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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)
# 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.
#
"""Test Eiger images
"""
import unittest
import os
import logging
logger = logging.getLogger(__name__)
import numpy
from fabio.openimage import openimage
from fabio.limaimage import LimaImage, h5py
from ..utilstest import UtilsTest
from ..test_frames import _CommonTestFrames
def make_hdf5(name, shape=(50, 99, 101)):
if h5py is None:
raise unittest.SkipTest("h5py is not available")
with h5py.File(name, mode="w") as h:
h.attrs["creator"] = "LIMA"
h.attrs["default"] = "/entry"
e = h.require_group("/entry/measurement")
if len(shape) == 2:
e.require_dataset("data", shape, compression="gzip", compression_opts=9, dtype="uint16")
elif len(shape) == 3:
e.require_dataset("data", shape, chunks=(1,) + shape[1:], compression="gzip", compression_opts=9, dtype="uint16")
class TestLima(_CommonTestFrames):
"""basic test"""
@classmethod
def setUpClass(cls):
cls.fn3 = os.path.join(UtilsTest.tempdir, "lima3d.h5")
print(cls.fn3 )
make_hdf5(cls.fn3, (17, 99, 101))
super(TestLima, cls).setUpClass()
@classmethod
def getMeta(cls):
filename = cls.fn3
class Meta(object):
pass
meta = Meta()
meta.image = None
meta.filename = filename
meta.nframes = 17
return meta
@classmethod
def tearDownClass(cls):
super(TestLima, cls).tearDownClass()
if os.path.exists(cls.fn3):
os.unlink(cls.fn3)
def test_read(self):
"""test_read check we can read images from Lima"""
e = LimaImage()
e.read(self.fn3)
self.assertEqual(e.shape, (99, 101))
self.assertEqual(e.nframes, 17, "nframe: got %s!=17" % e.nframes)
self.assertEqual(e.bpp, 2, "bpp OK")
def test_open(self):
"""test_open check we can read images from Lima"""
e = openimage(self.fn3)
self.assertEqual(e.shape, (99, 101))
self.assertEqual(e.nframes, 17, "nframe: got %s!=17" % e.nframes)
self.assertEqual(e.bpp, 2, "bpp OK")
def test_write(self):
fn = os.path.join(UtilsTest.tempdir, "lima_write.h5")
shape=(10, 11, 13)
ary = numpy.random.randint(0, 100, size=shape)
e = LimaImage()
for i, d in enumerate(ary):
e.set_data(d, i)
self.assertEqual(shape[0], e.nframes, "shape matches")
self.assertEqual(shape[1:], e.shape, "shape matches")
e.save(fn)
self.assertTrue(os.path.exists(fn), "file exists")
f = openimage(fn)
self.assertEqual(str(f.__class__.__name__), "LimaImage", "Used the write reader")
self.assertEqual(shape[0], f.nframes, "shape matches")
self.assertEqual(shape[1:], f.shape, "shape matches")
self.assertEqual(abs(f.data-ary[0]).max(), 0, "first frame matches")
for i,g in enumerate(f):
self.assertEqual(abs(g.data-ary[i]).max(), 0, f"frame {i} matches")
def suite():
loadTests = unittest.defaultTestLoader.loadTestsFromTestCase
testsuite = unittest.TestSuite()
testsuite.addTest(loadTests(TestLima))
return testsuite
if __name__ == '__main__':
runner = unittest.TextTestRunner()
runner.run(suite())
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