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# 

# LSST Data Management System 

# Copyright 2008, 2009, 2010 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/>. 

# 

from builtins import object 

 

import shutil 

import unittest 

 

import os 

import pickle 

import tempfile 

import lsst.daf.persistence as dafPersist 

import lsst.utils.tests 

from cameraMapper import CameraMapper 

 

# Define the root of the tests relative to this file 

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

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

class Registry(object): 

 

def __init__(self, dictList): 

self.dictList = dictList 

 

def query(self, datasetType, format, dataId): 

result = set() 

for d in self.dictList: 

where = True 

for k in dataId.keys(): 

if k not in d: 

raise RuntimeError("%s not in %s" % (k, repr(d))) 

if d[k] != dataId[k]: 

where = False 

break 

if where: 

values = [] 

for k in format: 

values.append(d[k]) 

result.add(tuple(values)) 

return result 

 

 

class ImgMapper(CameraMapper): 

 

def __init__(self, root, **kwargs): 

CameraMapper.__init__(self, root, **kwargs) 

self.root = os.path.join(ROOT, root) 

self.registry = Registry([ 

dict(visit=123456, raft="1,1", sensor="2,2", amp="0,0", 

snap=0, skyTile=5), 

dict(visit=123456, raft="1,1", sensor="2,2", amp="0,0", 

snap=1, skyTile=5), 

dict(visit=123456, raft="1,1", sensor="2,2", amp="0,1", 

snap=0, skyTile=5), 

dict(visit=123456, raft="1,1", sensor="2,2", amp="1,0", 

snap=1, skyTile=5), 

dict(visit=123456, raft="1,1", sensor="2,2", amp="1,1", 

snap=0, skyTile=5), 

 

dict(visit=123456, raft="1,2", sensor="2,1", amp="0,0", 

snap=1, skyTile=6), 

dict(visit=123456, raft="1,2", sensor="2,2", amp="0,0", 

snap=0, skyTile=6), 

 

dict(visit=654321, raft="1,3", sensor="1,1", amp="0,0", 

snap=1, skyTile=6), 

dict(visit=654321, raft="1,3", sensor="1,2", amp="0,0", 

snap=0, skyTile=6) 

]) 

 

 

class ButlerSubsetTestCase(unittest.TestCase): 

"""A test case for the subset capability of the data butler.""" 

 

# create some random alias typenames 

calexpTypeName = "@goBears" 

rawTypeName = "@veggies" 

 

def setUp(self): 

self.tmpRoot = tempfile.mkdtemp() 

 

def tearDown(self): 

shutil.rmtree(self.tmpRoot, ignore_errors=True) 

 

@staticmethod 

def registerAliases(butler): 

butler.defineAlias(ButlerSubsetTestCase.calexpTypeName, "calexp") 

butler.defineAlias(ButlerSubsetTestCase.rawTypeName, "raw") 

return butler 

 

def testSingleIteration(self): 

butler = dafPersist.Butler( 

outputs={'mode': 'rw', 'root': self.tmpRoot, 'mapper': ImgMapper}) 

 

ButlerSubsetTestCase.registerAliases(butler) 

 

inputList = ["calexp_v123456_R1,2_S2,1.pickle", 

"calexp_v123456_R1,2_S2,2.pickle", 

"calexp_v654321_R1,3_S1,1.pickle", 

"calexp_v654321_R1,3_S1,2.pickle"] 

for fileName in inputList: 

with open(os.path.join(self.tmpRoot, fileName), "wb") as f: 

pickle.dump(inputList, f) 

 

subset = butler.subset(self.calexpTypeName, skyTile=6) 

# all sensors overlapping that skyTile 

self.assertEqual(len(subset), 4) 

for iterator in subset: 

# calexp is by sensor, so get the data directly 

self.assertEqual(iterator.dataId["skyTile"], 6) 

if iterator.dataId["raft"] == "1,2": 

self.assertIn(iterator.dataId["sensor"], ["2,1", "2,2"]) 

self.assertEqual(iterator.dataId["visit"], 123456) 

elif iterator.dataId["raft"] == "1,3": 

self.assertIn(iterator.dataId["sensor"], ["1,1", "1,2"]) 

self.assertEqual(iterator.dataId["visit"], 654321) 

else: 

self.assertIn(iterator.dataId["raft"], ["1,2", "1,3"]) 

image = iterator.get(self.calexpTypeName, immediate=False) # succeeds since deferred 

self.assertEqual(type(image), dafPersist.readProxy.ReadProxy) 

image = iterator.get(self.calexpTypeName, immediate=True) # real test 

self.assertEqual(type(image), list) 

self.assertEqual(image, inputList) 

 

# Tests for new getUri 

imageUri = iterator.getUri(self.calexpTypeName) 

fileName = 'calexp_v%(visit)d_R%(raft)s_S%(sensor)s.pickle' % iterator.dataId 

self.assertEqual(imageUri, os.path.join(self.tmpRoot, fileName)) 

self.assertEqual(os.path.isfile(imageUri), True) 

 

for fileName in inputList: 

os.unlink(os.path.join(self.tmpRoot, fileName)) 

 

def testNonexistentValue(self): 

butler = dafPersist.Butler( 

outputs={'mode': 'rw', 'root': self.tmpRoot, 'mapper': ImgMapper}) 

ButlerSubsetTestCase.registerAliases(butler) 

subset = butler.subset(self.calexpTypeName, skyTile=2349023905239) 

self.assertEqual(len(subset), 0) 

 

def testInvalidValue(self): 

butler = dafPersist.Butler( 

outputs={'mode': 'rw', 'root': self.tmpRoot, 'mapper': ImgMapper}) 

ButlerSubsetTestCase.registerAliases(butler) 

subset = butler.subset(self.calexpTypeName, skyTile="foo") 

self.assertEqual(len(subset), 0) 

subset = butler.subset(self.calexpTypeName, visit=123456, sensor="1;2") 

self.assertEqual(len(subset), 0) 

 

def testDoubleIteration(self): 

# create a bunch of files for testing 

inputList = ["flat_R1,1_S2,2_C0,0_E000.pickle", 

"flat_R1,1_S2,2_C0,0_E001.pickle", 

"flat_R1,1_S2,2_C0,1_E000.pickle", 

"flat_R1,1_S2,2_C1,0_E001.pickle", 

"flat_R1,1_S2,2_C1,1_E000.pickle", 

"flat_R1,2_S2,1_C0,0_E001.pickle", 

"flat_R1,2_S2,2_C0,0_E000.pickle"] 

for fileName in inputList: 

with open(os.path.join(self.tmpRoot, fileName), "wb") as f: 

pickle.dump(inputList, f) 

 

butler = dafPersist.Butler( 

outputs={'mode': 'rw', 'root': self.tmpRoot, 'mapper': ImgMapper}) 

 

ButlerSubsetTestCase.registerAliases(butler) 

 

subset = butler.subset(self.rawTypeName, visit=123456) 

# Note: default level = "sensor" 

n = len(subset) 

self.assertEqual(n, 3) 

for iterator in subset: 

# this is a sensor iterator, but raw data is by amplifier, so 

# iterate over amplifiers 

self.assertEqual(set(iterator.subLevels()), set(["snap", "amp"])) 

if iterator.dataId["raft"] == "1,1": 

self.assertEqual(len(iterator.subItems()), 5) 

else: 

self.assertEqual(iterator.dataId["raft"], "1,2") 

self.assertEqual(len(iterator.subItems()), 1) 

for ampIterator in iterator.subItems(): # default level = "amp" 

if iterator.dataId["raft"] == "1,1": 

self.assertEqual(iterator.dataId["sensor"], "2,2") 

self.assertIn(ampIterator.dataId["amp"], ["0,0", "0,1", 

"1,0", "1,1"]) 

self.assertIn(ampIterator.dataId["snap"], [0, 1]) 

else: 

self.assertIn(iterator.dataId["sensor"], ["2,1", "2,2"]) 

# equivalent to butler.get(self.rawTypeName, ampIterator) 

self.assertTrue(ampIterator.datasetExists("flat")) 

flat = ampIterator.get("flat") 

self.assertEqual(flat, inputList) 

flat = ampIterator.get("flat", immediate=True) 

self.assertEqual(flat, inputList) 

# ...perform ISR, assemble and calibrate the CCD, then persist 

calexp = flat 

iterator.put(calexp, self.calexpTypeName) 

 

for fileName in inputList: 

os.unlink(os.path.join(self.tmpRoot, fileName)) 

ref = butler.dataRef(self.rawTypeName, 

visit=123456, raft="1,1", sensor="2,2", amp="0,1", snap=0) 

self.assertFalse(ref.datasetExists("flat")) 

 

for fileName in ["calexp_v123456_R1,1_S2,2.pickle", 

"calexp_v123456_R1,2_S2,1.pickle", 

"calexp_v123456_R1,2_S2,2.pickle"]: 

self.assertTrue(os.path.exists(os.path.join(self.tmpRoot, fileName))) 

os.unlink(os.path.join(self.tmpRoot, fileName)) 

 

def testCompleteDataRef(self): 

butler = dafPersist.Butler( 

outputs={'mode': 'rw', 'root': self.tmpRoot, 'mapper': ImgMapper}) 

ButlerSubsetTestCase.registerAliases(butler) 

 

# Test by using junk data 

tuples = butler.queryMetadata(self.rawTypeName, "amp", 

dict(visit=314159, raft="ab", sensor="cd", amp="ef", snap=9)) 

self.assertEqual(len(tuples), 0) 

subset = butler.subset(self.rawTypeName, "amp", visit=314159, raft="ab", sensor="cd") 

self.assertEqual(len(subset), 0) 

 

# But allow user to fully specify dataId, even if it doesn't exist 

subset = butler.subset(self.rawTypeName, "sensor", visit=314159, raft="ab", sensor="cd") 

self.assertEqual(len(subset), 1) 

ref = butler.dataRef(self.rawTypeName, visit=314159, raft="ab", sensor="cd", amp="ef", snap=9) 

self.assertFalse(ref.datasetExists(self.rawTypeName)) 

 

 

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

pass 

 

 

256 ↛ 257line 256 didn't jump to line 257, because the condition on line 256 was never trueif __name__ == '__main__': 

lsst.utils.tests.init() 

unittest.main()