public void TestWorkflowErrorHandling()
{
using (ILogger logger = new TraceLogger(true))
{
IWorkContext context = new WorkContext(logger, null, "UnitTest");
const int routerPort = 9991;
using (var router = new GridSeqStep())
{
router.Initialise(context);
router.EnableGrid(GridLevel.Router, Guid.NewGuid(), routerPort, null);
using (var worker = new GridSeqStep())
{
worker.Initialise(context);
worker.EnableGrid(GridLevel.Worker, Guid.NewGuid(), routerPort, null);
// succeeds
{
WorkflowOutput <GridData2> output = worker.Execute(new GridData1 {
S = "1.0"
});
Assert.IsNotNull(output.Errors);
Assert.AreEqual(0, output.Errors.Length);
Assert.AreEqual(1.0, output.Result.D);
}
// fails in 1st substep
{
WorkflowOutput <GridData2> output = worker.Execute(new GridData1 {
S = "not_a_number"
});
Assert.IsNotNull(output.Errors);
Assert.AreEqual(1, output.Errors.Length);
Assert.AreEqual(typeof(FormatException).FullName, output.Errors[0].FullName);
Assert.AreEqual(default, output.Result);
public void TestSelfHostedGrid()
{
using (ILogger logger = new TraceLogger(true))
{
IWorkContext context = new WorkContext(logger, null, "UnitTest");
// defines and executes a basic sequential workflow on a private 2-worker grid
const int routerPort = 9992;
// create nodes
using (var router = new GridSeqStep())
using (var worker1 = new GridSeqStep())
using (var worker2 = new GridSeqStep())
using (var client = new GridSeqStep())
{
// start nodes
router.Initialise(context);
router.EnableGrid(GridLevel.Router, Guid.NewGuid(), routerPort, null);
worker1.Initialise(context);
worker1.EnableGrid(GridLevel.Worker, Guid.NewGuid(), routerPort, null);
worker2.Initialise(context);
worker2.EnableGrid(GridLevel.Worker, Guid.NewGuid(), routerPort, null);
client.Initialise(context);
client.EnableGrid(GridLevel.Client, Guid.NewGuid(), routerPort, null);
// execute
{
WorkflowOutput <GridData2> output = client.Execute(new GridData1 {
S = "4.0"
});
// should return sqrt(1/4.0) = 0.5
Assert.AreEqual(0.5, output.Result.D);
Assert.IsNotNull(output.Errors);
Assert.AreEqual(0, output.Errors.Length);
}
// and again
{
WorkflowOutput <GridData2> output = client.Execute(new GridData1 {
S = "16.0"
});
// should return sqrt(1/16.0) = 0.25
Assert.AreEqual(0.25, output.Result.D);
Assert.IsNotNull(output.Errors);
Assert.AreEqual(0, output.Errors.Length);
}
}
}
}