def test_lookup_table_no_values(self):
lookup = LookupTable()
self.assertEqual(len(lookup), 0)
with self.assertRaises(ValueError):
lookup.getMaxValue()
with self.assertRaises(ValueError):
lookup.getMinValue()
with self.assertRaises(ValueError):
lookup.getMaxArg()
with self.assertRaises(ValueError):
lookup.getMinArg()
with self.assertRaises(ValueError):
lookup.interp(0.25)
def test_lookup_out_of_bounds(self):
lookup = LookupTable()
lookup.append(0.0, 0.0)
lookup.append(1.0, 10.0)
self.assertEqual(lookup.interp(0), 0)
self.assertEqual(lookup.interp(1), 10)
with self.assertRaises(ValueError):
lookup.interp(-1)
with self.assertRaises(ValueError):
lookup.interp(2)
lookup.setLowerLimit(-1)
self.assertEqual(lookup.interp(-0.25), -1)
with self.assertRaises(ValueError):
lookup.interp(2)
lookup.setUpperLimit(88)
self.assertEqual(lookup.interp(1.25), 88)
def test_lookup_table_one_value(self):
lookup = LookupTable()
lookup.append(0, 0)
with self.assertRaises(ValueError):
lookup.interp(0.25)
