def test_controller_set_cut_high():
model = histogram.HistogramModel(image_view)
test_hist = histogram.Histogram(model)
test_controller = histogram.HistogramController(model, test_hist)
test_controller.set_cut_high(42)
assert model.cut_high == 42
assert model.view_cuts[1] == 42
def test_controller_set_cut_low():
model = histogram.HistogramModel(image_view)
test_hist = histogram.Histogram(model)
test_controller = histogram.HistogramController(model, test_hist)
test_controller.set_cut_low(24)
assert model.cut_low == 24
assert model.view_cuts[0] == 24
def test_histogram_change_cut_high():
model = histogram.HistogramModel(image_view)
test_hist = histogram.Histogram(model)
test_hist._set_vlines()
model._cut_high = 42
test_hist.change_cut_high(draw=False)
assert test_hist._right_vline.get_xdata()[0] == 42
assert test_hist._left_vline.get_xdata()[0] == model.cut_low
def test_histogram_set_vlines():
model = histogram.HistogramModel(image_view)
test_hist = histogram.Histogram(model)
test_hist._set_vlines()
assert isinstance(test_hist._left_vline, Line2D)
assert isinstance(test_hist._right_vline, Line2D)
assert test_hist._left_vline.get_xdata()[0] == model.cut_low
assert test_hist._right_vline.get_xdata()[0] == model.cut_high
def test_histogram_init():
model = histogram.HistogramModel(image_view)
test_hist = histogram.Histogram(model)
assert test_hist.model == model
assert test_hist in model._views
assert test_hist.sizePolicy().hasHeightForWidth()
assert test_hist._right_vline is None
assert test_hist._left_vline is None
def test_histogram_change_bins():
model = histogram.HistogramModel(image_view)
test_hist = histogram.Histogram(model)
test_hist.set_data()
assert model.bins == 100
assert len(test_hist._ax.patches) == 100
model._bins = 50
test_hist.change_bins()
assert len(test_hist._ax.patches) == 50
def test_controller_set_cuts():
model = histogram.HistogramModel(image_view)
test_hist = histogram.Histogram(model)
test_controller = histogram.HistogramController(model, test_hist)
test_controller.set_cuts(10, 100)
assert model.cut_low == 10
assert model.cut_high == 100
assert model.cuts == (10, 100)
assert model.view_cuts == (10, 100)
def test_controller_restore():
model = histogram.HistogramModel(image_view)
def_cuts = model.view_cuts
test_hist = histogram.Histogram(model)
test_controller = histogram.HistogramController(model, test_hist)
model.cuts = 24, 42
image_view.cut_levels(*def_cuts)
test_controller.restore()
assert model.cuts != (24, 42)
assert model.cuts == def_cuts
assert model.view_cuts == def_cuts
def test_controller_set_bins():
model = histogram.HistogramModel(image_view)
test_hist = histogram.Histogram(model)
test_controller = histogram.HistogramController(model, test_hist)
test_controller.set_bins(50)
assert model.bins == 50