def test_toString(self):
frac = fractal.Fractal()
layer = fractal.HistogramLayer()
frac.insert_layer(0, layer)
desc = str(frac)
self.assertEqual("fractal: \n\thistogramLayer\n", desc)
def test_get_layer_memory_leak(self):
frac = fractal.Fractal()
layer = fractal.HistogramLayer()
frac.insert_layer(0, layer)
retrieved_layer = frac.get_layer(0)
self.assertEqual(retrieved_layer, layer)
def test_palette_memory_leak(self):
layer = fractal.HistogramLayer()
new_palette = fractal.Palette()
layer.palette = new_palette
layer_palette = layer.palette
self.assertEqual(new_palette, layer_palette)
def test_remove_layer_memory_leak(self):
frac = fractal.Fractal()
layer = fractal.HistogramLayer()
# Insert then delete layer
frac.insert_layer(0, layer)
deleted_layer = frac.remove_layer(0)
self.assertEqual(deleted_layer, layer)
def test_get_layer_functionality(self):
frac = fractal.Fractal()
layer = fractal.HistogramLayer()
frac.insert_layer(0, layer)
retrieved_layer = frac.get_layer(0)
retrieved_layer.opacity = 0.2
self.assertEqual(retrieved_layer.opacity, layer.opacity)
def test_remove_layer_functionality(self):
frac = fractal.Fractal()
layer = fractal.HistogramLayer()
# Insert then delete layer
frac.insert_layer(0, layer)
deleted_layer = frac.remove_layer(0)
# Assert list length and equality of deleted layer
self.assertEqual(0, frac.layer_count())
deleted_layer.opacity = 0.2
self.assertEqual(deleted_layer.opacity, layer.opacity)
def test_palette(self):
layer = fractal.HistogramLayer()
# Ensure that the getter points to the real one
pal = layer.palette
pal.add_color((1, 1, 1), 0.5)
self.assertEqual(len(layer.palette.get_colors()), 3)
# Ensure the setter works
newPal = fractal.Palette()
newPal.remove_color(0)
layer.palette = newPal
self.assertEqual(len(layer.palette.get_colors()), 1)
def layer_type_changed_callback(self, event):
index = event["index"]
palette = self.fract.get_layer(index).palette
new_layer = None
if self.fract.remove_layer(index):
if event["value"] == "Histogram":
new_layer = fractal.HistogramLayer()
elif event["value"] == "SmoothBands":
new_layer = fractal.SmoothBandsLayer()
elif event["value"] == "SimpleBands":
new_layer = fractal.SimpleBandsLayer()
new_layer.palette = palette
if self.fract.insert_layer(index, new_layer):
self.fractRenderer.update()
def layer_added_callback(self, event):
self.current_layer = fractal.HistogramLayer()
self.current_layer_index = event["index"]
self.fract.insert_layer(event["index"], self.current_layer)
self.update_palette()
self.fractRenderer.update()
def test_toString(self):
layer = fractal.HistogramLayer()
desc = str(layer)
self.assertEqual("histogramLayer", desc)
def test_is_visible(self):
layer = fractal.HistogramLayer()
self.assertEqual(True, layer.is_visible)
layer.is_visible = False
self.assertEqual(False, layer.is_visible)
def test_name(self):
layer = fractal.HistogramLayer()
self.assertEqual("My Layer", layer.name)
layer.name = "Layer 1"
self.assertEqual("Layer 1", layer.name)
def test_insert_layer_invalid(self):
frac = fractal.Fractal()
layer = fractal.HistogramLayer()
self.assertRaises(IndexError, frac.insert_layer, 1, layer)
self.assertRaises(IndexError, frac.insert_layer, -1, layer)
def test_insert_layer(self):
frac = fractal.Fractal()
layer = fractal.HistogramLayer()
frac.insert_layer(0, layer)
self.assertEqual(1, frac.layer_count())
def test_opacity(self):
layer = fractal.HistogramLayer()
self.assertEqual(1, layer.opacity)
layer.opacity = 0.2
self.assertEqual(0.2, round(layer.opacity, 5))