#!/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")