def testImageDataChanged(self):
"""Test sigItemChanged for ImageData"""
self.plot.addImage(numpy.arange(100).reshape(10, 10), legend='test')
image = self.plot.getImage('test')
listener = SignalListener()
image.sigItemChanged.connect(listener)
# ColormapMixIn
colormap = self.plot.getDefaultColormap().copy()
image.setColormap(colormap)
image.getColormap().setName('viridis')
# Test of signals in ImageBase class
image.setOrigin(10)
image.setScale(2)
# Test of signals in ImageData class
image.setData(numpy.ones((10, 10)))
self.assertEqual(listener.arguments(argumentIndex=0),
[ItemChangedType.COLORMAP,
ItemChangedType.COLORMAP,
ItemChangedType.POSITION,
ItemChangedType.SCALE,
ItemChangedType.DATA])
def test_data_event(self):
listener = SignalListener()
widget = self.create_widget()
widget.dataChanged.connect(listener)
widget.setData(10)
widget.setData(None)
self.assertEqual(listener.callCount(), 2)
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_display_mode_event(self):
listener = SignalListener()
widget = self.create_widget()
widget.displayedViewChanged.connect(listener)
widget.setData(10)
widget.setData(None)
modes = [v.modeId() for v in listener.arguments(argumentIndex=0)]
self.assertEqual(modes, [DataViews.RAW_MODE, DataViews.EMPTY_MODE])
listener.clear()
def test_event(self):
listener = SignalListener()
formatter = TextFormatter()
formatter.formatChanged.connect(listener)
formatter.setFloatFormat("%.3f")
formatter.setIntegerFormat("%03i")
formatter.setUseQuoteForText(False)
formatter.setImaginaryUnit("z")
self.assertEqual(listener.callCount(), 4)
def testStackFrameNumber(self):
self.stackview.setStack(self.mystack)
self.assertEqual(self.stackview.getFrameNumber(), 0)
listener = SignalListener()
self.stackview.sigFrameChanged.connect(listener)
self.stackview.setFrameNumber(1)
self.assertEqual(self.stackview.getFrameNumber(), 1)
self.assertEqual(listener.arguments(), [(1,)])
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()
def testHistogramChanged(self):
"""Test sigItemChanged for Histogram"""
self.plot.addHistogram(
numpy.arange(10), edges=numpy.arange(11), legend='test')
histogram = self.plot.getHistogram('test')
listener = SignalListener()
histogram.sigItemChanged.connect(listener)
# Test signals in Histogram class
histogram.setData(numpy.zeros(10), numpy.arange(11))
self.assertEqual(listener.arguments(argumentIndex=0),
[ItemChangedType.DATA])
def testImageRgbaChanged(self):
"""Test sigItemChanged for ImageRgba"""
self.plot.addImage(numpy.ones((10, 10, 3)), legend='rgb')
image = self.plot.getImage('rgb')
listener = SignalListener()
image.sigItemChanged.connect(listener)
# Test of signals in ImageRgba class
image.setData(numpy.zeros((10, 10, 3)))
self.assertEqual(listener.arguments(argumentIndex=0),
[ItemChangedType.DATA])
def testHistogramChanged(self):
"""Test sigItemChanged for Histogram"""
self.plot.addHistogram(numpy.arange(10),
edges=numpy.arange(11),
legend='test')
histogram = self.plot.getHistogram('test')
listener = SignalListener()
histogram.sigItemChanged.connect(listener)
# Test signals in Histogram class
histogram.setData(numpy.zeros(10), numpy.arange(11))
self.assertEqual(listener.arguments(argumentIndex=0),
[ItemChangedType.DATA])
def testShapeChanged(self):
"""Test sigItemChanged for shape"""
data = numpy.array((1., 10.))
self.plot.addItem(data, data, legend='test', shape='rectangle')
shape = self.plot._getItem(kind='item', legend='test')
listener = SignalListener()
shape.sigItemChanged.connect(listener)
shape.setOverlay(True)
shape.setPoints(((2., 2.), (3., 3.)))
self.assertEqual(listener.arguments(), [(ItemChangedType.OVERLAY, ),
(ItemChangedType.DATA, )])
def testCurveChanged(self):
"""Test sigItemChanged for curve"""
self.plot.addCurve(numpy.arange(10), numpy.arange(10), legend='test')
curve = self.plot.getCurve('test')
listener = SignalListener()
curve.sigItemChanged.connect(listener)
# Test for signal in Item class
curve.setVisible(False)
curve.setVisible(True)
curve.setZValue(100)
# Test for signals in PointsBase class
curve.setData(numpy.arange(100), numpy.arange(100))
# SymbolMixIn
curve.setSymbol('Circle')
curve.setSymbol('d')
curve.setSymbolSize(20)
# AlphaMixIn
curve.setAlpha(0.5)
# Test for signals in Curve class
# ColorMixIn
curve.setColor('yellow')
# YAxisMixIn
curve.setYAxis('right')
# FillMixIn
curve.setFill(True)
# LineMixIn
curve.setLineStyle(':')
curve.setLineStyle(':') # Not sending event
curve.setLineWidth(2)
self.assertEqual(listener.arguments(argumentIndex=0),
[ItemChangedType.VISIBLE,
ItemChangedType.VISIBLE,
ItemChangedType.ZVALUE,
ItemChangedType.DATA,
ItemChangedType.SYMBOL,
ItemChangedType.SYMBOL,
ItemChangedType.SYMBOL_SIZE,
ItemChangedType.ALPHA,
ItemChangedType.COLOR,
ItemChangedType.YAXIS,
ItemChangedType.FILL,
ItemChangedType.LINE_STYLE,
ItemChangedType.LINE_WIDTH])
def testCurveChanged(self):
"""Test sigItemChanged for curve"""
self.plot.addCurve(numpy.arange(10), numpy.arange(10), legend='test')
curve = self.plot.getCurve('test')
listener = SignalListener()
curve.sigItemChanged.connect(listener)
# Test for signal in Item class
curve.setVisible(False)
curve.setVisible(True)
curve.setZValue(100)
# Test for signals in Points class
curve.setData(numpy.arange(100), numpy.arange(100))
# SymbolMixIn
curve.setSymbol('Circle')
curve.setSymbol('d')
curve.setSymbolSize(20)
# AlphaMixIn
curve.setAlpha(0.5)
# Test for signals in Curve class
# ColorMixIn
curve.setColor('yellow')
# YAxisMixIn
curve.setYAxis('right')
# FillMixIn
curve.setFill(True)
# LineMixIn
curve.setLineStyle(':')
curve.setLineStyle(':') # Not sending event
curve.setLineWidth(2)
self.assertEqual(listener.arguments(argumentIndex=0),
[ItemChangedType.VISIBLE,
ItemChangedType.VISIBLE,
ItemChangedType.ZVALUE,
ItemChangedType.DATA,
ItemChangedType.SYMBOL,
ItemChangedType.SYMBOL,
ItemChangedType.SYMBOL_SIZE,
ItemChangedType.ALPHA,
ItemChangedType.COLOR,
ItemChangedType.YAXIS,
ItemChangedType.FILL,
ItemChangedType.LINE_STYLE,
ItemChangedType.LINE_WIDTH])
def testMaxROI(self):
"""Test Max ROI"""
origin1 = numpy.array([1., 10.])
size1 = numpy.array([10., 10.])
origin2 = numpy.array([2., 3.])
size2 = numpy.array([10., 10.])
manager = roi.InteractiveRegionOfInterestManager(self.plot)
self.roiTableWidget.setRegionOfInterestManager(manager)
self.assertEqual(manager.getRois(), ())
changedListener = SignalListener()
manager.sigRoiChanged.connect(changedListener)
# Add two point
item = roi_items.RectangleROI()
item.setGeometry(origin=origin1, size=size1)
manager.addRoi(item)
item = roi_items.RectangleROI()
item.setGeometry(origin=origin2, size=size2)
manager.addRoi(item)
self.qapp.processEvents()
self.assertEqual(changedListener.callCount(), 2)
self.assertEqual(len(manager.getRois()), 2)
# Try to set max ROI to 1 while there is 2 ROIs
with self.assertRaises(ValueError):
manager.setMaxRois(1)
manager.clear()
self.assertEqual(len(manager.getRois()), 0)
self.assertEqual(changedListener.callCount(), 3)
# Set max limit to 1
manager.setMaxRois(1)
# Add a point
item = roi_items.RectangleROI()
item.setGeometry(origin=origin1, size=size1)
manager.addRoi(item)
self.qapp.processEvents()
self.assertEqual(changedListener.callCount(), 4)
# Add a 2nd point while max ROI is 1
item = roi_items.RectangleROI()
item.setGeometry(origin=origin1, size=size1)
manager.addRoi(item)
self.qapp.processEvents()
self.assertEqual(changedListener.callCount(), 6)
self.assertEqual(len(manager.getRois()), 1)
def testShapeChanged(self):
"""Test sigItemChanged for shape"""
data = numpy.array((1., 10.))
self.plot.addItem(data, data, legend='test', shape='rectangle')
shape = self.plot._getItem(kind='item', legend='test')
listener = SignalListener()
shape.sigItemChanged.connect(listener)
shape.setOverlay(True)
shape.setPoints(((2., 2.), (3., 3.)))
self.assertEqual(listener.arguments(),
[(ItemChangedType.OVERLAY,),
(ItemChangedType.DATA,)])
def testEmitCurrentROI(self):
"""Test behavior of the CurvesROIWidget.sigROISignal"""
roi = CurvesROIWidget.ROI(name='linear', fromdata=0, todata=5)
self.widget.roiWidget.setRois((roi,))
signalListener = SignalListener()
self.widget.roiWidget.sigROISignal.connect(signalListener.partial())
self.widget.show()
self.qapp.processEvents()
self.assertTrue(signalListener.callCount() is 0)
self.assertTrue(self.widget.roiWidget.roiTable.activeRoi is roi)
roi.setFrom(0.0)
self.qapp.processEvents()
self.assertTrue(signalListener.callCount() is 0)
roi.setFrom(0.3)
self.qapp.processEvents()
self.assertTrue(signalListener.callCount() is 1)
def testFail(self):
listener = SignalListener()
button = ThreadPoolPushButton()
button.setCallable(self._computeFail)
button.beforeExecuting.connect(listener.partial(test="be"))
button.started.connect(listener.partial(test="s"))
button.succeeded.connect(listener.partial(test="Unexpected success"))
button.failed.connect(listener.partial(test="exception"))
button.finished.connect(listener.partial(test="f"))
with TestLogging('silx.gui.widgets.ThreadPoolPushButton', error=1):
button.executeCallable()
self.qapp.processEvents()
time.sleep(0.1)
self.qapp.processEvents()
result = listener.karguments(argumentName="test")
self.assertListEqual(result, ["be", "s", "exception", "f"])
listener.clear()
def setUp(self):
self.plot = Plot1D()
x = range(20)
y = range(20)
self.plot.addCurve(x, y, legend='curve0')
self.listener = SignalListener()
self.curves_roi_widget = self.plot.getCurvesRoiWidget()
self.curves_roi_widget.sigROISignal.connect(self.listener)
assert self.curves_roi_widget.isVisible() is False
assert self.listener.callCount() == 0
self.plot.show()
self.qWaitForWindowExposed(self.plot)
toolButton = getQToolButtonFromAction(self.plot.getRoiAction())
self.mouseClick(widget=toolButton, button=qt.Qt.LeftButton)
self.curves_roi_widget.show()
self.qWaitForWindowExposed(self.curves_roi_widget)
def testScatterChanged(self):
"""Test sigItemChanged for scatter"""
data = numpy.arange(10)
self.plot.addScatter(data, data, data, legend='test')
scatter = self.plot.getScatter('test')
listener = SignalListener()
scatter.sigItemChanged.connect(listener)
# ColormapMixIn
scatter.getColormap().setName('viridis')
data2 = data + 10
# Test of signals in Scatter class
scatter.setData(data2, data2, data2)
self.assertEqual(listener.arguments(), [(ItemChangedType.COLORMAP, ),
(ItemChangedType.DATA, )])
def testScatterChanged(self):
"""Test sigItemChanged for scatter"""
data = numpy.arange(10)
self.plot.addScatter(data, data, data, legend='test')
scatter = self.plot.getScatter('test')
listener = SignalListener()
scatter.sigItemChanged.connect(listener)
# ColormapMixIn
scatter.getColormap().setName('viridis')
data2 = data + 10
# Test of signals in Scatter class
scatter.setData(data2, data2, data2)
self.assertEqual(listener.arguments(),
[(ItemChangedType.COLORMAP,),
(ItemChangedType.DATA,)])
def setUp(self):
TestCaseQt.setUp(self)
self.model = hdf5.Hdf5TreeModel()
filename = _tmpDirectory + "/data.h5"
self.h5 = h5py.File(filename)
self.model.insertH5pyObject(self.h5)
self.listener = SignalListener()
self.model.sigH5pyObjectLoaded.connect(self.listener.partial(signal="loaded"))
self.model.sigH5pyObjectRemoved.connect(self.listener.partial(signal="removed"))
self.model.sigH5pyObjectSynchronized.connect(self.listener.partial(signal="synchronized"))
def testVisibleExtentTracking(self):
"""Test Item's visible extent tracking"""
image = items.ImageData()
image.setData(numpy.arange(6).reshape(2, 3))
listener = SignalListener()
image._sigVisibleBoundsChanged.connect(listener)
image._setVisibleBoundsTracking(True)
self.assertTrue(image._isVisibleBoundsTracking())
self.plot.addItem(image)
self.assertEqual(listener.callCount(), 1)
self.plot.getXAxis().setLimits(0, 1)
self.assertEqual(listener.callCount(), 2)
self.plot.hide()
self.qapp.processEvents()
# No event here
self.assertEqual(listener.callCount(), 2)
self.plot.getXAxis().setLimits(1, 2)
# No event since PlotWidget is hidden, delayed to PlotWidget show
self.assertEqual(listener.callCount(), 2)
self.plot.show()
self.qapp.processEvents()
# Receives delayed event now
self.assertEqual(listener.callCount(), 3)
image.setOrigin((-1, -1))
self.assertEqual(listener.callCount(), 4)
image.setVisible(False)
image.setOrigin((0, 0))
# No event since item is not visible
self.assertEqual(listener.callCount(), 4)
image.setVisible(True)
# Receives delayed event now
self.assertEqual(listener.callCount(), 5)
def testFail(self):
listener = SignalListener()
button = ThreadPoolPushButton()
button.setCallable(self._computeFail)
button.beforeExecuting.connect(listener.partial(test="be"))
button.started.connect(listener.partial(test="s"))
button.succeeded.connect(listener.partial(test="Unexpected success"))
button.failed.connect(listener.partial(test="exception"))
button.finished.connect(listener.partial(test="f"))
with TestLogging('silx.gui.widgets.ThreadPoolPushButton', error=1):
button.executeCallable()
self.qapp.processEvents()
time.sleep(0.1)
self.qapp.processEvents()
result = listener.karguments(argumentName="test")
self.assertListEqual(result, ["be", "s", "exception", "f"])
listener.clear()
def testMarkerChanged(self):
"""Test sigItemChanged for markers"""
self.plot.addMarker(10, 20, legend='test')
marker = self.plot._getMarker('test')
listener = SignalListener()
marker.sigItemChanged.connect(listener)
# Test signals in _BaseMarker
marker.setPosition(10, 10)
marker.setPosition(10, 10) # Not sending event
marker.setText('toto')
self.assertEqual(listener.arguments(argumentIndex=0),
[ItemChangedType.POSITION,
ItemChangedType.TEXT])
# XMarker
self.plot.addXMarker(10, legend='x')
marker = self.plot._getMarker('x')
listener = SignalListener()
marker.sigItemChanged.connect(listener)
marker.setPosition(20, 20)
self.assertEqual(listener.arguments(argumentIndex=0),
[ItemChangedType.POSITION])
# YMarker
self.plot.addYMarker(10, legend='x')
marker = self.plot._getMarker('x')
listener = SignalListener()
marker.sigItemChanged.connect(listener)
marker.setPosition(20, 20)
self.assertEqual(listener.arguments(argumentIndex=0),
[ItemChangedType.POSITION])
def testScatterChanged(self):
"""Test sigItemChanged for scatter"""
data = numpy.arange(10)
self.plot.addScatter(data, data, data, legend='test')
scatter = self.plot.getScatter('test')
listener = SignalListener()
scatter.sigItemChanged.connect(listener)
# ColormapMixIn
scatter.getColormap().setName('viridis')
# Test of signals in Scatter class
scatter.setData((0, 1, 2), (1, 0, 2), (0, 1, 2))
# Visualization mode changed
scatter.setVisualization(scatter.Visualization.SOLID)
self.assertEqual(listener.arguments(),
[(ItemChangedType.COLORMAP,),
(ItemChangedType.DATA,),
(ItemChangedType.VISUALIZATION_MODE,)])
def testSuccess(self):
listener = SignalListener()
button = ThreadPoolPushButton()
button.setCallable(self._compute)
button.beforeExecuting.connect(listener.partial(test="be"))
button.started.connect(listener.partial(test="s"))
button.succeeded.connect(listener.partial(test="result"))
button.failed.connect(listener.partial(test="Unexpected exception"))
button.finished.connect(listener.partial(test="f"))
button.executeCallable()
self.qapp.processEvents()
time.sleep(0.1)
self.qapp.processEvents()
result = listener.karguments(argumentName="test")
self.assertListEqual(result, ["be", "s", "result", "f"])
def testSuccess(self):
listener = SignalListener()
button = ThreadPoolPushButton()
button.setCallable(self._compute)
button.beforeExecuting.connect(listener.partial(test="be"))
button.started.connect(listener.partial(test="s"))
button.succeeded.connect(listener.partial(test="result"))
button.failed.connect(listener.partial(test="Unexpected exception"))
button.finished.connect(listener.partial(test="f"))
button.executeCallable()
self.qapp.processEvents()
time.sleep(0.1)
self.qapp.processEvents()
result = listener.karguments(argumentName="test")
self.assertListEqual(result, ["be", "s", "result", "f"])
def testMaxROI(self):
"""Test Max ROI"""
origin1 = numpy.array([1., 10.])
size1 = numpy.array([10., 10.])
origin2 = numpy.array([2., 3.])
size2 = numpy.array([10., 10.])
manager = roi.InteractiveRegionOfInterestManager(self.plot)
self.roiTableWidget.setRegionOfInterestManager(manager)
self.assertEqual(manager.getRois(), ())
changedListener = SignalListener()
manager.sigRoiChanged.connect(changedListener)
# Add two point
item = roi_items.RectangleROI()
item.setGeometry(origin=origin1, size=size1)
manager.addRoi(item)
item = roi_items.RectangleROI()
item.setGeometry(origin=origin2, size=size2)
manager.addRoi(item)
self.qapp.processEvents()
self.assertEqual(changedListener.callCount(), 2)
self.assertEqual(len(manager.getRois()), 2)
# Try to set max ROI to 1 while there is 2 ROIs
with self.assertRaises(ValueError):
manager.setMaxRois(1)
manager.clear()
self.assertEqual(len(manager.getRois()), 0)
self.assertEqual(changedListener.callCount(), 3)
# Set max limit to 1
manager.setMaxRois(1)
# Add a point
item = roi_items.RectangleROI()
item.setGeometry(origin=origin1, size=size1)
manager.addRoi(item)
self.qapp.processEvents()
self.assertEqual(changedListener.callCount(), 4)
# Add a 2nd point while max ROI is 1
item = roi_items.RectangleROI()
item.setGeometry(origin=origin1, size=size1)
manager.addRoi(item)
self.qapp.processEvents()
self.assertEqual(changedListener.callCount(), 6)
self.assertEqual(len(manager.getRois()), 1)
def testEmitCurrentROI(self):
"""Test behavior of the CurvesROIWidget.sigROISignal"""
roi = CurvesROIWidget.ROI(name='linear', fromdata=0, todata=5)
self.widget.roiWidget.setRois((roi, ))
signalListener = SignalListener()
self.widget.roiWidget.sigROISignal.connect(signalListener.partial())
self.widget.show()
self.qapp.processEvents()
self.assertTrue(signalListener.callCount() is 0)
self.assertTrue(self.widget.roiWidget.roiTable.activeRoi is roi)
roi.setFrom(0.0)
self.qapp.processEvents()
self.assertTrue(signalListener.callCount() is 0)
roi.setFrom(0.3)
self.qapp.processEvents()
self.assertTrue(signalListener.callCount() is 1)
def test(self):
"""Test ROI of different shapes"""
tests = ( # shape, points=[list of (x, y), list of (x, y)]
(roi_items.PointROI, numpy.array(([(10., 15.)], [(20., 25.)]))),
(roi_items.RectangleROI,
numpy.array((((1., 10.), (11., 20.)),
((2., 3.), (12., 13.))))),
(roi_items.PolygonROI,
numpy.array((((0., 1.), (0., 10.), (10., 0.)),
((5., 6.), (5., 16.), (15., 6.))))),
(roi_items.LineROI,
numpy.array((((10., 20.), (10., 30.)),
((30., 40.), (30., 50.))))),
(roi_items.HorizontalLineROI,
numpy.array((((10., 20.), (10., 30.)),
((30., 40.), (30., 50.))))),
(roi_items.VerticalLineROI,
numpy.array((((10., 20.), (10., 30.)),
((30., 40.), (30., 50.))))),
)
for roiClass, points in tests:
with self.subTest(roiClass=roiClass):
manager = roi.RegionOfInterestManager(self.plot)
self.roiTableWidget.setRegionOfInterestManager(manager)
manager.start(roiClass)
self.assertEqual(manager.getRois(), ())
finishListener = SignalListener()
manager.sigInteractiveModeFinished.connect(finishListener)
changedListener = SignalListener()
manager.sigRoiChanged.connect(changedListener)
# Add a point
manager.createRoi(roiClass, points[0])
self.qapp.processEvents()
self.assertTrue(len(manager.getRois()), 1)
self.assertEqual(changedListener.callCount(), 1)
# Remove it
manager.removeRoi(manager.getRois()[0])
self.assertEqual(manager.getRois(), ())
self.assertEqual(changedListener.callCount(), 2)
# Add two point
manager.createRoi(roiClass, points[0])
self.qapp.processEvents()
manager.createRoi(roiClass, points[1])
self.qapp.processEvents()
self.assertTrue(len(manager.getRois()), 2)
self.assertEqual(changedListener.callCount(), 4)
# Reset it
result = manager.clear()
self.assertTrue(result)
self.assertEqual(manager.getRois(), ())
self.assertEqual(changedListener.callCount(), 5)
changedListener.clear()
# Add two point
manager.createRoi(roiClass, points[0])
self.qapp.processEvents()
manager.createRoi(roiClass, points[1])
self.qapp.processEvents()
self.assertTrue(len(manager.getRois()), 2)
self.assertEqual(changedListener.callCount(), 2)
# stop
result = manager.stop()
self.assertTrue(result)
self.assertTrue(len(manager.getRois()), 1)
self.qapp.processEvents()
self.assertEqual(finishListener.callCount(), 1)
manager.clear()
class TestHdf5TreeModelSignals(TestCaseQt):
def setUp(self):
TestCaseQt.setUp(self)
self.model = hdf5.Hdf5TreeModel()
filename = _tmpDirectory + "/data.h5"
self.h5 = h5py.File(filename)
self.model.insertH5pyObject(self.h5)
self.listener = SignalListener()
self.model.sigH5pyObjectLoaded.connect(self.listener.partial(signal="loaded"))
self.model.sigH5pyObjectRemoved.connect(self.listener.partial(signal="removed"))
self.model.sigH5pyObjectSynchronized.connect(self.listener.partial(signal="synchronized"))
def tearDown(self):
self.signals = None
ref = weakref.ref(self.model)
self.model = None
self.qWaitForDestroy(ref)
self.h5.close()
self.h5 = None
TestCaseQt.tearDown(self)
def waitForPendingOperations(self, model):
for _ in range(10):
if not model.hasPendingOperations():
break
self.qWait(10)
else:
raise RuntimeError("Still waiting for a pending operation")
def testInsert(self):
filename = _tmpDirectory + "/data.h5"
h5 = h5py.File(filename)
self.model.insertH5pyObject(h5)
self.assertEqual(self.listener.callCount(), 0)
def testLoaded(self):
filename = _tmpDirectory + "/data.h5"
self.model.insertFile(filename)
self.assertEqual(self.listener.callCount(), 1)
self.assertEqual(self.listener.karguments(argumentName="signal")[0], "loaded")
self.assertIsNot(self.listener.arguments(callIndex=0)[0], self.h5)
self.assertEqual(self.listener.arguments(callIndex=0)[0].filename, filename)
def testRemoved(self):
self.model.removeH5pyObject(self.h5)
self.assertEqual(self.listener.callCount(), 1)
self.assertEqual(self.listener.karguments(argumentName="signal")[0], "removed")
self.assertIs(self.listener.arguments(callIndex=0)[0], self.h5)
def testSynchonized(self):
self.model.synchronizeH5pyObject(self.h5)
self.waitForPendingOperations(self.model)
self.assertEqual(self.listener.callCount(), 1)
self.assertEqual(self.listener.karguments(argumentName="signal")[0], "synchronized")
self.assertIs(self.listener.arguments(callIndex=0)[0], self.h5)
self.assertIsNot(self.listener.arguments(callIndex=0)[1], self.h5)
class TestImageStack(TestCaseQt):
"""Simple test of the Image stack"""
def setUp(self):
TestCaseQt.setUp(self)
self.urls = OrderedDict()
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:
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.widget = ImageStack()
self.urlLoadedListener = SignalListener()
self.widget.sigLoaded.connect(self.urlLoadedListener)
self.currentUrlChangedListener = SignalListener()
self.widget.sigCurrentUrlChanged.connect(
self.currentUrlChangedListener)
def tearDown(self):
shutil.rmtree(self._folder)
self.widget.setAttribute(qt.Qt.WA_DeleteOnClose, True)
self.widget.close()
TestCaseQt.setUp(self)
def testControls(self):
"""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)
self.widget.setUrls(list(self.urls.values()))
# wait for image to be loaded
self._waitUntilUrlLoaded()
self.assertEqual(self.widget.getCurrentUrl(), self.urls[0])
# make sure all image are loaded
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.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.assertEqual(self.widget._slider.value(), 4)
self.assertEqual(self.widget.getCurrentUrl(), self.urls[4])
self.assertEqual(self.widget.getCurrentUrlIndex(), 4)
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())
def testCurrentUrlSignals(self):
"""Test emission of 'currentUrlChangedListener'"""
# check initialization
self.assertEqual(self.currentUrlChangedListener.callCount(), 0)
self.widget.setUrls(list(self.urls.values()))
self.qapp.processEvents()
time.sleep(0.5)
self.qapp.processEvents()
# once loaded the two signals should have been sended
self.assertEqual(self.currentUrlChangedListener.callCount(), 1)
# if the slider is stuck to the same position no signal should be
# emitted
self.qapp.processEvents()
time.sleep(0.5)
self.qapp.processEvents()
self.assertEqual(self.widget._slider.value(), 0)
self.assertEqual(self.currentUrlChangedListener.callCount(), 1)
# if slider position is changed, one of each signal should have been
# emitted
self.widget._urlsTable.setUrl(self.urls[4])
self.qapp.processEvents()
time.sleep(1.5)
self.qapp.processEvents()
self.assertEqual(self.currentUrlChangedListener.callCount(), 2)
def testUtils(self):
"""Test that some utils functions are working"""
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()
urls_values = list(self.urls.values())
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._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])
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):
remaining_duration -= loop_duration
time.sleep(loop_duration)
self.qapp.processEvents()
if remaining_duration <= 0.0:
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)
raise TimeoutError(mess)
return True
class TestRoiWidgetSignals(TestCaseQt):
"""Test Signals emitted by the RoiWidgetSignals"""
def setUp(self):
self.plot = Plot1D()
x = range(20)
y = range(20)
self.plot.addCurve(x, y, legend='curve0')
self.listener = SignalListener()
self.curves_roi_widget = self.plot.getCurvesRoiWidget()
self.curves_roi_widget.sigROISignal.connect(self.listener)
assert self.curves_roi_widget.isVisible() is False
assert self.listener.callCount() == 0
self.plot.show()
self.qWaitForWindowExposed(self.plot)
toolButton = getQToolButtonFromAction(self.plot.getRoiAction())
self.mouseClick(widget=toolButton, button=qt.Qt.LeftButton)
self.curves_roi_widget.show()
self.qWaitForWindowExposed(self.curves_roi_widget)
def tearDown(self):
self.plot = None
def testSigROISignalAddRmRois(self):
"""Test SigROISignal when adding and removing ROIS"""
print(self.listener.callCount())
self.assertEqual(self.listener.callCount(), 1)
self.listener.clear()
roi1 = CurvesROIWidget.ROI(name='linear', fromdata=0, todata=5)
self.curves_roi_widget.roiTable.addRoi(roi1)
self.assertEqual(self.listener.callCount(), 1)
self.assertTrue(self.listener.arguments()[0][0]['current'] == 'linear')
self.listener.clear()
roi2 = CurvesROIWidget.ROI(name='linear2', fromdata=0, todata=5)
self.curves_roi_widget.roiTable.addRoi(roi2)
self.assertEqual(self.listener.callCount(), 1)
self.assertTrue(
self.listener.arguments()[0][0]['current'] == 'linear2')
self.listener.clear()
self.curves_roi_widget.roiTable.removeROI(roi2)
self.assertEqual(self.listener.callCount(), 1)
self.assertTrue(self.curves_roi_widget.roiTable.activeRoi == roi1)
self.assertTrue(self.listener.arguments()[0][0]['current'] == 'linear')
self.listener.clear()
self.curves_roi_widget.roiTable.deleteActiveRoi()
self.assertEqual(self.listener.callCount(), 1)
self.assertTrue(self.curves_roi_widget.roiTable.activeRoi is None)
self.assertTrue(self.listener.arguments()[0][0]['current'] is None)
self.listener.clear()
self.curves_roi_widget.roiTable.addRoi(roi1)
self.assertEqual(self.listener.callCount(), 1)
self.assertTrue(self.listener.arguments()[0][0]['current'] == 'linear')
self.assertTrue(self.curves_roi_widget.roiTable.activeRoi == roi1)
self.listener.clear()
self.qapp.processEvents()
self.curves_roi_widget.roiTable.removeROI(roi1)
self.qapp.processEvents()
self.assertEqual(self.listener.callCount(), 1)
self.assertTrue(self.listener.arguments()[0][0]['current'] == 'ICR')
self.listener.clear()
def testSigROISignalModifyROI(self):
"""Test SigROISignal when modifying it"""
self.curves_roi_widget.roiTable.setMiddleROIMarkerFlag(True)
roi1 = CurvesROIWidget.ROI(name='linear', fromdata=2, todata=5)
self.curves_roi_widget.roiTable.addRoi(roi1)
self.curves_roi_widget.roiTable.setActiveRoi(roi1)
# test modify the roi2 object
self.listener.clear()
roi1.setFrom(0.56)
self.assertEqual(self.listener.callCount(), 1)
self.listener.clear()
roi1.setTo(2.56)
self.assertEqual(self.listener.callCount(), 1)
self.listener.clear()
roi1.setName('linear2')
self.assertEqual(self.listener.callCount(), 1)
self.listener.clear()
roi1.setType('new type')
self.assertEqual(self.listener.callCount(), 1)
# modify roi limits (from the gui)
roi_marker_handler = self.curves_roi_widget.roiTable._markersHandler.getMarkerHandler(
roi1.getID())
for marker_type in ('min', 'max', 'middle'):
with self.subTest(marker_type=marker_type):
self.listener.clear()
marker = roi_marker_handler.getMarker(marker_type)
self.qapp.processEvents()
items_interaction = ItemsInteraction(plot=self.plot)
x_pix, y_pix = self.plot.dataToPixel(marker.getXPosition(), 1)
items_interaction.beginDrag(x_pix, y_pix)
self.qapp.processEvents()
items_interaction.endDrag(x_pix + 10, y_pix)
self.qapp.processEvents()
self.assertEqual(self.listener.callCount(), 1)
def testSetActiveCurve(self):
"""Test sigRoiSignal when set an active curve"""
roi1 = CurvesROIWidget.ROI(name='linear', fromdata=2, todata=5)
self.curves_roi_widget.roiTable.addRoi(roi1)
self.curves_roi_widget.roiTable.setActiveRoi(roi1)
self.listener.clear()
self.plot.setActiveCurve('curve0')
self.assertEqual(self.listener.callCount(), 0)
def test(self):
"""Test ROI of different shapes"""
tests = ( # shape, points=[list of (x, y), list of (x, y)]
(roi_items.PointROI, numpy.array(([(10., 15.)], [(20., 25.)]))),
(roi_items.RectangleROI,
numpy.array((((1., 10.), (11., 20.)), ((2., 3.), (12., 13.))))),
(roi_items.PolygonROI,
numpy.array((((0., 1.), (0., 10.), (10., 0.)),
((5., 6.), (5., 16.), (15., 6.))))),
(roi_items.LineROI,
numpy.array(
(((10., 20.), (10., 30.)), ((30., 40.), (30., 50.))))),
(roi_items.HorizontalLineROI,
numpy.array(
(((10., 20.), (10., 30.)), ((30., 40.), (30., 50.))))),
(roi_items.VerticalLineROI,
numpy.array(
(((10., 20.), (10., 30.)), ((30., 40.), (30., 50.))))),
(roi_items.HorizontalLineROI,
numpy.array(
(((10., 20.), (10., 30.)), ((30., 40.), (30., 50.))))),
)
for roiClass, points in tests:
with self.subTest(roiClass=roiClass):
manager = roi.RegionOfInterestManager(self.plot)
self.roiTableWidget.setRegionOfInterestManager(manager)
manager.start(roiClass)
self.assertEqual(manager.getRois(), ())
finishListener = SignalListener()
manager.sigInteractiveModeFinished.connect(finishListener)
changedListener = SignalListener()
manager.sigRoiChanged.connect(changedListener)
# Add a point
r = roiClass()
r.setFirstShapePoints(points[0])
manager.addRoi(r)
self.qapp.processEvents()
self.assertTrue(len(manager.getRois()), 1)
self.assertEqual(changedListener.callCount(), 1)
# Remove it
manager.removeRoi(manager.getRois()[0])
self.assertEqual(manager.getRois(), ())
self.assertEqual(changedListener.callCount(), 2)
# Add two point
r = roiClass()
r.setFirstShapePoints(points[0])
manager.addRoi(r)
self.qapp.processEvents()
r = roiClass()
r.setFirstShapePoints(points[1])
manager.addRoi(r)
self.qapp.processEvents()
self.assertTrue(len(manager.getRois()), 2)
self.assertEqual(changedListener.callCount(), 4)
# Reset it
result = manager.clear()
self.assertTrue(result)
self.assertEqual(manager.getRois(), ())
self.assertEqual(changedListener.callCount(), 5)
changedListener.clear()
# Add two point
r = roiClass()
r.setFirstShapePoints(points[0])
manager.addRoi(r)
self.qapp.processEvents()
r = roiClass()
r.setFirstShapePoints(points[1])
manager.addRoi(r)
self.qapp.processEvents()
self.assertTrue(len(manager.getRois()), 2)
self.assertEqual(changedListener.callCount(), 2)
# stop
result = manager.stop()
self.assertTrue(result)
self.assertTrue(len(manager.getRois()), 1)
self.qapp.processEvents()
self.assertEqual(finishListener.callCount(), 1)
manager.clear()