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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/>.
#
"""
#bruker100 Unit tests
19/01/2015
"""
from __future__ import print_function, with_statement, division, absolute_import
import unittest
import os
import logging
logger = logging.getLogger(__name__)
from fabio.bruker100image import Bruker100Image
from fabio.openimage import openimage
from .utilstest import UtilsTest
# filename dim1 dim2 min max mean stddev
TESTIMAGES = """NaCl_10_01_0009.sfrm 512 512 -30 5912 34.4626 26.189
NaCl_10_01_0009.sfrm.gz 512 512 -30 5912 34.4626 26.189
NaCl_10_01_0009.sfrm.bz2 512 512 -30 5912 34.4626 26.189"""
REFIMAGE = "NaCl_10_01_0009.npy.bz2"
class TestBruker100(unittest.TestCase):
""" check some read data from bruker version100 detector"""
def setUp(self):
"""
download images
"""
UtilsTest.getimage(REFIMAGE)
self.im_dir = os.path.dirname(UtilsTest.getimage(TESTIMAGES.split()[0] + ".bz2"))
def test_read(self):
""" check we can read bruker100 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:]]
obj = Bruker100Image()
obj.read(os.path.join(self.im_dir, name))
self.assertAlmostEqual(mini, obj.getmin(), 2, "getmin")
self.assertAlmostEqual(maxi, obj.getmax(), 2, "getmax")
self.assertAlmostEqual(mean, obj.getmean(), 2, "getmean")
self.assertAlmostEqual(stddev, obj.getstddev(), 2, "getstddev")
self.assertEqual(dim1, obj.dim1, "dim1")
self.assertEqual(dim2, obj.dim2, "dim2")
def test_same(self):
""" check we can read bruker100 images"""
ref = openimage(os.path.join(self.im_dir, REFIMAGE))
for line in TESTIMAGES.split("\n"):
obt = openimage(os.path.join(self.im_dir, line.split()[0]))
self.assertTrue(abs(ref.data - obt.data).max() == 0, "data are the same")
def test_write(self):
fname = TESTIMAGES.split()[0]
obt = openimage(os.path.join(self.im_dir, fname))
name = os.path.basename(fname)
obj = Bruker100Image(data=obt.data, header=obt.header)
obj.write(os.path.join(UtilsTest.tempdir, name))
other = openimage(os.path.join(UtilsTest.tempdir, name))
self.assertEqual(abs(obt.data - other.data).max(), 0, "data are the same")
for key in obt.header:
self.assertTrue(key in other.header, "Key %s is in header" % key)
self.assertEqual(obt.header[key], other.header[key], "value are the same for key %s" % key)
os.unlink(os.path.join(UtilsTest.tempdir, name))
def suite():
loadTests = unittest.defaultTestLoader.loadTestsFromTestCase
testsuite = unittest.TestSuite()
testsuite.addTest(loadTests(TestBruker100))
return testsuite
if __name__ == '__main__':
runner = unittest.TextTestRunner()
runner.run(suite())
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