def test_forward__if_index_already_dropped__should_ignore_this(
self, test_db, left_schema):
fields = [('field1', pymongo.ASCENDING),
('field2', pymongo.DESCENDING)]
action = DropIndex('Document1', 'index2')
action.prepare(test_db, left_schema, MigrationPolicy.strict)
action.run_forward()
indexes = [
x for x in test_db['document1'].list_indexes()
if x['key'] == SON(fields)
]
assert len(indexes) == 0
def test_forward__if_index_name_is_not_in_params__should_drop_index(
self, test_db, left_schema):
fields = [('field1', pymongo.ASCENDING)]
test_db['document1'].create_index(fields)
action = DropIndex('Document1', 'index1')
action.prepare(test_db, left_schema, MigrationPolicy.strict)
action.run_forward()
indexes = [
x for x in test_db['document1'].list_indexes()
if x['key'] == SON(fields)
]
assert len(indexes) == 0
def test_forward_backward__if_index_name_is_in_params__should_create_index(
self, test_db, left_schema):
fields = [('field1', pymongo.ASCENDING),
('field2', pymongo.DESCENDING)]
test_db['document1'].create_index(fields, name='index2', sparse=True)
action = DropIndex('Document1', 'index2')
action.prepare(test_db, left_schema, MigrationPolicy.strict)
action.run_forward()
action.cleanup()
action.prepare(test_db, left_schema, MigrationPolicy.strict)
action.run_backward()
indexes = [
x for x in test_db['document1'].list_indexes()
if x['key'] == SON(fields)
]
assert len(indexes) == 1
assert indexes[0]['name'] == 'index2'
assert indexes[0]['sparse'] is True