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refactor(image): move image item creation to layer manager

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wakonig_k
2025-06-03 17:28:47 +02:00
committed by Klaus Wakonig
parent 8a299a8268
commit c2b0c8c433
5 changed files with 43 additions and 53 deletions
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29
tests/unit_tests/test_image_layer.py
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@ -10,7 +10,7 @@ from bec_widgets.widgets.plots.image.image_item import ImageItem
@pytest.fixture()
def image_layer_manager():
"""Fixture to create an instance of ImageLayer."""
layer = ImageLayerManager(plot_item=mock.MagicMock(spec=pg.PlotItem))
layer = ImageLayerManager(parent=None, plot_item=mock.MagicMock(spec=pg.PlotItem))
yield layer
layer.clear()
@ -23,27 +23,22 @@ def test_image_layer_manager_initialization(image_layer_manager):
def test_add_image_layer(image_layer_manager):
"""Test adding an image layer to the ImageLayerManager."""
image = ImageItem()
layer = image_layer_manager.add(name="Test Layer", image=image)
layer = image_layer_manager.add(name="Test Layer")
assert layer.image.zValue() == 0
image2 = ImageItem()
layer2 = image_layer_manager.add(name="Test Layer 2", image=image2)
layer2 = image_layer_manager.add(name="Test Layer 2")
assert layer2.image.zValue() == 1
image3 = ImageItem()
layer3 = image_layer_manager.add(name="Test Layer 3", image=image3, z_position="top")
layer3 = image_layer_manager.add(name="Test Layer 3", z_position="top")
assert layer3.image.zValue() == 2
image4 = ImageItem()
layer4 = image_layer_manager.add(name="Test Layer 4", image=image4, z_position="bottom")
layer4 = image_layer_manager.add(name="Test Layer 4", z_position="bottom")
assert layer4.image.zValue() == -1
def test_remove_image_layer(image_layer_manager):
"""Test removing an image layer from the ImageLayerManager."""
image = ImageItem()
layer = image_layer_manager.add(name="Test Layer", image=image)
layer = image_layer_manager.add(name="Test Layer")
assert len(image_layer_manager) == 1
image_layer_manager.remove(layer)
@ -52,8 +47,7 @@ def test_remove_image_layer(image_layer_manager):
def test_clear_image_layers(image_layer_manager):
"""Test clearing all image layers from the ImageLayerManager."""
image = ImageItem()
layer = image_layer_manager.add(name="Test Layer", image=image)
layer = image_layer_manager.add(name="Test Layer")
assert len(image_layer_manager) == 1
image_layer_manager.clear()
@ -62,8 +56,7 @@ def test_clear_image_layers(image_layer_manager):
def test_image_layer_manager_getitem(image_layer_manager):
"""Test getting an image layer by index."""
image = ImageItem()
layer = image_layer_manager.add(name="Test Layer", image=image)
layer = image_layer_manager.add(name="Test Layer")
assert image_layer_manager["Test Layer"] == layer
with pytest.raises(TypeError):
@ -75,10 +68,8 @@ def test_image_layer_manager_getitem(image_layer_manager):
def test_image_layer_iteration(image_layer_manager):
"""Test iterating over image layers."""
image = ImageItem()
layer = image_layer_manager.add(name="Test Layer", image=image)
layer = image_layer_manager.add(name="Test Layer")
assert list(image_layer_manager) == [layer]
image2 = ImageItem()
layer2 = image_layer_manager.add(name="Test Layer 2", image=image2)
layer2 = image_layer_manager.add(name="Test Layer 2")
assert list(image_layer_manager) == [layer, layer2]