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#!/usr/bin/env python 

 

# 

# 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/>. 

# 

 

import os 

import unittest 

import lsst.utils.tests 

import lsst.pex.config as pexConf 

 

 

class Config1(pexConf.Config): 

f = pexConf.Field("f", dtype=float, default=5, check=lambda x: x > 0) 

 

 

class Target1: 

ConfigClass = Config1 

 

def __init__(self, config): 

self.f = config.f 

 

 

def Target2(config): 

return config.f 

 

 

class Config2(pexConf.Config): 

c1 = pexConf.ConfigurableField("c1", target=Target1) 

c2 = pexConf.ConfigurableField("c2", target=Target2, ConfigClass=Config1, default=Config1(f=3)) 

 

 

class ConfigurableFieldTest(unittest.TestCase): 

def testConstructor(self): 

try: 

class BadTarget(pexConf.Config): 

d = pexConf.ConfigurableField("...", target=None) 

except Exception: 

pass 

else: 

raise SyntaxError("Uncallable targets should not be allowed") 

 

try: 

class NoConfigClass(pexConf.Config): 

d = pexConf.ConfigurableField("...", target=Target2) 

except Exception: 

pass 

else: 

raise SyntaxError("Missing ConfigClass should not be allowed") 

 

try: 

class BadConfigClass(pexConf.Config): 

d = pexConf.DictField("...", target=Target2, ConfigClass=Target2) 

except Exception: 

pass 

else: 

raise SyntaxError("ConfigClass that are not subclasses of Config should not be allowed") 

 

def testBasics(self): 

c = Config2() 

self.assertEqual(c.c1.f, 5) 

self.assertEqual(c.c2.f, 3) 

 

self.assertEqual(type(c.c1.apply()), Target1) 

self.assertEqual(c.c1.apply().f, 5) 

self.assertEqual(c.c2.apply(), 3) 

 

c.c2.retarget(Target1) 

self.assertEqual(c.c2.f, 3) 

self.assertEqual(type(c.c2.apply()), Target1) 

self.assertEqual(c.c2.apply().f, 3) 

 

c.c1.f = 2 

self.assertEqual(c.c1.f, 2) 

self.assertRaises(pexConf.FieldValidationError, setattr, c.c1, "f", 0) 

 

c.c1 = Config1(f=10) 

self.assertEqual(c.c1.f, 10) 

 

c.c1 = Config1 

self.assertEqual(c.c1.f, 5) 

 

f = Config2(**dict(c.items())) 

self.assertEqual(f.c1.f, c.c1.f) 

self.assertEqual(f.c1.target, c.c1.target) 

self.assertEqual(f.c2.target, c.c2.target) 

self.assertEqual(f.c2.f, c.c2.f) 

 

c.c2.f = 1 

c.c1.f = 100 

f.update(**dict(c.items())) 

self.assertEqual(f.c1.f, c.c1.f) 

self.assertEqual(f.c1.target, c.c1.target) 

self.assertEqual(f.c2.target, c.c2.target) 

self.assertEqual(f.c2.f, c.c2.f) 

 

def testValidate(self): 

c = Config2() 

self.assertRaises(pexConf.FieldValidationError, setattr, c.c1, "f", 0) 

 

c.validate() 

 

def testPersistence(self): 

c = Config2() 

c.c2.retarget(Target1) 

c.c2.f = 10 

c.save("test.py") 

 

r = Config2() 

r.load("test.py") 

os.remove("test.py") 

 

self.assertEqual(c.c2.f, r.c2.f) 

self.assertEqual(c.c2.target, r.c2.target) 

 

 

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

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

143 ↛ 144line 143 didn't jump to line 144, because the condition on line 143 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()