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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/>. 

 

__all__ = ["MetadataMetricTestCase", "PpdbMetricTestCase"] 

 

import unittest.mock 

 

from lsst.pex.config import Config, ConfigField 

from lsst.daf.base import PropertySet 

from lsst.dax.ppdb import PpdbConfig 

 

from lsst.verify.gen2tasks.testUtils import MetricTaskTestCase 

from lsst.verify.tasks import MetricComputationError 

 

 

class MetadataMetricTestCase(MetricTaskTestCase): 

"""Unit test base class for tests of `MetadataMetricTask`. 

 

Notes 

----- 

Subclasses must override 

`~lsst.verify.gen2tasks.MetricTaskTestCase.makeTask` for the concrete task 

being tested. 

""" 

 

def testInputDatasetTypes(self): 

defaultInputs = self.taskClass.getInputDatasetTypes(self.task.config) 

self.assertEqual(defaultInputs.keys(), {"metadata"}) 

 

def testValidRun(self): 

mockKey = "unitTestKey" 

with unittest.mock.patch.object(self.task, "getInputMetadataKeys", 

return_value={"unused": mockKey}): 

with unittest.mock.patch.object(self.task, "makeMeasurement") \ 

as mockWorkhorse: 

metadata1 = PropertySet() 

metadata1[mockKey] = 42 

metadata2 = PropertySet() 

metadata2[mockKey] = "Sphere" 

self.task.run([metadata1, None, metadata2]) 

mockWorkhorse.assert_called_once_with( 

[{"unused": value} for value in [42, None, "Sphere"]]) 

 

def testAmbiguousRun(self): 

mockKey = "unitTestKey" 

with unittest.mock.patch.object(self.task, "getInputMetadataKeys", 

return_value={"unused": mockKey}): 

metadata = PropertySet() 

metadata[mockKey + "1"] = 42 

metadata[mockKey + "2"] = "Sphere" 

with self.assertRaises(MetricComputationError): 

self.task.run([metadata]) 

 

def testPassThroughRun(self): 

with unittest.mock.patch.object(self.task, "makeMeasurement", 

side_effect=MetricComputationError): 

with self.assertRaises(MetricComputationError): 

self.task.run([None]) 

 

 

class DummyConfig(Config): 

ppdb = ConfigField(dtype=PpdbConfig, doc="Mandatory field") 

 

 

class PpdbMetricTestCase(MetricTaskTestCase): 

"""Unit test base class for tests of `PpdbMetricTask`. 

 

Notes 

----- 

Subclasses must override 

`~lsst.verify.gen2tasks.MetricTaskTestCase.makeTask` for the concrete task 

being tested. 

""" 

 

def testInputDatasetTypes(self): 

defaultInputs = self.taskClass.getInputDatasetTypes(self.task.config) 

self.assertEqual(defaultInputs.keys(), {"dbInfo"}) 

 

def testValidRun(self): 

config = DummyConfig() 

with unittest.mock.patch.object(self.task, "makeMeasurement") \ 

as mockWorkhorse: 

self.task.run(config) 

mockWorkhorse.assert_called_once() 

 

def testPassThroughRun(self): 

with unittest.mock.patch.object(self.task, "makeMeasurement", 

side_effect=MetricComputationError): 

config = DummyConfig() 

with self.assertRaises(MetricComputationError): 

self.task.run(config)