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# This file is part of daf_butler. 

# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

# (http://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 <http://www.gnu.org/licenses/>. 

 

import unittest 

import lsst.utils.tests 

 

from lsst.daf.butler import Formatter, FormatterFactory, StorageClass, DatasetType 

 

"""Tests related to the formatter infrastructure. 

""" 

 

 

class FormatterFactoryTestCase(lsst.utils.tests.TestCase): 

"""Tests of the formatter factory infrastructure. 

""" 

 

def setUp(self): 

self.factory = FormatterFactory() 

 

def testRegistry(self): 

"""Check that formatters can be stored in the registry. 

""" 

formatterTypeName = "lsst.daf.butler.formatters.fitsCatalogFormatter.FitsCatalogFormatter" 

storageClassName = "Image" 

self.factory.registerFormatter(storageClassName, formatterTypeName) 

f = self.factory.getFormatter(storageClassName) 

self.assertIsInstance(f, Formatter) 

# Defer the import so that we ensure that the infrastructure loaded 

# it on demand previously 

from lsst.daf.butler.formatters.fitsCatalogFormatter import FitsCatalogFormatter 

self.assertEqual(type(f), FitsCatalogFormatter) 

 

with self.assertRaises(KeyError): 

f = self.factory.getFormatter("Missing") 

 

def testRegistryWithStorageClass(self): 

"""Test that the registry can be given a StorageClass object. 

""" 

formatterTypeName = "lsst.daf.butler.formatters.yamlFormatter.YamlFormatter" 

storageClassName = "TestClass" 

sc = StorageClass(storageClassName, dict, None) 

 

datasetType = DatasetType("calexp", {}, sc) 

 

# Store using an instance 

self.factory.registerFormatter(sc, formatterTypeName) 

 

# Retrieve using the class 

f = self.factory.getFormatter(sc) 

self.assertIsInstance(f, Formatter) 

 

# Retrieve using the DatasetType 

f2 = self.factory.getFormatter(datasetType) 

self.assertIsInstance(f, Formatter) 

self.assertEqual(f.name, f2.name) 

 

# This might defer the import, pytest may have already loaded it 

from lsst.daf.butler.formatters.yamlFormatter import YamlFormatter 

self.assertEqual(type(f), YamlFormatter) 

 

with self.assertRaises(KeyError): 

# Attempt to overwrite using a different value 

self.factory.registerFormatter(storageClassName, 

"lsst.daf.butler.formatters.jsonFormatter.JsonFormatter") 

 

 

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

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

93 ↛ 94line 93 didn't jump to line 94, because the condition on line 93 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()