def tst_after_import_extensions(self):
import dials.extensions # import dependency
from dials.interfaces import ProfileModelIface
from dials.interfaces import SpotFinderThresholdIface
from dials.interfaces import CentroidIface
from dials.interfaces import BackgroundIface
# Should have four interfaces
interfaces = list(Interface.interfaces())
assert (len(interfaces) == 4)
# Check we have the expected number of extensions for each interface
extensions = list(ProfileModelIface.extensions())
assert (len(extensions) > 0)
extensions = list(SpotFinderThresholdIface.extensions())
assert (len(extensions) > 0)
extensions = list(CentroidIface.extensions())
assert (len(extensions) > 0)
extensions = list(BackgroundIface.extensions())
assert (len(extensions) > 0)
# Check the interface contain the expected extensions
from dials.extensions import GaussianRSProfileModelExt
from dials.extensions import KabschSpotFinderThresholdExt
from dials.extensions import SimpleCentroidExt
from dials.extensions import NullBackgroundExt
from dials.extensions import SimpleBackgroundExt
extensions = list(ProfileModelIface.extensions())
assert (GaussianRSProfileModelExt in extensions)
extensions = list(SpotFinderThresholdIface.extensions())
assert (KabschSpotFinderThresholdExt in extensions)
extensions = list(CentroidIface.extensions())
assert (SimpleCentroidExt in extensions)
extensions = list(BackgroundIface.extensions())
assert (NullBackgroundExt in extensions)
assert (SimpleBackgroundExt in extensions)
# Test passed
print 'OK'
