def tst_null_reader_sweep(self):
from dxtbx.imageset import NullReader, ImageSweep, SweepFileList
from dxtbx.model import Beam, Detector, Goniometer, Scan
template = 'hello_world_%d.cbf'
paths = [template % 1]
# Create the null reader
reader = NullReader(SweepFileList(template, (0, 1)))
# Create the imageset
imageset = ImageSweep(reader)
# Try to get an item
try:
imageset[0]
assert(False)
except Exception:
print 'OK'
# Try to slice the imageset
imageset2 = imageset[0:1]
print 'OK'
# Try some functions which should work
assert(len(imageset) == 1)
assert(imageset == imageset)
assert(imageset.indices() == [0])
assert(imageset.is_valid())
assert(imageset.get_template() == template)
print 'OK'
# Get the image paths
assert(imageset.paths() == paths)
assert(imageset.get_path(0) == paths[0])
print 'OK'
imageset.set_beam(Beam())
imageset.set_detector(Detector())
imageset.set_goniometer(Goniometer())
imageset.set_scan(Scan((1,1), (0, 1)))
assert(isinstance(imageset.get_beam(), Beam))
assert(isinstance(imageset.get_detector(), Detector))
assert(isinstance(imageset.get_goniometer(), Goniometer))
assert(isinstance(imageset.get_scan(), Scan))
print 'OK'
