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# This file is part of verify. 

# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

# (https://www.lsst.org). 

# See the COPYRIGHT file at the top-level directory of this distribution 

# for details of code ownership. 

# 

# This program is free software: you can redistribute it and/or modify 

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

# the Free Software Foundation, either version 3 of the License, or 

# (at your option) any later version. 

# 

# This program 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 General Public License for more details. 

# 

# You should have received a copy of the GNU General Public License 

# along with this program. If not, see <https://www.gnu.org/licenses/>. 

 

import unittest 

 

import astropy.units as u 

 

from lsst.verify import Blob, Datum 

from lsst.verify.blobset import BlobSet 

 

 

class BlobSetTestCase(unittest.TestCase): 

"""Test BlobSet general usage.""" 

 

def setUp(self): 

mag1 = Datum( 

quantity=5 * u.mag, 

label='mag1', 

description='Magnitude') 

mag2 = Datum( 

quantity=10 * u.mag, 

label='mag2', 

description='Magnitude') 

self.blob1 = Blob('blob1', mag1=mag1, mag2=mag2) 

 

sep1 = Datum( 

quantity=5 * u.arcsec, 

label='sep1', 

description='Separation') 

sep2 = Datum( 

quantity=10 * u.arcsec, 

label='sep2', 

description='Separation') 

self.blob2 = Blob('blob2', sep1=sep1, sep2=sep2) 

 

def test_blob_set(self): 

blob_set = BlobSet([self.blob1]) 

 

self.assertIn('blob1', blob_set) 

self.assertIn(self.blob1.identifier, blob_set) 

self.assertEqual(len(blob_set), 1) 

self.assertIs(blob_set['blob1'], self.blob1) 

 

# add blob with inconsistent identifier 

with self.assertRaises(KeyError): 

blob_set['blob'] = self.blob2 

 

# add with identifier 

blob_set[self.blob2.identifier] = self.blob2 

self.assertIn('blob2', blob_set) 

self.assertIn(self.blob2.identifier, blob_set) 

self.assertEqual(len(blob_set), 2) 

self.assertIs(blob_set['blob2'], self.blob2) 

 

# delete blob2 

del blob_set['blob2'] 

self.assertNotIn('blob2', blob_set) 

self.assertNotIn(self.blob2.identifier, blob_set) 

self.assertEqual(len(blob_set), 1) 

 

# insert blob2 

blob_set.insert(self.blob2) 

self.assertIn('blob2', blob_set) 

self.assertIn(self.blob2.identifier, blob_set) 

self.assertEqual(len(blob_set), 2) 

self.assertIs(blob_set['blob2'], self.blob2) 

 

# iteration 

blobs = [b for k, b in blob_set.items()] 

self.assertEqual(len(blobs), 2) 

for blob in blobs: 

self.assertIsInstance(blob, Blob) 

 

# serialize 

json_doc = blob_set.json 

 

# deserialize 

new_blob_set = BlobSet.deserialize(blobs=json_doc) 

self.assertEqual(new_blob_set, blob_set) 

 

 

100 ↛ 101line 100 didn't jump to line 101, because the condition on line 100 was never trueif __name__ == "__main__": 

unittest.main()