/usr/lib/python2.7/dist-packages/fabio/test/testmar345image.py is in python-fabio 0.3.0+dfsg-1build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Project: Fable Input Output
# https://github.com/kif/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
28/11/2014
"""
from __future__ import print_function, with_statement, division, absolute_import
import unittest
import sys
import os
import numpy
import gzip
import logging
if __name__ == '__main__':
import pkgutil
__path__ = pkgutil.extend_path([os.path.dirname(__file__)], "fabio.test")
from .utilstest import UtilsTest
logger = UtilsTest.get_logger(__file__)
fabio = sys.modules["fabio"]
from fabio.mar345image import mar345image
# filename dim1 dim2 min max mean stddev
TESTIMAGES = """example.mar2300 2300 2300 0 999999 180.15 4122.67
example.mar2300.bz2 2300 2300 0 999999 180.15 4122.67
example.mar2300.gz 2300 2300 0 999999 180.15 4122.67
Fe3O4_023_101.mar2560 2560 3072 0 258253 83.61749 198.29895739775
Fe3O4_023_101.mar2560.bz2 2560 3072 0 258253 83.61749 198.29895739775
Fe3O4_023_101.mar2560.gz 2560 3072 0 258253 83.61749 198.29895739775"""
# Fe3O4_023_101.mar2560 is a pathological file from Mar555
class TestMar345(unittest.TestCase):
def setUp(self):
"""
download images
"""
self.mar345 = UtilsTest.getimage("example.mar2300.bz2")[:-4]
self.mar555 = UtilsTest.getimage("Fe3O4_023_101.mar2560.bz2")[:-4]
def tearDown(self):
unittest.TestCase.tearDown(self)
self.mar345 = self.mar555 = None
def test_read(self):
"""
Test the reading of Mar345 images
"""
for line in TESTIMAGES.split('\n'):
vals = line.strip().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 = mar345image()
obj.read(UtilsTest.getimage(name))
self.assertAlmostEqual(mini, obj.getmin(), 2, "getmin [%s,%s]" % (mini, obj.getmin()))
self.assertAlmostEqual(maxi, obj.getmax(), 2, "getmax [%s,%s]" % (maxi, obj.getmax()))
self.assertAlmostEqual(mean, obj.getmean(), 2, "getmean [%s,%s]" % (mean, obj.getmean()))
self.assertAlmostEqual(stddev, obj.getstddev(), 2, "getstddev [%s,%s]" % (stddev, obj.getstddev()))
self.assertEqual(dim1, obj.dim1, "dim1")
self.assertEqual(dim2, obj.dim2, "dim2")
def test_write(self):
"Test writing with self consistency at the fabio level"
for line in TESTIMAGES.split("\n"):
logger.debug("Processing file: %s" % line)
vals = line.split()
name = vals[0]
obj = mar345image()
obj.read(os.path.join(os.path.dirname(self.mar345), name))
obj.write(os.path.join(UtilsTest.tempdir, name))
other = mar345image()
other.read(os.path.join(UtilsTest.tempdir, name))
self.assertEqual(abs(obj.data - other.data).max(), 0, "data are the same")
for key in obj.header:
if key == "filename":
continue
self.assertTrue(key in other.header, "Key %s is in header" % key)
self.assertEqual(obj.header[key], other.header[key], "value are the same for key %s: [%s|%s]" % (key, obj.header[key], other.header[key]))
os.unlink(os.path.join(UtilsTest.tempdir, name))
def test_byteswap_write(self):
"Test writing with self consistency at the fabio level"
for line in TESTIMAGES.split("\n"):
logger.debug("Processing file: %s" % line)
vals = line.split()
name = vals[0]
obj = mar345image()
obj.read(os.path.join(os.path.dirname(self.mar345), name))
obj.swap_needed = not (obj.swap_needed)
obj.write(os.path.join(UtilsTest.tempdir, name))
other = mar345image()
other.read(os.path.join(UtilsTest.tempdir, name))
self.assertEqual(abs(obj.data - other.data).max(), 0, "data are the same")
for key in obj.header:
if key == "filename":
continue
self.assertTrue(key in other.header, "Key %s is in header" % key)
self.assertEqual(obj.header[key], other.header[key], "value are the same for key %s: [%s|%s]" % (key, obj.header[key], other.header[key]))
os.unlink(os.path.join(UtilsTest.tempdir, name))
def test_memoryleak(self):
"""
This test takes a lot of time, so only in debug mode.
"""
N = 1000
if logger.getEffectiveLevel() <= logging.INFO:
logger.debug("Testing for memory leak")
for i in range(N):
img = fabio.open(self.mar345)
print("reading #%s/%s" % (i, N))
def suite():
testsuite = unittest.TestSuite()
testsuite.addTest(TestMar345("test_read"))
testsuite.addTest(TestMar345("test_write"))
testsuite.addTest(TestMar345("test_byteswap_write"))
testsuite.addTest(TestMar345("test_memoryleak"))
return testsuite
if __name__ == '__main__':
runner = unittest.TextTestRunner()
runner.run(suite)
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