<commit_before>""" Unit tests for pipelines expressed via dask.delayed


"""
import logging
import sys
import unittest

import numpy
from astropy import units as u
from astropy.coordinates import SkyCoord

from data_models.polarisation import PolarisationFrame
from processing_components.image.operations import export_image_to_fits, smooth_image
from processing_components.imaging.ng import predict_ng, invert_ng
from processing_components.imaging.base import predict_skycomponent_visibility, invert_2d
from processing_components.simulation.configurations import create_named_configuration
from processing_components.simulation.testing_support import ingest_unittest_visibility, \
    create_unittest_model, create_unittest_components
from processing_components.skycomponent.operations import find_skycomponents, find_nearest_skycomponent, \
    insert_skycomponent
from processing_components.visibility.coalesce import convert_blockvisibility_to_visibility
from processing_components.visibility.base import copy_visibility

try:
    import nifty_gridder
    run_ng_tests = True
#            except ModuleNotFoundError:
except:
    run_ng_tests = False

log = logging.getLogger(__name__)

log.setLevel(logging.DEBUG)
log.addHandler(logging.StreamHandler(sys.stdout))
log.addHandler(logging.StreamHandler(sys.stderr))


class TestImagingNG(unittest.TestCase):
    def setUp(self):
        
        from data_models.parameters import arl_path
        self.dir = arl_path('test_results')<commit_msg>Dont run if nifty-gridder not available<commit_after>""" Unit tests for pipelines expressed via dask.delayed


"""
import logging
import sys
import unittest

import numpy
from astropy import units as u
from astropy.coordinates import SkyCoord

from data_models.polarisation import PolarisationFrame
from processing_components.image.operations import export_image_to_fits, smooth_image
from processing_components.imaging.base import predict_skycomponent_visibility
from processing_components.simulation.configurations import create_named_configuration
from processing_components.simulation.testing_support import ingest_unittest_visibility, \
    create_unittest_model, create_unittest_components
from processing_components.skycomponent.operations import find_skycomponents, find_nearest_skycomponent, \
    insert_skycomponent
from processing_components.visibility.coalesce import convert_blockvisibility_to_visibility
from processing_components.visibility.base import copy_visibility

try:
    import nifty_gridder
    run_ng_tests = True
#            except ModuleNotFoundError:
except ModuleNotFoundError:
    run_ng_tests = False

log = logging.getLogger(__name__)

log.setLevel(logging.DEBUG)
log.addHandler(logging.StreamHandler(sys.stdout))
log.addHandler(logging.StreamHandler(sys.stderr))


class TestImagingNG(unittest.TestCase):
    def setUp(self):
        
        from data_models.parameters import arl_path
        self.dir = arl_path('test_results')
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