-
Notifications
You must be signed in to change notification settings - Fork 584
/
test_client.py
315 lines (245 loc) · 9.35 KB
/
test_client.py
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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
# Tests of the client code.
#
# To run these tests, you must have a local Voldemort server running using the configuration files
# in tests/voldemort_config.
import unittest
import datetime
from voldemort import StoreClient, VoldemortException
def _vector_clock_equal(clock1, clock2):
"""
Compares two vector clocks, ignoring the timestamp field, which may be skewed.
"""
clock1_entries = dict((entry.node_id, entry.version) for entry in clock1.entries)
clock2_entries = dict((entry.node_id, entry.version) for entry in clock2.entries)
return clock1_entries == clock2_entries
class VoldemortClientTest(unittest.TestCase):
def _reinit_raw_client(self):
s = StoreClient('test', [('localhost', 6666)])
for k in ['a', 'b', 'c']:
s.delete(k)
return s
def _reinit_json_client(self):
s = StoreClient('json_test', [('localhost', 6666)])
for k in [1, 2, 3]:
s.delete(k)
return s
def test_raw_get(self):
"""
Tests basic puts/gets in raw (non-serialized) mode.
"""
s = self._reinit_raw_client()
s.put('a', '1')
resp = s.get('a')
self.assertEquals(len(resp), 1)
self.assertEquals(len(resp[0]), 2)
self.assertEquals(resp[0][0], '1')
s.put('b', '2')
resp = s.get('b')
self.assertEquals(len(resp), 1)
self.assertEquals(len(resp[0]), 2)
self.assertEquals(resp[0][0], '2')
def test_raw_get_all(self):
"""
Tests the get_all() method in raw mode.
"""
s = self._reinit_raw_client()
pairs = [('a', '1'), ('b', '2'), ('c', '3')]
for k, v in pairs:
s.put(k, v)
resp = s.get_all([k for k, v in pairs])
self.assertEquals(len(resp), len(pairs))
for k, v in pairs:
self.assertTrue(k in resp)
self.assertEquals(len(resp[k]), 1)
self.assertEquals(len(resp[k][0]), 2)
self.assertEquals(resp[k][0][0], v)
def test_raw_versions(self):
"""
Tests the put_maybe() method in raw mode.
"""
s = self._reinit_raw_client()
v1 = s.put('a', '1')
self.assertTrue(v1 is not None)
v2 = s.put('a', '2')
self.assertTrue(v2 is not None)
self.assertFalse(_vector_clock_equal(v2, v1))
v3 = s.put('a', '3')
self.assertTrue(v3 is not None)
self.assertFalse(_vector_clock_equal(v3, v1))
self.assertFalse(_vector_clock_equal(v3, v2))
resp = s.get('a')
self.assertEquals(resp[0][0], '3')
# put() should fail because v2 is not the current version
self.assertRaises(VoldemortException, s.put, 'a', '4', version=v2)
# maybe_put() won't raise an exception, but will return None
v4 = s.maybe_put('a', '4', version=v2)
self.assertTrue(v4 is None)
# this put() should succeed
v4 = s.put('a', '4', version=v3)
self.assertTrue(v4 is not None)
self.assertFalse(_vector_clock_equal(v4, v1))
self.assertFalse(_vector_clock_equal(v4, v2))
self.assertFalse(_vector_clock_equal(v4, v2))
# and this maybe_put() should not return None
v5 = s.maybe_put('a', '5', version=v4)
self.assertTrue(v5 is not None)
self.assertFalse(_vector_clock_equal(v5, v1))
self.assertFalse(_vector_clock_equal(v5, v2))
self.assertFalse(_vector_clock_equal(v5, v3))
self.assertFalse(_vector_clock_equal(v5, v4))
# the value at the latest version should be "5"
resp = s.get('a')
self.assertEquals(resp[0][0], '5')
self.assertTrue(_vector_clock_equal(resp[0][1], v5))
# deleting old versions should have no effect
s.delete('a', version=v3)
resp = s.get('a')
self.assertEquals(len(resp), 1)
self.assertEquals(resp[0][0], '5')
self.assertTrue(_vector_clock_equal(resp[0][1], v5))
# deleting the current version should erase the entry
s.delete('a', version=v5)
resp = s.get('a')
self.assertEquals(resp, [])
val1 = {
'a': 0.25,
'b': [1,2,3],
'c': u'foo',
'd': { 'foo': True,
'bar': datetime.datetime(2010, 11, 24, 20, 8, 7, 155000)
}
}
val2 = {
'a': 4.0,
'b': [5,6],
'c': u'bar',
'd': { 'foo': None,
'bar': datetime.datetime(2003, 5, 5, 1, 23, 45, 678000)
}
}
val3 = {
'a': 8.0,
'b': [],
'c': u'',
'd': None
}
val4 = {
'a': 4.0,
'b': [5,6],
'c': 'bar',
'd': { 'foo': True,
'bar': datetime.datetime(2003, 5, 5, 1, 23, 45, 678123)
}
}
def test_json_get(self):
"""
Tests the JSON serialization with put()/get()
"""
s = self._reinit_json_client()
s.put(1, self.val1)
resp = s.get(1)
self.assertEquals(len(resp), 1)
self.assertEquals(len(resp[0]), 2)
self.assertEquals(resp[0][0], self.val1)
s.put(2, self.val2)
resp = s.get(2)
self.assertEquals(len(resp), 1)
self.assertEquals(len(resp[0]), 2)
self.assertEquals(resp[0][0], self.val2)
def test_json_get_all(self):
"""
Tests JSON serialized get_all()
"""
s = self._reinit_json_client()
pairs = [(1, self.val1), (2, self.val2), (3, self.val3)]
for k, v in pairs:
s.put(k, v)
resp = s.get_all([k for k, v in pairs])
self.assertEquals(len(resp), len(pairs))
for k, v in pairs:
self.assertTrue(k in resp)
self.assertEquals(len(resp[k]), 1)
self.assertEquals(len(resp[k][0]), 2)
self.assertEquals(resp[k][0][0], v)
def test_json_mismatches(self):
"""
Sometimes the result we get out of Voldemort is a little different than what
went in, but it's not always a problem.
"""
s = self._reinit_json_client()
s.put(1, self.val4)
resp = s.get(1)
self.assertEquals(len(resp), 1)
self.assertEquals(len(resp[0]), 2)
output = resp[0][0]
# the input and output won't be the same
self.assertNotEquals(output, self.val4)
# the float should have survived the trip
self.assertEquals(output['a'], self.val4['a'])
# as should the list
self.assertEquals(output['b'], self.val4['b'])
# the string is now a unicode, but it should still compare equal to the original
self.assertTrue(isinstance(output['c'], unicode))
self.assertEquals(output['c'], self.val4['c'])
# the boolean should be the same
self.assertEquals(output['d']['foo'], self.val4['d']['foo'])
# but the date gets truncated:
self.assertNotEquals(output['d']['bar'], self.val4['d']['bar'])
# the difference should be small
td = self.val4['d']['bar'] - output['d']['bar']
self.assertEquals(td.days, 0)
self.assertEquals(td.seconds, 0)
self.assertEquals(td.microseconds, 123)
def test_raw_versions(self):
"""
Tests versioning in JSON mode.
"""
s = self._reinit_json_client()
v1 = s.put(1, self.val4)
self.assertTrue(v1 is not None)
v2 = s.put(1, self.val3)
self.assertTrue(v2 is not None)
self.assertFalse(_vector_clock_equal(v2, v1))
resp = s.get(1)
self.assertEquals(resp[0][0], self.val3)
self.assertTrue(_vector_clock_equal(resp[0][1], v2))
# put() should fail because v1 is not the current version
self.assertRaises(VoldemortException, s.put, 1, self.val2, version=v1)
# maybe_put() won't raise an exception, but will return None
v3 = s.maybe_put(1, self.val2, version=v1)
self.assertTrue(v3 is None)
# this put() should succeed
v3 = s.put(1, self.val2, version=v2)
self.assertTrue(v3 is not None)
self.assertFalse(_vector_clock_equal(v3, v1))
self.assertFalse(_vector_clock_equal(v3, v2))
# and this maybe_put() should not return None
v4 = s.maybe_put(1, self.val1, version=v3)
self.assertTrue(v4 is not None)
self.assertFalse(_vector_clock_equal(v4, v1))
self.assertFalse(_vector_clock_equal(v4, v2))
self.assertFalse(_vector_clock_equal(v4, v3))
# the value at the latest version should be val1 at version v4
resp = s.get(1)
self.assertEquals(resp[0][0], self.val1)
self.assertTrue(_vector_clock_equal(resp[0][1], v4))
# deleting old versions should have no effect
s.delete(1, version=v2)
resp = s.get(1)
self.assertEquals(len(resp), 1)
self.assertEquals(resp[0][0], self.val1)
self.assertTrue(_vector_clock_equal(resp[0][1], v4))
# deleting the current version should erase the entry
s.delete(1, version=v4)
resp = s.get(1)
self.assertEquals(resp, [])
def test_missing_store(self):
"""
Tests that we get an exception when we try to get a non-existent store.
"""
try:
s = StoreClient('does-not-exist', [('localhost', 6666)])
except VoldemortException:
self.assertTrue(True)
return
self.assertTrue(False)