diff options
Diffstat (limited to 'pint/testsuite/test_definitions.py')
| -rw-r--r-- | pint/testsuite/test_definitions.py | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/pint/testsuite/test_definitions.py b/pint/testsuite/test_definitions.py index 573ee21..8a66a4e 100644 --- a/pint/testsuite/test_definitions.py +++ b/pint/testsuite/test_definitions.py @@ -5,7 +5,7 @@ from __future__ import division, unicode_literals, print_function, absolute_impo from pint.util import (UnitsContainer) from pint.converters import (ScaleConverter, OffsetConverter) from pint.definitions import (Definition, PrefixDefinition, UnitDefinition, - DimensionDefinition) + DimensionDefinition, AliasDefinition) from pint.testsuite import BaseTestCase @@ -70,6 +70,16 @@ class TestDefinition(BaseTestCase): self.assertEqual(x.converter.offset, 255.372222) self.assertEqual(x.reference, UnitsContainer(kelvin=1)) + x = Definition.from_string('turn = 6.28 * radian = _ = revolution = = cycle = _') + self.assertIsInstance(x, UnitDefinition) + self.assertEqual(x.name, 'turn') + self.assertEqual(x.aliases, ('revolution', 'cycle')) + self.assertEqual(x.symbol, 'turn') + self.assertFalse(x.is_base) + self.assertIsInstance(x.converter, ScaleConverter) + self.assertEqual(x.converter.scale, 6.28) + self.assertEqual(x.reference, UnitsContainer(radian=1)) + def test_dimension_definition(self): x = DimensionDefinition('[time]', '', (), converter='') self.assertTrue(x.is_base) @@ -78,3 +88,9 @@ class TestDefinition(BaseTestCase): x = Definition.from_string('[speed] = [length]/[time]') self.assertIsInstance(x, DimensionDefinition) self.assertEqual(x.reference, UnitsContainer({'[length]': 1, '[time]': -1})) + + def test_alias_definition(self): + x = Definition.from_string("@alias meter = metro = metr") + self.assertIsInstance(x, AliasDefinition) + self.assertEqual(x.name, "meter") + self.assertEqual(x.aliases, ("metro", "metr")) |