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# -*- coding: UTF-8 -*- 

 

# 

# 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/>. 

# 

 

from builtins import str 

from builtins import range 

 

import os 

import astropy.io.fits 

import shutil 

import sqlite3 

import unittest 

import tempfile 

 

import lsst.daf.persistence as dp 

# can't use name TestObject, becuase it messes Pytest up. Alias it to tstObj 

from lsst.daf.persistence.test import TestObject as tstObj 

from lsst.daf.persistence.test import MapperForTestWriting 

import lsst.utils.tests 

 

# 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 ParentMapper(dp.Mapper): 

 

def __init__(self, root, **kwargs): 

self.root = root 

self.storage = dp.Storage.makeFromURI(self.root) 

 

def __repr__(self): 

return 'ParentMapper(root=%s)' % self.root 

 

def map_raw(self, dataId, write): 

python = 'astropy.io.fits.HDUList' 

persistable = None 

storage = 'PickleStorage' 

path = os.path.join(self.root, 'raw') 

path = os.path.join(path, 'raw_v' + str(dataId['visit']) + '_f' + dataId['filter'] + '.fits.gz') 

if os.path.exists(path): 

return dp.ButlerLocation(python, persistable, storage, path, 

dataId, self, self.storage) 

return None 

 

def bypass_raw(self, datasetType, pythonType, location, dataId): 

return astropy.io.fits.open(location.getLocations()[0]) 

 

def query_raw(self, format, dataId): 

values = [{'visit': 1, 'filter': 'g'}, {'visit': 2, 'filter': 'g'}, {'visit': 3, 'filter': 'r'}] 

matches = [] 

for value in values: 

match = True 

for item in dataId: 

if value[item] != dataId[item]: 

match = False 

break 

if match: 

matches.append(value) 

results = set() 

for match in matches: 

tempTup = [] 

for word in format: 

tempTup.append(match[word]) 

results.add(tuple(tempTup)) 

return results 

 

def getDefaultLevel(self): 

return 'visit' 

 

def getKeys(self, datasetType, level): 

return {'filter': str, 'visit': int} 

 

def map_str(self, dataId, write): 

path = os.path.join(self.root, 'raw') 

path = os.path.join(path, 'raw_v' + str(dataId['str']) + '_f' + dataId['filter'] + '.fits.gz') 

if os.path.exists(path): 

return dp.ButlerLocation(str, None, 'PickleStorage', path, dataId, 

self, self.storage) 

return None 

 

 

class ChildrenMapper(dp.Mapper): 

 

def __init__(self, root, **kwargs): 

self.root = root 

self.storage = dp.Storage.makeFromURI(self.root) 

 

def map_raw(self, dataId, write): 

python = 'astropy.io.fits.HDUList' 

persistable = None 

storage = 'FitsStorage' 

path = os.path.join(self.root, 'raw') 

path = os.path.join(path, 'raw_v' + str(dataId['visit']) + '_f' + dataId['filter'] + '.fits.gz') 

if write or os.path.exists(path): 

return dp.ButlerLocation(python, persistable, storage, path, 

dataId, self, self.storage) 

return None 

 

def map_pickled(self, dataId, write): 

python = 'dict' 

persistable = None 

storage = 'PickleStorage' 

path = os.path.join(self.root, 'raw') 

path = os.path.join(path, 'pickled_v' + str(dataId['visit']) + '_f' + dataId['filter'] + '.fits.gz') 

129 ↛ exitline 129 didn't return from function 'map_pickled', because the condition on line 129 was never false if write or os.path.exists(path): 

return dp.ButlerLocation(python, persistable, storage, path, 

dataId, self, self.storage) 

 

def bypass_raw(self, datasetType, pythonType, location, dataId): 

return astropy.io.fits.open(location.getLocations()[0]) 

 

def query_raw(self, format, dataId): 

return None 

# results = set() 

# return results 

 

def getDefaultLevel(self): 

return 'visit' 

 

def getKeys(self, datasetType, level): 

return {'filter': str, 'visit': int} 

 

 

class TestBasics(unittest.TestCase): 

"""Test case for basic functions of the repository classes.""" 

 

def setUp(self): 

self.testDir = tempfile.mkdtemp(dir=ROOT, prefix="TestBasics-") 

inputRepoArgs = dp.RepositoryArgs(root=os.path.join(ROOT, 'butlerAlias', 'data', 'input'), 

mapper=ParentMapper, 

tags='baArgs') 

# mode of output repos is write-only by default 

outputRepoArgs = dp.RepositoryArgs(root=os.path.join(self.testDir, 'repoA'), 

mapper=ChildrenMapper, 

mode='rw') 

self.butler = dp.Butler(inputs=inputRepoArgs, outputs=outputRepoArgs) 

 

def tearDown(self): 

163 ↛ 165line 163 didn't jump to line 165, because the condition on line 163 was never false if os.path.exists(self.testDir): 

shutil.rmtree(self.testDir) 

165 ↛ 166line 165 didn't jump to line 166, because the condition on line 165 was never true if os.path.exists(os.path.join(ROOT, 'butlerAlias/repositoryCfg.yaml')): 

os.remove(os.path.join(ROOT, 'butlerAlias/repositoryCfg.yaml')) 

167 ↛ exitline 167 didn't return from function 'tearDown', because the condition on line 167 was never false if hasattr(self, "butler"): 

del self.butler 

 

def testGet(self): 

raw_image = self.butler.get('raw', {'visit': '2', 'filter': 'g'}) 

# in this case the width is known to be 1026: 

self.assertEqual(raw_image[1].header["NAXIS1"], 1026) 

 

def testGetUri(self): 

raw_uri = self.butler.getUri('raw', {'visit': '2', 'filter': 'g'}) 

self.assertEqual(raw_uri, 

os.path.join(ROOT, 'butlerAlias', 'data', 'input', 'raw', 'raw_v2_fg.fits.gz')) 

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

 

def testGetUriWrite(self): 

raw_uri = self.butler.getUri('raw', {'visit': '9', 'filter': 'g'}, write=True) 

self.assertEqual(raw_uri, 

os.path.join(self.testDir, 'repoA', 'raw', 'raw_v9_fg.fits.gz')) 

self.assertEqual(os.path.isfile(raw_uri), False) 

 

def testSubset(self): 

subset = self.butler.subset('raw') 

self.assertEqual(len(subset), 3) 

 

def testGetKeys(self): 

keys = self.butler.getKeys('raw') 

self.assertIn('filter', keys) 

self.assertIn('visit', keys) 

self.assertEqual(keys['filter'], str) 

self.assertEqual(keys['visit'], int) 

 

keys = self.butler.getKeys('raw', tag='baArgs') 

self.assertIn('filter', keys) 

self.assertIn('visit', keys) 

self.assertEqual(keys['filter'], str) 

self.assertEqual(keys['visit'], int) 

 

keys = self.butler.getKeys('raw', tag=('baArgs', 'foo')) 

self.assertIn('filter', keys) 

self.assertIn('visit', keys) 

self.assertEqual(keys['filter'], str) 

self.assertEqual(keys['visit'], int) 

 

keys = self.butler.getKeys('raw', tag='foo') 

self.assertIsNone(keys) 

 

keys = self.butler.getKeys('raw', tag=set(['baArgs', 'foo'])) 

self.assertIn('filter', keys) 

self.assertIn('visit', keys) 

self.assertEqual(keys['filter'], str) 

self.assertEqual(keys['visit'], int) 

 

def testQueryMetadata(self): 

val = self.butler.queryMetadata('raw', ('filter',)) 

val.sort() 

self.assertEqual(val, ['g', 'r']) 

 

val = self.butler.queryMetadata('raw', ('visit',)) 

val.sort() 

self.assertEqual(val, [1, 2, 3]) 

 

val = self.butler.queryMetadata('raw', ('visit',), dataId={'filter': 'g'}) 

val.sort() 

self.assertEqual(val, [1, 2]) 

 

val = self.butler.queryMetadata('raw', ('visit',), dataId={'filter': 'r'}) 

self.assertEqual(val, [3]) 

 

val = self.butler.queryMetadata('raw', ('filter',), dataId={'visit': 1}) 

self.assertEqual(val, ['g']) 

 

val = self.butler.queryMetadata('raw', ('filter',), dataId={'visit': 2}) 

self.assertEqual(val, ['g']) 

 

val = self.butler.queryMetadata('raw', ('filter',), dataId={'visit': 3}) 

self.assertEqual(val, ['r']) 

 

val = self.butler.queryMetadata('raw', ('visit',), dataId={'filter': 'h'}) 

self.assertEqual(val, []) 

 

dataId = dp.DataId({'filter': 'g'}, tag='baArgs') 

val = self.butler.queryMetadata('raw', ('visit',), dataId={'filter': 'g'}) 

val.sort() 

self.assertEqual(val, [1, 2]) 

 

dataId = dp.DataId({'filter': 'g'}, tag='foo') 

val = self.butler.queryMetadata('raw', ('visit',), dataId=dataId) 

self.assertEqual(val, []) 

 

def testDatasetExists(self): 

# test the values that are expected to be true: 

self.assertEqual(self.butler.datasetExists('raw', {'filter': 'g', 'visit': 1}), True) 

self.assertEqual(self.butler.datasetExists('raw', {'filter': 'g', 'visit': 2}), True) 

self.assertEqual(self.butler.datasetExists('raw', {'filter': 'r', 'visit': 3}), True) 

 

# test a few values that are expected to be false: 

self.assertEqual(self.butler.datasetExists('raw', {'filter': 'f', 'visit': 1}), False) 

self.assertEqual(self.butler.datasetExists('raw', {'filter': 'r', 'visit': 1}), False) 

self.assertEqual(self.butler.datasetExists('raw', {'filter': 'g', 'visit': 3}), False) 

 

# test that we don't see datasets in the input repo as being in the output repo 

self.assertEqual(self.butler.datasetExists('raw', {'filter': 'g', 'visit': 1}, write=True), False) 

self.assertEqual(self.butler.datasetExists('raw', {'filter': 'g', 'visit': 2}, write=True), False) 

self.assertEqual(self.butler.datasetExists('raw', {'filter': 'r', 'visit': 3}, write=True), False) 

 

# write a dataset to the output repo and check that we see it with both write=True and write=False 

dataId = {'visit': '2', 'filter': 'g'} 

self.butler.put({"number": 3}, 'pickled', dataId) 

self.assertEqual(self.butler.datasetExists('pickled', dataId, write=True), True) 

self.assertEqual(self.butler.datasetExists('pickled', dataId, write=False), True) 

 

 

############################################################################################################## 

############################################################################################################## 

############################################################################################################## 

 

 

class TestWriting(unittest.TestCase): 

"""A test case for the repository classes. 

 

A test that 

1. creates repo with a peer repo, writes to those repos. 

2. reloads those output repos as a parents of new repos 

* does a read from from the repo (verifies parent search) 

3. writes to the new output repo and reloads it as a parent of a new repo 

* verifies masking 

4. reloads the repo from its persisted cfg 

* verifies reload from cfg 

""" 

def setUp(self): 

self.testDir = tempfile.mkdtemp(dir=ROOT, prefix="TestWriting-") 

 

def tearDown(self): 

300 ↛ exitline 300 didn't return from function 'tearDown', because the condition on line 300 was never false if os.path.exists(self.testDir): 

shutil.rmtree(self.testDir) 

# del self.butler 

 

def testCreateAggregateAndLoadingAChild(self): 

"""Tests putting a very basic pickled object in a variety of Repository configuration settings 

:return: 

""" 

 

repoAArgs = dp.RepositoryArgs(mode='w', 

root=os.path.join(self.testDir, 'repoA'), 

mapper=MapperForTestWriting) 

repoBArgs = dp.RepositoryArgs(mode='w', 

root=os.path.join(self.testDir, 'repoB'), 

mapper=MapperForTestWriting) 

butlerAB = dp.Butler(outputs=[repoAArgs, repoBArgs]) 

 

objA = tstObj('abc') 

butlerAB.put(objA, 'foo', {'val': 1}) 

objB = tstObj('def') 

butlerAB.put(objB, 'foo', {'val': 2}) 

 

# create butlers where the output repos are now input repos 

butlerC = dp.Butler(inputs=dp.RepositoryArgs(root=os.path.join(self.testDir, 'repoA'))) 

butlerD = dp.Butler(inputs=dp.RepositoryArgs(root=os.path.join(self.testDir, 'repoB'))) 

 

# # verify the objects exist by getting them 

self.assertEqual(objA, butlerC.get('foo', {'val': 1})) 

self.assertEqual(objA, butlerC.get('foo', {'val': 1})) 

self.assertEqual(objB, butlerD.get('foo', {'val': 2})) 

self.assertEqual(objB, butlerD.get('foo', {'val': 2})) 

 

 

class TestDiamondPattern(unittest.TestCase): 

"""A test case for when a butler is created with an output repository and two input repositories that have 

a common parent; verifies that the parent's registry is loaded as the parentRegistry of the output 

repository. 

""" 

@staticmethod 

def makeRegistry(location, name): 

conn = sqlite3.connect(location) 

conn.execute("CREATE TABLE {name} (real)".format(name=name)) 

conn.commit() 

conn.close() 

 

def setUp(self): 

self.testDir = tempfile.mkdtemp(dir=ROOT, prefix="TestDiamondPattern-") 

 

def tearDown(self): 

349 ↛ exitline 349 didn't return from function 'tearDown', because the condition on line 349 was never false if os.path.exists(self.testDir): 

shutil.rmtree(self.testDir) 

 

def test(self): 

repoARoot = os.path.join(self.testDir, 'repoA') 

butler = dp.Butler(outputs={'root': repoARoot, 'mapper': ParentRepoTestMapper}) 

self.makeRegistry(os.path.join(repoARoot, 'registry.sqlite3'), 'repoA') 

del butler 

 

repoBRoot = os.path.join(self.testDir, 'repoB') 

butlerB = dp.Butler(inputs=repoARoot, outputs=repoBRoot) 

del butlerB 

 

repoCRoot = os.path.join(self.testDir, 'repoC') 

butlerC = dp.Butler(inputs=repoARoot, outputs=repoCRoot) 

del butlerC 

 

repoDRoot = os.path.join(self.testDir, 'repoD') 

butlerD = dp.Butler(inputs=(repoBRoot, repoCRoot), outputs=repoDRoot) 

 

self.assertEqual(1, len(butlerD._repos.outputs())) 

self.assertEqual(os.path.dirname(butlerD._repos.outputs()[0].parentRegistry.root), repoARoot) 

 

 

class TestMasking(unittest.TestCase): 

"""A test case for the repository classes. 

 

A test that 

1. creates a repo, does a put 

2. creates a new butler, uses that repo as an input and creates a new read-write output repo 

3. gets from the input repo, modifies the dataset, and puts into the output repo 

4. does a get and verifies that the changed dataset is returned. 

""" 

def setUp(self): 

self.testDir = tempfile.mkdtemp(dir=ROOT, prefix="TestMasking-") 

 

def tearDown(self): 

386 ↛ exitline 386 didn't return from function 'tearDown', because the condition on line 386 was never false if os.path.exists(self.testDir): 

shutil.rmtree(self.testDir) 

 

def test(self): 

repoAArgs = dp.RepositoryArgs(mode='w', 

root=os.path.join(self.testDir, 'repoA'), 

mapper=MapperForTestWriting) 

butler = dp.Butler(outputs=repoAArgs) 

obj0 = tstObj('abc') 

butler.put(obj0, 'foo', {'bar': 1}) 

del butler 

del repoAArgs 

 

repoBArgs = dp.RepositoryArgs(mode='rw', 

root=os.path.join(self.testDir, 'repoB'), 

mapper=MapperForTestWriting) 

butler = dp.Butler(inputs=os.path.join(self.testDir, 'repoA'), outputs=repoBArgs) 

obj1 = butler.get('foo', {'bar': 1}) 

self.assertEqual(obj0, obj1) 

obj1.data = "def" 

butler.put(obj1, 'foo', {'bar': 1}) 

obj2 = butler.get('foo', {'bar': 1}) 

self.assertEqual(obj1, obj2) 

 

 

class TestMultipleOutputsPut(unittest.TestCase): 

"""A test case for the repository classes. 

 

A test that 

1. creates 3 peer repositories and readers for them 

2. does a single put 

3. verifies that all repos received the put 

""" 

def setUp(self): 

self.testDir = tempfile.mkdtemp(dir=ROOT, prefix="TestMultipleOutputsPut-") 

 

def tearDown(self): 

423 ↛ exitline 423 didn't return from function 'tearDown', because the condition on line 423 was never false if os.path.exists(self.testDir): 

shutil.rmtree(self.testDir) 

 

def test(self): 

repoAArgs = dp.RepositoryArgs(root=os.path.join(self.testDir, 'repoA'), 

mapper=MapperForTestWriting) 

repoBArgs = dp.RepositoryArgs(root=os.path.join(self.testDir, 'repoB'), 

mapper=MapperForTestWriting) 

 

butler = dp.Butler(outputs=(repoAArgs, repoBArgs)) 

obj0 = tstObj('abc') 

butler.put(obj0, 'foo', {'bar': 1}) 

 

for root in (os.path.join(self.testDir, 'repoA'), 

os.path.join(self.testDir, 'repoB')): 

butler = dp.Butler(inputs=root) 

self.assertEqual(butler.get('foo', {'bar': 1}), obj0) 

 

 

class TestMultipleInputs(unittest.TestCase): 

"""A test case for the repository classes. 

 

A test that 

- create output 2 repos, write same & different data to them & close them 

- create a new butler with those repos as inputs 

- read data that was written to both repos: 

- verify data that was written to only one of each repo 

- verify dissimilar datasets with same id that were written to the repos 

 

""" 

def setUp(self): 

self.testDir = tempfile.mkdtemp(dir=ROOT, prefix="TestMapperInference-") 

 

def tearDown(self): 

457 ↛ exitline 457 didn't return from function 'tearDown', because the condition on line 457 was never false if os.path.exists(self.testDir): 

shutil.rmtree(self.testDir) 

 

def test(self): 

objAbc = tstObj('abc') 

objDef = tstObj('def') 

objGhi = tstObj('ghi') 

objJkl = tstObj('jkl') 

 

repoAArgs = dp.RepositoryArgs(mode='w', 

root=os.path.join(self.testDir, 'repoA'), 

mapper=MapperForTestWriting) 

butler = dp.Butler(outputs=repoAArgs) 

butler.put(objAbc, 'foo', {'bar': 1}) 

butler.put(objDef, 'foo', {'bar': 2}) 

 

repoBArgs = dp.RepositoryArgs(mode='w', 

root=os.path.join(self.testDir, 'repoB'), 

mapper=MapperForTestWriting) 

butler = dp.Butler(outputs=repoBArgs) 

butler.put(objGhi, 'foo', {'bar': 1}) # note different object with overlapping dataId with repoA 

butler.put(objJkl, 'foo', {'bar': 3}) 

 

# note repo order: A, B 

butler = dp.Butler(inputs=(os.path.join(self.testDir, 'repoA'), 

os.path.join(self.testDir, 'repoB'))) 

self.assertEqual(butler.get('foo', {'bar': 1}), objAbc) 

self.assertEqual(butler.get('foo', {'bar': 2}), objDef) 

self.assertEqual(butler.get('foo', {'bar': 3}), objJkl) 

 

# note reversed repo order: B, A 

butler = dp.Butler(inputs=(os.path.join(self.testDir, 'repoB'), 

os.path.join(self.testDir, 'repoA'))) 

self.assertEqual(butler.get('foo', {'bar': 1}), objGhi) 

self.assertEqual(butler.get('foo', {'bar': 2}), objDef) 

self.assertEqual(butler.get('foo', {'bar': 3}), objJkl) 

 

 

class TestTagging(unittest.TestCase): 

"""A test case for the tagging of repository classes. 

""" 

 

def setUp(self): 

self.testDir = tempfile.mkdtemp(dir=ROOT, prefix="TestTagging-") 

 

def tearDown(self): 

503 ↛ exitline 503 didn't return from function 'tearDown', because the condition on line 503 was never false if os.path.exists(self.testDir): 

shutil.rmtree(self.testDir) 

 

def testOneLevelInputs(self): 

""" 

1. put an object with the same ID but slightly different value into 2 repositories. 

2. use those repositories as inputs to a butler, and tag them 

3. make sure that the correct object is gotten for each of 

a. one tag 

b. the other tag 

c. no tag 

4. repeat step 3 but reverse the order of input cfgs to a new butler. 

5. use the butler from step 4 and write an output. The inputs will get recorded as parents of the 

output repo. 

6. create a new butler with a new overlapping repo, and verify that objects can be gotten from the 

other's parent repos via tagging. 

""" 

objA = tstObj('a') 

objB = tstObj('b') 

 

# put objA in repo1: 

repo1Args = dp.RepositoryArgs(mode='rw', 

root=os.path.join(self.testDir, 'repo1'), 

mapper=MapperForTestWriting) 

butler = dp.Butler(outputs=repo1Args) 

butler.put(objA, 'foo', {'bar': 1}) 

del butler 

 

# put objB in repo2: 

repo2Args = dp.RepositoryArgs(mode='rw', 

root=os.path.join(self.testDir, 'repo2'), 

mapper=MapperForTestWriting) 

butler = dp.Butler(outputs=repo2Args) 

butler.put(objB, 'foo', {'bar': 1}) 

del butler 

del repo1Args 

del repo2Args 

 

# make the objects inputs of repos 

# and verify the correct object can ge fetched using the tag and not using the tag 

 

repo1Args = dp.RepositoryArgs(root=os.path.join(self.testDir, 'repo1'), tags='one') 

repo2Args = dp.RepositoryArgs(root=os.path.join(self.testDir, 'repo2'), tags='two') 

 

butler = dp.Butler(inputs=(repo1Args, repo2Args)) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 1}, tag='one')), objA) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 1}, tag='two')), objB) 

self.assertEqual(butler.get('foo', {'bar': 1}), objA) 

 

butler = dp.Butler(inputs=(repo2Args, repo1Args)) 

self.assertEqual(butler.get('foo', dp.DataId(bar=1, tag='one')), objA) 

self.assertEqual(butler.get('foo', dp.DataId(bar=1, tag='two')), objB) 

self.assertEqual(butler.get('foo', dp.DataId(bar=1)), objB) 

 

# create butler with repo1 and repo2 as parents, and an output repo3. 

repo3Args = dp.RepositoryArgs(mode='rw', 

root=os.path.join(self.testDir, 'repo3'), 

mapper=MapperForTestWriting) 

butler = dp.Butler(inputs=(repo1Args, repo2Args), outputs=repo3Args) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 1}, tag='one')), objA) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 1}, tag='two')), objB) 

self.assertEqual(butler.get('foo', {'bar': 1}), objA) 

# add an object to the output repo. note since the output repo mode is 'rw' that object is gettable 

# and it has first priority in search order. Other repos should be searchable by tagging. 

objC = tstObj('c') 

butler.put(objC, 'foo', {'bar': 1}) 

self.assertEqual(butler.get('foo', {'bar': 1}), objC) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 1}, tag='one')), objA) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 1}, tag='two')), objB) 

del butler 

 

repo3Cfg = dp.Storage().getRepositoryCfg(os.path.join(self.testDir, 'repo3')) 

self.assertEqual(repo3Cfg.parents, [os.path.join(self.testDir, 'repo1'), 

os.path.join(self.testDir, 'repo2')]) 

 

# expand the structure to look like this: 

# ┌────────────────────────┐ ┌────────────────────────┐ 

# │repo1 │ │repo2 │ 

# │ tag:"one" │ │ tag:"two" │ 

# │ tstObj('a') │ │ tstObj('b') │ 

# │ at ('foo', {'bar:1'})│ │ at ('foo', {'bar:1'})│ 

# └───────────┬────────────┘ └───────────┬────────────┘ 

# └─────────────┬────────────┘ 

# ┌────────────┴───────────┐ ┌────────────────────────┐ 

# │repo4 │ │repo5 │ 

# │ tag:"four" │ │ tag:"five" │ 

# │ tstObj('d') │ │ tstObj('e') │ 

# │ at ('foo', {'bar:2'})│ │ at ('foo', {'bar:1'})│ 

# └───────────┬────────────┘ └───────────┬────────────┘ 

# └─────────────┬────────────┘ 

# ┌──┴───┐ 

# │butler│ 

# └──────┘ 

 

repo4Args = dp.RepositoryArgs(mode='rw', 

root=os.path.join(self.testDir, 'repo4'), 

mapper=MapperForTestWriting) 

butler = dp.Butler(inputs=(os.path.join(self.testDir, 'repo1'), 

os.path.join(self.testDir, 'repo2')), outputs=repo4Args) 

objD = tstObj('d') 

butler.put(objD, 'foo', {'bar': 2}) 

del butler 

 

repo5Cfg = dp.RepositoryArgs(mode='rw', 

root=os.path.join(self.testDir, 'repo5'), 

mapper=MapperForTestWriting) 

butler = dp.Butler(outputs=repo5Cfg) 

objE = tstObj('e') 

butler.put(objE, 'foo', {'bar': 1}) 

del butler 

 

repo4Args = dp.RepositoryArgs(cfgRoot=os.path.join(self.testDir, 'repo4'), tags='four') 

repo5Args = dp.RepositoryArgs(cfgRoot=os.path.join(self.testDir, 'repo5'), tags='five') 

butler = dp.Butler(inputs=(repo4Args, repo5Args)) 

self.assertEqual(butler.get('foo', {'bar': 1}), objA) 

self.assertEqual(butler.get('foo', {'bar': 2}), objD) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 1}, tag='four')), objA) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 1}, tag='five')), objE) 

del butler 

 

butler = dp.Butler(inputs=(repo5Args, repo4Args)) 

self.assertEqual(butler.get('foo', {'bar': 1}), objE) 

self.assertEqual(butler.get('foo', {'bar': 2}), objD) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 1}, tag='four')), objA) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 1}, tag='five')), objE) 

del butler 

 

 

class TestMapperInference(unittest.TestCase): 

"""A test for inferring mapper in the cfg from parent cfgs""" 

 

def setUp(self): 

self.testDir = tempfile.mkdtemp(dir=ROOT, prefix="TestMapperInference-") 

 

def tearDown(self): 

638 ↛ exitline 638 didn't return from function 'tearDown', because the condition on line 638 was never false if os.path.exists(self.testDir): 

shutil.rmtree(self.testDir) 

 

def testSingleParent(self): 

""" 

creates a repo that: 

a. does not have a mapper specified in the cfg 

b. has a parent that does have a mapper specified in the cfg 

verifies that the child repo inherits the parent's mapper via inference. 

""" 

repoACfg = dp.RepositoryCfg(root=os.path.join(self.testDir, 'repoA'), 

mapper=MapperForTestWriting, 

mapperArgs=None, 

parents=None, 

policy=None) 

dp.Storage.putRepositoryCfg(repoACfg, os.path.join(self.testDir, 'repoA')) 

 

repoBArgs = dp.RepositoryArgs(mode='rw', 

root=os.path.join(self.testDir, 'repoB')) 

butler = dp.Butler(inputs=os.path.join(self.testDir, 'repoA'), outputs=repoBArgs) 

self.assertIsInstance(butler._repos.outputs()[0].repo._mapper, MapperForTestWriting) 

 

def testMultipleParentsSameMapper(self): 

""" 

creates a repo that: 

a. does not have a mapper specified in the cfg 

b. has 2 parents that do have the same mapper specified in the cfg 

verifies that the child repo inherits the parent's mapper via inference. 

 

""" 

repoACfg = dp.RepositoryCfg(root=os.path.join(self.testDir, 'repoA'), 

mapper=MapperForTestWriting, 

mapperArgs=None, 

parents=None, 

policy=None,) 

repoBCfg = dp.RepositoryCfg(root=os.path.join(self.testDir, 'repoB'), 

mapper=MapperForTestWriting, 

mapperArgs=None, 

parents=None, 

policy=None) 

dp.Storage.putRepositoryCfg(repoACfg, os.path.join(self.testDir, 'repoA')) 

dp.Storage.putRepositoryCfg(repoBCfg, os.path.join(self.testDir, 'repoB')) 

 

repoCArgs = dp.RepositoryArgs(mode='w', 

root=os.path.join(self.testDir, 'repoC')) 

 

butler = dp.Butler(inputs=(os.path.join(self.testDir, 'repoA'), 

os.path.join(self.testDir, 'repoB')), 

outputs=repoCArgs) 

self.assertIsInstance(butler._repos.outputs()[0].repo._mapper, MapperForTestWriting) 

 

def testMultipleParentsDifferentMappers(self): 

""" 

creates a repo that: 

a. does not have a mapper specified in the cfg 

b. has 2 parent repos that have different mappers 

verifies that the constructor raises a RuntimeError because the mapper can not be inferred. 

""" 

repoACfg = dp.RepositoryCfg(root=os.path.join(self.testDir, 'repoA'), 

mapper=MapperForTestWriting, 

mapperArgs=None, 

parents=None, 

policy=None) 

repoBCfg = dp.RepositoryCfg(root=os.path.join(self.testDir, 'repoB'), 

mapper='lsst.daf.persistence.test.EmptyTestMapper', 

mapperArgs=None, 

parents=None, 

policy=None) 

dp.Storage.putRepositoryCfg(repoACfg, os.path.join(self.testDir, 'repoA')) 

dp.Storage.putRepositoryCfg(repoBCfg, os.path.join(self.testDir, 'repoB')) 

 

repoCArgs = dp.RepositoryArgs(mode='w', 

root=os.path.join(self.testDir, 'repoC')) 

self.assertRaises(RuntimeError, 

dp.Butler, 

inputs=(os.path.join(self.testDir, 'repoA'), 

os.path.join(self.testDir, 'repoB')), 

outputs=repoCArgs) 

 

 

class TestMovedRepositoryCfg(unittest.TestCase): 

"""Test if a repository cfg is in-place (resides at root of the repository) and the cfg is moved, the 

deserialized cfg root should be the new location if the repository is moved. 

""" 

 

def setUp(self): 

self.testDir = tempfile.mkdtemp(dir=ROOT, prefix="TestMovedRepositoryCfg-") 

 

def tearDown(self): 

727 ↛ exitline 727 didn't return from function 'tearDown', because the condition on line 727 was never false if os.path.exists(self.testDir): 

shutil.rmtree(self.testDir) 

 

def test(self): 

butler = dp.Butler(outputs=dp.RepositoryArgs(root=os.path.join(self.testDir, 'a'), 

mapper=MapperForTestWriting)) 

del butler 

os.makedirs(os.path.join(self.testDir, 'b')) 

os.rename(os.path.join(self.testDir, 'a/repositoryCfg.yaml'), 

os.path.join(self.testDir, 'b/repositoryCfg.yaml')) 

butler = dp.Butler(inputs=os.path.join(self.testDir, 'b')) 

self.assertEqual(list(butler._repos.inputs())[0].cfg, 

dp.RepositoryCfg(root=os.path.join(self.testDir, 'b'), 

mapper=MapperForTestWriting, 

mapperArgs=None, 

parents=None, 

policy=None)) 

 

 

class TestOutputAlreadyHasParent(unittest.TestCase): 

 

def setUp(self): 

self.testDir = tempfile.mkdtemp(dir=ROOT, prefix="TestOutputAlreadyHasParent-") 

 

def tearDown(self): 

752 ↛ exitline 752 didn't return from function 'tearDown', because the condition on line 752 was never false if os.path.exists(self.testDir): 

shutil.rmtree(self.testDir) 

 

def test(self): 

# create a repo where repo 'a' is a parent of repo 'b' 

butler = dp.Butler(outputs=dp.RepositoryArgs(root=os.path.join(self.testDir, 'a'), 

mapper=MapperForTestWriting)) 

del butler 

butler = dp.Butler(inputs=os.path.join(self.testDir, 'a'), 

outputs=os.path.join(self.testDir, 'b')) 

self.assertEqual(len(butler._repos.inputs()), 1) 

self.assertEqual(butler._repos.inputs()[0].cfg.root, 

os.path.join(self.testDir, 'a')) 

self.assertEqual(len(butler._repos.outputs()), 1) 

self.assertEqual(butler._repos.outputs()[0].cfg.root, 

os.path.join(self.testDir, 'b')) 

del butler 

 

# load that repo a few times, include 'a' as an input. 

for i in range(4): 

butler = dp.Butler(inputs=os.path.join(self.testDir, 'a'), 

outputs=dp.RepositoryArgs(root=os.path.join(self.testDir, 'b'), 

mode='rw')) 

self.assertEqual(len(butler._repos.inputs()), 2) 

self.assertEqual(butler._repos.inputs()[0].cfg.root, 

os.path.join(self.testDir, 'b')) 

self.assertEqual(butler._repos.inputs()[1].cfg.root, 

os.path.join(self.testDir, 'a')) 

self.assertEqual(len(butler._repos.outputs()), 1) 

self.assertEqual(butler._repos.outputs()[0].cfg.root, 

os.path.join(self.testDir, 'b')) 

cfg = dp.Storage().getRepositoryCfg(os.path.join(self.testDir, 'b')) 

self.assertEqual(cfg, dp.RepositoryCfg(root=os.path.join(self.testDir, 'b'), 

mapper=MapperForTestWriting, 

mapperArgs=None, 

parents=[os.path.join(self.testDir, 'a')], 

policy=None)) 

 

# load the repo a few times and don't explicitly list 'a' as an input 

for i in range(4): 

butler = dp.Butler(outputs=dp.RepositoryArgs(root=os.path.join(self.testDir, 'b'), 

mode='rw')) 

self.assertEqual(len(butler._repos.inputs()), 2) 

self.assertEqual(butler._repos.inputs()[0].cfg.root, 

os.path.join(self.testDir, 'b')) 

self.assertEqual(butler._repos.inputs()[1].cfg.root, 

os.path.join(self.testDir, 'a')) 

self.assertEqual(len(butler._repos.outputs()), 1) 

self.assertEqual(butler._repos.outputs()[0].cfg.root, 

os.path.join(self.testDir, 'b')) 

cfg = dp.Storage().getRepositoryCfg(os.path.join(self.testDir, 'b')) 

self.assertEqual(cfg, dp.RepositoryCfg(root=os.path.join(self.testDir, 'b'), 

mapper=MapperForTestWriting, 

mapperArgs=None, 

parents=[os.path.join(self.testDir, 'a')], 

policy=None)) 

 

# load 'b' as 'write only' and don't list 'a' as an input. This should raise, because inputs must 

# match readable outputs parents. 

with self.assertRaises(RuntimeError): 

butler = dp.Butler(outputs=os.path.join(self.testDir, 'b')) 

 

# load 'b' as 'write only' and explicitly list 'a' as an input. 

butler = dp.Butler(inputs=os.path.join(self.testDir, 'a'), 

outputs=os.path.join(self.testDir, 'b')) 

self.assertEqual(len(butler._repos.inputs()), 1) 

self.assertEqual(len(butler._repos.outputs()), 1) 

self.assertEqual(butler._repos.inputs()[0].cfg.root, 

os.path.join(self.testDir, 'a')) 

self.assertEqual(butler._repos.outputs()[0].cfg.root, 

os.path.join(self.testDir, 'b')) 

cfg = dp.Storage().getRepositoryCfg(os.path.join(self.testDir, 'b')) 

 

 

class ParentRepoTestMapper(dp.Mapper): 

def __init__(self, parentRegistry, repositoryCfg, **kwargs): 

self.parentRegistry = parentRegistry 

root = repositoryCfg.root 

if os.path.exists(os.path.join(root, 'registry.sqlite3')): 

self.registry = dp.Registry.create(os.path.join(root, 'registry.sqlite3')) 

else: 

self.registry = None 

 

def getRegistry(self): 

return self.registry 

 

 

class TestParentRepository(unittest.TestCase): 

"""A test to verify that when a parent repository is used the correct one is found.""" 

 

def setUp(self): 

self.testDir = tempfile.mkdtemp(dir=ROOT, prefix="TestParentRepository-") 

 

def tearDown(self): 

846 ↛ exitline 846 didn't return from function 'tearDown', because the condition on line 846 was never false if os.path.exists(self.testDir): 

shutil.rmtree(self.testDir, True) 

 

def test(self): 

 

"""Tests 1. That an sqlite registry in a parent repo is used as the 

registry in a child repo that does not have its own sqlite registry. 

2. That when a repo has a parent and grandparent and only the 

grandparent has an sqlite registry that the grandparent's registry is 

used. 

3. That when the parent and grandparent both have sqlite registries 

that the parent's sqlite registry is used.""" 

# setup; create the parent repo 

def makeRegistry(location, name): 

conn = sqlite3.connect(location) 

conn.execute("CREATE TABLE {name} (real)".format(name=name)) 

conn.commit() 

conn.close() 

 

repoADir = os.path.join(self.testDir, 'repoA') 

repoBDir = os.path.join(self.testDir, 'repoB') 

repoCDir = os.path.join(self.testDir, 'repoC') 

butler = dp.Butler(outputs={'root': repoADir, 'mapper': ParentRepoTestMapper}) 

del butler 

makeRegistry(os.path.join(repoADir, 'registry.sqlite3'), 'repoA') 

# test 1: 

butler = dp.Butler(inputs=repoADir, outputs=repoBDir) 

registry = butler._repos.outputs()[0].repo._mapper.parentRegistry 

self.assertIsInstance(registry, dp.SqliteRegistry) 

tables = registry.conn.execute("SELECT name FROM sqlite_master WHERE type='table'").fetchall() 

self.assertEqual(tables, [('repoA', )]) 

del butler 

# test 2: 

butler = dp.Butler(inputs=repoBDir, outputs=repoCDir) 

registry = butler._repos.outputs()[0].repo._mapper.parentRegistry 

self.assertIsInstance(registry, dp.SqliteRegistry) 

tables = registry.conn.execute("SELECT name FROM sqlite_master WHERE type='table'").fetchall() 

self.assertEqual(tables, [('repoA', )]) 

del butler 

# test 3: 

makeRegistry(os.path.join(repoBDir, 'registry.sqlite3'), 'repoB') 

butler = dp.Butler(inputs=repoBDir, outputs=repoCDir) 

registry = butler._repos.outputs()[0].repo._mapper.parentRegistry 

self.assertIsInstance(registry, dp.SqliteRegistry) 

tables = registry.conn.execute("SELECT name FROM sqlite_master WHERE type='table'").fetchall() 

self.assertEqual(tables, [('repoB', )]) 

 

 

class TestOldButlerParent(unittest.TestCase): 

"""A test to verify that when a parent is an old butler repo that it still gets loaded correctly, 

including mapperArgs.""" 

 

def setUp(self): 

"""Create temp test dir and create an OldButler repo at 'repoA'""" 

self.testDir = tempfile.mkdtemp(dir=ROOT, prefix="TestOldButlerParent-") 

self.repoADir = os.path.join(self.testDir, 'repoA') 

os.makedirs(self.repoADir) 

with open(os.path.join(self.repoADir, '_mapper'), 'w') as mapperFile: 

mapperFile.write('lsst.daf.persistence.test.EmptyTestMapper') 

 

def tearDown(self): 

907 ↛ exitline 907 didn't return from function 'tearDown', because the condition on line 907 was never false if os.path.exists(self.testDir): 

shutil.rmtree(self.testDir, True) 

 

def testOldButlerCfgRecordedInOutputs(self): 

"""Verify that when an Old Butler is used as an input with parameters such as mapperArgs, that those 

parameters get recalled correctly (in the RepositoryCfg nested in the parents list of the output repo) 

""" 

repoBDir = os.path.join(self.testDir, 'repoB') 

# create a 'repoB' with the Old Butler 'repoA' as a parent, specify mapperArgs for 'repoA', and 

# verify that the mapperArgs got passed to the repoA mapper. 

butler = dp.Butler(inputs={'root': self.repoADir, 

'mapperArgs': {'foo': 1}}, 

outputs={'root': repoBDir, 

'mapperArgs': {'foo': 1}, 

'mode': 'rw'}) 

self.assertEqual(butler._repos.inputs()[0].repo._mapper.kwargs, {'foo': 1}) 

# init a Butler again, with exactly the same configuration as before. 

butler = dp.Butler(inputs={'root': self.repoADir, 

'mapperArgs': {'foo': 1}}, 

outputs={'root': repoBDir, 

'mapperArgs': {'foo': 1}, 

'mode': 'rw'}) 

self.assertEqual(butler._repos.inputs()[0].repo._mapper.kwargs, {'foo': 1}) 

# try initializing the butler again with the 'repoB' output, but do not specify the mapperArgs in the 

# repoA args. this should raise a runtime error because the input speficied this way does not match 

# the cfg recorded in 'repoB'. 

with self.assertRaises(RuntimeError): 

butler = dp.Butler(inputs=self.repoADir, 

outputs=repoBDir) 

# initializing the butler, but only specifiying the root of 'repoB' (the rest of the cfg will be 

# loaded from its `repositoryCfg` file), but fully specify the input as required. 

butler = dp.Butler(inputs={'root': self.repoADir, 

'mapperArgs': {'foo': 1}}, 

outputs=repoBDir) 

self.assertEqual(butler._repos.inputs()[0].repo._mapper.kwargs, {'foo': 1}) 

# use 'repoB' as an input, and verify that 'repoA' is loaded, including the mapperArgs. 

butler = dp.Butler(inputs=repoBDir) 

self.assertEqual(butler._repos.inputs()[1].repo._mapper.kwargs, {'foo': 1}) 

 

 

class TestOldButlerParentTagging(unittest.TestCase): 

"""A test to verify that when a parent is an old butler repo that its tagging gets loaded correctly""" 

 

def setUp(self): 

"""Remove testDir from any previous runs and create an OldButler repo at repoA and an Old Butler repoB 

with a _parent symlink to repoA. 

""" 

self.testDir = tempfile.mkdtemp(dir=ROOT, prefix="TestOldButlerParentTagging-") 

self.repoADir = os.path.join(self.testDir, 'repoA') 

os.makedirs(self.repoADir) 

with open(os.path.join(self.repoADir, '_mapper'), 'w') as mapperFile: 

mapperFile.write('lsst.daf.persistence.test.MapperForTestWriting') 

self.repoBDir = os.path.join(self.testDir, 'repoB') 

os.makedirs(self.repoBDir) 

os.symlink(self.repoADir, os.path.join(self.repoBDir, '_parent')) 

 

def tearDown(self): 

964 ↛ exitline 964 didn't return from function 'tearDown', because the condition on line 964 was never false if os.path.exists(self.testDir): 

shutil.rmtree(self.testDir, True) 

 

def test(self): 

"""Verify that the tags on a repository with an Old Butler repository parent are applied to that 

parent 

""" 

# put objA in repoA: 

objA = tstObj('a') 

butler = dp.Butler(outputs=self.repoADir) 

butler.put(objA, 'foo', {'bar': 1}) 

del butler 

 

# create repoB and put objB in it: 

objB = tstObj('b') 

butler = dp.Butler(inputs=self.repoADir, outputs=self.repoBDir) 

butler.put(objB, 'foo', {'bar': 2}) 

del butler 

 

# verify that repoB can be used as an input, and objA and objB can be gotten from it: 

butler = dp.Butler(inputs=self.repoBDir) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 1})), objA) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 2})), objB) 

del butler 

 

# apply a tag and verify that repoB can still be used as an input, and both objA (in repoA) and objB 

# can be gotten from it: 

butler = dp.Butler(inputs={'root': self.repoBDir, 'tags': 'baz'}) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 1}, tag='baz')), objA) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 2}, tag='baz')), objB) 

del butler 

 

# create a New Butler repoC and put objC in it: 

objC = tstObj('c') 

repoCDir = os.path.join(self.testDir, 'repoC') 

butler = dp.Butler(inputs=self.repoBDir, outputs=repoCDir) 

butler.put(objC, 'foo', {'bar': 3}) 

del butler 

 

# verify that repoC can be used as an input, and objA, objB, and objC can be gotten from it: 

butler = dp.Butler(inputs=repoCDir) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 1})), objA) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 2})), objB) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 3})), objC) 

del butler 

 

# apply a tag and verify that repoC can be used as an input, and objA, objB, and objC can be gotten 

# from it: 

butler = dp.Butler(inputs={'root': repoCDir, 'tags': 'baz'}) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 1}, tag='baz')), objA) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 2}, tag='baz')), objB) 

self.assertEqual(butler.get('foo', dp.DataId({'bar': 3}, tag='baz')), objC) 

del butler 

 

 

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

pass 

 

 

1023 ↛ 1024line 1023 didn't jump to line 1024, because the condition on line 1023 was never trueif __name__ == '__main__': 

lsst.utils.tests.init() 

unittest.main()