diff options
Diffstat (limited to 'src/silx/gui/plot/test/testImageStack.py')
| -rw-r--r-- | src/silx/gui/plot/test/testImageStack.py | 113 |
1 files changed, 81 insertions, 32 deletions
diff --git a/src/silx/gui/plot/test/testImageStack.py b/src/silx/gui/plot/test/testImageStack.py index 702f0fe..482cdfd 100644 --- a/src/silx/gui/plot/test/testImageStack.py +++ b/src/silx/gui/plot/test/testImageStack.py @@ -1,6 +1,6 @@ # /*########################################################################## # -# Copyright (c) 2020 European Synchrotron Radiation Facility +# Copyright (c) 2020-2023 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 @@ -28,7 +28,6 @@ __license__ = "MIT" __date__ = "15/01/2020" -import unittest import tempfile import numpy import h5py @@ -38,7 +37,6 @@ from silx.gui.utils.testutils import TestCaseQt from silx.io.url import DataUrl from silx.gui.plot.ImageStack import ImageStack from silx.gui.utils.testutils import SignalListener -from collections import OrderedDict import os import time import shutil @@ -49,21 +47,21 @@ class TestImageStack(TestCaseQt): def setUp(self): TestCaseQt.setUp(self) - self.urls = OrderedDict() + self.urls = {} self._raw_data = {} self._folder = tempfile.mkdtemp() self._n_urls = 10 - file_name = os.path.join(self._folder, 'test_inage_stack_file.h5') - with h5py.File(file_name, 'w') as h5f: + file_name = os.path.join(self._folder, "test_inage_stack_file.h5") + with h5py.File(file_name, "w") as h5f: for i in range(self._n_urls): width = numpy.random.randint(10, 40) height = numpy.random.randint(10, 40) raw_data = numpy.random.random((width, height)) self._raw_data[i] = raw_data h5f[str(i)] = raw_data - self.urls[i] = DataUrl(file_path=file_name, - data_path=str(i), - scheme='silx') + self.urls[i] = DataUrl( + file_path=file_name, data_path=str(i), scheme="silx" + ) self.widget = ImageStack() self.urlLoadedListener = SignalListener() @@ -79,8 +77,7 @@ class TestImageStack(TestCaseQt): TestCaseQt.setUp(self) def testControls(self): - """Test that selection using the url table and the slider are working - """ + """Test that selection using the url table and the slider are working""" self.widget.show() self.assertEqual(self.widget.getCurrentUrl(), None) self.assertEqual(self.widget.getCurrentUrlIndex(), None) @@ -95,13 +92,15 @@ class TestImageStack(TestCaseQt): self.assertEqual(self.urlLoadedListener.callCount(), self._n_urls) numpy.testing.assert_array_equal( self.widget.getPlotWidget().getActiveImage(just_legend=False).getData(), - self._raw_data[0]) + self._raw_data[0], + ) self.assertEqual(self.widget._slider.value(), 0) self.widget._urlsTable.setUrl(self.urls[4]) numpy.testing.assert_array_equal( self.widget.getPlotWidget().getActiveImage(just_legend=False).getData(), - self._raw_data[4]) + self._raw_data[4], + ) self.assertEqual(self.widget._slider.value(), 4) self.assertEqual(self.widget.getCurrentUrl(), self.urls[4]) self.assertEqual(self.widget.getCurrentUrlIndex(), 4) @@ -109,9 +108,11 @@ class TestImageStack(TestCaseQt): self.widget._slider.setUrlIndex(6) numpy.testing.assert_array_equal( self.widget.getPlotWidget().getActiveImage(just_legend=False).getData(), - self._raw_data[6]) - self.assertEqual(self.widget._urlsTable.currentItem().text(), - self.urls[6].path()) + self._raw_data[6], + ) + self.assertEqual( + self.widget._urlsTable.currentItem().text(), self.urls[6].path() + ) def testCurrentUrlSignals(self): """Test emission of 'currentUrlChangedListener'""" @@ -151,26 +152,72 @@ class TestImageStack(TestCaseQt): self.assertEqual(urls_values[0], self.urls[0]) self.assertEqual(urls_values[7], self.urls[7]) - self.assertEqual(self.widget._getNextUrl(urls_values[2]).path(), - urls_values[3].path()) + self.assertEqual( + self.widget._getNextUrl(urls_values[2]).path(), urls_values[3].path() + ) self.assertEqual(self.widget._getPreviousUrl(urls_values[0]), None) - self.assertEqual(self.widget._getPreviousUrl(urls_values[6]).path(), - urls_values[5].path()) - - self.assertEqual(self.widget._getNNextUrls(2, urls_values[0]), - urls_values[1:3]) - self.assertEqual(self.widget._getNNextUrls(5, urls_values[7]), - urls_values[8:]) - self.assertEqual(self.widget._getNPreviousUrls(3, urls_values[2]), - urls_values[:2]) - self.assertEqual(self.widget._getNPreviousUrls(5, urls_values[8]), - urls_values[3:8]) + self.assertEqual( + self.widget._getPreviousUrl(urls_values[6]).path(), urls_values[5].path() + ) + + self.assertEqual(self.widget._getNNextUrls(2, urls_values[0]), urls_values[1:3]) + self.assertEqual(self.widget._getNNextUrls(5, urls_values[7]), urls_values[8:]) + self.assertEqual( + self.widget._getNPreviousUrls(3, urls_values[2]), urls_values[:2] + ) + self.assertEqual( + self.widget._getNPreviousUrls(5, urls_values[8]), urls_values[3:8] + ) + + def testRemoveUrlFromList(self): + """ + Test behavior when some item (url) are removed from the list + """ + self.widget.setUrlsEditable(True) + self.widget.show() + self.widget.setUrls(list(self.urls.values())) + self.assertEqual(len(self.widget.getUrls()), len(self.urls)) + + # wait for image to be loaded + self._waitUntilUrlLoaded() + ll_slider = self.widget._slider._slider + assert ll_slider.maximum() - ll_slider.minimum() + 1 == len(self.urls) + + # remove some urls from the list (~ simulating behavior with a right click) + urlsTable = self.widget._urlsTable._urlsTable + urlsTable.clearSelection() + urlsTable.item(1).setSelected(True) + urlsTable.item(2).setSelected(True) + urlsTable._removeSelectedItems() + self.qapp.processEvents() + + # make sure slider has been updated + assert ll_slider.maximum() - ll_slider.minimum() + 1 == len(self.urls) - 2 + # as the ImageStack widget + assert len(self.widget._urls) == len(self.urls) - 2 + removed_urls = list(self.urls.values())[1:3] + + existing_urls_as_str = [url.path() for url in self.widget._urls.values()] + for removed_url in removed_urls: + assert type(removed_url) == type(tuple(self.widget._urls.values())[0]) + assert removed_url.path() not in existing_urls_as_str + # make sure we have some data plot + self.widget.getPlotWidget().getActiveImage() is not None + + # test removing remaining urls + urlsTable.selectAll() + urlsTable._removeSelectedItems() + self.qapp.processEvents() + assert len(self.widget._urls) == 0 + assert ll_slider.maximum() - ll_slider.minimum() == 0 + # make sure if all urls are removed nothing is plot anymore + self.widget.getPlotWidget().getActiveImage() is None def _waitUntilUrlLoaded(self, timeout=2.0): """Wait until all image urls are loaded""" loop_duration = 0.2 remaining_duration = timeout - while(len(self.widget._loadingThreads) > 0 and remaining_duration > 0): + while len(self.widget._loadingThreads) > 0 and remaining_duration > 0: remaining_duration -= loop_duration time.sleep(loop_duration) self.qapp.processEvents() @@ -179,7 +226,9 @@ class TestImageStack(TestCaseQt): remaining_urls = [] for thread_ in self.widget._loadingThreads: remaining_urls.append(thread_.url.path()) - mess = 'All images are not loaded after the time out. ' \ - 'Remaining urls are: ' + str(remaining_urls) + mess = ( + "All images are not loaded after the time out. " + "Remaining urls are: " + str(remaining_urls) + ) raise TimeoutError(mess) return True |