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#!/usr/bin/env python 

 

# 

# LSST Data Management System 

# Copyright 2016 LSST Corporation. 

# 

# This product includes software developed by the 

# LSST Project (http://www.lsst.org/). 

# 

# 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 LSST License Statement and 

# the GNU General Public License along with this program. If not, 

# see <http://www.lsstcorp.org/LegalNotices/>. 

# 

 

import os 

import shutil 

import unittest 

import tempfile 

 

import lsst.utils.tests 

import lsst.daf.persistence as dafPersist 

 

ROOT = os.path.abspath(os.path.dirname(__file__)) 

 

 

class TestFindParentMapperV1Butler(unittest.TestCase): 

"""Test that in an 'old' Butler repository the mapper can be found in a parent repo via the _parent 

symlink. 

""" 

 

def setUp(self): 

self.testDir = tempfile.mkdtemp(dir=ROOT, prefix='TestFindParentMapperV1Butler-') 

self.parentRepoDir = os.path.join(self.testDir, 'parentRepo') 

os.makedirs(self.parentRepoDir) 

 

# note: do not put a _mapper file in the parent here, it will be added later when needed. 

 

self.childRepoDir = os.path.join(self.testDir, 'childRepo') 

os.makedirs(self.childRepoDir) 

os.symlink(self.parentRepoDir, os.path.join(self.childRepoDir, '_parent')) 

 

def tearDown(self): 

if os.path.exists(self.testDir): 

shutil.rmtree(self.testDir) 

 

def test(self): 

# put the mapper file in the parent repo, and see if the child repo can find it via the _parent 

# symlink. 

with open(os.path.join(self.parentRepoDir, '_mapper'), 'w') as f: 

f.write('lsst.obs.base.test.CompositeMapper') 

 

# this should not raise an error, no error indicates that the mapper can not be found. 

dafPersist.Butler(root=self.childRepoDir) 

 

def testNoMapper(self): 

# Since in this case the _mapper file does not exist in the parent repo, this should raise an error 

# indicating that the mapper can not be found. 

with self.assertRaises(RuntimeError): 

dafPersist.Butler(self.childRepoDir, policyDir=self.testDir) 

 

 

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

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

80 ↛ 81line 80 didn't jump to line 81, because the condition on line 80 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()