public void Interpret_ExpressionIsNull_ThrowsArgumentNullException()
{
//Arrange
var interpreter = new QueryFilterInterpreter();
//Act
//Assert
interpreter.Interpret(null, null);
}
public void Interpret_EntityParameterIsNull_ThrowsArgumentNullException()
{
//Arrange
var interpreter = new QueryFilterInterpreter();
//Act
//Assert
interpreter.Interpret(new NotOperator(), null);
}
public void Interpret_EntityParameterIsNull_ThrowsArgumentNullException()
{
//Arrange
var interpreter = new QueryFilterInterpreter();
//Act
//Assert
interpreter.Interpret(new NotOperator(), null);
}
public void Interpret_ExpressionIsNull_ThrowsArgumentNullException()
{
//Arrange
var interpreter = new QueryFilterInterpreter();
//Act
//Assert
interpreter.Interpret(null, null);
}
public void Interpret_ExpressionIsUnknown_ThrowsArgumentException()
{
//Arrange
var interpreter = new QueryFilterInterpreter();
var expression = new NotOperator()
{
Operand = new UnknownCondition()
};
//Act
//Assert
interpreter.Interpret(expression, Expression.Parameter(typeof(string)));
}
public void Interpret_ExpressionIsUnknown_ThrowsArgumentException()
{
//Arrange
var interpreter = new QueryFilterInterpreter();
var expression = new NotOperator()
{
Operand = new UnknownCondition()
};
//Act
//Assert
interpreter.Interpret(expression, Expression.Parameter(typeof(string)));
}
public void Interpret_GoodValues_ReturnsExpression()
{
//Arrange
var interpreter = new QueryFilterInterpreter();
var expression = new NotOperator()
{
Operand = new AndOperator()
{
LeftOperand = new GreaterThanCondition()
{
Property = "Length",
Value = 0
},
RightOperand = new LessThanCondition()
{
Property = "Length",
Value = 6
}
}
};
var entityParameter = Expression.Parameter(typeof(string));
//Act
var result = interpreter.Interpret(expression, entityParameter);
//Assert
Assert.AreEqual(ExpressionType.Not, result.NodeType);
var lambda = Expression.Lambda(Expression.Convert(result, typeof(bool)), entityParameter);
var value = lambda.Compile().DynamicInvoke("Nice");
Assert.AreEqual(false, value);
}
public void Interpret_GoodValues_ReturnsExpression()
{
//Arrange
var interpreter = new QueryFilterInterpreter();
var expression = new NotOperator()
{
Operand = new AndOperator()
{
LeftOperand = new GreaterThanCondition()
{
Property = "Length",
Value = 0
},
RightOperand = new LessThanCondition()
{
Property = "Length",
Value = 6
}
}
};
var entityParameter = Expression.Parameter(typeof(string));
//Act
var result = interpreter.Interpret(expression, entityParameter);
//Assert
Assert.AreEqual(ExpressionType.Not, result.NodeType);
var lambda = Expression.Lambda(Expression.Convert(result, typeof(bool)), entityParameter);
var value = lambda.Compile().DynamicInvoke("Nice");
Assert.AreEqual(false, value);
}
