annotate test/session_common.py @ 6814:3f60a71b0812

Summary: Support selecion session/otk data store. Add redis as data store. Allow admin to select the backend data store. Compatibility matrix: main\/ session>| anydbm | sqlite | redis | mysql | postgresql | anydbm | D | | X | | | sqlite | X | D | X | | | mysql | | | | D | | postgresql | | | | | D | --------------------------------------------------------------+ D - default if unconfigured, X - compatible choice DETAILS roundup/configuration.py: add config.ini section sessiondb with settings: backend and redis_url. CHANGES.txt, doc/admin_guide.txt, doc/installation.txt, doc/upgrading.txt: doc on config of session db and redis. Plus some other fixes: admin - clarified why we do not drop __words and __testids table in native-fts conversion. TYpo fix. upgrading - doc how you can keep using anydbm for session data with sqlite. Fix dupe sentence in an upgrading config.ini section. roundup/backends/back_anydbm.py, roundup/backends/back_sqlite.py: code to support redis, redis/anydbm backends respectively. roundup/backends/sessions_redis.py new storage backend for redis. roundup/rest.py, roundup/cgi/actions.py, roundup/cgi/templating.py redis uses a different way of calculating lifetime/timestamp. Since expiration of an item occurred if its timestamp was more than 1 week old, code would calculate: now - 1 week + lifetime. But this results in faster expiration in redis if used for lifetime/timestamp. Convert code to use the lifetime() method in BasicDatabase that generates the right timestamp for each backend. test/session_common.py: added tests for more cases, get without default, getall non-existing key etc. timestamp test changed to use new self.get_ts which is overridden in other tests. Test that datatypes survive storage. test/test_redis_session.py: test redis session store with sqlite and anydbm primary databases test/test_anydbm.py, test/test_sqlite.py add test to make sure the databases are properly set up sqlite - add test cases where anydbm is used as datastore anydbm - remove updateTimestamp override add get_ts(). test/test_config.py tests on redis_url and compatibility on choice of sessiondb backend .travis.yml: add redis db and redis-py
author John Rouillard <rouilj@ieee.org>
date Thu, 04 Aug 2022 14:41:58 -0400
parents 375d40a9e730
children fe0091279f50
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1 import os, shutil, time, unittest
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2
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3 from .db_test_base import config
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5 """
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6 here are three different impementations for these. I am trying to fix
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7 them so they all act the same.
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8
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9 set with invalid timestamp:
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10
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11 session_dbm/memorydb - sets to invalid timestamp if new or existing item.
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12 session_rdbms - sets to time.time if new item, keeps original
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13 if item exists. (note that the timestamp is
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14 a separate column, the timestamp embedded in the
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15 value object in the db has the bad __timestamp.
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16 reconciled: set to time.time for new item, keeps original time
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17 of existing item.
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18
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19 Also updateTimestamp does not update the marshalled values idea of
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20 __timestamp. So get(item, '__timestamp') will not work as expected
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21 for rdbms backends, need a sql query to get the timestamp column.
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22
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23 FIXME need to add getTimestamp method to sessions_rdbms.py and
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24 sessions_dbm.py.
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25
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26 """
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27 class SessionTest(object):
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28 def setUp(self):
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29 # remove previous test, ignore errors
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30 if os.path.exists(config.DATABASE):
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31 shutil.rmtree(config.DATABASE)
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32 os.makedirs(config.DATABASE + '/files')
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33 self.db = self.module.Database(config, 'admin')
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34 self.sessions = self.db.getSessionManager()
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35 self.otks = self.db.getOTKManager()
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36
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37 def tearDown(self):
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38 if hasattr(self, 'db'):
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39 self.db.close()
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40 if os.path.exists(config.DATABASE):
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41 shutil.rmtree(config.DATABASE)
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42
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43 def testList(self):
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44 '''Under dbm/memory sessions store, keys are returned as
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45 byte strings. self.s2b converts string to byte under those
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46 backends but is a no-op for rdbms based backends.
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47
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48 Unknown why keys can be strings not bytes for get/set
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49 and work correctly.
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50 '''
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51 self.sessions.list()
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52 self.sessions.set('random_key', text='hello, world!')
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53 self.sessions.set('random_key2', text='hello, world!')
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54 self.assertEqual(self.sessions.list().sort(),
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55 [self.s2b('random_key'), self.s2b('random_key2')].sort())
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57 def testGetGetAllMissingKey(self):
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58 self.assertEqual(self.sessions.get('badc_key',
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59 'text', 'default_val'),
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60 'default_val')
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61
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62 with self.assertRaises(KeyError) as e:
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63 self.sessions.get('badc_key', 'text')
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64
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65 with self.assertRaises(KeyError) as e:
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66 self.sessions.getall('badc_key')
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67
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68 def testGetAll(self):
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69 self.sessions.set('random_key', text='hello, world!', otherval='bar')
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70 self.assertEqual(self.sessions.getall('random_key'),
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71 {'text': 'hello, world!', 'otherval': 'bar'})
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72
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73 def testDestroy(self):
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74 self.sessions.set('random_key', text='hello, world!')
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75 self.assertEqual(self.sessions.getall('random_key'),
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76 {'text': 'hello, world!'})
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77 self.sessions.destroy('random_key')
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78 self.assertRaises(KeyError, self.sessions.getall, 'random_key')
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79
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80 def testClear(self):
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81 self.sessions.set('random_key', text='hello, world!')
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82 self.sessions.set('random_key2', text='hello, world!')
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83 self.sessions.set('random_key3', text='hello, world!')
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84 self.assertEqual(self.sessions.getall('random_key3'),
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85 {'text': 'hello, world!'})
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86 self.assertEqual(len(self.sessions.list()), 3)
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87 self.sessions.clear()
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88 self.assertEqual(len(self.sessions.list()), 0)
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89
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90 def testSetSession(self):
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91 self.sessions.set('random_key', text='hello, world!', otherval='bar')
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92 self.assertEqual(self.sessions.get('random_key', 'text'),
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93 'hello, world!')
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94 self.assertEqual(self.sessions.get('random_key', 'otherval'),
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95 'bar')
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96
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97 def testUpdateSession(self):
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98 self.sessions.set('random_key', text='hello, world!')
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99 self.assertEqual(self.sessions.get('random_key', 'text'),
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100 'hello, world!')
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101 self.sessions.set('random_key', text='nope')
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102 self.assertEqual(self.sessions.get('random_key', 'text'), 'nope')
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103
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104 def testBadTimestamp(self):
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105 self.sessions.set('random_key',
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106 text='hello, world!',
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107 __timestamp='not a timestamp')
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108 ts = self.sessions.get('random_key', '__timestamp')
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109 self.assertNotEqual(ts, 'not a timestamp')
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110 # use {1,7} because db's don't pad the fraction to 7 digits.
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111 ts_re=r'^[0-9]{10,16}\.[0-9]{1,7}$'
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112 try:
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113 self.assertRegex(str(ts), ts_re)
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114 except AttributeError: # 2.7 version
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115 import warnings
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116 with warnings.catch_warnings():
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117 warnings.filterwarnings("ignore",category=DeprecationWarning)
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118 self.assertRegexpMatches(str(ts), ts_re)
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119
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120 # now update with a bad timestamp, original timestamp should
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121 # be kept.
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122 self.sessions.set('random_key',
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123 text='hello, world2!',
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124 __timestamp='not a timestamp')
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125 item = self.sessions.get('random_key', "text")
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126 item_ts = self.sessions.get('random_key', "__timestamp")
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127 self.assertEqual(item, 'hello, world2!')
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128 self.assertAlmostEqual(ts, item_ts, 2)
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129
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130 # overridden in test_memory
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131 def testUpdateTimestamp(self):
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132 # make sure timestamp is older than one minute so update
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133 # will apply
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134 timestamp = time.time() - 62
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135 self.sessions.set('random_session', text='hello, world!',
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136 __timestamp=timestamp)
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137
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138 self.sessions.updateTimestamp('random_session')
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139 # this doesn't work as the rdbms backends have a
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140 # session_time, otk_time column and the timestamp in the
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141 # session marshalled payload isn't updated. The dbm
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142 # backend does update the __timestamp value so it works
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143 # for dbm.
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144 #self.assertNotEqual (self.sessions.get('random_session',
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145 # '__timestamp'),
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146 # timestamp)
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147
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148 # use 61 to allow a 1 second delay in test
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149 self.assertGreater(self.get_ts()[0] - timestamp, 61)
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150
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151 # overridden in test_anydbm
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152 def get_ts(self, key="random_session"):
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153 sql = '''select %(name)s_time from %(name)ss
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154 where %(name)s_key = '%(session)s';'''% \
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155 {'name': self.sessions.name,
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156 'session': key}
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157
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158 self.sessions.cursor.execute(sql)
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159 db_tstamp = self.sessions.cursor.fetchone()
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160 return db_tstamp
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161
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162 def testDataTypes(self):
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163 """make sure all data survives a round trip through the
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164 session database including data types.
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165
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166 Found this was a problem when trying to store the
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167 data using a redis hash that has no native data types
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168 for booleans and numbers get returned by redis module
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169 as strings.
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170 """
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171 in_data = {"text": 'hello, world!',
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172 "integer": 56,
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173 "float": 3.1425,
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174 "list": [ 1, "Two", 3.0, "Four" ],
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175 "boolean": True,
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176 "tuple": ("f", 4),
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177 }
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178
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179 self.sessions.set('random_data', **in_data)
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180 out_data = self.sessions.getall('random_data')
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181 self.assertEqual(in_data, out_data)
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182
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183 def testLifetime(self):
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184 ts = self.sessions.lifetime(300)
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185 week_ago = time.time() - 60*60*24*7
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186 self.assertGreater(week_ago + 302, ts)
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187 self.assertLess(week_ago + 298, ts)

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