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# This file is part of meas_base. 

# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

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

 

import unittest 

 

import lsst.afw.geom 

import lsst.meas.base.tests 

import lsst.pex.exceptions 

import lsst.utils.tests 

 

 

class InputUtilitiesTestCase(lsst.meas.base.tests.AlgorithmTestCase, lsst.utils.tests.TestCase): 

 

def testFlagAliases(self): 

"""Test flag aliases are created correctly. 

 

In particular, we should get flag aliases to the slot centroid and 

shape algorithms when we initialize `GaussianFlux` (which uses both 

`SafeCentroidExtractor` and `SafeShapeExtractor`). 

""" 

config = self.makeSingleFrameMeasurementConfig("base_GaussianFlux", 

["base_SdssCentroid", "base_SdssShape"]) 

config.slots.centroid = "base_SdssCentroid" 

config.slots.shape = "base_SdssShape" 

task = self.makeSingleFrameMeasurementTask(config=config) 

# Test that the aliases resolve to the correct field. 

self.assertEqual(task.schema.find("base_GaussianFlux_flag_badCentroid").key, 

task.schema.find("base_SdssCentroid_flag").key) 

self.assertEqual(task.schema.find("base_GaussianFlux_flag_badShape").key, 

task.schema.find("base_SdssShape_flag").key) 

# Test that the aliases are direct links (i.e. they do not require 

# recursive expansion). 

self.assertEqual(task.schema.getAliasMap().get("base_GaussianFlux_flag_badCentroid"), 

"base_SdssCentroid_flag") 

self.assertEqual(task.schema.getAliasMap().get("base_GaussianFlux_flag_badShape"), 

"base_SdssShape_flag") 

 

def testCentroidFlagAliases(self): 

"""Test aliases are correct when using multiple centroid algorithms. 

""" 

config = self.makeSingleFrameMeasurementConfig("base_NaiveCentroid", ["base_SdssCentroid"]) 

config.slots.centroid = "base_SdssCentroid" 

config.slots.shape = None 

config.slots.psfShape = None 

task = self.makeSingleFrameMeasurementTask(config=config) 

# Test that the alias resolves to the correct field. 

self.assertEqual(task.schema.find("base_NaiveCentroid_flag_badInitialCentroid").key, 

task.schema.find("base_SdssCentroid_flag").key) 

# Test that the alias is a direct links (i.e. it do not require recursive expansion). 

self.assertEqual(task.schema.getAliasMap().get("base_NaiveCentroid_flag_badInitialCentroid"), 

"base_SdssCentroid_flag") 

# Test that there is no circular alias for the slot centroider itself. 

self.assertRaises(LookupError, task.schema.find, "base_SdssCentroid_flag_badInitialCentroid") 

 

def testUnmetCentroidDependency(self): 

"""Test that an unmet centroid dependency raises. 

 

We should throw a `LogicError` when initializing an algorithm that 

requires a centroid without the centroid slot set. 

""" 

config = self.makeSingleFrameMeasurementConfig("base_GaussianFlux", 

["base_SdssCentroid", "base_SdssShape"]) 

config.slots.centroid = None 

config.slots.shape = "base_SdssShape" 

config.slots.psfShape = "base_SdssShape_psf" 

with self.assertRaises(lsst.pex.exceptions.LogicError): 

self.makeSingleFrameMeasurementTask(config=config) 

 

def testUnmetShapeDependency(self): 

"""Test that an unmet shape dependency raises. 

 

Test that we throw a `LogicError` when initializing an algorithm that 

requires a shape without the shape slot set. 

""" 

config = self.makeSingleFrameMeasurementConfig("base_GaussianFlux", 

["base_SdssCentroid", "base_SdssShape"]) 

config.slots.centroid = "base_SdssCentroid" 

config.slots.shape = None 

config.slots.psfShape = None 

with self.assertRaises(lsst.pex.exceptions.LogicError): 

self.makeSingleFrameMeasurementTask(config=config) 

 

 

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

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

110 ↛ 111line 110 didn't jump to line 111, because the condition on line 110 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()