class TestFilterDefinitionCollection(lsst.utils.tests.TestCase):
def setUp(self):
self.filters1 = FilterDefinitionCollection(
FilterDefinition(physical_filter='abc', lambdaEff=123),
FilterDefinition(physical_filter='def',
band='d',
doc="This is a test filter.",
lambdaEff=456))
self.filters2 = FilterDefinitionCollection(
FilterDefinition(physical_filter='abc', lambdaEff=321),
FilterDefinition(physical_filter='def', band='dd', lambdaEff=654))
FilterDefinitionCollection.reset()
def test_singleton(self):
self.filters1.defineFilters()
self.assertEqual(
lsst.afw.image.Filter('abc').getFilterProperty().getLambdaEff(),
123)
self.assertEqual(
lsst.afw.image.Filter('def').getFilterProperty().getLambdaEff(),
456)
self.filters1.defineFilters() # this should not change anything
self.assertEqual(
lsst.afw.image.Filter('abc').getFilterProperty().getLambdaEff(),
123)
self.assertEqual(
lsst.afw.image.Filter('def').getFilterProperty().getLambdaEff(),
456)
with self.assertRaises(RuntimeError):
self.filters2.defineFilters()
# the defined filters should be unchanged
self.assertEqual(
lsst.afw.image.Filter('abc').getFilterProperty().getLambdaEff(),
123)
self.assertEqual(
lsst.afw.image.Filter('def').getFilterProperty().getLambdaEff(),
456)
def test_reset(self):
self.filters1.defineFilters()
with self.assertRaises(RuntimeError):
self.filters2.defineFilters()
self.filters1.reset()
# The new filters can be defiend and should replace the old ones.
self.filters2.defineFilters()
self.assertEqual(
lsst.afw.image.Filter('abc').getFilterProperty().getLambdaEff(),
321)
self.assertEqual(
lsst.afw.image.Filter('def').getFilterProperty().getLambdaEff(),
654)
def test_findAll(self):
self.assertEqual(set(self.filters1.findAll('r')), set())
matches = self.filters1.findAll('abc')
self.assertEqual(len(matches), 1)
match = list(matches)[0]
self.assertEqual(match.physical_filter, 'abc')
def test_physical_to_band(self):
"""Test that the physical_to_band dict returns expected values.
"""
self.assertIsNone(self.filters1.physical_to_band['abc'])
self.assertEqual(self.filters1.physical_to_band['def'], 'd')
self.assertIsNone(self.filters2.physical_to_band['abc'])
self.assertEqual(self.filters2.physical_to_band['def'], 'dd')
class TestFilterDefinitionCollection(lsst.utils.tests.TestCase):
def setUp(self):
self.filters1 = FilterDefinitionCollection(
FilterDefinition(physical_filter='abc', lambdaEff=123),
FilterDefinition(physical_filter='def', lambdaEff=456))
self.filters2 = FilterDefinitionCollection(
FilterDefinition(physical_filter='abc', lambdaEff=321),
FilterDefinition(physical_filter='def', lambdaEff=654))
FilterDefinitionCollection.reset()
def test_singleton(self):
self.filters1.defineFilters()
self.assertEqual(
lsst.afw.image.Filter('abc').getFilterProperty().getLambdaEff(),
123)
self.assertEqual(
lsst.afw.image.Filter('def').getFilterProperty().getLambdaEff(),
456)
self.filters1.defineFilters() # this should not change anything
self.assertEqual(
lsst.afw.image.Filter('abc').getFilterProperty().getLambdaEff(),
123)
self.assertEqual(
lsst.afw.image.Filter('def').getFilterProperty().getLambdaEff(),
456)
with self.assertRaises(RuntimeError):
self.filters2.defineFilters()
# the defined filters should be unchanged
self.assertEqual(
lsst.afw.image.Filter('abc').getFilterProperty().getLambdaEff(),
123)
self.assertEqual(
lsst.afw.image.Filter('def').getFilterProperty().getLambdaEff(),
456)
def test_reset(self):
self.filters1.defineFilters()
with self.assertRaises(RuntimeError):
self.filters2.defineFilters()
self.filters1.reset()
# The new filters can be defiend and should replace the old ones.
self.filters2.defineFilters()
self.assertEqual(
lsst.afw.image.Filter('abc').getFilterProperty().getLambdaEff(),
321)
self.assertEqual(
lsst.afw.image.Filter('def').getFilterProperty().getLambdaEff(),
654)