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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 contextlib 

import os 

import unittest 

 

import lsst.afw.image as afwImage 

import lsst.afw.table as afwTable 

import lsst.pipe.base as pipeBase 

from lsst.utils import getPackageDir 

import lsst.utils.tests 

from unittest.mock import patch, Mock 

 

from lsst.ap.association import DiaPipelineTask 

 

 

class TestDiaPipelineTask(unittest.TestCase): 

 

@classmethod 

def _makeDefaultConfig(cls): 

config = DiaPipelineTask.ConfigClass() 

config.apdb.db_url = "sqlite://" 

config.apdb.isolation_level = "READ_UNCOMMITTED" 

config.diaSourceDpddifier.copyColumns = {"id": "id", 

"parent": "parent", 

"coord_ra": "coord_ra", 

"coord_dec": "coord_dec"} 

config.diaSourceDpddifier.flagMap = os.path.join( 

getPackageDir("ap_association"), 

"tests", 

"test-flag-map.yaml") 

return config 

 

@contextlib.contextmanager 

def mockPatchSubtasks(self, task): 

"""Make mocks for all the ap_pipe subtasks. 

 

This is needed because the task itself cannot be a mock. 

The task's subtasks do not exist until the task is created, so 

this allows us to mock them instead. 

 

Parameters 

---------- 

task : `lsst.ap.association.DiaPipelineTask` 

The task whose subtasks will be mocked. 

 

Yields 

------ 

subtasks : `lsst.pipe.base.Struct` 

All mocks created by this context manager, including: 

 

``diaCatalogLoader`` 

``dpddifier`` 

``associator`` 

``forcedSource`` 

a mock for the corresponding subtask. Mocks do not return any 

particular value, but have mocked methods that can be queried 

for calls by ApPipeTask 

""" 

with patch.object(task, "diaCatalogLoader") as mockDiaCatLoader, \ 

patch.object(task, "diaSourceDpddifier") as mockDpddifier, \ 

patch.object(task, "associator") as mockAssociator, \ 

patch.object(task, "diaForcedSource") as mockForcedSource, \ 

patch.object(task, "apdb") as mockApdb: 

yield pipeBase.Struct(diaCatalogLoader=mockDiaCatLoader, 

dpddifier=mockDpddifier, 

associator=mockAssociator, 

diaForcedSource=mockForcedSource, 

apdb=mockApdb) 

 

def setUp(self): 

self.config = self._makeDefaultConfig() 

self.srcSchema = afwTable.SourceTable.makeMinimalSchema() 

self.srcSchema.addField("base_PixelFlags_flag", type="Flag") 

self.srcSchema.addField("base_PixelFlags_flag_offimage", type="Flag") 

 

def tearDown(self): 

pass 

 

def testRunQuantum(self): 

pass 

 

def testRun(self): 

"""Test the normal workflow of each ap_pipe step. 

""" 

task = DiaPipelineTask( 

config=self.config, 

initInputs={"diaSourceSchema": self.srcSchema}) 

diffIm = Mock(spec=afwImage.Exposure) 

exposure = Mock(spec=afwImage.ExposureF) 

diaSrc = Mock(sepc=afwTable.SourceCatalog) 

ccdExposureIdBits = 32 

with self.mockPatchSubtasks(task) as subtasks: 

result = task.run(diaSrc, diffIm, exposure, ccdExposureIdBits) 

subtasks.dpddifier.run.assert_called_once() 

subtasks.dpddifier.run.assert_called_once() 

subtasks.associator.run.assert_called_once() 

subtasks.diaForcedSource.run.assert_called_once() 

self.assertEqual(result.apdb_maker.db_url, "sqlite://") 

self.assertEqual(result.apdb_maker.isolation_level, 

"READ_UNCOMMITTED") 

 

 

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

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

131 ↛ 132line 131 didn't jump to line 132, because the condition on line 131 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()