public void TestMultipleArgumentBooleanExpressions()
{
// expression tests
// - empty multi-AND = true
{
IExpression[] args = new IExpression[] { };
Assert.IsTrue(Expr.CastTo <bool>(Expr.BoolAND(args).Evaluate(null), false));
}
// - multi-AND true
{
IExpression[] args = new IExpression[] { Expr.Const(true), null, null, Expr.Const(true) };
Assert.IsTrue(Expr.CastTo <bool>(Expr.BoolAND(args).Evaluate(null), false));
}
// multi-AND false
{
IExpression[] args = new IExpression[] { Expr.Const(true), null, null, Expr.Const(false) };
Assert.IsFalse(Expr.CastTo <bool>(Expr.BoolAND(args).Evaluate(null), false));
}
// - empty multi-OR = false
{
IExpression[] args = new IExpression[] { };
Assert.IsFalse(Expr.CastTo <bool>(Expr.BoolOR(args).Evaluate(null), false));
}
// - multi-OR false
{
IExpression[] args = new IExpression[] { Expr.Const(false), null, null, Expr.Const(false) };
Assert.IsFalse(Expr.CastTo <bool>(Expr.BoolOR(args).Evaluate(null), false));
}
// multi-OR true
{
IExpression[] args = new IExpression[] { Expr.Const(false), null, null, Expr.Const(true) };
Assert.IsTrue(Expr.CastTo <bool>(Expr.BoolOR(args).Evaluate(null), false));
}
}
/// <summary>
/// Makes a rule filter.
/// </summary>
/// <param name="envAbbr">The (optional) name of the application processing the rules.</param>
/// <param name="hostName">The (optional) name of the computer running the rules processor.</param>
/// <param name="userName">The (optional) name of the user account hosting the rules processor.</param>
/// <param name="instance">The (optional) instance name for the rule processor.</param>
/// <param name="nameSpace">The (optional) instance namespace for the rule processor.</param>
/// <returns></returns>
public static IExpression MakeRuleFilter(
string envAbbr, // optional environment short name
string hostName, // optional name of computer
string instance, // optional instance name
string userName,
string nameSpace) // optional name of the user
{
var clauses = new List <IExpression>();
if (envAbbr != null)
{
clauses.Add(Expr.BoolOR(Expr.IsNull(HostEnvName), Expr.IsEQU(HostEnvName, envAbbr)));
}
if (hostName != null)
{
clauses.Add(Expr.BoolOR(Expr.IsNull(HostComputer), Expr.IsEQU(HostComputer, hostName)));
}
clauses.Add(instance != null ? Expr.IsEQU(HostInstance, instance) : Expr.IsNull(HostInstance));
if (userName != null)
{
clauses.Add(Expr.BoolOR(Expr.IsNull(HostUserName), Expr.IsEQU(HostUserName, userName)));
}
if (nameSpace != null)
{
clauses.Add(Expr.BoolOR(Expr.IsNull(HostNameSpace), Expr.IsEQU(HostNameSpace, nameSpace)));
}
return(Expr.BoolAND(clauses.ToArray()));
}
private static ScenarioRule MakeIrCurveScenarioRule(string scenarioId, int priority, string currency, string indexName, string indexTenor, string stressId, string description)
{
return(new ScenarioRule
{
ScenarioId = scenarioId,
Category = ScenarioConst.IrPrefix,
RuleId = "1",
Disabled = false,
Priority = priority,
// base curve filter
FilterExpr = Expr.BoolAND(
Expr.BoolOR(
Expr.IsEQU(CurveProp.PricingStructureType, "RateCurve"),
Expr.IsEQU(CurveProp.PricingStructureType, "RateBasisCurve"),
Expr.IsEQU(CurveProp.PricingStructureType, "RateSpreadCurve"),
Expr.IsEQU(CurveProp.PricingStructureType, "DiscountCurve")),
((indexName != null) ? Expr.Contains(CurveProp.IndexName, indexName) : null),
((indexTenor != null) ? Expr.IsEQU(CurveProp.IndexTenor, indexTenor) : null),
((currency != null) ? Expr.IsEQU(CurveProp.Currency1, currency) : null)).Serialise(),
// output
RuleDesc = description,
StressId = stressId
});
}
private void BtnAutoCurveBuilderClick(object sender, EventArgs e)
{
var ccy = listBoxCurrencies.SelectedItems;
IExpression query1 = ccy.Cast <object>().Aggregate <object, IExpression>(null, (current, cc) => Expr.BoolOR(current, Expr.IsEQU(CurveProp.Currency1, cc)));
var pst = listBoxCurves.SelectedItems;
var query2 = pst.Cast <object>().Aggregate <object, IExpression>(null, (current, ps) => Expr.BoolOR(current, Expr.IsEQU(CurveProp.PricingStructureType, ps)));
var marketName = txtBoxMarket.Text;
var query3 = Expr.IsEQU(CurveProp.Market, marketName);
query2 = Expr.BoolAND(query1, query2, query3, Expr.IsEQU(EnvironmentProp.NameSpace, NameSpace), Expr.IsEQU(EnvironmentProp.Function, FunctionProp.QuotedAssetSet));
ISubscription newSubscription = _clientRef.Target.CreateSubscription <QuotedAssetSet>(query2);
newSubscription.UserCallback = delegate(ISubscription subscription, ICoreItem item)
{
// note: this is running on a thread pool thread
// add the item to the queue and post a callback
_queuedItems.Locked(queue => queue.Enqueue(item));
_loggerRef.Target.LogDebug("Queued Item {0} created at {1}", item.Name, item.Created.ToString());
int count = Interlocked.Increment(ref _queuedCalls);
//if (count % 10000 == 0)
_loggerRef.Target.LogDebug("SubscribeCallback: Queued calls posted: {0}", count);
_syncContext.Post(ReceiveNewItem, item); //chnanged from null
};
newSubscription.Start();
_loggerRef.Target.LogDebug("Subscription started.");
}
public void TestFailingExpressions()
{
// tests expressions that fail to evaluate on the server
using (Reference <ILogger> loggerRef = Reference <ILogger> .Create(new TraceLogger(true)))
{
NamedValueSet serverSettings = new NamedValueSet();
serverSettings.Set(CfgPropName.NodeType, (int)NodeType.Router);
serverSettings.Set(CfgPropName.EnvName, "UTT");
using (CoreServer server = new CoreServer(loggerRef, serverSettings))
{
server.Start();
// save
using (ICoreClient client1 = new CoreClientFactory(loggerRef).SetEnv("UTT").Create())
{
client1.SaveObject(new TestData(), "AllValuesNotNull", new NamedValueSet("StrValue/String=A|NumValue/Int32=0"), TimeSpan.MaxValue);
client1.SaveObject(new TestData(), "NumValueIsNull", new NamedValueSet("StrValue/String=A"), TimeSpan.MaxValue);
client1.SaveObject(new TestData(), "StrValueIsNull", new NamedValueSet("NumValue/Int32=0"), TimeSpan.MaxValue);
client1.SaveObject(new TestData(), "AllValuesAreNull", null, TimeSpan.MaxValue);
}
// load using expression
using (ICoreClient client2 = new CoreClientFactory(loggerRef).SetEnv("UTT").Create())
{
client2.DebugRequests = true;
{
var items = client2.LoadObjects <TestData>(Expr.BoolAND(Expr.IsEQU("StrValue", "A"), Expr.IsEQU("NumValue", 0)));
Assert.AreEqual(1, items.Count);
}
{
var items = client2.LoadObjects <TestData>(Expr.BoolOR(Expr.IsEQU("StrValue", "A"), Expr.IsEQU("NumValue", 0)));
Assert.AreEqual(3, items.Count);
}
{
// unknown/missing string property
var items = client2.LoadObjects <TestData>(Expr.BoolOR(Expr.IsEQU("StrValue", "A"), Expr.IsEQU("XValue", "X")));
Assert.AreEqual(2, items.Count);
}
{
// unknown/missing non-string property
var items = client2.LoadObjects <TestData>(Expr.BoolOR(Expr.IsEQU("StrValue", "A"), Expr.IsEQU("YValue", 1)));
Assert.AreEqual(2, items.Count);
}
{
// property missing
var items = client2.LoadObjects <TestData>(Expr.IsNull("StrValue"));
Assert.AreEqual(2, items.Count);
}
{
// property has value
var items = client2.LoadObjects <TestData>(Expr.IsNotNull("StrValue"));
Assert.AreEqual(2, items.Count);
}
{
var items = client2.LoadObjects <TestData>(Expr.StartsWith("StrValue", "A"));
Assert.AreEqual(2, items.Count);
}
{
var items = client2.LoadObjects <TestData>(Expr.BoolOR(Expr.StartsWith("StrValue", "A"), Expr.IsEQU("NumValue", 0)));
Assert.AreEqual(3, items.Count);
}
}
}
}
}
public void TestExpressionEquality()
{
// expression equality tests
// constant expressions
{
IExpression expr1 = Expr.Const(false);
IExpression expr2 = Expr.Const(false);
Assert.IsTrue(expr1.Equals(expr2));
}
{
IExpression expr1 = Expr.Const(false);
IExpression expr2 = Expr.Const(true);
Assert.IsFalse(expr1.Equals(expr2));
}
{
IExpression expr1 = Expr.Const("Value1");
IExpression expr2 = Expr.Const("Value1");
Assert.IsTrue(expr1.Equals(expr2));
}
{
IExpression expr1 = Expr.Const("Value1");
IExpression expr2 = Expr.Const("value1");
Assert.IsFalse(expr1.Equals(expr2));
}
{
IExpression expr1 = Expr.Const("Value1");
IExpression expr2 = Expr.Const("Value2");
Assert.IsFalse(expr1.Equals(expr2));
}
// incompatibale types
{
IExpression expr1 = Expr.Const("Value1");
IExpression expr2 = Expr.Const(true);
Assert.IsFalse(expr1.Equals(expr2));
}
// property names are case insensitive
{
IExpression expr1 = Expr.IsEQU("Name", "Value");
IExpression expr2 = Expr.IsEQU("Name", "Value");
Assert.IsTrue(expr1.Equals(expr2));
}
{
IExpression expr1 = Expr.IsEQU("Name", "Value");
IExpression expr2 = Expr.IsEQU("name", "Value");
Assert.IsTrue(expr1.Equals(expr2));
}
// order of evaluation is irrelevant
{
IExpression expr1 = Expr.BoolAND(Expr.IsEQU("Name1", "Value1"), Expr.IsEQU("Name2", "Value2"));
IExpression expr2 = Expr.BoolAND(Expr.IsEQU("Name2", "Value2"), Expr.IsEQU("Name1", "Value1"));
Assert.IsTrue(expr1.Equals(expr2));
}
{
IExpression expr1 = Expr.BoolOR(Expr.IsEQU("Name1", "Value1"), Expr.IsEQU("Name2", "Value2"));
IExpression expr2 = Expr.BoolOR(Expr.IsEQU("Name2", "Value2"), Expr.IsEQU("Name1", "Value1"));
Assert.IsTrue(expr1.Equals(expr2));
}
// operator is important
{
IExpression expr1 = Expr.BoolOR(Expr.IsEQU("Name1", "Value1"), Expr.IsEQU("Name2", "Value2"));
IExpression expr2 = Expr.BoolAND(Expr.IsEQU("Name1", "Value1"), Expr.IsEQU("Name2", "Value2"));
Assert.IsFalse(expr1.Equals(expr2));
}
// non-deterministic expressions are never equal
{
IExpression expr1 = Expr.FuncNow();
IExpression expr2 = Expr.FuncNow();
int hash1a = expr1.GetHashCode();
int hash2a = expr2.GetHashCode();
// these are usually equal but not always
//Assert.AreEqual<int>(hash1a, hash2a);
Thread.Sleep(30); // sleep at least 2 Windows time quanta (not ticks)
int hash1b = expr1.GetHashCode();
int hash2b = expr2.GetHashCode();
Assert.AreNotEqual <int>(hash1a, hash1b);
Assert.AreNotEqual <int>(hash1a, hash2b);
}
}
