def test_from_spot_attributes_throws_type_error_when_passed_a_dataframe():
"""SpotAttributes should be passed instead."""
# input has two spots
not_spot_attributes = pd.DataFrame(
data=np.array([[1, 1, 1, 1], [2, 2, 2, 1]]),
columns=[Indices.Z, Indices.Y, Indices.X, Features.SPOT_RADIUS])
with pytest.raises(TypeError):
IntensityTable.empty_intensity_table(not_spot_attributes,
n_ch=1,
n_round=3)
def test_intensity_table_can_be_created_from_spot_attributes():
"""
This test creates an IntensityTable from spot attributes, and verifies that the size matches
what was requested and that the values are all zero.
"""
# input has two spots
spot_attributes = SpotAttributes(
pd.DataFrame(
data=np.array([[1, 1, 1, 1], [2, 2, 2, 1]]),
columns=[Indices.Z, Indices.Y, Indices.X, Features.SPOT_RADIUS]))
intensities = IntensityTable.empty_intensity_table(spot_attributes,
n_ch=1,
n_round=3)
assert intensities.sizes[Indices.CH] == 1
assert intensities.sizes[Indices.ROUND] == 3
assert intensities.sizes[Features.AXIS] == 2
assert np.all(intensities.values == 0)