Coverage for tests/test_storageClass.py : 11%

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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/>.
"""Tests related to the StorageClass infrastructure. """
"""A dummy class to test the registry of Python types."""
"""Tests of the storage class infrastructure. """
"""Test that we can dynamically create storage class subclasses.
This is critical for testing the factory functions.""" className = "TestImage" sc = StorageClass(className, pytype=dict) self.assertIsInstance(sc, StorageClass) self.assertEqual(sc.name, className) self.assertEqual(str(sc), className) self.assertFalse(sc.components) self.assertTrue(sc.validateInstance({})) self.assertFalse(sc.validateInstance(""))
r = repr(sc) self.assertIn("StorageClass", r) self.assertIn(className, r) self.assertNotIn("parameters", r) self.assertIn("pytype='dict'", r)
# Ensure we do not have an assembler with self.assertRaises(TypeError): sc.assembler()
# Allow no definition of python type scn = StorageClass(className) self.assertIs(scn.pytype, object)
# Include some components scc = StorageClass(className, pytype=PythonType, components={"comp1": sc}) self.assertIn("comp1", scc.components) r = repr(scc) self.assertIn("comp1", r) self.assertIn("lsst.daf.butler.core.assembler.CompositeAssembler", r)
# Ensure that we have an assembler self.assertIsInstance(scc.assembler(), CompositeAssembler)
# Check we can create a storageClass using the name of an importable # type. sc2 = StorageClass("TestImage2", "lsst.daf.butler.core.storageClass.StorageClassFactory") self.assertIsInstance(sc2.pytype(), StorageClassFactory) self.assertIn("butler.core", repr(sc2))
"""Test that we can set parameters and validate them""" pt = ("a", "b") ps = {"a", "b"} pl = ["a", "b"] for p in (pt, ps, pl): sc1 = StorageClass("ParamClass", pytype=dict, parameters=p) self.assertEqual(sc1.parameters, ps) sc1.validateParameters(p)
sc1.validateParameters() sc1.validateParameters({"a": None, "b": None}) sc1.validateParameters(["a", ]) with self.assertRaises(KeyError): sc1.validateParameters({"a", "c"})
"""Test that StorageClass equality works""" className = "TestImage" sc1 = StorageClass(className, pytype=dict) sc2 = StorageClass(className, pytype=dict) self.assertEqual(sc1, sc2) sc3 = StorageClass(className + "2", pytype=str) self.assertNotEqual(sc1, sc3)
# Same StorageClass name but different python type sc4 = StorageClass(className, pytype=str) self.assertNotEqual(sc1, sc4)
# Parameters scp = StorageClass("Params", pytype=PythonType, parameters=["a", "b", "c"]) scp1 = StorageClass("Params", pytype=PythonType, parameters=["a", "b", "c"]) scp2 = StorageClass("Params", pytype=PythonType, parameters=["a", "b", "d", "e"]) self.assertEqual(scp, scp1) self.assertNotEqual(scp, scp2)
# Now with components sc5 = StorageClass("Composite", pytype=PythonType, components={"comp1": sc1, "comp2": sc3}) sc6 = StorageClass("Composite", pytype=PythonType, components={"comp1": sc1, "comp2": sc3}) self.assertEqual(sc5, sc6) self.assertNotEqual(sc5, sc3) sc7 = StorageClass("Composite", pytype=PythonType, components={"comp1": sc4, "comp2": sc3}) self.assertNotEqual(sc5, sc7) sc8 = StorageClass("Composite", pytype=PythonType, components={"comp2": sc3}) self.assertNotEqual(sc5, sc8) sc9 = StorageClass("Composite", pytype=PythonType, components={"comp2": sc3}, assembler="lsst.daf.butler.Butler") self.assertNotEqual(sc5, sc9)
"""Check that storage classes can be created on the fly and stored in a registry.""" className = "TestImage" factory = StorageClassFactory() newclass = StorageClass(className, pytype=PythonType) factory.registerStorageClass(newclass) sc = factory.getStorageClass(className) self.assertIsInstance(sc, StorageClass) self.assertEqual(sc.name, className) self.assertFalse(sc.components) self.assertEqual(sc.pytype, PythonType) self.assertIn(sc, factory) newclass2 = StorageClass("Temporary2", pytype=str) self.assertNotIn(newclass2, factory) factory.registerStorageClass(newclass2) self.assertIn(newclass2, factory) self.assertIn("Temporary2", factory) self.assertNotIn("Temporary3", factory) self.assertNotIn({}, factory)
# Make sure we can't register a storage class with the same name # but different values newclass3 = StorageClass("Temporary2", pytype=dict) with self.assertRaises(ValueError): factory.registerStorageClass(newclass3)
factory._unregisterStorageClass(newclass3.name) self.assertNotIn(newclass3, factory) self.assertNotIn(newclass3.name, factory) factory.registerStorageClass(newclass3) self.assertIn(newclass3, factory) self.assertIn(newclass3.name, factory)
# Check you can silently insert something that is already there factory.registerStorageClass(newclass3)
factory = StorageClassFactory() factory.addFromConfig(StorageClassConfig()) image = factory.getStorageClass("Image") imageF = factory.getStorageClass("ImageF") self.assertIsInstance(imageF, type(image)) self.assertNotEqual(imageF, image)
# Check component inheritance exposure = factory.getStorageClass("Exposure") exposureF = factory.getStorageClass("ExposureF") self.assertIsInstance(exposureF, type(exposure)) self.assertIsInstance(exposure.components["image"], type(image)) self.assertNotIsInstance(exposure.components["image"], type(imageF)) self.assertIsInstance(exposureF.components["image"], type(image)) self.assertIsInstance(exposureF.components["image"], type(imageF)) self.assertIn("wcs", exposure.components) self.assertIn("wcs", exposureF.components)
# Check parameters factory.addFromConfig(os.path.join(TESTDIR, "config", "basic", "storageClasses.yaml")) thing1 = factory.getStorageClass("ThingOne") thing2 = factory.getStorageClass("ThingTwo") self.assertIsInstance(thing2, type(thing1)) param1 = thing1.parameters param2 = thing2.parameters self.assertIn("param3", thing2.parameters) self.assertNotIn("param3", thing1.parameters) param2.remove("param3") self.assertEqual(param1, param2)
# Check that we can't have a new StorageClass that does not # inherit from StorageClass with self.assertRaises(ValueError): factory.makeNewStorageClass("ClassName", baseClass=StorageClassFactory)
sc = factory.makeNewStorageClass("ClassName") self.assertIsInstance(sc(), StorageClass)
"""Test that we can pickle storageclasses. """ className = "TestImage" sc = StorageClass(className, pytype=dict) self.assertIsInstance(sc, StorageClass) self.assertEqual(sc.name, className) self.assertFalse(sc.components) sc2 = pickle.loads(pickle.dumps(sc)) self.assertEqual(sc2, sc)
unittest.main() |