casa6

##########################################################################

# test_task_imval.py

# Copyright (C) 2018

# Associated Universities, Inc. Washington DC, USA.

#

# This script is free software; you can redistribute it and/or modify it

# under the terms of the GNU Library General Public License as published by

# the Free Software Foundation; either version 2 of the License, or (at your

# option) any later version.

#

# This library is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public

# License for more details.

#

#

# Based on the requirements listed in casadocs found here:

# https://casadocs.readthedocs.io/en/stable/api/tt/casatasks.analysis.imval.html

#

##########################################################################

import time

import os

import shutil

import glob

import numpy

import unittest

​

from casatools import ctsys, image

from casatasks import imval, casalog

​

_ia = image()

​

# Input files

datapath = ctsys.resolve('unittest/imval/')

image_file = 'n4826_bima.im'

good_rgn_file   =  'n4826_bima_test.rgn'

​

​

###########################################################################

# NAME: info

#

# SHORT DESCRIPTION: Display information.

#

# DESCRIPTION: Write information to the local logger.

#

############################################################################

​

def info(message):

    #note(message,origin='regionmgrtest')

    print(message)

    casalog.postLocally(message, priority="NORMAL", origin='regionmgrtest')

​

​

###########################################################################

# NAME: note

#

# SHORT DESCRIPTION: Display information.

#

# DESCRIPTION: Write information to the local logger with the given priority

#

############################################################################

​

def note(message, priority="NORMAL", origin="imval_test"):

    print(message)

    casalog.postLocally(message, priority, origin)

​

###########################################################################

# Input test general format

​

​

def tryInput(imagename, box='', chans='', stokes='', region='', errormsg=''):

    retValue = {'success': True, 'msgs': "", 'error_msgs': ''}

    note("Starting imval INPUT/OUTPUT tests.", 'NORMAL2')

    info('Performing input/output tests on imagename, errors WILL occur.')

​

    results = None

    try:

        results = imval(imagename=imagename, box=box, chans=chans, stokes=stokes, region=region)

    except:

        pass

    else:

        if (results != None \

                and ((isinstance(results, bool) and results == True) \

                     or (isinstance(results, dict) and results != {}))):

            retValue['success'] = False

            retValue['error_msgs'] = retValue['error_msgs'] \

                                     + errormsg

    return retValue

​

###########################################################################

# Single point test general format