public void TestInvokeStaticMethodAsyncInSequence()
{
var t1 = new Variable <int>("t1");
var a = new InvokeMethod <int>()
{
MethodName = "GetSomething",
TargetType = this.GetType(),
RunAsynchronously = true,
Result = t1,
};
var s = new System.Activities.Statements.Sequence()
{
Variables = { t1 },
Activities =
{
new Plus()
{
X = 2, Y = 3
},
a,
new Multiply()
{
X = 3, Y = 7
},
},
};
var r = WorkflowInvoker.Invoke(s);
System.Diagnostics.Debug.WriteLine("Something invoke");
//So all run in sequences. The async activity is not being executed in fire and forget style, but probably just good not freezing the UI thread if UI is involved.
}
public void TestWorkflowApplicationTwice()
{
AutoResetEvent syncEvent = new AutoResetEvent(false);
var a = new System.Activities.Statements.Sequence()
{
Activities =
{
new System.Activities.Statements.Delay()
{
Duration = TimeSpan.FromSeconds(3),
},
new Multiply()
{
X = 3,
Y = 7,
}
},
};
var app = new WorkflowApplication(a);
int mainThreadId = Thread.CurrentThread.ManagedThreadId;
int workFlowThreadId = -1;
app.Completed = delegate(WorkflowApplicationCompletedEventArgs e)
{
workFlowThreadId = Thread.CurrentThread.ManagedThreadId;
syncEvent.Set();
};
var dt = DateTime.Now;
app.Run();
Assert.True((DateTime.Now - dt).TotalSeconds < 2, "app.Run() should not be blocking");
syncEvent.WaitOne();
Assert.NotEqual(mainThreadId, workFlowThreadId);
var syncEvent2 = new AutoResetEvent(false);
var app2 = new WorkflowApplication(a)
{
Completed = e =>
{
syncEvent2.Set();
}
};
dt = DateTime.Now;
app2.Run();
syncEvent2.WaitOne();
var seconds = (DateTime.Now - dt).TotalSeconds;
Debug.WriteLine($"Second run takes {seconds} seconds");
}
public void TestWorkflowApplication()
{
AutoResetEvent syncEvent = new AutoResetEvent(false);
var a = new System.Activities.Statements.Sequence()
{
Activities =
{
new System.Activities.Statements.Delay()
{
Duration = TimeSpan.FromSeconds(3),
},
new Multiply()
{
X = 3,
Y = 7,
}
},
};
int mainThreadId = Thread.CurrentThread.ManagedThreadId;
int workFlowThreadId = -1;
var app = new WorkflowApplication(a)
{
Completed = delegate(WorkflowApplicationCompletedEventArgs e)
{
workFlowThreadId = Thread.CurrentThread.ManagedThreadId;
syncEvent.Set();
},
};
var dt = DateTime.Now;
app.Run();
var seconds = (DateTime.Now - dt).TotalSeconds;
System.Diagnostics.Debug.WriteLine($"It takes {seconds} seconds to init a run.");//The 1st WorkflowApplication may take over 1 second to run.
Assert.True(seconds < 2, "app.Run() should not be blocking");
syncEvent.WaitOne();
Assert.NotEqual(mainThreadId, workFlowThreadId);
}
public void TestWorkflowApplicationBeginRun()
{
var a = new System.Activities.Statements.Sequence()
{
Activities =
{
new System.Activities.Statements.Delay()
{
Duration = TimeSpan.FromSeconds(3),
},
new Multiply()
{
X = 3,
Y = 7,
}
},
};
int mainThreadId = Thread.CurrentThread.ManagedThreadId;
bool completedCalled = false;
var app = new WorkflowApplication(a)
{
Completed = delegate(WorkflowApplicationCompletedEventArgs e)
{
completedCalled = true;
},
};
var dt = DateTime.Now;
var asyncResult = app.BeginRun(null, null);
var seconds = (DateTime.Now - dt).TotalSeconds;
System.Diagnostics.Debug.WriteLine($"It takes {seconds} seconds to init a BeginRun.");//The 1st WorkflowApplication may take over 1 second to run.
app.EndRun(asyncResult);
Assert.False(completedCalled);
}
public void TestWorkflowApplicationBeginRunWithException()
{
var a = new System.Activities.Statements.Sequence()
{
Activities =
{
new ThrowSomething()
},
};
int mainThreadId = Thread.CurrentThread.ManagedThreadId;
bool completedCalled = false;
bool exceptionHandlerCalled = false;
var app = new WorkflowApplication(a)
{
Completed = delegate(WorkflowApplicationCompletedEventArgs e)
{
completedCalled = true;
},
OnUnhandledException = args =>
{
exceptionHandlerCalled = true;
return(UnhandledExceptionAction.Terminate);
},
};
var dt = DateTime.Now;
var asyncResult = app.BeginRun(null, null);
var seconds = (DateTime.Now - dt).TotalSeconds;
System.Diagnostics.Debug.WriteLine($"It takes {seconds} seconds to init a BeginRun.");//The 1st WorkflowApplication may take over 1 second to run.
app.EndRun(asyncResult);
Assert.False(completedCalled);
Assert.False(exceptionHandlerCalled);
}
public void TestDynamicActivityWithInvokeMethod()
{
var a = new DynamicActivity
{
DisplayName = "Dynamic Plus",
Properties =
{
new DynamicActivityProperty()
{
Name = "ZZ",
Type = typeof(OutArgument <int>),
}
},
Implementation = () =>
{
Variable <int> t1 = new Variable <int>("t1");
var plus = new Plus()
{
X = new ArgumentValue <int>()
{
ArgumentName = "XX"
},
Y = new ArgumentValue <int>()
{
ArgumentName = "YY"
},
Z = t1,
};
var s = new System.Activities.Statements.Sequence()
{
Variables =
{
t1
},
Activities =
{
new InvokeMethod <string>()
{
MethodName = "DoSomething",
TargetObject = new InArgument <InvokeMethodTests>(c => this),
Parameters = { new InArgument <string>("Abcd") },
},
new InvokeMethod <int>()
{
MethodName = "GetSomething",
TargetType = this.GetType(),
Result = t1,
},
new System.Activities.Statements.Assign <int>
{
To = new ArgumentReference <int>{
ArgumentName = "ZZ"
}, //So the Value will be assigned to property ZZ. Noted that ArgumentReference<> is a CodeActivity<>
Value = new InArgument <int>(env => t1.Get(env)), //So the Value will be wired from t1 in context.
},
},
};
return(s);
},
};
var r = WorkflowInvoker.Invoke(a);
var threadId = (int)r["ZZ"];
Assert.Equal(System.Threading.Thread.CurrentThread.ManagedThreadId, threadId);
}
public void TestDynamicActivityGeneric()
{
var x = 100;
var y = 200;
var a = new DynamicActivity <int>
{
DisplayName = "Dynamic Plus",
Properties =
{
new DynamicActivityProperty()
{
Name = "XX",
Type = typeof(InArgument <int>),
},
new DynamicActivityProperty()
{
Name = "YY",
Type = typeof(InArgument <int>),
},
},
Implementation = () =>
{
var t1 = new Variable <int>("t1");
var plus = new Plus()
{
X = new ArgumentValue <int>()
{
ArgumentName = "XX"
},
Y = new ArgumentValue <int>()
{
ArgumentName = "YY"
},
Z = t1, //So Output Z will be assigned to t1
};
var s = new System.Activities.Statements.Sequence()
{
Variables =
{
t1
},
Activities =
{
plus,
new System.Activities.Statements.Assign <int>
{
To = new ArgumentReference <int> {
ArgumentName = "Result"
}, //I just had a good guess about how Result get assigned.
Value = new InArgument <int>(env => t1.Get(env)),
},
},
};
return(s);
},
};
var dic = new Dictionary <string, object>();
dic.Add("XX", x);
dic.Add("YY", y);
var r = WorkflowInvoker.Invoke(a, dic);
Assert.Equal(300, r);
}
public void TestDynamicActivityGenericWithGeneric()
{
var x = 100;
var y = 200;
var a = new DynamicActivity <long>
{
DisplayName = "Dynamic Multiply",
Properties =
{
new DynamicActivityProperty()
{
Name = "XX",
Type = typeof(InArgument <long>),
},
new DynamicActivityProperty()
{
Name = "YY",
Type = typeof(InArgument <long>),
},
},
Implementation = () =>
{
var t1 = new Variable <long>("t1");
var multiply = new System.Activities.Expressions.Multiply <long, long, long>()
{
Left = new ArgumentValue <long>()
{
ArgumentName = "XX"
},
Right = new ArgumentValue <long>()
{
ArgumentName = "YY"
},
Result = t1,
};
var s = new System.Activities.Statements.Sequence()
{
Variables =
{
t1
},
Activities =
{
multiply,
new System.Activities.Statements.Assign <long>
{
To = new ArgumentReference <long> {
ArgumentName = "Result"
},
Value = new InArgument <long>(env => t1.Get(env)),
},
},
};
return(s);
},
};
var dic = new Dictionary <string, object>();
dic.Add("XX", x);
dic.Add("YY", y);
var r = WorkflowInvoker.Invoke(a, dic);
Assert.Equal(20000L, r);
}
public void TestDynamicActivity()
{
var x = 100;
var y = 200;
var a = new DynamicActivity
{
DisplayName = "Dynamic Plus",
Properties =
{
new DynamicActivityProperty()
{
Name = "XX",
Type = typeof(InArgument <int>),
Value = new InArgument <int>(x),
//You can't do Value=x, otherwise, System.InvalidCastException : Unable to cast object of type 'System.Int32' to type 'System.Activities.Argument'
},
new DynamicActivityProperty()
{
Name = "YY",
Type = typeof(InArgument <int>),
//Value=y,
},
new DynamicActivityProperty()
{
Name = "ZZ",
Type = typeof(OutArgument <int>),
}
},
Implementation = () =>
{
Variable <int> t1 = new Variable <int>("t1");
var plus = new Plus()
{
X = new ArgumentValue <int>()
{
ArgumentName = "XX"
},
Y = new ArgumentValue <int>()
{
ArgumentName = "YY"
},
Z = t1,
};
var s = new System.Activities.Statements.Sequence()
{
Variables =
{
t1
},
Activities =
{
plus,
new System.Activities.Statements.Assign <int>
{
To = new ArgumentReference <int> {
ArgumentName = "ZZ"
}, //So the Value will be assigned to property ZZ. Noted that ArgumentReference<> is a CodeActivity<>
Value = new InArgument <int>(env => t1.Get(env)), //So the Value will be wired from t1 in context.
},
},
};
return(s);
},
};
var dic = new Dictionary <string, object>();
// dic.Add("XX", x);
dic.Add("YY", y);
var r = WorkflowInvoker.Invoke(a, dic);
Assert.Equal(300, (int)r["ZZ"]);
}
