public void Execute_Example_RowCount(string from, int rowCount)
{
var selects = new List <ElementSelect>()
{
new ElementSelect(new LiteralScalarResolver <string>("$"))
};
using (var reader = GetResourceReader("PurchaseOrders"))
{
var engine = new JsonPathEngine(new LiteralScalarResolver <string>(from), selects);
var result = engine.Execute(reader);
Assert.That(result.Count, Is.EqualTo(rowCount));
}
}
public void Execute_FromElement_ValueCorrect()
{
var from = "$.PurchaseOrders[*].Items[*].ProductName";
var selects = new List <ElementSelect>()
{
new ElementSelect(new LiteralScalarResolver <string>("$"))
};
using (var reader = GetResourceReader("PurchaseOrders"))
{
var engine = new JsonPathEngine(new LiteralScalarResolver <string>(from), selects);
var result = engine.Execute(reader);
Assert.That((result.ElementAt(0) as IEnumerable <object>).ElementAt(0), Is.EqualTo("Lawnmower"));
}
}
public void Execute_MissingElement_Null()
{
var from = "$.PurchaseOrders[*]";
var selects = new List <ElementSelect>()
{
new ElementSelect(new LiteralScalarResolver <string>("$.PurchaseOrderNumber"))
};
using (var reader = GetResourceReader("PurchaseOrders"))
{
var engine = new JsonPathEngine(new LiteralScalarResolver <string>(from), selects);
var result = engine.Execute(reader);
Assert.That((result.ElementAt(3) as IEnumerable <object>).ElementAt(0), Is.EqualTo("(null)"));
}
}
public void Execute_Example_FirstColumnIsCorrect()
{
var from = "$.PurchaseOrders[*].Items[*]";
var selects = new List <ElementSelect>()
{
new ElementSelect(new LiteralScalarResolver <string>("PartNumber"))
};
using (var reader = GetResourceReader("PurchaseOrders"))
{
var engine = new JsonPathEngine(new LiteralScalarResolver <string>(from), selects);
var result = engine.Execute(reader);
Assert.That(result.Count, Is.EqualTo(5));
Assert.That(result.Select(x => ((x as IEnumerable <object>).ElementAt(0) as string).Length), Is.All.EqualTo(6)); //Format is 123-XY
}
}
public void Execute_ParentElementGoingAboveRoot_ValueCorrect()
{
var from = "$.PurchaseOrders[*].Items[*]";
var selects = new List <ElementSelect>()
{
new ElementSelect(new LiteralScalarResolver <string>("!!!!!!.PurchaseOrderNumber")),
new ElementSelect(new LiteralScalarResolver <string>("$.PartNumber"))
};
using (var reader = GetResourceReader("PurchaseOrders"))
{
var engine = new JsonPathEngine(new LiteralScalarResolver <string>(from), selects);
var result = engine.Execute(reader);
Assert.That((result.ElementAt(0) as IEnumerable <object>).ElementAt(0), Does.Contain("(null)"));
Assert.That((result.ElementAt(0) as IEnumerable <object>).ElementAt(1), Does.Contain("872-AA"));
Assert.That((result.ElementAt(1) as IEnumerable <object>).ElementAt(0), Does.Contain("(null)"));
Assert.That((result.ElementAt(1) as IEnumerable <object>).ElementAt(1), Does.Contain("926-AA"));
Assert.That((result.ElementAt(2) as IEnumerable <object>).ElementAt(0), Does.Contain("(null)"));
Assert.That((result.ElementAt(2) as IEnumerable <object>).ElementAt(1), Does.Contain("456-NM"));
}
}
