def test_ast_expression_contains_error(self):
container = ast.StringExpression(context, 'Rule Engine')
member = ast.FloatExpression(context, 1.0)
with self.assertRaises(errors.EvaluationError):
ast.ContainsExpression(context, container, member).evaluate(None)
container = ast.FloatExpression(context, 1.0)
with self.assertRaises(errors.EvaluationError):
ast.ContainsExpression(context, container, member).evaluate(None)
def test_ast_expression_contains(self):
container = ast.LiteralExpressionBase.from_value(context, range(3))
member = ast.FloatExpression(context, 1.0)
contains = ast.ContainsExpression(context, container, member)
self.assertTrue(contains.evaluate(None))
self.assertIsInstance(contains.reduce(), ast.BooleanExpression)
member = ast.FloatExpression(context, -1.0)
contains = ast.ContainsExpression(context, container, member)
self.assertFalse(contains.evaluate(None))
self.assertIsInstance(contains.reduce(), ast.BooleanExpression)
container = ast.StringExpression(context, 'Rule Engine')
member = ast.StringExpression(context, ' ')
self.assertTrue(
ast.ContainsExpression(context, container, member).evaluate(None))
member = ast.StringExpression(context, 'x')
self.assertFalse(
ast.ContainsExpression(context, container, member).evaluate(None))