public async Task CatchAnExceptionViaMiddlware()
{
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
bool caughtException = false;
m.Use(new AnonymousReceiveMiddleware(async(context, next) =>
{
try
{
await next();
Assert.Fail("Should not get here");
}
catch (Exception ex)
{
Assert.IsTrue(ex.Message == "test");
caughtException = true;
}
}));
m.Use(new AnonymousReceiveMiddleware(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.Use(new AnonymousReceiveMiddleware(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.Use(new AnonymousReceiveMiddleware(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 Status_TwoItemsOneDoesNotCallNext()
{
bool called1 = false;
bool called2 = false;
CallMeMiddlware one = new CallMeMiddlware(() =>
{
Assert.IsFalse(called2, "Second Middleware was called");
called1 = true;
});
DoNotCallNextMiddleware two = new DoNotCallNextMiddleware(() =>
{
Assert.IsTrue(called1, "First Middleware was not called");
called2 = true;
});
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.Use(one);
m.Use(two);
bool didAllRun = false;
await m.ReceiveActivityWithStatus(null, async (ctx) => didAllRun = true);
Assert.IsTrue(called1);
Assert.IsTrue(called2);
// The 2nd middleware did not call next, so the "final" action should not have run.
Assert.IsFalse(didAllRun);
}
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.Use(new AnonymousReceiveMiddleware(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 TwoAnonymousMiddlewareInOrder()
{
bool didRun1 = false;
bool didRun2 = false;
MiddlewareSet m = new Middleware.MiddlewareSet();
m.Use(new AnonymousContextCreatedMiddleware(async(context, next) =>
{
Assert.IsFalse(didRun2, "Looks like the 2nd one has already run");
didRun1 = true;
await next();
}));
m.Use(new AnonymousContextCreatedMiddleware(async(context, next) =>
{
Assert.IsTrue(didRun1, "Looks like the 1nd one has not yet run");
didRun2 = true;
await next();
}));
await m.ContextCreated(null);
Assert.IsTrue(didRun1);
Assert.IsTrue(didRun2);
}
public async Task TwoMiddlewareItemsInOrder()
{
bool called1 = false;
bool called2 = false;
CallMeMiddlware one = new CallMeMiddlware(() =>
{
Assert.IsFalse(called2, "Second Middleware was called");
called1 = true;
});
CallMeMiddlware two = new CallMeMiddlware(() =>
{
Assert.IsTrue(called1, "First Middleware was not called");
called2 = true;
});
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.Use(one);
m.Use(two);
await m.ReceiveActivity(null);
Assert.IsTrue(called1);
Assert.IsTrue(called2);
}
public async Task MixedMiddlewareInOrderAnonymousFirst()
{
bool didRun1 = false;
bool didRun2 = false;
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.Use(new AnonymousContextCreatedMiddleware(async(context, next) =>
{
Assert.IsFalse(didRun2, "Looks like the 2nd one has already run");
didRun1 = true;
await next();
}));
m.Use(
new CallMeMiddlware(() =>
{
Assert.IsFalse(didRun2, "Second Middleware was called");
didRun2 = true;
}));
await m.ContextCreated(null);
Assert.IsTrue(didRun1);
Assert.IsTrue(didRun2);
}
public async Task TwoMiddlewareItems()
{
WasCalledMiddlware one = new WasCalledMiddlware();
WasCalledMiddlware two = new WasCalledMiddlware();
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.Use(one);
m.Use(two);
await m.ContextCreated(null);
Assert.IsTrue(one.Called);
Assert.IsTrue(two.Called);
}
public async Task TwoMiddlewareItems()
{
WasCalledMiddlware one = new WasCalledMiddlware();
WasCalledMiddlware two = new WasCalledMiddlware();
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.Use(one);
m.Use(two);
await m.ReceiveActivity(null);
Assert.IsTrue(one.Called);
Assert.IsTrue(two.Called);
}
public async Task OneMiddlewareItem()
{
WasCalledMiddlware simple = new WasCalledMiddlware();
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.Use(simple);
Assert.IsFalse(simple.Called);
await m.ReceiveActivity(null);
Assert.IsTrue(simple.Called);
}
public async Task OneMiddlewareItem()
{
WasCalledMiddlware simple = new WasCalledMiddlware();
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.Use(simple);
Assert.IsFalse(simple.Called);
await m.ContextCreated(null);
Assert.IsTrue(simple.Called);
}
public async Task BubbleUncaughtException()
{
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.Use(new AnonymousContextCreatedMiddleware(async(context, next) =>
{
throw new InvalidOperationException("test");
}));
await m.ContextCreated(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.Use(new AnonymousReceiveMiddleware(async(context, next) =>
{
didRun1 = true;
await next();
}));
m.Use(new AnonymousReceiveMiddleware(async(context, next) =>
{
didRun2 = true;
await next();
}));
await m.ReceiveActivity(null);
Assert.IsTrue(didRun1);
Assert.IsTrue(didRun2);
}
public async Task Status_OneMiddlewareRan()
{
bool called1 = false;
CallMeMiddlware one = new CallMeMiddlware(() => { called1 = true; });
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.Use(one);
// The middlware in this pipeline calls next(), so the resulting
// status should be TRUE.
bool didAllRun = await m.ReceiveActivityWithStatus(null);
Assert.IsTrue(called1);
Assert.IsTrue(didAllRun);
}
public async Task NestedSet_AllIsRun()
{
bool innerOnSendCalled = false;
bool innerOnReceiveCalled = false;
bool innerOnCreatedCalled = false;
string replyMessage = Guid.NewGuid().ToString();
MiddlewareSet inner = new MiddlewareSet();
inner.Use(new AnonymousSendActivityMiddleware(async(context, activities, next) =>
{
Assert.IsTrue(activities.Count == 1, "incorrect activity count");
Assert.IsTrue(activities[0].AsMessageActivity().Text == replyMessage, "unexpected message");
innerOnSendCalled = true;
await next();
}));
inner.Use(new AnonymousReceiveMiddleware(async(context, next) =>
{
context.Responses.Add(MessageFactory.Text(replyMessage));
innerOnReceiveCalled = true;
await next();
}));
inner.Use(new AnonymousContextCreatedMiddleware(async(context, next) =>
{
innerOnCreatedCalled = true;
await next();
}));
Middleware.MiddlewareSet outer = new Middleware.MiddlewareSet();
outer.Use(inner);
IBotContext c = TestUtilities.CreateEmptyContext();
await outer.ContextCreated(c);
await outer.ReceiveActivity(c);
await outer.SendActivity(c, c.Responses);
Assert.IsTrue(innerOnReceiveCalled, "Inner Middleware Receive Activity was not called.");
Assert.IsTrue(innerOnCreatedCalled, "Inner Middleware Create Context was not called.");
Assert.IsTrue(innerOnSendCalled, "Inner Middleware SendActivity was not called.");
}
public async Task Status_OneEntryThatDoesNotCallNext()
{
bool called1 = false;
DoNotCallNextMiddleware one = new DoNotCallNextMiddleware(() => { called1 = true; });
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.Use(one);
// The middlware in this pipeline DOES NOT call next(), so this must not be called
bool didAllRun = false;
await m.ReceiveActivityWithStatus(null, async (ctx) => didAllRun = true);
Assert.IsTrue(called1);
// Our "Final" action MUST NOT have been called, as the Middlware Pipeline
// didn't complete.
Assert.IsFalse(didAllRun);
}
public async Task ThrowOnNullMiddlware()
{
Middleware.MiddlewareSet m = new Middleware.MiddlewareSet();
m.Use((Middleware.IMiddleware)null);
}