public async Task CatchAnExceptionViaMiddlware()
{
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
bool caughtException = false;
m.OnReceive(async(context, next) =>
{
try
{
await next();
Assert.Fail("Should not get here");
}
catch (Exception ex)
{
Assert.IsTrue(ex.Message == "test");
caughtException = true;
}
});
m.OnReceive(async(context, next) =>
{
throw new Exception("test");
});
await m.ReceiveActivity(null);
Assert.IsTrue(caughtException);
}
public async Task RunCodeBeforeAndAfter()
{
bool didRun1 = false;
bool codeafter2run = false;
bool didRun2 = false;
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.OnReceive(async(context, next) =>
{
Assert.IsFalse(didRun1, "Looks like the 1st middleware has already run");
didRun1 = true;
await next();
Assert.IsTrue(didRun1, "The 2nd middleware should have run now.");
codeafter2run = true;
});
m.OnReceive(async(context, next) =>
{
Assert.IsTrue(didRun1, "Looks like the 1st middleware has not been run");
Assert.IsFalse(codeafter2run, "The code that runs after middleware 2 is complete has already run.");
didRun2 = true;
await next();
});
await m.ReceiveActivity(null);
Assert.IsTrue(didRun1);
Assert.IsTrue(didRun2);
Assert.IsTrue(codeafter2run);
}
public async Task MixedMiddlewareInOrderAnonymousLast()
{
bool didRun1 = false;
bool didRun2 = false;
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.Use(
new CallMeMiddlware(() =>
{
Assert.IsFalse(didRun2, "Second Middleware was called");
didRun1 = true;
}));
m.OnReceive(async(context, next) =>
{
Assert.IsTrue(didRun1, "Looks like the 1st middleware has not been run");
didRun2 = true;
await next();
});
await m.ReceiveActivity(null);
Assert.IsTrue(didRun1);
Assert.IsTrue(didRun2);
}
public async Task BubbleUncaughtException()
{
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.OnReceive(async(context, next) =>
{
throw new InvalidOperationException("test");
});
await m.ReceiveActivity(null);
Assert.Fail("Should never have gotten here");
}
public async Task TwoAnonymousMiddleware()
{
bool didRun1 = false;
bool didRun2 = false;
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.OnReceive(async(context, next) =>
{
didRun1 = true;
await next();
});
m.OnReceive(async(context, next) =>
{
didRun2 = true;
await next();
});
await m.ReceiveActivity(null);
Assert.IsTrue(didRun1);
Assert.IsTrue(didRun2);
}
public async Task TwoAnonymousMiddlewareInOrder()
{
bool didRun1 = false;
bool didRun2 = false;
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.OnReceive(async(context, next) =>
{
Assert.IsFalse(didRun2, "Looks like the 2nd one has already run");
didRun1 = true;
await next();
});
m.OnReceive(async(context, next) =>
{
Assert.IsTrue(didRun1, "Looks like the 1nd one has not yet run");
didRun2 = true;
await next();
});
await m.ReceiveActivity(null);
Assert.IsTrue(didRun1);
Assert.IsTrue(didRun2);
}