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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 

import lsst.utils.tests 

 

from lsst.daf.butler import DataUnit, DataUnitConfig, DataUnitRegistry 

 

 

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

"""Tests for `DataUnitRegistry`. 

""" 

def setUp(self): 

self.config = DataUnitConfig() 

 

def testConstructor(self): 

"""Independent check for `Schema` constructor. 

""" 

dataUnitRegistry = DataUnitRegistry.fromConfig(self.config) 

self.assertIsInstance(dataUnitRegistry, DataUnitRegistry) 

for dataUnitName, dataUnit in dataUnitRegistry.items(): 

self.assertIsInstance(dataUnit, DataUnit) 

for d in dataUnit.dependencies: 

self.assertIsInstance(d, DataUnit) 

 

# Tests below depend on the schema.yaml definitions as well 

 

# check all spatial data units names, Detector is there because 

# pair (Visit, Detector) is a spatial entity 

self.assertCountEqual(dataUnitRegistry._spatialDataUnits, 

["Tract", "Patch", "Visit", "Detector", "SkyPix"]) 

self.assertCountEqual(dataUnitRegistry._dataUnitRegions.keys(), 

[{'Visit'}, {'SkyPix'}, {'Tract'}, 

{'Patch', 'Tract'}, {'Detector', 'Visit'}]) 

self.assertEqual(len(dataUnitRegistry.joins), 11) 

joins = ((['Exposure'], ['Exposure']), 

(['Exposure'], ['ExposureRange']), 

(['Patch'], ['SkyPix']), 

(['Detector', 'Visit'], ['Patch']), 

(['Detector', 'Visit'], ['SkyPix']), 

(['Detector', 'Visit'], ['Tract']), 

(['Tract'], ['SkyPix']), 

(['Visit'], ['Patch']), 

(['Visit'], ['Detector']), 

(['Visit'], ['SkyPix'])) 

for lhs, rhs in joins: 

self.assertIsNotNone(dataUnitRegistry.getJoin(lhs, rhs)) 

self.assertIsNotNone(dataUnitRegistry.getJoin(rhs, lhs)) 

 

def testGetRegionHolder(self): 

"""Test that getRegionHolder works for all DataUnits or combinations 

of DataUnits that have regions, regardless of whether those are 

expanded to include required dependencies. 

""" 

dataUnitRegistry = DataUnitRegistry.fromConfig(self.config) 

self.assertEqual(dataUnitRegistry.getRegionHolder("Visit"), 

dataUnitRegistry.getRegionHolder("Instrument", "Visit")) 

self.assertEqual(dataUnitRegistry.getRegionHolder("Visit", "Detector"), 

dataUnitRegistry.getRegionHolder("Instrument", "Visit", "Detector")) 

self.assertEqual(dataUnitRegistry.getRegionHolder("Patch"), 

dataUnitRegistry.getRegionHolder("Tract", "Patch")) 

self.assertEqual(dataUnitRegistry.getRegionHolder("Patch"), 

dataUnitRegistry.getRegionHolder("SkyMap", "Tract", "Patch")) 

with self.assertRaises(KeyError): 

dataUnitRegistry.getRegionHolder("Detector") 

with self.assertRaises(KeyError): 

dataUnitRegistry.getRegionHolder("Instrument", "Detector") 

 

 

90 ↛ 91line 90 didn't jump to line 91, because the condition on line 90 was never trueif __name__ == "__main__": 

unittest.main()