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#/*##########################################################################
#
# The PyMca X-Ray Fluorescence Toolkit
#
# Copyright (c) 2004-2014 European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software group.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
#############################################################################*/
__author__ = "V. Armando Sole - ESRF Data Analysis"
__contact__ = "sole@esrf.fr"
__license__ = "MIT"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
import unittest
import sys
import os
import gc
import tempfile
import numpy
class testEdfFile(unittest.TestCase):
def setUp(self):
"""
import the EdfFile module
"""
tmpFile = tempfile.mkstemp(text=False)
os.close(tmpFile[0])
self.fname = tmpFile[1]
try:
from PyMca5.PyMcaIO.EdfFile import EdfFile
self.fileClass = EdfFile
except:
self.fileClass = None
def tearDown(self):
"""clean up any possible files"""
gc.collect()
if self.fileClass is not None:
if os.path.exists(self.fname):
os.remove(self.fname)
def testEdfFileImport(self):
#"""Test successful import"""
self.assertTrue(self.fileClass is not None)
def testEdfFileReadWrite(self):
# create a file
self.assertTrue(self.fileClass is not None)
data = numpy.arange(10000).astype(numpy.int32)
data.shape = 100, 100
edf = self.fileClass(self.fname, 'wb+')
edf.WriteImage({'Title': "title",
'key': 'key'}, data)
edf = None
# read it
edf = self.fileClass(self.fname, 'rb')
# the number of images
nImages = edf.GetNumImages()
self.assertEqual(nImages, 1)
# the header information
header = edf.GetHeader(0)
self.assertEqual(header['Title'], "title")
self.assertEqual(header['key'], "key")
#the data information
readData = edf.GetData(0)
self.assertEqual(readData.dtype, numpy.int32,
'Read type %s instead of %s' %\
(readData.dtype, numpy.int32))
self.assertEqual(readData[10,20], data[10,20])
self.assertEqual(readData[20,10], data[20,10])
edf =None
# add a second Image
edf = self.fileClass(self.fname, 'rb+')
edf.WriteImage({'Title': "title2", 'key': 'key2'},
data.astype(numpy.float32), Append=1)
edf = None
# read it
edf = self.fileClass(self.fname, 'rb')
# the number of images
nImages = edf.GetNumImages()
self.assertEqual(nImages, 2)
# the header information
header = edf.GetHeader(1)
self.assertEqual(header['Title'], "title2")
self.assertEqual(header['key'], "key2")
# the data information
readData = edf.GetData(1)
self.assertEqual(readData.dtype, numpy.float32)
self.assertTrue(abs(readData[10,20]-data[10,20]) < 0.00001)
self.assertTrue(abs(readData[20,10]-data[20,10]) < 0.00001)
edf =None
gc.collect()
def getSuite(auto=True):
testSuite = unittest.TestSuite()
if auto:
testSuite.addTest(\
unittest.TestLoader().loadTestsFromTestCase(testEdfFile))
else:
# use a predefined order
testSuite.addTest(testEdfFile("testEdfFileImport"))
testSuite.addTest(testEdfFile("testEdfFileReadWrite"))
return testSuite
def test(auto=False):
unittest.TextTestRunner(verbosity=2).run(getSuite(auto=auto))
if __name__ == '__main__':
test()
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