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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Project: Fable Input Output
# https://github.com/silx-kit/fabio
#
# Copyright (C) European Synchrotron Radiation Facility, Grenoble, France
#
# Principal author: Jérôme Kieffer (Jerome.Kieffer@ESRF.eu)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""
# Unit tests
# builds on stuff from ImageD11.test.testpeaksearch
Updated by Jerome Kieffer (jerome.kieffer@esrf.eu), 2011
"""
from __future__ import print_function, with_statement, division, absolute_import
__date__ = "22/10/2018"
__author__ = "jerome Kieffer"
import unittest
import os
import logging
logger = logging.getLogger(__name__)
import fabio
from fabio.dm3image import Dm3Image
from .utilstest import UtilsTest
# statistics come from fit2d I think
# filename dim1 dim2 min max mean stddev
TESTIMAGES = """ref_d20x_310mm.dm3 2048 2048 -31842.354 23461.672 569.38782 1348.4183
ref_d20x_310mm.dm3.gz 2048 2048 -31842.354 23461.672 569.38782 1348.4183
ref_d20x_310mm.dm3.bz2 2048 2048 -31842.354 23461.672 569.38782 1348.4183"""
class TestDm3Image(unittest.TestCase):
"""
"""
def setUp(self):
""" Download images """
self.im_dir = os.path.dirname(UtilsTest.getimage("ref_d20x_310mm.dm3.bz2"))
def test_read(self):
""" check we can read dm3 images"""
for line in TESTIMAGES.split("\n"):
vals = line.split()
name = vals[0]
dim1, dim2 = [int(x) for x in vals[1:3]]
mini, maxi, mean, stddev = [float(x) for x in vals[3:]]
fname = os.path.join(self.im_dir, name)
obj1 = Dm3Image()
obj1.read(fname)
obj2 = fabio.open(fname)
for obj in (obj1, obj2):
self.assertAlmostEqual(mini, obj.getmin(), 2, "getmin")
self.assertAlmostEqual(maxi, obj.getmax(), 2, "getmax")
got_mean = obj.getmean()
self.assertAlmostEqual(mean, got_mean, 2, "getmean exp %s != got %s" % (mean, got_mean))
self.assertAlmostEqual(stddev, obj.getstddev(), 2, "getstddev")
self.assertEqual(dim1, obj.dim1, "dim1")
self.assertEqual(dim2, obj.dim2, "dim2")
def suite():
loadTests = unittest.defaultTestLoader.loadTestsFromTestCase
testsuite = unittest.TestSuite()
testsuite.addTest(loadTests(TestDm3Image))
return testsuite
if __name__ == '__main__':
runner = unittest.TextTestRunner()
runner.run(suite())
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