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+#!/usr/bin/env python
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+# -*- coding: utf-8 -*-
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+# Licensed to Cloudera, Inc. under one
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+# or more contributor license agreements. See the NOTICE file
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+# distributed with this work for additional information
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+# regarding copyright ownership. Cloudera, Inc. licenses this file
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+# to you under the Apache License, Version 2.0 (the
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+# "License"); you may not use this file except in compliance
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+# with the License. You may obtain a copy of the License at
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+#
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+# http://www.apache.org/licenses/LICENSE-2.0
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+#
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+# Unless required by applicable law or agreed to in writing, software
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+# distributed under the License is distributed on an "AS IS" BASIS,
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+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+# See the License for the specific language governing permissions and
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+# limitations under the License.
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+
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+import logging
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+
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+from mock import patch, Mock, MagicMock
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+from nose.tools import assert_equal, assert_not_equal, assert_true, assert_false
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+
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+from django.contrib.auth.models import User
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+
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+from desktop.auth.backend import rewrite_user
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+from desktop.lib.django_test_util import make_logged_in_client
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+from desktop.lib.test_utils import add_to_group, grant_access
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+
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+from notebook.connectors.sqlalchemyapi import SqlAlchemyApi
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+
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+
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+LOG = logging.getLogger(__name__)
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+
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+
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+class TestApi():
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+
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+ def setUp(self):
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+ self.client = make_logged_in_client(username="test", groupname="default", recreate=True, is_superuser=False)
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+
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+ self.user = rewrite_user(User.objects.get(username="test"))
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+ grant_access("test", "default", "notebook")
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+
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+
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+ def test_fetch_result_empty(self):
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+ interpreter = {
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+ 'options': {}
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+ }
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+
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+ notebook = Mock()
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+ snippet = {'result': {'handle': {'guid': 'guid-1'}}}
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+ rows = 10
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+ start_over = True
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+
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+ with patch('notebook.connectors.sqlalchemyapi.CONNECTION_CACHE') as CONNECTION_CACHE:
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+ CONNECTION_CACHE.get = Mock(
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+ return_value={
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+ 'result': Mock(
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+ fetchmany=Mock(return_value=[]) # We have 0 rows
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+ ),
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+ 'meta': MagicMock(
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+ __getitem__=Mock(return_value={'type': 'BIGINT_TYPE'}),
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+ return_value=[{'type': 'BIGINT_TYPE'}]
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+ )
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+ }
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+ )
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+
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+ data = SqlAlchemyApi(self.user, interpreter).fetch_result(notebook, snippet, rows, start_over)
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+
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+ assert_false(data['has_more'])
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+ assert_not_equal(data['has_more'], [])
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+ assert_equal(data['has_more'], False)
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+
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+ assert_equal(data['data'], [])
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+ assert_equal(data['meta'](), [{'type': 'BIGINT_TYPE'}])
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+
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+
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+ def test_fetch_result_rows(self):
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+ interpreter = {
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+ 'options': {}
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+ }
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+
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+ notebook = Mock()
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+ snippet = {'result': {'handle': {'guid': 'guid-1'}}}
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+ rows = 10
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+ start_over = True
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+
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+ with patch('notebook.connectors.sqlalchemyapi.CONNECTION_CACHE') as CONNECTION_CACHE:
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+ CONNECTION_CACHE.get = Mock(
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+ return_value={
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+ 'result': Mock(
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+ fetchmany=Mock(return_value=[['row1'], ['row2']]) # We have 2 rows
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+ ),
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+ 'meta': MagicMock(
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+ __getitem__=Mock(return_value={'type': 'BIGINT_TYPE'}),
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+ return_value=[{'type': 'BIGINT_TYPE'}]
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+ )
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+ }
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+ )
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+
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+ data = SqlAlchemyApi(self.user, interpreter).fetch_result(notebook, snippet, rows, start_over)
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+
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+ assert_false(data['has_more'])
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+ assert_not_equal(data['has_more'], [])
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+ assert_equal(data['has_more'], False)
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+
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+ assert_equal(data['data'], [['row1'], ['row2']])
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+ assert_equal(data['meta'](), [{'type': 'BIGINT_TYPE'}])
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