49 lines
2.2 KiB
Python
49 lines
2.2 KiB
Python
from unittest import TestCase
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from cqlengine.statements import DeleteStatement, WhereClause, MapDeleteClause
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from cqlengine.operators import *
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import six
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class DeleteStatementTests(TestCase):
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def test_single_field_is_listified(self):
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""" tests that passing a string field into the constructor puts it into a list """
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ds = DeleteStatement('table', 'field')
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self.assertEqual(len(ds.fields), 1)
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self.assertEqual(ds.fields[0].field, 'field')
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def test_field_rendering(self):
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""" tests that fields are properly added to the select statement """
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ds = DeleteStatement('table', ['f1', 'f2'])
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self.assertTrue(six.text_type(ds).startswith('DELETE "f1", "f2"'), six.text_type(ds))
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self.assertTrue(str(ds).startswith('DELETE "f1", "f2"'), str(ds))
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def test_none_fields_rendering(self):
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""" tests that a '*' is added if no fields are passed in """
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ds = DeleteStatement('table', None)
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self.assertTrue(six.text_type(ds).startswith('DELETE FROM'), six.text_type(ds))
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self.assertTrue(str(ds).startswith('DELETE FROM'), str(ds))
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def test_table_rendering(self):
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ds = DeleteStatement('table', None)
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self.assertTrue(six.text_type(ds).startswith('DELETE FROM table'), six.text_type(ds))
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self.assertTrue(str(ds).startswith('DELETE FROM table'), str(ds))
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def test_where_clause_rendering(self):
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ds = DeleteStatement('table', None)
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ds.add_where_clause(WhereClause('a', EqualsOperator(), 'b'))
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self.assertEqual(six.text_type(ds), 'DELETE FROM table WHERE "a" = %(0)s', six.text_type(ds))
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def test_context_update(self):
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ds = DeleteStatement('table', None)
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ds.add_field(MapDeleteClause('d', {1: 2}, {1:2, 3: 4}))
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ds.add_where_clause(WhereClause('a', EqualsOperator(), 'b'))
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ds.update_context_id(7)
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self.assertEqual(six.text_type(ds), 'DELETE "d"[%(8)s] FROM table WHERE "a" = %(7)s')
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self.assertEqual(ds.get_context(), {'7': 'b', '8': 3})
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def test_context(self):
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ds = DeleteStatement('table', None)
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ds.add_where_clause(WhereClause('a', EqualsOperator(), 'b'))
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self.assertEqual(ds.get_context(), {'0': 'b'})
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