def test_changing_labels():
"""Test changing Labels data."""
shape_a = (10, 15)
shape_b = (20, 12)
np.random.seed(0)
data_a = np.random.randint(20, size=shape_a)
data_b = np.random.randint(20, size=shape_b)
layer = Labels(data_a)
layer.data = data_b
assert np.all(layer.data == data_b)
assert layer.ndim == len(shape_b)
np.testing.assert_array_equal(layer.extent.data[1] + 1, shape_b)
assert layer._data_view.shape == shape_b[-2:]
def test_changing_labels():
"""Test changing Labels data."""
shape_a = (10, 15)
shape_b = (20, 12)
shape_c = (10, 10)
np.random.seed(0)
data_a = np.random.randint(20, size=shape_a)
data_b = np.random.randint(20, size=shape_b)
layer = Labels(data_a)
layer.data = data_b
assert np.all(layer.data == data_b)
assert layer.ndim == len(shape_b)
np.testing.assert_array_equal(layer.extent.data[1] + 1, shape_b)
assert layer._data_view.shape == shape_b[-2:]
data_c = np.zeros(shape_c, dtype=bool)
layer.data = data_c
assert np.issubdtype(layer.data.dtype, np.integer)
data_c = data_c.astype(np.float32)
with pytest.raises(TypeError):
layer.data = data_c
def test_changing_labels():
"""Test changing Labels data."""
shape_a = (10, 15)
shape_b = (20, 12)
np.random.seed(0)
data_a = np.random.randint(20, size=shape_a)
data_b = np.random.randint(20, size=shape_b)
layer = Labels(data_a)
layer.data = data_b
assert np.all(layer.data == data_b)
assert layer.ndim == len(shape_b)
assert layer.shape == shape_b
assert layer.dims.range == [(0, m, 1) for m in shape_b]
assert layer._data_view.shape == shape_b[-2:]
def test_changing_labels_dims():
"""Test changing Labels data including dimensionality."""
shape_a = (10, 15)
shape_b = (20, 12, 6)
np.random.seed(0)
data_a = np.random.randint(20, size=shape_a)
data_b = np.random.randint(20, size=shape_b)
layer = Labels(data_a)
layer.data = data_b
assert np.all(layer.data == data_b)
assert layer.ndim == len(shape_b)
assert layer.shape == shape_b
assert layer._data_view.shape == shape_b[-2:]
def test_changing_labels_dims():
"""Test changing Labels data including dimensionality."""
shape_a = (10, 15)
shape_b = (20, 12, 6)
np.random.seed(0)
data_a = np.random.randint(20, size=shape_a)
data_b = np.random.randint(20, size=shape_b)
layer = Labels(data_a)
# Prep indices for swtich to 3D
layer._indices = (0, ) + layer._indices
layer.data = data_b
assert np.all(layer.data == data_b)
assert layer.ndim == len(shape_b)
assert layer.shape == shape_b
assert layer.range == tuple((0, m, 1) for m in shape_b)
assert layer._data_view.shape == shape_b[-2:]
