def test_compare(self):
cc1 = sql.ColumnCollection()
cc2 = sql.ColumnCollection()
cc3 = sql.ColumnCollection()
c1 = sql.column('col1')
c2 = c1.label('col2')
c3 = sql.column('col3')
cc1.add(c1)
cc2.add(c2)
cc3.add(c3)
assert (cc1 == cc2).compare(c1 == c2)
assert not (cc1 == cc3).compare(c2 == c3)
def test_in(self):
cc = sql.ColumnCollection()
cc.add(sql.column('col1'))
cc.add(sql.column('col2'))
cc.add(sql.column('col3'))
assert 'col1' in cc
assert 'col2' in cc
try:
cc['col1'] in cc
assert False
except exc.ArgumentError, e:
eq_(str(e), "__contains__ requires a string argument")
