| 83 |
def temp_dir(self): |
def temp_dir(self): |
| 84 |
"""Return the name of the directory for the temporary files""" |
"""Return the name of the directory for the temporary files""" |
| 85 |
return create_temp_dir() |
return create_temp_dir() |
| 86 |
|
|
| 87 |
|
|
| 88 |
|
class FloatComparisonMixin: |
| 89 |
|
|
| 90 |
|
""" |
| 91 |
|
Mixin class for tests comparing floating point numbers. |
| 92 |
|
|
| 93 |
|
This class provides a few methods for testing floating point |
| 94 |
|
operations. |
| 95 |
|
""" |
| 96 |
|
|
| 97 |
|
fp_epsilon = 1e-6 |
| 98 |
|
|
| 99 |
|
def assertFloatEqual(self, test, value): |
| 100 |
|
"""Assert equality of test and value with some tolerance. |
| 101 |
|
|
| 102 |
|
Assert that the absolute difference between test and value is |
| 103 |
|
less than self.fp_epsilon. |
| 104 |
|
""" |
| 105 |
|
return self.assert_(self.fp_epsilon > abs(test - value)) |
| 106 |
|
|
| 107 |
|
def assertFloatSeqEqual(self, test, value, epsilon = None): |
| 108 |
|
"""Assert equality of the sequences test and value with some tolerance. |
| 109 |
|
|
| 110 |
|
Assert that the absolute difference between each corresponding |
| 111 |
|
value in test and value is less than the optional parameter |
| 112 |
|
epsilon. If epsilon is not given use self.fp_epsilon. |
| 113 |
|
""" |
| 114 |
|
if epsilon is None: |
| 115 |
|
epsilon = self.fp_epsilon |
| 116 |
|
for i in range(len(test)): |
| 117 |
|
return self.assert_(epsilon > abs(test[i] - value[i])) |
| 118 |
|
|
| 119 |
|
|
| 120 |
|
class SubscriberMixin: |
| 121 |
|
|
| 122 |
|
"""Mixin class for tests for messages sent through the Connector |
| 123 |
|
|
| 124 |
|
The SubscriberMixin has some methods that can be used as subscribers |
| 125 |
|
of events that when called append information about the message into |
| 126 |
|
a list of messages received. |
| 127 |
|
|
| 128 |
|
A derived class should call the clear_messages() method in both its |
| 129 |
|
setUp and tearDown methods to clear the list of messages received. |
| 130 |
|
""" |
| 131 |
|
|
| 132 |
|
def clear_messages(self): |
| 133 |
|
"""Clear the list of received messages. |
| 134 |
|
|
| 135 |
|
Call this at least in the tests setUp and tearDown methods. It's |
| 136 |
|
important to do it in tearDown too because otherwise there may |
| 137 |
|
be cyclic references. |
| 138 |
|
""" |
| 139 |
|
self.received_messages = [] |
| 140 |
|
|
| 141 |
|
def subscribe_no_params(self): |
| 142 |
|
"""Method for subscriptions without parameters. |
| 143 |
|
|
| 144 |
|
Add an empty tuple to the list of received messages. |
| 145 |
|
""" |
| 146 |
|
self.received_messages.append(()) |
| 147 |
|
|
| 148 |
|
def subscribe_with_params(self, *args): |
| 149 |
|
"""Method for subscriptions with parameters. |
| 150 |
|
|
| 151 |
|
Append the tuple will all arguments to this function (except for |
| 152 |
|
the self argument) to the list of received messages. |
| 153 |
|
""" |
| 154 |
|
self.received_messages.append(args) |
| 155 |
|
|
| 156 |
|
def check_messages(self, messages): |
| 157 |
|
"""Check whether the messages received match the list messages""" |
| 158 |
|
self.assertEquals(messages, self.received_messages) |
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