def testAssignmentToStarredFromList(self):
context = {}
mytuple = itypes.create_list(self.int, self.str, self.float)
assignment.assign_to_node('(a, *b)', mytuple, context)
self.assertEqual(context, {
'a': '<float> | <int> | <str>',
'b': '[<float> | <int> | <str>]'
})
def testComplexClassMemberAssignment(self):
a = itypes.ClassType('A', [], '')
a.add_attr('x', itypes.TypeSet(self.int))
b = itypes.ClassType('B', [], '')
context = {'C': itypes.TypeSet(a, b)}
assignment.assign_to_node('C.x', itypes.TypeSet(self.str), context)
self.assertEqual(a.get_attr('x'), '<int> | <str>')
self.assertEqual(b.get_attr('x'), '<str>')
def testAssignmentToStarredFromStarred(self):
context = {
'x': self.int,
'y': itypes.create_tuple(self.float, self.str, self.int)
}
assignment.assign_to_node('(a, b, *c)', '(x, *y)', context)
self.assertEqual(context['a'], '<int>')
self.assertEqual(context['b'], '<float>')
self.assertEqual(context['c'], '[<int> | <str>]')
def testMultipleAssignmentFromTuple(self):
context = {}
mytuple = itypes.create_tuple(self.int, self.str)
assignment.assign_to_node('a, b', mytuple, context)
self.assertEqual(context, {'a': '<int>', 'b': '<str>'})
def testMultipleAssignmentFromList(self):
context = {}
mylist = itypes.create_list(self.int, self.str)
assignment.assign_to_node('a, b', mylist, context)
self.assertEqual(context, {'a': '<int> | <str>', 'b': '<int> | <str>'})
def testCallResultAssignmentDoesNothing(self):
context = {'l': self.int}
assignment.assign_to_node('l()', self.str, context)
self.assertEqual(context, {'l': '<int>'})
def testDictIndexAssignment(self):
context = {'d': itypes.create_dict([self.str], [self.int])}
assignment.assign_to_node("d['abc']", self.float, context)
self.assertEqual(context, {'d': '{<str>: <float> | <int>}'})
def testListSliceTotalAssignment(self):
context = {'l': itypes.TypeSet(itypes.create_list(self.int))}
l2 = itypes.TypeSet(itypes.create_list(self.str))
assignment.assign_to_node('l[:]', l2, context)
self.assertEqual(context, {'l': '[<int> | <str>]'})
def testListIndexAssigment(self):
"""Test assignment to a list index works"""
context = {'l': itypes.TypeSet(itypes.create_list(self.int))}
assignment.assign_to_node('l[0]', self.str, context)
self.assertEqual(context, {'l': '[<int> | <str>]'})
def testClassMemberAssignment(self):
context = {'C': itypes.TypeSet(itypes.ClassType('C', [], ''))}
assignment.assign_to_node('C.x', itypes.TypeSet(self.int), context)
self.assertEqual(context['C'].get_attr('x'), '<int>')
def testSimpleAssignment(self):
context = {}
assignment.assign_to_node('a', itypes.TypeSet(self.int), context)
self.assertEqual({'a': '<int>'}, context)
