Exemplo n.º 1
0
    def test_limit_preserves_rows(self):
        table = Table(self.rows, self.columns)
        table2 = table.limit(2)
        table3 = table2.limit(2)

        self.assertIs(table.rows[0], table2.rows[0])
        self.assertIs(table2.rows[0], table3.rows[0])
Exemplo n.º 2
0
    def test_limit_preserves_rows(self):
        table = Table(self.rows, self.columns)
        table2 = table.limit(2)
        table3 = table2.limit(2)

        self.assertIs(table.rows[0], table2.rows[0])
        self.assertIs(table2.rows[0], table3.rows[0])
Exemplo n.º 3
0
    def test_limit(self):
        table = Table(self.rows, self.columns)

        new_table = table.limit(2)

        self.assertIsNot(new_table, table)
        self.assertEqual(len(new_table.rows), 2)
        self.assertSequenceEqual(new_table.rows[0], (1, 4, 'a'))
        self.assertSequenceEqual(new_table.columns['one'], (1, 2))
Exemplo n.º 4
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    def test_limit(self):
        table = Table(self.rows, self.columns)

        new_table = table.limit(2)

        self.assertIsNot(new_table, table)
        self.assertEqual(len(new_table.rows), 2)
        self.assertSequenceEqual(new_table.rows[0], (1, 4, 'a'))
        self.assertSequenceEqual(new_table.columns['one'], (1, 2))
Exemplo n.º 5
0
    def test_limit_step_only(self):
        table = Table(self.rows, self.columns)

        new_table = table.limit(step=2)

        self.assertIsNot(new_table, table)
        self.assertEqual(len(new_table.rows), 2)
        self.assertSequenceEqual(new_table.rows[0], (1, 4, 'a'))
        self.assertSequenceEqual(new_table.rows[1], (None, 2, u'👍'))
        self.assertSequenceEqual(new_table.columns['one'], (1, None))
Exemplo n.º 6
0
    def test_limit_slice_negative(self):
        table = Table(self.rows, self.columns)

        new_table = table.limit(-2, step=-1)

        self.assertIsNot(new_table, table)
        self.assertEqual(len(new_table.rows), 2)
        self.assertSequenceEqual(new_table.rows[0], (2, 3, 'b'))
        self.assertSequenceEqual(new_table.rows[1], (1, 4, 'a'))
        self.assertSequenceEqual(new_table.columns['one'], (2, 1))
Exemplo n.º 7
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    def test_limit_step_only(self):
        table = Table(self.rows, self.columns)

        new_table = table.limit(step=2)

        self.assertIsNot(new_table, table)
        self.assertEqual(len(new_table.rows), 2)
        self.assertSequenceEqual(new_table.rows[0], (1, 4, 'a'))
        self.assertSequenceEqual(new_table.rows[1], (None, 2, u'👍'))
        self.assertSequenceEqual(new_table.columns['one'], (1, None))
Exemplo n.º 8
0
    def test_limit_slice_negative(self):
        table = Table(self.rows, self.columns)

        new_table = table.limit(-2, step=-1)

        self.assertIsNot(new_table, table)
        self.assertEqual(len(new_table.rows), 2)
        self.assertSequenceEqual(new_table.rows[0], (2, 3, 'b'))
        self.assertSequenceEqual(new_table.rows[1], (1, 4, 'a'))
        self.assertSequenceEqual(new_table.columns['one'], (2, 1))
Exemplo n.º 9
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    def test_limit_with_row_names(self):
        table = Table(self.rows, self.columns, row_names='three')
        new_table = table.limit(2)

        self.assertSequenceEqual(new_table.rows['a'], (1, 4, 'a'))
        self.assertSequenceEqual(new_table.row_names, ('a', 'b'))
Exemplo n.º 10
0
    def test_limit_with_row_names(self):
        table = Table(self.rows, self.columns, row_names='three')
        new_table = table.limit(2)

        self.assertSequenceEqual(new_table.rows['a'], (1, 4, 'a'))
        self.assertSequenceEqual(new_table.row_names, ('a', 'b'))