def test_expansion_simple(self):
e = Expansion()
e.appendstr('foo')
e.appendstr('bar')
v = VariableRef(None, e)
self.assertEqual(v.to_source(), '$(foobar)')
def test_special_variable(self):
e = StringExpansion('<', None)
v = VariableRef(None, e)
self.assertEqual(v.to_source(), '$<')
def test_string_name(self):
e = StringExpansion('foo', None)
v = VariableRef(None, e)
self.assertEqual(v.to_source(), '$(foo)')
