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# This file is part of ap_association. 

# 

# 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 unittest.mock 

 

import astropy.units as u 

 

import lsst.utils.tests 

from lsst.pex.config import Config 

from lsst.daf.base import PropertySet 

from lsst.dax.ppdb import Ppdb 

from lsst.pipe.base import Task, Struct 

from lsst.verify import Name 

from lsst.verify.gen2tasks.testUtils import MetricTaskTestCase 

from lsst.verify.tasks import MetricComputationError 

from lsst.verify.tasks.testUtils import MetadataMetricTestCase, PpdbMetricTestCase 

 

from lsst.ap.association.metrics import \ 

NumberNewDiaObjectsMetricTask, \ 

NumberUnassociatedDiaObjectsMetricTask, \ 

FractionUpdatedDiaObjectsMetricTask, \ 

TotalUnassociatedDiaObjectsMetricTask 

 

 

def _makeAssociationMetadata(numUpdated=27, numNew=4, numUnassociated=15): 

metadata = PropertySet() 

metadata.add("association.numUpdatedDiaObjects", numUpdated) 

metadata.add("association.numNewDiaObjects", numNew) 

metadata.add("association.numUnassociatedDiaObjects", numUnassociated) 

return metadata 

 

 

class TestNewDiaObjects(MetadataMetricTestCase): 

 

@classmethod 

def makeTask(cls): 

return NumberNewDiaObjectsMetricTask() 

 

def testValid(self): 

metadata = _makeAssociationMetadata() 

result = self.task.run(metadata) 

meas = result.measurement 

 

self.assertEqual(meas.metric_name, Name(metric="ap_association.numNewDiaObjects")) 

self.assertEqual(meas.quantity, metadata.getAsDouble("association.numNewDiaObjects") * u.count) 

 

def testNoNew(self): 

metadata = _makeAssociationMetadata(numNew=0) 

result = self.task.run(metadata) 

meas = result.measurement 

 

self.assertEqual(meas.metric_name, Name(metric="ap_association.numNewDiaObjects")) 

self.assertEqual(meas.quantity, 0.0 * u.count) 

 

def testMissingData(self): 

result = self.task.run(None) 

meas = result.measurement 

self.assertIsNone(meas) 

 

def testAssociationFailed(self): 

result = self.task.run(PropertySet()) 

meas = result.measurement 

self.assertIsNone(meas) 

 

def testBadlyTypedKeys(self): 

metadata = _makeAssociationMetadata() 

metadata.set("association.numNewDiaObjects", "Ultimate Answer") 

 

with self.assertRaises(MetricComputationError): 

self.task.run(metadata) 

 

 

class TestUnassociatedDiaObjects(MetadataMetricTestCase): 

 

@classmethod 

def makeTask(cls): 

return NumberUnassociatedDiaObjectsMetricTask() 

 

def testValid(self): 

metadata = _makeAssociationMetadata() 

result = self.task.run(metadata) 

meas = result.measurement 

 

self.assertEqual(meas.metric_name, Name(metric="ap_association.numUnassociatedDiaObjects")) 

self.assertEqual(meas.quantity, 

metadata.getAsDouble("association.numUnassociatedDiaObjects") * u.count) 

 

def testAllUpdated(self): 

metadata = _makeAssociationMetadata(numUnassociated=0) 

result = self.task.run(metadata) 

meas = result.measurement 

 

self.assertEqual(meas.metric_name, Name(metric="ap_association.numUnassociatedDiaObjects")) 

self.assertEqual(meas.quantity, 0.0 * u.count) 

 

def testMissingData(self): 

result = self.task.run(None) 

meas = result.measurement 

self.assertIsNone(meas) 

 

def testAssociationFailed(self): 

result = self.task.run(PropertySet()) 

meas = result.measurement 

self.assertIsNone(meas) 

 

def testBadlyTypedKeys(self): 

metadata = _makeAssociationMetadata() 

metadata.set("association.numUnassociatedDiaObjects", "Ultimate Answer") 

 

with self.assertRaises(MetricComputationError): 

self.task.run(metadata) 

 

 

class TestFracUpdatedDiaObjects(MetadataMetricTestCase): 

 

@classmethod 

def makeTask(cls): 

return FractionUpdatedDiaObjectsMetricTask() 

 

def testValid(self): 

metadata = _makeAssociationMetadata() 

result = self.task.run(metadata) 

meas = result.measurement 

 

self.assertEqual(meas.metric_name, Name(metric="ap_association.fracUpdatedDiaObjects")) 

nUpdated = metadata.getAsDouble("association.numUpdatedDiaObjects") 

nTotal = metadata.getAsDouble("association.numUnassociatedDiaObjects") + nUpdated 

self.assertEqual(meas.quantity, nUpdated / nTotal * u.dimensionless_unscaled) 

 

def testNoUpdated(self): 

metadata = _makeAssociationMetadata(numUpdated=0) 

result = self.task.run(metadata) 

meas = result.measurement 

 

self.assertEqual(meas.metric_name, Name(metric="ap_association.fracUpdatedDiaObjects")) 

self.assertEqual(meas.quantity, 0.0 * u.dimensionless_unscaled) 

 

def testAllUpdated(self): 

metadata = _makeAssociationMetadata(numUnassociated=0) 

result = self.task.run(metadata) 

meas = result.measurement 

 

self.assertEqual(meas.metric_name, Name(metric="ap_association.fracUpdatedDiaObjects")) 

self.assertEqual(meas.quantity, 1.0 * u.dimensionless_unscaled) 

 

def testNoObjects(self): 

metadata = _makeAssociationMetadata(numUpdated=0, numUnassociated=0) 

with self.assertRaises(MetricComputationError): 

self.task.run(metadata) 

 

def testMissingData(self): 

result = self.task.run(None) 

meas = result.measurement 

self.assertIsNone(meas) 

 

def testAssociationFailed(self): 

result = self.task.run(PropertySet()) 

meas = result.measurement 

self.assertIsNone(meas) 

 

def testBadlyTypedKeys(self): 

metadata = _makeAssociationMetadata() 

metadata.set("association.numUnassociatedDiaObjects", "Ultimate Answer") 

 

with self.assertRaises(MetricComputationError): 

self.task.run(metadata) 

 

 

class TestTotalUnassociatedObjects(PpdbMetricTestCase): 

 

@staticmethod 

def _makePpdb(dummy_dbInfo): 

"""Create a dummy ppdb. 

 

We don't have access to the ppdb in the task directly so mocking 

return values is difficult. We thus make use of the dummy dbInfo 

that is passed to the init task to pass values to the ppdb object 

instantiated. 

""" 

ppdb = unittest.mock.Mock(Ppdb) 

test_value = dummy_dbInfo["test_value"] 

ppdb.countUnassociatedObjects = unittest.mock.MagicMock( 

return_value=test_value) 

return ppdb 

 

@classmethod 

def makeTask(cls): 

class SimpleDbLoader(Task): 

ConfigClass = Config 

 

def run(self, dummy): 

if dummy is not None: 

return Struct(ppdb=cls._makePpdb(dummy)) 

else: 

return Struct(ppdb=None) 

 

config = TotalUnassociatedDiaObjectsMetricTask.ConfigClass() 

config.dbLoader.retarget(SimpleDbLoader) 

return TotalUnassociatedDiaObjectsMetricTask(config=config) 

 

@classmethod 

def makeDbInfo(cls): 

return {"test_value": "whatever"} 

 

def setUp(self): 

super().setUp() 

# Do the patch here to avoid passing extra arguments to superclass tests 

 

def testValid(self): 

result = self.task.run({"test_value": 42}) 

meas = result.measurement 

 

self.assertEqual(meas.metric_name, Name(metric="ap_association.totalUnassociatedDiaObjects")) 

self.assertEqual(meas.quantity, 42 * u.count) 

 

def testAllAssociated(self): 

result = self.task.run({"test_value": 0}) 

meas = result.measurement 

 

self.assertEqual(meas.metric_name, Name(metric="ap_association.totalUnassociatedDiaObjects")) 

self.assertEqual(meas.quantity, 0.0 * u.count) 

 

def testMissingData(self): 

result = self.task.run(None) 

meas = result.measurement 

self.assertIsNone(meas) 

 

def testFineGrainedMetric(self): 

with self.assertRaises(ValueError): 

self.task.run(self.makeDbInfo(), outputDataId={"visit": 42}) 

 

 

# Hack around unittest's hacky test setup system 

del MetricTaskTestCase 

del MetadataMetricTestCase 

del PpdbMetricTestCase 

 

 

class MemoryTester(lsst.utils.tests.MemoryTestCase): 

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

266 ↛ 267line 266 didn't jump to line 267, because the condition on line 266 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()