def test_point_variable_step_size(): dims = Dims(ndim=3) assert dims.point == (0, ) * 3 desired_range = ((0, 6, 0.5), (0, 6, 1), (0, 6, 2)) dims.set_range(range(3), desired_range) assert dims.range == desired_range # set point updates current_step indirectly dims.set_point([0, 1, 2], (2.9, 2.9, 2.9)) assert dims.current_step == (6, 3, 1) # point is a property computed on demand from current_step assert dims.point == (3, 3, 2) # can set step directly as well # note that out of range values get clipped dims.set_current_step((0, 1, 2), (1, -3, 5)) assert dims.current_step == (1, 0, 2) assert dims.point == (0.5, 0, 4) dims.set_current_step(0, -1) assert dims.current_step == (0, 0, 2) assert dims.point == (0, 0, 4) # mismatched len(axis) vs. len(value) with pytest.raises(ValueError): dims.set_point((0, 1), (0, 0, 0)) with pytest.raises(ValueError): dims.set_current_step((0, 1), (0, 0, 0))
def test_point(): """ Tests point setting """ dims = Dims(4) dims.set_point(3, 2.5) assert dims.ndim == 4 assert dims.point[0] == 0.0 assert dims.point[1] == 0.0 assert dims.point[2] == 0.0 assert dims.point[3] == 2.5
def test_point(): """ Test point setting. """ dims = Dims(4) assert dims.point == [0] * 4 dims.set_point(3, 4) assert dims.point == [0, 0, 0, 4] dims.set_point(2, 1) assert dims.point == [0, 0, 1, 4]
def test_axis_labels(): dims = Dims(ndim=4) assert dims.axis_labels == ('0', '1', '2', '3') dims.set_axis_label(0, 't') assert dims.axis_labels == ('t', '1', '2', '3') dims.set_axis_label((0, 1, 3), ('t', 'c', 'last')) assert dims.axis_labels == ('t', 'c', '2', 'last') # mismatched len(axis) vs. len(value) with pytest.raises(ValueError): dims.set_point((0, 1), ('x', 'y', 'z'))
def test_point(): """ Test point setting. """ dims = Dims(ndim=4) assert dims.point == (0, ) * 4 dims.set_range(3, (0, 5, 1)) dims.set_point(3, 4) assert dims.point == (0, 0, 0, 4) dims.set_range(2, (0, 5, 1)) dims.set_point(2, 1) assert dims.point == (0, 0, 1, 4)
def test_order_when_changing_ndim(): """ Test order of the dims when changing the number of dimensions. """ dims = Dims(4) dims.set_point(0, 2) dims.ndim = 5 # Test that new dims get appended to the beginning of lists assert dims.point == [0, 2, 0, 0, 0] dims.set_point(2, 3) dims.ndim = 3 # Test that dims get removed from the beginning of lists assert dims.point == [3, 0, 0]
def test_indices(): """ Test indices values. """ dims = Dims(4) # On instantiation no dims are displayed and the indices default to 0 assert dims.indices == (0, ) * 4 dims._set_2d_viewing() # On 2D viewing the last two dims are now set to sliced mode assert dims.indices == (0, ) * 2 + (slice(None, None, None), ) * 2 dims.set_point(0, 2) dims.set_point(1, 3) # Set the values of the first two dims in point mode assert dims.indices == (2, 3) + (slice(None, None, None), ) * 2
def test_slice_labels(qtbot): ndim = 4 dims = Dims(ndim=ndim) dims.set_range(0, (0, 20, 1)) view = QtDims(dims) qtbot.addWidget(view) # make sure the totslice_label is showing the correct number assert int(view.slider_widgets[0].totslice_label.text()) == 19 # make sure setting the dims.point updates the slice label label_edit = view.slider_widgets[0].curslice_label dims.set_point(0, 15) assert int(label_edit.text()) == 15 # make sure setting the current slice label updates the model label_edit.setText(str(8)) label_edit.editingFinished.emit() assert dims.point[0] == 8
def test_order_when_changing_ndim(): """ Test order of the dims when changing the number of dimensions. """ dims = Dims(4) dims.set_point(0, 2) dims.ndim = 5 # Test that new dims get appended to the beginning of lists assert dims.point == [0, 2, 0, 0, 0] assert dims.order == [0, 1, 2, 3, 4] assert dims.axis_labels == ['0', '1', '2', '3', '4'] dims.set_point(2, 3) dims.ndim = 3 # Test that dims get removed from the beginning of lists assert dims.point == [3, 0, 0] assert dims.order == [0, 1, 2] assert dims.axis_labels == ['2', '3', '4']
def test_indices(): """ Test indices values. """ dims = Dims(4) # On instantiation the last two dims are set to sliced mode assert dims.indices == (0, ) * 2 + (slice(None, None, None), ) * 2 # Set the values of the first two dims in point mode outside of range dims.set_point(0, 2) dims.set_point(1, 3) assert dims.indices == (1, 1) + (slice(None, None, None), ) * 2 # Increase range and then set points again # Note changing the step size changes the indices for the same point value dims.set_range(0, (0, 4, 2)) dims.set_range(1, (0, 4, 2)) dims.set_point(0, 2) dims.set_point(1, 3) assert dims.indices == (1, 2) + (slice(None, None, None), ) * 2
def test_order_when_changing_ndim(): """ Test order of the dims when changing the number of dimensions. """ dims = Dims(ndim=4) dims.set_range(0, (0, 4, 1)) dims.set_point(0, 2) dims.ndim = 5 # Test that new dims get appended to the beginning of lists assert dims.point == (0, 2, 0, 0, 0) assert dims.order == (0, 1, 2, 3, 4) assert dims.axis_labels == ('0', '1', '2', '3', '4') dims.set_range(2, (0, 4, 1)) dims.set_point(2, 3) dims.ndim = 3 # Test that dims get removed from the beginning of lists assert dims.point == (3, 0, 0) assert dims.order == (0, 1, 2) assert dims.axis_labels == ('2', '3', '4')
def test_point(): """ Test point setting. """ dims = Dims(ndim=4) assert dims.point == (0, ) * 4 dims.set_range(range(dims.ndim), ((0, 5, 1), ) * dims.ndim) dims.set_point(3, 4) assert dims.point == (0, 0, 0, 4) dims.set_point(2, 1) assert dims.point == (0, 0, 1, 4) dims.set_point((0, 1, 2), (2.1, 2.6, 0.0)) assert dims.point == (2, 3, 0, 4)