forked from googleapis/google-cloud-python
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathtest_iterator.py
More file actions
190 lines (162 loc) · 6.62 KB
/
test_iterator.py
File metadata and controls
190 lines (162 loc) · 6.62 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
# Copyright 2015 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest2
class TestIterator(unittest2.TestCase):
def _getTargetClass(self):
from gcloud.iterator import Iterator
return Iterator
def _makeOne(self, *args, **kw):
return self._getTargetClass()(*args, **kw)
def test_ctor(self):
connection = _Connection()
client = _Client(connection)
PATH = '/foo'
iterator = self._makeOne(client, PATH)
self.assertTrue(iterator.client is client)
self.assertEqual(iterator.path, PATH)
self.assertEqual(iterator.page_number, 0)
self.assertEqual(iterator.next_page_token, None)
def test___iter__(self):
PATH = '/foo'
KEY1 = 'key1'
KEY2 = 'key2'
ITEM1, ITEM2 = object(), object()
ITEMS = {KEY1: ITEM1, KEY2: ITEM2}
def _get_items(response):
for item in response.get('items', []):
yield ITEMS[item['name']]
connection = _Connection({'items': [{'name': KEY1}, {'name': KEY2}]})
client = _Client(connection)
iterator = self._makeOne(client, PATH)
iterator.get_items_from_response = _get_items
self.assertEqual(list(iterator), [ITEM1, ITEM2])
kw, = connection._requested
self.assertEqual(kw['method'], 'GET')
self.assertEqual(kw['path'], PATH)
self.assertEqual(kw['query_params'], {})
def test_has_next_page_new(self):
connection = _Connection()
client = _Client(connection)
PATH = '/foo'
iterator = self._makeOne(client, PATH)
self.assertTrue(iterator.has_next_page())
def test_has_next_page_w_number_no_token(self):
connection = _Connection()
client = _Client(connection)
PATH = '/foo'
iterator = self._makeOne(client, PATH)
iterator.page_number = 1
self.assertFalse(iterator.has_next_page())
def test_has_next_page_w_number_w_token(self):
connection = _Connection()
client = _Client(connection)
PATH = '/foo'
TOKEN = 'token'
iterator = self._makeOne(client, PATH)
iterator.page_number = 1
iterator.next_page_token = TOKEN
self.assertTrue(iterator.has_next_page())
def test_get_query_params_no_token(self):
connection = _Connection()
client = _Client(connection)
PATH = '/foo'
iterator = self._makeOne(client, PATH)
self.assertEqual(iterator.get_query_params(), {})
def test_get_query_params_w_token(self):
connection = _Connection()
client = _Client(connection)
PATH = '/foo'
TOKEN = 'token'
iterator = self._makeOne(client, PATH)
iterator.next_page_token = TOKEN
self.assertEqual(iterator.get_query_params(),
{'pageToken': TOKEN})
def test_get_query_params_extra_params(self):
connection = _Connection()
client = _Client(connection)
PATH = '/foo'
extra_params = {'key': 'val'}
iterator = self._makeOne(client, PATH, extra_params=extra_params)
self.assertEqual(iterator.get_query_params(), extra_params)
def test_get_query_params_w_token_and_extra_params(self):
connection = _Connection()
client = _Client(connection)
PATH = '/foo'
TOKEN = 'token'
extra_params = {'key': 'val'}
iterator = self._makeOne(client, PATH, extra_params=extra_params)
iterator.next_page_token = TOKEN
expected_query = extra_params.copy()
expected_query.update({'pageToken': TOKEN})
self.assertEqual(iterator.get_query_params(), expected_query)
def test_get_query_params_w_token_collision(self):
connection = _Connection()
client = _Client(connection)
PATH = '/foo'
extra_params = {'pageToken': 'val'}
self.assertRaises(ValueError, self._makeOne, client, PATH,
extra_params=extra_params)
def test_get_next_page_response_new_no_token_in_response(self):
PATH = '/foo'
TOKEN = 'token'
KEY1 = 'key1'
KEY2 = 'key2'
connection = _Connection({'items': [{'name': KEY1}, {'name': KEY2}],
'nextPageToken': TOKEN})
client = _Client(connection)
iterator = self._makeOne(client, PATH)
response = iterator.get_next_page_response()
self.assertEqual(response['items'], [{'name': KEY1}, {'name': KEY2}])
self.assertEqual(iterator.page_number, 1)
self.assertEqual(iterator.next_page_token, TOKEN)
kw, = connection._requested
self.assertEqual(kw['method'], 'GET')
self.assertEqual(kw['path'], PATH)
self.assertEqual(kw['query_params'], {})
def test_get_next_page_response_no_token(self):
connection = _Connection()
client = _Client(connection)
PATH = '/foo'
iterator = self._makeOne(client, PATH)
iterator.page_number = 1
self.assertRaises(RuntimeError, iterator.get_next_page_response)
def test_reset(self):
connection = _Connection()
client = _Client(connection)
PATH = '/foo'
TOKEN = 'token'
iterator = self._makeOne(client, PATH)
iterator.page_number = 1
iterator.next_page_token = TOKEN
iterator.reset()
self.assertEqual(iterator.page_number, 0)
self.assertEqual(iterator.next_page_token, None)
def test_get_items_from_response_raises_NotImplementedError(self):
PATH = '/foo'
connection = _Connection()
client = _Client(connection)
iterator = self._makeOne(client, PATH)
self.assertRaises(NotImplementedError,
iterator.get_items_from_response, object())
class _Connection(object):
def __init__(self, *responses):
self._responses = responses
self._requested = []
def api_request(self, **kw):
self._requested.append(kw)
response, self._responses = self._responses[0], self._responses[1:]
return response
class _Client(object):
def __init__(self, connection):
self.connection = connection