diff options
Diffstat (limited to 'src/silx/gui/data/test/test_numpyaxesselector.py')
-rw-r--r-- | src/silx/gui/data/test/test_numpyaxesselector.py | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/silx/gui/data/test/test_numpyaxesselector.py b/src/silx/gui/data/test/test_numpyaxesselector.py new file mode 100644 index 0000000..37b8d3e --- /dev/null +++ b/src/silx/gui/data/test/test_numpyaxesselector.py @@ -0,0 +1,150 @@ +# coding: utf-8 +# /*########################################################################## +# +# Copyright (c) 2016-2019 European Synchrotron Radiation Facility +# +# 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. +# +# ###########################################################################*/ +__authors__ = ["V. Valls"] +__license__ = "MIT" +__date__ = "29/01/2018" + +import os +import tempfile +import unittest +from contextlib import contextmanager + +import numpy + +from silx.gui.data.NumpyAxesSelector import NumpyAxesSelector +from silx.gui.utils.testutils import SignalListener +from silx.gui.utils.testutils import TestCaseQt + +import h5py + + +class TestNumpyAxesSelector(TestCaseQt): + + def test_creation(self): + data = numpy.arange(3 * 3 * 3) + data.shape = 3, 3, 3 + widget = NumpyAxesSelector() + widget.setVisible(True) + + def test_none(self): + data = numpy.arange(3 * 3 * 3) + widget = NumpyAxesSelector() + widget.setData(data) + widget.setData(None) + result = widget.selectedData() + self.assertIsNone(result) + + def test_output_samedim(self): + data = numpy.arange(3 * 3 * 3) + data.shape = 3, 3, 3 + expectedResult = data + + widget = NumpyAxesSelector() + widget.setAxisNames(["x", "y", "z"]) + widget.setData(data) + result = widget.selectedData() + self.assertTrue(numpy.array_equal(result, expectedResult)) + + def test_output_moredim(self): + data = numpy.arange(3 * 3 * 3 * 3) + data.shape = 3, 3, 3, 3 + expectedResult = data + + widget = NumpyAxesSelector() + widget.setAxisNames(["x", "y", "z", "boum"]) + widget.setData(data[0]) + result = widget.selectedData() + self.assertIsNone(result) + widget.setData(data) + result = widget.selectedData() + self.assertTrue(numpy.array_equal(result, expectedResult)) + + def test_output_lessdim(self): + data = numpy.arange(3 * 3 * 3) + data.shape = 3, 3, 3 + expectedResult = data[0] + + widget = NumpyAxesSelector() + widget.setAxisNames(["y", "x"]) + widget.setData(data) + result = widget.selectedData() + self.assertTrue(numpy.array_equal(result, expectedResult)) + + def test_output_1dim(self): + data = numpy.arange(3 * 3 * 3) + data.shape = 3, 3, 3 + expectedResult = data[0, 0, 0] + + widget = NumpyAxesSelector() + widget.setData(data) + result = widget.selectedData() + self.assertTrue(numpy.array_equal(result, expectedResult)) + + @contextmanager + def h5_temporary_file(self): + # create tmp file + fd, tmp_name = tempfile.mkstemp(suffix=".h5") + os.close(fd) + data = numpy.arange(3 * 3 * 3) + data.shape = 3, 3, 3 + # create h5 data + h5file = h5py.File(tmp_name, "w") + h5file["data"] = data + yield h5file + # clean up + h5file.close() + os.unlink(tmp_name) + + def test_h5py_dataset(self): + with self.h5_temporary_file() as h5file: + dataset = h5file["data"] + expectedResult = dataset[0] + + widget = NumpyAxesSelector() + widget.setData(dataset) + widget.setAxisNames(["y", "x"]) + result = widget.selectedData() + self.assertTrue(numpy.array_equal(result, expectedResult)) + + def test_data_event(self): + data = numpy.arange(3 * 3 * 3) + widget = NumpyAxesSelector() + listener = SignalListener() + widget.dataChanged.connect(listener) + widget.setData(data) + widget.setData(None) + self.assertEqual(listener.callCount(), 2) + + def test_selected_data_event(self): + data = numpy.arange(3 * 3 * 3) + data.shape = 3, 3, 3 + widget = NumpyAxesSelector() + listener = SignalListener() + widget.selectionChanged.connect(listener) + widget.setData(data) + widget.setAxisNames(["x"]) + widget.setData(None) + self.assertEqual(listener.callCount(), 3) + listener.clear() |