public void Translate_ContainsExpression_RendersCorrectly()
{
// Arrange
var visitor = new Mock<N1QlExpressionTreeVisitor>(new N1QlQueryGenerationContext())
{
CallBase = true
};
visitor.Setup(m => m.Visit(It.IsAny<ParameterExpression>())).Callback((Expression p) =>
{
visitor.Object.Expression.Append("FAKE");
});
var method = typeof(string).GetMethod("Contains", new[] { typeof(string) });
var expression = Expression.Call(Expression.Constant("test"), method,
Expression.Parameter(typeof(string)));
var transformer = new ContainsMethodCallTranslator();
// Act
transformer.Translate(expression, visitor.Object);
var result = visitor.Object.GetN1QlExpression();
// Assert
Assert.AreEqual("('test' LIKE '%' || FAKE || '%')", result);
}
public void Translate_ContainsConstant_RendersCorrectly()
{
// Arrange
var visitor = new Mock<N1QlExpressionTreeVisitor>(new N1QlQueryGenerationContext())
{
CallBase = true
};
var method = typeof(string).GetMethod("Contains", new[] { typeof(string) });
var expression = Expression.Call(Expression.Constant("test"), method, Expression.Constant("t"));
var transformer = new ContainsMethodCallTranslator();
// Act
transformer.Translate(expression, visitor.Object);
var result = visitor.Object.GetN1QlExpression();
// Assert
Assert.AreEqual("('test' LIKE '%t%')", result);
}
public void Translate_NoVisitor_ThrowsArgumentNullException()
{
// Arrange
var method = typeof(string).GetMethod("Contains", new[] { typeof(string) });
var expression = Expression.Call(Expression.Constant("test"), method, Expression.Constant("t"));
var transformer = new ContainsMethodCallTranslator();
// Act/Assert
var result = Assert.Throws<ArgumentNullException>(() => transformer.Translate(expression, null));
Assert.AreEqual("expressionTreeVisitor", result.ParamName);
}
public void Translate_NoMethod_ThrowsArgumentNullException()
{
// Arrange
var visitor = new Mock<N1QlExpressionTreeVisitor>(new N1QlQueryGenerationContext())
{
CallBase = true
};
var transformer = new ContainsMethodCallTranslator();
// Act/Assert
var result = Assert.Throws<ArgumentNullException>(() => transformer.Translate(null, visitor.Object));
Assert.AreEqual("methodCallExpression", result.ParamName);
}
