def test_merge(self):
# should not merge requirements with other object types
self.assertRaises(TypeError, Requirement('foo').__add__, None)
# should not merge requirements for different packages
self.assertRaises(InvalidRequirement, Requirement('foo').__add__,
Requirement('bar'))
req = Requirement('foo>1.1,>1') + Requirement('foo<3,<2')
self.assertTrue(req.satisfied_by({'name': 'foo', 'version': '1.5'}))
self.assertFalse(req.satisfied_by({'name': 'foo', 'version': '1'}))
self.assertFalse(req.satisfied_by({'name': 'foo', 'version': '2'}))
def test_complex_1(self):
req = Requirement('foo>1,>2')
self.assertFalse(req.satisfied_by({'name': 'foo', 'version': '1.5'}))
self.assertFalse(req.satisfied_by({'name': 'foo', 'version': '2'}))
self.assertTrue(req.satisfied_by({'name': 'foo', 'version': '2.1'}))
req = Requirement('foo>2,>1')
self.assertFalse(req.satisfied_by({'name': 'foo', 'version': '1.5'}))
self.assertFalse(req.satisfied_by({'name': 'foo', 'version': '2'}))
self.assertTrue(req.satisfied_by({'name': 'foo', 'version': '2.1'}))
def test_complex_3(self):
req = Requirement('foo<3,<=3')
self.assertFalse(req.satisfied_by({'name': 'foo', 'version': '3'}))
self.assertTrue(req.satisfied_by({'name': 'foo', 'version': '1'}))
req = Requirement('foo<=3,<3')
self.assertFalse(req.satisfied_by({'name': 'foo', 'version': '3'}))
self.assertTrue(req.satisfied_by({'name': 'foo', 'version': '1'}))
def test_satisfied_by(self):
req = Requirement('foo >= 1.0, < 2')
self.assertTrue(req.satisfied_by(Package('foo', '1.0')))
self.assertFalse(req.satisfied_by(Package('foo', '2.0')))
self.assertFalse(req.satisfied_by(Package('foo', '0.42')))