def _slice(self, state, workspace, monitor_workspace, data_type_as_string):
returned = slice_sans_event(state_slice=state.slice, input_ws=workspace,
input_ws_monitor=monitor_workspace, data_type_str=data_type_as_string)
workspace = returned["OutputWorkspace"]
monitor_workspace = returned["OutputWorkspaceMonitor"]
slice_event_factor = returned["SliceEventFactor"]
return workspace, monitor_workspace, slice_event_factor
def test_that_event_workspace_of_isis_instrument_is_sliced(self):
workspace, monitor_workspace = self._provide_workspaces(is_event=True)
state = self._get_state(start_time=[1.0], end_time=[3.0])
returned = slice_sans_event(state_slice=state.slice, input_ws=workspace,
input_ws_monitor=monitor_workspace)
output_workspace = returned["OutputWorkspace"]
output_workspace_monitor = returned["OutputWorkspaceMonitor"]
slice_factor = returned["SliceEventFactor"]
self.assertEqual(slice_factor, 0.2)
self.assertLess(output_workspace.getNumberEvents(), workspace.getNumberEvents())
self.assertLess(output_workspace_monitor.dataY(0)[0], monitor_workspace.dataY(0)[0])
def test_that_histogram_workspace_is_not_sliced(self):
workspace, monitor_workspace = self._provide_workspaces(is_event=False)
state = self._get_state(start_time=[1.0], end_time=[2.0])
returned = slice_sans_event(state_slice=state.slice, input_ws=workspace,
input_ws_monitor=monitor_workspace)
output_workspace = returned["OutputWorkspace"]
output_workspace_monitor = returned["OutputWorkspaceMonitor"]
slice_factor = returned["SliceEventFactor"]
# We expect a scale factor of 1 and an output workspace which is Workspace2D
self.assertEqual(slice_factor, 1.0)
self.assertTrue(isinstance(output_workspace, Workspace2D))
self.assertTrue(isinstance(output_workspace_monitor, Workspace2D))