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annotate tests/unit.py @ 113:f7bc409add34

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alter some comments
author Jeff Hammel <jhammel@mozilla.com>
date Thu, 28 Jun 2012 14:48:17 -0700
parents a2184db43fe2
children 56db0b2b90af
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1 #!/usr/bin/env python
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2
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3 """
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4 unit tests
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5 """
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6
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7 import configuration
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8 import os
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9 import sys
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10 import tempfile
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11 import unittest
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12
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13 try:
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14 import json
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15 except ImportError:
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16 import simplejson as json
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17
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18 from example import ExampleConfiguration # example configuration to test
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19
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20 # globals
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21 here = os.path.dirname(os.path.abspath(__file__))
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22
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23 class ConfigurationUnitTest(unittest.TestCase):
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25 def test_cli(self):
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26 """test command line interface"""
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27
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28 example = ExampleConfiguration()
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29
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30 # parse command line arguments
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31 options, args = example.parse_args(['-a', 'ts', '--develop', '-e', '/home/jhammel/bin/firefox'])
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32
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33 # ensure that the options appropriately get set
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34 self.assertEqual(bool(args), False) # no arguments
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35 self.assertEqual(options.develop, True)
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36 self.assertEqual(options.activeTests, ['ts'])
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37 self.assertEqual(options.browser_path, '/home/jhammel/bin/firefox')
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38
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39 # ensure that the configuration appropriately gets updated
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40 self.assertEqual(example.config['develop'], True)
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41 self.assertEqual(example.config['activeTests'], ['ts'])
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42 self.assertEqual(example.config['browser_path'], '/home/jhammel/bin/firefox')
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44 def test_dict(self):
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45 """test dictionary parsing from the "command line" """
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47
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48 # test adding a preference
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49 example = ExampleConfiguration()
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50 options, args = example.parse_args(['-a', 'ts', '--develop', '-e', '/home/jhammel/bin/firefox',
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51 '--pref', 'hangmonitor.timeout=0'])
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52 self.assertTrue('hangmonitor.timeout' in options.preferences)
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53
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54 # test overriding a preference
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55 example = ExampleConfiguration()
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56 options, args = example.parse_args(['-a', 'ts', '--develop', '-e', '/home/jhammel/bin/firefox',
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57 '--pref', 'browser.bookmarks.max_backups=1'])
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58 self.assertTrue(options.preferences['browser.bookmarks.max_backups'] == '1')
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61
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62 def test_configuration_providers(self):
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63 """test file-based configuration providers"""
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64 # requires json/simplejson to be installed
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66 example = ExampleConfiguration()
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67
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68 # see what providers you got
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69 json_provider = example.configuration_provider('json')
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70 self.assertTrue(isinstance(json_provider, configuration.JSON))
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71
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72 # serialize to a temporary file
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73 filename = tempfile.mktemp(suffix='.json')
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74 self.assertEqual(example.filename2format(filename), 'json')
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75 self.assertFalse(os.path.exists(filename))
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76 config = {'browser_path': '/home/jhammel/bin/firefox',
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77 'activeTests': ['ts']}
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78 example(config)
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79 config['test_timeout'] = 1200 # default
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80 config['preferences'] = {"browser.bookmarks.max_backups": 0,
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81 "browser.cache.disk.smart_size.enabled": False}
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82
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83 # ensure they are equal
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84 self.assertEqual(config, example.config)
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85 example.serialize(filename)
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86 self.assertTrue(os.path.exists(filename))
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87 serialized = json.loads(file(filename).read())
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88 self.assertEqual(serialized, config)
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89
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90 # deserialize
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91 deserialized = example.deserialize(filename)
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92 self.assertEqual(deserialized, config)
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93
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94 # cleanup
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95 if os.path.exists(filename):
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96 os.remove(filename)
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97
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98 def test_missing_values(self):
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99 """ensure that Configuration raises a missing value exception"""
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100
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101 example = ExampleConfiguration()
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102
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103 # monkey-patch the error method from optparse.OptionParser
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104 error_msg = []
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105 def error(msg):
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106 error_msg.append(msg)
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107 example.error = error
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108
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109 # trigger it
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110 example.parse_args(args=[])
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111 self.assertEqual(error_msg, ['Parameter browser_path is required but not present'])
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112
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113 def test_required(self):
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114 """ensure you have to have required values"""
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115
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116 example = ExampleConfiguration()
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117
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118 # ensure you get an exception
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119 missingvalueexception = None
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120 try:
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121 example()
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122 except configuration.MissingValueException, e:
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123 missingvalueexception = e
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124 self.assertTrue(isinstance(e, configuration.MissingValueException))
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125
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126
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127 def test_multiple_configurations(self):
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128 """test having multiple configurations"""
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129
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130 # simple override
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131 args1 = ['-e', '/opt/bin/firefox']
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132
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133 # simple serialized file
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134 json_file = os.path.join(here, 'base.json')
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135 assert os.path.exists(json_file)
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136 json_config = json.loads(file(json_file).read())
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137
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138 # parse the json file
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139 example = ExampleConfiguration()
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140 example.parse_args([json_file])
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141 self.assertEqual(example.config, json_config)
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142
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143 # parse the json file with overrides
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144 example = ExampleConfiguration()
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145 example.parse_args([json_file] + args1)
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146 config = json_config.copy()
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147 config['browser_path'] = '/opt/bin/firefox'
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148 self.assertEqual(example.config, config)
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149
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150 # it shouldn't matter in which order the arguments are
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151 example = ExampleConfiguration()
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152 example.parse_args(args1 + [json_file])
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153 self.assertEqual(example.config, config)
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154
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155 # Now a tricky case:
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156 # the default value for test_timeout is 1200:
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157 example = ExampleConfiguration()
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158 self.assertEqual(example.options['test_timeout']['default'], 1200)
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159 # The value from base.json is 60:
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160 self.assertEqual(json_config['test_timeout'], 60)
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161 self.assertEqual(config['test_timeout'], 60)
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162 # but we can override it back from the "command line"
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163 example.parse_args(args1 + [json_file, '--test_timeout', '1200'])
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164 config['test_timeout'] = 1200
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165 self.assertEqual(example.config, config)
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166
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167 def test_extend(self):
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168
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169 # default preferences
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170 example = ExampleConfiguration()
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171 default_prefs = {"browser.bookmarks.max_backups": 0,
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172 "browser.cache.disk.smart_size.enabled": False}
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173 example.parse_args(['-a', 'ts', '-e', '/opt/bin/firefox'])
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174 self.assertEqual(example.config['preferences'], default_prefs)
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175
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176 # now extend them
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177 example = ExampleConfiguration()
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178 default_prefs['network.dns.ipv4OnlyDomains'] = 'localhost'
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179 tf = tempfile.mktemp()
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180 f = file(tf, 'w')
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181 f.write(json.dumps({'preferences': {'network.dns.ipv4OnlyDomains': 'localhost'}}))
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182 f.close()
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183 example.parse_args(['-a', 'ts', '-e', '/opt/bin/firefox', tf])
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184 self.assertEqual(example.config['preferences'], default_prefs)
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185 os.remove(tf)
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186
0
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187 if __name__ == '__main__':
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188 unittest.main()