39 lines
1.7 KiB
Python
39 lines
1.7 KiB
Python
from unittest import TestCase
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from cqlengine.statements import DeleteStatement, WhereClause
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from cqlengine.operators import *
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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(ds.fields, ['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(unicode(ds).startswith('DELETE "f1", "f2"'), unicode(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(unicode(ds).startswith('DELETE *'), unicode(ds))
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self.assertTrue(str(ds).startswith('DELETE *'), 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(unicode(ds).startswith('DELETE * FROM table'), unicode(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(unicode(ds), 'DELETE * FROM table WHERE "a" = :0', unicode(ds))
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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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