mode then user_ctx will not be in the key list
if self.client.admin_party:
expected_keys.pop()
self.assertTrue(all(x in list(repl_doc.keys()) for x in expected_keys))
self.assertEqual(repl_doc['_id'], repl_id)
self.assertTrue(repl_doc['_rev'].startswith('1-'))
# Now that we know that the replication document was created,
# check that the replication occurred.
repl_doc = Document(self.replicator.database, repl_id)
repl_doc.fetch()
if repl_doc.get('_replication_state') not in ('completed', 'error'):
changes = self.replicator.database.changes(
feed='continuous',
heartbeat=1000)
beats = 0
for change in changes:
if beats == 300:
changes.stop()
if not change:
beats += 1
continue
elif change.get('id') == repl_id:
beats = 0
repl_doc = Document(self.replicator.database, repl_id)
repl_doc.fetch()
if repl_doc.get('_replication_state') in ('completed', 'error'):
changes.stop()
self.assertEqual(repl_doc.get('_replication_state'), 'completed')
self.assertEqual(self.db.all_docs(), self.target_db.all_docs())
self.assertTrue(
all(x in self.target_db.keys(True) for x in [
'julia000',
'julia001',
'julia002'
])
)
def test_timeout_in_create_replication(self):
"""
Test that a read timeout exception is thrown when creating a
replicator with a timeout value of 500 ms.
"""
# Setup client with a timeout
self.set_up_client(auto_connect=True, timeout=.5)
self.db = self.client[self.test_target_dbname]
self.target_db = self.client[self.test_dbname]
# Construct a replicator with the updated client
self.replicator = Replicator(self.client)
repl_id = 'test-repl-{}'.format(unicode_(uuid.uuid4()))
repl_doc = self.replicator.create_replication(
self.db,
self.target_db,
repl_id
)
self.replication_ids.append(repl_id)
# Test that the replication document was created
expected_keys = ['_id', '_rev', 'source', 'target', 'user_ctx']
# If Admin Party mode then user_ctx will not be in the key list
if self.client.admin_party:
expected_keys.pop()
self.assertTrue(all(x in list(repl_doc.keys()) for x in expected_keys))
self.assertEqual(repl_doc['_id'], repl_id)
self.assertTrue(repl_doc['_rev'].startswith('1-'))
# Now that we know that the replication document was created,
# check that the replication timed out.
repl_doc = Document(self.replicator.database, repl_id)
repl_doc.fetch()
if repl_doc.get('_replication_state') not in ('completed', 'error'):
# assert that a connection error is thrown because the read timed out
with self.assertRaises(ConnectionError) as cm:
changes = self.replicator.database.changes(
feed='continuous')
for change in changes:
continue
self.assertTrue(str(cm.exception).endswith('Read timed out.'))
def test_create_replication_without_a_source(self):
"""
Test that the replication document is not created and fails as expected
when no source database is provided.
"""
try:
repl_doc = self.replicator.create_replication()
self.fail('Above statement should raise a CloudantException')
except CloudantReplicatorException as err:
self.assertEqual(
str(err),
'You must specify either a source_db Database '
'object or a manually composed \'source\' string/dict.'
)
def test_create_replication_without_a_target(self):
"""
Test that the replication document is not created and fails as expected
when no target database is provided.
"""
try:
repl_doc = self.replicator.create_replication(self.db)
self.fail('Above statement should raise a CloudantException')
except CloudantReplicatorException as err:
self.assertEqual(
str(err),
'You must specify either a target_db Database '
'object or a manually composed \'target\' string/dict.'
)
def test_list_replications(self):
"""
Test that a list of Document wrapped objects are returned.
"""
self.populate_db_with_documents(3)
repl_ids = ['test-repl-{}'.format(
unicode_(uuid.uuid4())
) for _ in range(3)]
repl_docs = [self.replicator.create_replication(
self.db,
self.target_db,
repl_id
) for repl_id in repl_ids]
self.replication_ids.extend(repl_ids)
replications = self.replicator.list_replications()
all_repl_ids = [doc['_id'] for doc in replications]
match = [repl_id for repl_id in all_repl_ids if repl_id in repl_ids]
self.assertEqual(set(repl_ids), set(match))
def test_retrieve_replication_state(self):
"""
Test that the replication state can be retrieved for a replication
"""
self.populate_db_with_documents(3)
repl_id = "test-repl-{}".format(unicode_(uuid.uuid4()))
repl_doc = self.replicator.create_replication(
self.db,
self.target_db,
repl_id
)
self.replication_ids.append(repl_id)
repl_state = None
valid_states = ['completed', 'error', 'triggered', None]
finished = False
for _ in range(300):
repl_state = self.replicator.replication_state(repl_id)
self.assertTrue(repl_state in valid_states)
if repl_state in ('error', 'completed'):
finished = True
break
time.sleep(1)
self.assertTrue(finished)
def test_retrieve_replication_state_using_invalid_id(self):
"""
Test that replication_state(...) raises an exception as expected
when an invalid replication id is provided.
"""
repl_id = 'fake-repl-id-{}'.format(unicode_(uuid.uuid4()))
repl_state = None
try:
self.replicator.replication_state(repl_id)
self.fail('Above statement should raise a CloudantException')
except CloudantReplicatorException as err:
self.assertEqual(
str(err),
'Replication with id {} not found.'.format(repl_id)
)
self.assertIsNone(repl_state)
def test_stop_replication(self):
"""
Test that a replication can be stopped.
"""
self.populate_db_with_documents(3)
repl_id = "test-repl-{}".format(unicode_(uuid.uuid4()))
repl_doc = self.replicator.create_replication(
self.db,
self.target_db,
repl_id
)
self.replicator.stop_replication(repl_id)
try:
# The .fetch() will fail since the replication has been stopped
# and the replication document has been removed from the db.
repl_doc.fetch()
self.fail('Above statement should raise a CloudantException')
except requests.HTTPError as err:
self.assertEqual(err.response.status_code, 404)
def test_stop_replication_using_invalid_id(self):
"""
Test that stop_replication(...) raises an exception as expected
when an invalid replication id is provided.
"""
repl_id = 'fake-repl-id-{}'.format(unicode_(uuid.uuid4()))
try:
self.replicator.stop_replication(repl_id)
self.fail('Above statement should raise a CloudantException')
except CloudantReplicatorException as err:
self.assertEqual(
str(err),
'Replication with id {} not found.'.format(repl_id)
)
def test_follow_replication(self):
"""
Test that follow_replication(...) properly iterates updated
replication documents while the replication is executing.
"""
self.populate_db_with_documents(3)
repl_id = "test-repl-{}".format(unicode_(uuid.uuid4()))
repl_doc = self.replicator.create_replication(
self.db,
self.target_db,
repl_id
)
self.replication_ids.append(repl_id)
valid_states = ('completed', 'error', 'triggered', None)
repl_states = []
for doc in self.replicator.follow_replication(repl_id):
self.assertIn(doc.get('_replication_state'), valid_states)
repl_states.append(doc.get('_replication_state'))
self.assertTrue(len(repl_states) > 0)
self.assertEqual(repl_states[-1], 'completed')
self.assertNotIn('error', repl_states)