public void ItShouldNotSupportOrOperator()
{
BinaryExpression expression1 = Expression.Equal(Expression.Property(Expression.Constant(new Build()), "Project"), Expression.Constant("myproject"));
BinaryExpression expression2 = Expression.NotEqual(Expression.Property(Expression.Constant(new Build()), "Quality"), Expression.Constant("good"));
var visitor = new BuildFilterExpressionVisitor(Expression.OrElse(expression1, expression2));
var node = visitor.Eval();
}
public void ItShouldNotSupportMoreThanOneExpressionPerField()
{
BinaryExpression expression1 = Expression.Equal(Expression.Property(Expression.Constant(new Build()), "Project"), Expression.Constant("myproject"));
BinaryExpression expression2 = Expression.NotEqual(Expression.Property(Expression.Constant(new Build()), "Project"), Expression.Constant("anotherproject"));
var visitor = new BuildFilterExpressionVisitor(Expression.And(expression1, expression2));
var node = visitor.Eval();
}
public IEnumerable<Build> GetBuildsByProject(ODataSelectManyQueryOperation operation)
{
if (operation == null)
{
throw new ArgumentNullException("operation");
}
var parameters = new BuildFilterExpressionVisitor(operation.FilterExpression).Eval();
return this.proxy.GetBuildsByProject(operation.Key, parameters);
}
public void ItShouldSupportEqualityOperator()
{
BinaryExpression expression = Expression.Equal(Expression.Property(Expression.Constant(new Build()), "Project"), Expression.Constant("myproject"));
var visitor = new BuildFilterExpressionVisitor(expression);
var node = visitor.Eval();
Assert.AreEqual(node.Key, "Project");
Assert.AreEqual(node.Sign, FilterExpressionType.Equal);
Assert.AreEqual(node.Value, "myproject");
}
public void ItShouldSupportAndOperator()
{
BinaryExpression expression1 = Expression.Equal(Expression.Property(Expression.Constant(new Build()), "Project"), Expression.Constant("myproject"));
BinaryExpression expression2 = Expression.NotEqual(Expression.Property(Expression.Constant(new Build()), "Quality"), Expression.Constant("good"));
var visitor = new BuildFilterExpressionVisitor(Expression.And(expression1, expression2));
var firstNode = visitor.Eval();
Assert.AreEqual(firstNode.Key, "Project");
Assert.AreEqual(firstNode.Sign, FilterExpressionType.Equal);
Assert.AreEqual(firstNode.Value, "myproject");
var secondNode = firstNode.NextNode;
Assert.AreEqual(secondNode.Key, "Quality");
Assert.AreEqual(secondNode.Sign, FilterExpressionType.NotEqual);
Assert.AreEqual(secondNode.Value, "good");
}
