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])
def test_limit_preserves_rows(self):
table = Table(self.rows, self.column_names, self.column_types)
table2 = table.limit(2)
table3 = table2.limit(2)
self.assertIs(table.rows[0], table2.rows[0])
self.assertIs(table2.rows[0], table3.rows[0])
def test_limit_preserves_rows(self):
table = Table(self.rows, self.columns)
table2 = table.limit(2)
table3 = table2.limit(2)
self.assertIsNot(table._data[0], table2._data[0])
self.assertIs(table2._data[0], table3._data[0])
def test_limit_with_row_names(self):
table = Table(self.rows,
self.column_names,
self.column_types,
row_names='three')
new_table = table.limit(2)
self.assertRowNames(new_table, ['a', 'b'])
def test_limit(self):
table = Table(self.rows, self.column_names, self.column_types)
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))
def test_limit_step_only(self):
table = Table(self.rows, self.column_names, self.column_types)
new_table = table.limit(step=2)
self.assertIsNot(new_table, table)
self.assertColumnNames(new_table, self.column_names)
self.assertColumnTypes(new_table, [Number, Number, Text])
self.assertRows(new_table, self.rows[::2])
def test_limit_slice_negative(self):
table = Table(self.rows, self.column_names, self.column_types)
new_table = table.limit(-2, step=-1)
self.assertIsNot(new_table, table)
self.assertColumnNames(new_table, self.column_names)
self.assertColumnTypes(new_table, [Number, Number, Text])
self.assertRows(new_table, self.rows[-2:-1])
def test_limit_slice(self):
table = Table(self.rows, self.column_names, self.column_types)
new_table = table.limit(0, 3, 2)
self.assertIsNot(new_table, table)
self.assertColumnNames(new_table, self.column_names)
self.assertColumnTypes(new_table, [Number, Number, Text])
self.assertRows(new_table, self.rows[0:3:2])
def test_limit_slice(self):
table = Table(self.rows, self.column_names, self.column_types)
new_table = table.limit(0, 3, 2)
self.assertIsNot(new_table, table)
self.assertColumnNames(new_table, self.column_names)
self.assertColumnTypes(new_table, [Number, Number, Text])
self.assertRows(new_table, self.rows[0:3:2])
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))
def test_limit_step_only(self):
table = Table(self.rows, self.column_names, self.column_types)
new_table = table.limit(step=2)
self.assertIsNot(new_table, table)
self.assertColumnNames(new_table, self.column_names)
self.assertColumnTypes(new_table, [Number, Number, Text])
self.assertRows(new_table, self.rows[::2])
def test_limit_slice_negative(self):
table = Table(self.rows, self.column_names, self.column_types)
new_table = table.limit(-2, step=-1)
self.assertIsNot(new_table, table)
self.assertColumnNames(new_table, self.column_names)
self.assertColumnTypes(new_table, [Number, Number, Text])
self.assertRows(new_table, self.rows[-2:-1])
def test_limit_step_only(self):
table = Table(self.rows, self.column_names, self.column_types)
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))
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))
def test_limit_slice(self):
table = Table(self.rows, self.columns)
new_table = table.limit(0, 3, 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))
def test_limit_slice_negative(self):
table = Table(self.rows, self.column_names, self.column_types)
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))
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))
def test_limit_with_row_names(self):
table = Table(self.rows, self.column_names, self.column_types, row_names='three')
new_table = table.limit(2)
self.assertRowNames(new_table, ['a', 'b'])
def test_limit_with_row_names(self):
table = Table(self.rows, self.column_names, self.column_types, 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'))
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'))
