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import unittest
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from datetime import datetime
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from dataset import connect
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from sample_data import TEST_DATA
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class DatabaseTestCase(unittest.TestCase):
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def setUp(self):
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self.db = connect('sqlite:///:memory:')
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self.tbl = self.db['weather']
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for row in TEST_DATA:
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self.tbl.insert(row)
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def test_create_table(self):
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table = self.db['foo']
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assert table.table.exists()
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assert len(table.table.columns) == 1, table.table.columns
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assert 'id' in table.table.c, table.table.c
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def test_load_table(self):
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tbl = self.db.load_table('weather')
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assert tbl.table==self.tbl.table
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def test_query(self):
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r = self.db.query('SELECT COUNT(*) AS num FROM weather').next()
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assert r['num']==len(TEST_DATA), r
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class TableTestCase(unittest.TestCase):
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def setUp(self):
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self.db = connect('sqlite:///:memory:')
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self.tbl = self.db['weather']
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for row in TEST_DATA:
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self.tbl.insert(row)
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def test_insert(self):
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assert len(self.tbl)==len(TEST_DATA), len(self.tbl)
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self.tbl.insert({
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'date': datetime(2011, 01, 02),
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'temperature': -10,
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'place': 'Berlin'}
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)
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assert len(self.tbl)==len(TEST_DATA)+1, len(self.tbl)
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def test_distinct(self):
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x = list(self.tbl.distinct('place'))
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assert len(x)==2, x
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x = list(self.tbl.distinct('place', 'date'))
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assert len(x)==6, x
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if __name__ == '__main__':
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unittest.main()
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