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# This file is part of python-sql. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
import unittest
from sql import CombiningQuery, From, Table
class TestFrom(unittest.TestCase):
def test_add(self):
t1 = Table('t1')
t2 = Table('t2')
from_ = From([t1]) + t2
self.assertEqual(from_, [t1, t2])
def test_invalid_add(self):
with self.assertRaises(TypeError):
From([Table('t')]) + 'foo'
def test_invalid_add_combining_query(self):
with self.assertRaises(TypeError):
From([Table('t')]) + CombiningQuery(
Table('t1').select(), Table('t2').select())
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