Пример #1
0
        /// <summary>
        /// Creates the parser.
        /// </summary>
        private static QueryParser CreateParser()
        {
            var transformerRegistry = ExpressionTransformerRegistry.CreateDefault();

            var proc = new TransformingExpressionTreeProcessor(transformerRegistry);

            var parser = new ExpressionTreeParser(ExpressionTreeParser.CreateDefaultNodeTypeProvider(), proc);

            return new QueryParser(parser);
        }
    public void Process ()
    {
      var inputExpression = Expression.Constant (1);
      var transformedExpression = Expression.Constant (2);
      var transformationProviderMock = MockRepository.GenerateStrictMock<IExpressionTranformationProvider>();
      transformationProviderMock
          .Expect (mock => mock.GetTransformations (inputExpression))
          .Return (new ExpressionTransformation[] { expr => transformedExpression });
      transformationProviderMock
          .Expect (mock => mock.GetTransformations (transformedExpression))
          .Return (new ExpressionTransformation[0]);
      transformationProviderMock.Replay();
      
      var processor = new TransformingExpressionTreeProcessor (transformationProviderMock);

      var result = processor.Process (inputExpression);

      transformationProviderMock.VerifyAllExpectations();
      Assert.That (result, Is.SameAs (transformedExpression));
    }