#!/usr/bin/env python
##############################################################################
##
# This file is part of Sardana
##
# http://www.sardana-controls.org/
##
# Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
##
# Sardana is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
##
# Sardana is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
##
# You should have received a copy of the GNU Lesser General Public License
# along with Sardana. If not, see <http://www.gnu.org/licenses/>.
##
##############################################################################
"""Unit tests for sardanavalue module"""
import unittest
from sardana.sardanavalue import SardanaValue
[docs]class SardanaValueTestCase(unittest.TestCase):
"""Instantiating in different ways a Sardana Value and perform some
verifications.
"""
[docs] def testInstanceCreation(self):
"""
Instantiate in different ways a SardanaValue object.
"""
sar_val = SardanaValue()
self.assertIsInstance(sar_val, SardanaValue, 'Instantiation of an ' +
'object SardanaValue without arguments does not work')
sar_val1 = SardanaValue(value=9)
self.assertIsInstance(sar_val1, SardanaValue, 'Instantiation of an ' +
'object SardanaValue with the value argument does not work')
sar_val2 = SardanaValue(value=8, exc_info=None,
timestamp='09:30', dtype='int', dformat='int')
self.assertIsInstance(sar_val2, SardanaValue, 'Instantiation of an ' +
'object SardanaValue with arguments and exc_info equal None, ' +
'does not work.')
sar_val3 = SardanaValue(value=7, exc_info='exception_info',
timestamp='09:30', dtype='int', dformat='int')
self.assertIsInstance(sar_val3, SardanaValue, 'Instantiation of an ' +
'object SardanaValue with arguments and exc_info ' +
'different of None, does not work.')
[docs] def testSardanaValueWithExceptionInfo(self):
"""Verify the creation of SardanaValue when exc_info != None.
Verify that 'Error' is contained in the returned string.
"""
val = 4
sar_val = SardanaValue(value=val, exc_info='exception_info')
representation = repr(sar_val)
self.assertEqual(sar_val.error, True,
'The error attribute should be True.')
self.assertRegex(representation, ".*<Error>.*",
'The SardanaValue representation does not contain <Error>.')
[docs] def testSardanaValueWithNoExceptionInfo(self):
"""Verify the creation of SardanaValue when exc_info is not specified
and we give a value as argument of the SardanaValue constructor.
SardanaValue representation shall contain its value.
"""
value = 5
sar_val = SardanaValue(value=value)
returned_string = sar_val.__repr__()
self.assertRegex(returned_string, repr(value),
'The SardanaValue representation does not contain its value')
self.assertEqual(sar_val.error, False,
'The error attribute should be False')