public void ItShouldNotSupportMoreThanOneExpressionPerField()
{
BinaryExpression expression1 = Expression.Equal(Expression.Property(Expression.Constant(new WorkItem()), "Project"), Expression.Constant("myproject"));
BinaryExpression expression2 = Expression.NotEqual(Expression.Property(Expression.Constant(new WorkItem()), "Project"), Expression.Constant("anotherproject"));
var visitor = new WorkItemFilterExpressionVisitor(Expression.And(expression1, expression2));
var node = visitor.Eval();
}
public IEnumerable<WorkItem> GetAll(ODataQueryOperation operation)
{
if (operation == null)
{
throw new ArgumentNullException("operation");
}
var parameters = new WorkItemFilterExpressionVisitor(operation.FilterExpression).Eval();
return this.proxy.GetWorkItemsByProjectCollection(parameters);
}
public void ItShouldSupportInequalityOperator()
{
BinaryExpression expression = Expression.NotEqual(Expression.Property(Expression.Constant(new WorkItem()), "Project"), Expression.Constant("myproject"));
var visitor = new WorkItemFilterExpressionVisitor(expression);
var node = visitor.Eval();
Assert.AreEqual(node.Key, "Project");
Assert.AreEqual(node.Sign, FilterExpressionType.NotEqual);
Assert.AreEqual(node.Value, "myproject");
}
public void ItShouldSupportAndOperator()
{
var expression1 = Expression.Equal(Expression.Property(Expression.Constant(new WorkItem()), "Project"), Expression.Constant("myproject"));
var expression2 = Expression.NotEqual(Expression.Property(Expression.Constant(new WorkItem()), "Title"), Expression.Constant("Bug in main page"));
var visitor = new WorkItemFilterExpressionVisitor(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, "Title");
Assert.AreEqual(secondNode.Sign, FilterExpressionType.NotEqual);
Assert.AreEqual(secondNode.Value, "Bug in main page");
Assert.AreEqual(secondNode.NodeRelationship, FilterNodeRelationship.And);
}
public IEnumerable<WorkItem> GetWorkItemsByBuild(ODataSelectManyQueryOperation operation)
{
if (operation == null)
{
throw new ArgumentNullException("operation");
}
var parameters = new WorkItemFilterExpressionVisitor(operation.FilterExpression).Eval();
return this.proxy.GetWorkItemsByBuild(operation.Keys["project"], operation.Keys["number"], parameters);
}
public void ItShouldSupportInequalityOperators()
{
var someDate = new DateTime(2011, 2, 3, 4, 5, 6);
var anotherDate = new DateTime(2011, 6, 7, 8, 9, 10);
BinaryExpression lessThanExpression = Expression.LessThan(Expression.Property(Expression.Constant(new WorkItem()), "Revision"), Expression.Constant(1));
BinaryExpression lessThanOrEqualExpression = Expression.LessThanOrEqual(Expression.Property(Expression.Constant(new WorkItem()), "ChangedDate"), Expression.Constant(someDate));
BinaryExpression greaterThanOrEqualExpression = Expression.GreaterThanOrEqual(Expression.Property(Expression.Constant(new WorkItem()), "Id"), Expression.Constant(3));
BinaryExpression greaterThanExpression = Expression.GreaterThan(Expression.Property(Expression.Constant(new WorkItem()), "CreatedDate"), Expression.Constant(anotherDate));
var visitor = new WorkItemFilterExpressionVisitor(Expression.OrElse(
Expression.OrElse(lessThanExpression, lessThanOrEqualExpression),
Expression.OrElse(greaterThanOrEqualExpression, greaterThanExpression)));
var node = visitor.Eval();
Assert.AreEqual("Revision", node.Key);
Assert.AreEqual(FilterExpressionType.LessThan, node.Sign);
Assert.AreEqual("1", node.Value);
node = node.NextNode;
Assert.AreEqual("ChangedDate", node.Key);
Assert.AreEqual(FilterExpressionType.LessThanOrEqual, node.Sign);
Assert.AreEqual(someDate.ToString(), node.Value);
node = node.NextNode;
Assert.AreEqual("Id", node.Key);
Assert.AreEqual(FilterExpressionType.GreaterThanOrEqual, node.Sign);
Assert.AreEqual("3", node.Value);
node = node.NextNode;
Assert.AreEqual("CreatedDate", node.Key);
Assert.AreEqual(FilterExpressionType.GreaterThan, node.Sign);
Assert.AreEqual(anotherDate.ToString(), node.Value);
}
