public async Task WhenRunTransactionWithStepExecutors_ShouldRunAllStepsProperly()
{
// Arrange
object transactionData = new object();
List <string> runStepActions = new List <string>();
List <string> runUndoActions = new List <string>();
List <string> runPostActions = new List <string>();
List <int> stepActionThreadId = new List <int>();
List <int> postActionThreadId = new List <int>();
int transactionCallbackThreadId = 0;
Dictionary <int, TestExecutor> stepExecutors = new Dictionary <int, TestExecutor>()
{
{ 0, null },
{ 1, new TestExecutor()
{
ShouldRun = true
} },
{ 2, null },
{ 3, new TestExecutor()
{
ShouldRun = true
} },
{ 4, new TestExecutor()
{
ShouldRun = true
} },
{ 5, null },
{ 6, null }
};
Dictionary <int, TestExecutor> postExecutors = new Dictionary <int, TestExecutor>()
{
{ 0, null },
{ 1, null },
{ 2, new TestExecutor()
{
ShouldRun = true
} },
{ 3, new TestExecutor()
{
ShouldRun = true
} },
{ 4, null },
{ 5, null },
{ 6, null }
};
int transactionRunThreadId = Thread.CurrentThread.ManagedThreadId;
int step1StepActionThreadId = stepExecutors[1].ThreadId;
int step2PostActionThreadId = postExecutors[2].ThreadId;
int step3StepActionThreadId = stepExecutors[3].ThreadId;
int step3PostActionThreadId = postExecutors[3].ThreadId;
int step4StepActionThreadId = stepExecutors[4].ThreadId;
TestExecutor callBackExecutor = new TestExecutor()
{
ShouldRun = true
};
ITransaction <string, object> target = new TransactionFactory().Create <string, object>(options =>
{
options.TransactionInfo.Name = "test transaction";
});
for (int i = 0; i < 7; ++i)
{
string index = i.ToString();
TransactionStep <string, object> step = new TransactionStep <string, object>()
{
Id = index,
StepActionExecutor = stepExecutors[i] == null
? null
: stepExecutors[i],
PostActionExecutor = postExecutors[i] == null
? null
: postExecutors[i]
};
if (i == 3 ||
i == 4)
{
step.AsyncStepAction = async(data, info) =>
{
data.Should().BeSameAs(transactionData);
info.CurrentStepId.Should().Be(index);
runStepActions.Add(index);
stepActionThreadId.Add(Thread.CurrentThread.ManagedThreadId);
await Task.CompletedTask;
};
}
else
{
step.StepAction = (data, info) =>
{
data.Should().BeSameAs(transactionData);
info.CurrentStepId.Should().Be(index);
runStepActions.Add(index);
stepActionThreadId.Add(Thread.CurrentThread.ManagedThreadId);
};
}
if (i % 4 == 0)
{
step.AsyncUndoAction = async(data, info) =>
{
data.Should().BeSameAs(transactionData);
info.CurrentStepId.Should().Be(index);
runUndoActions.Add(index);
await Task.CompletedTask;
};
}
else
{
step.UndoAction = (data, info) =>
{
data.Should().BeSameAs(transactionData);
info.CurrentStepId.Should().Be(index);
runUndoActions.Add(index);
};
}
if (i == 1 ||
i == 2)
{
step.AsyncPostAction = async(data, info) =>
{
data.Should().BeSameAs(transactionData);
runPostActions.Add(index);
postActionThreadId.Add(Thread.CurrentThread.ManagedThreadId);
info.CurrentStepId.Should().Be(index);
await Task.CompletedTask;
};
}
else
{
step.PostAction = (data, info) =>
{
data.Should().BeSameAs(transactionData);
runPostActions.Add(index);
postActionThreadId.Add(Thread.CurrentThread.ManagedThreadId);
info.CurrentStepId.Should().Be(index);
};
}
target.Add(step);
}
ITransactionResult <object> transactionCallbackResult = null;
/*
* 0:
* 1: executor for other thread (step action)
* 2: executor for other thread (post action)
* 3: executor for other thread (step action), executor for other thread (post action)
* 4: executor for other thread (step action)
* 5:
* 6:
*/
// Act
ITransactionResult <object> result = await target.Run(settings =>
{
settings.Data = transactionData;
settings.Mode = RunMode.Run;
settings.TransactionResultCallback = callbackResult =>
{
transactionCallbackThreadId = Thread.CurrentThread.ManagedThreadId;
transactionCallbackResult = callbackResult;
};
settings.TransactionResultCallbackExecutor = callBackExecutor;
});
// Assert
callBackExecutor.Dispose();
foreach (TestExecutor executor in stepExecutors.Values.Concat(postExecutors.Values).Where(x => x != null))
{
executor.Dispose();
}
result.Should().BeSameAs(transactionCallbackResult);
result.Data.Should().BeSameAs(transactionData);
result.Errors.ShouldAllBeEquivalentTo(new Exception[0]);
result.Recovered.Should().BeFalse();
result.Result.Should().Be(ResultType.Success);
callBackExecutor.Verify(Times.Once, Times.Once);
foreach (TestExecutor executor in stepExecutors.Values.Concat(postExecutors.Values).Where(x => x != null))
{
executor.Verify(Times.Once, Times.Once);
}
runStepActions.ShouldAllBeEquivalentTo(new string[] { "0", "1", "2", "3", "4", "5", "6" });
runUndoActions.ShouldAllBeEquivalentTo(new string[0]);
runPostActions.ShouldAllBeEquivalentTo(new string[] { "0", "1", "2", "3", "4", "5", "6" });
stepActionThreadId.ShouldAllBeEquivalentTo(new int[]
{
/*step 0*/ transactionRunThreadId,
/*step 1*/ step1StepActionThreadId,
/*step 2*/ step1StepActionThreadId,
/*step 3*/ step3StepActionThreadId,
/*step 4*/ step4StepActionThreadId,
/*step 5*/ step4StepActionThreadId,
/*step 6*/ step4StepActionThreadId
});
postActionThreadId.ShouldAllBeEquivalentTo(new int[]
{
/*step 0*/ step4StepActionThreadId,
/*step 1*/ step4StepActionThreadId,
/*step 2*/ step2PostActionThreadId,
/*step 3*/ step3PostActionThreadId,
/*step 4*/ step3PostActionThreadId,
/*step 5*/ step3PostActionThreadId,
/*step 6*/ step3PostActionThreadId
});
transactionCallbackThreadId.Should().Be(callBackExecutor.ThreadId);
}
public void WhenRunRecoveredTransactionWithCurrentStepAsFirstStepWithExecutor_ShouldProcessStepsProperly()
{
// Arrange
object transactionData = new object();
List <string> runStepActions = new List <string>();
List <string> runUndoActions = new List <string>();
List <string> runPostActions = new List <string>();
List <int> stepActionThreadId = new List <int>();
List <int> undoActionThreadId = new List <int>();
List <int> postActionThreadId = new List <int>();
int transactionCallbackThreadId = 0;
int transactionRunThreadId = Thread.CurrentThread.ManagedThreadId;
Dictionary <int, TestExecutor> stepExecutors = new Dictionary <int, TestExecutor>()
{
{ 0, null },
{ 1, null },
{ 2, new TestExecutor()
{
ShouldRun = true
} },
{ 3, new TestExecutor()
{
ShouldRun = true
} },
{ 4, new TestExecutor()
{
ShouldRun = true
} },
{ 5, null },
{ 6, null }
};
Dictionary <int, TestExecutor> undoExecutors = new Dictionary <int, TestExecutor>()
{
{ 0, new TestExecutor()
{
ShouldRun = true
} },
{ 1, null },
{ 2, new TestExecutor()
{
ShouldRun = true
} },
{ 3, null },
{ 4, new TestExecutor()
{
ShouldRun = true
} },
{ 5, null },
{ 6, null }
};
Dictionary <int, TestExecutor> postExecutors = new Dictionary <int, TestExecutor>()
{
{ 0, null },
{ 1, null },
{ 2, null },
{ 3, new TestExecutor()
{
ShouldRun = true
} },
{ 4, null },
{ 5, null },
{ 6, null }
};
TestExecutor callBackExecutor = new TestExecutor()
{
ShouldRun = true
};
Mock <ITransactionStorage <object> > storageMock = new Mock <ITransactionStorage <object> >();
Mock <ITransactionData <object> > recoveredData = new Mock <ITransactionData <object> >();
recoveredData.SetupGet(x => x.CurrentStepIndex)
.Returns(0);
recoveredData.SetupGet(x => x.Data)
.Returns(transactionData);
recoveredData.SetupGet(x => x.SessionId)
.Returns(Guid.NewGuid());
recoveredData.SetupGet(x => x.StartTimestamp)
.Returns(DateTime.Now);
storageMock.Setup(x => x.RecoverTransaction())
.Returns(recoveredData.Object);
ITransaction <string, object> target = new TransactionFactory().Create <string, object>(options =>
{
options.TransactionInfo.Name = "test transaction";
options.TransactionStorageCreator = context => storageMock.Object;
});
for (int i = 0; i < 7; ++i)
{
string index = i.ToString();
TransactionStep <string, object> step = new TransactionStep <string, object>()
{
Id = index,
StepActionExecutor = stepExecutors[i],
UndoActionExecutor = undoExecutors[i],
PostActionExecutor = postExecutors[i],
Settings = StepSettings.None
};
step.StepAction = (data, info) =>
{
data.Should().BeSameAs(transactionData);
info.CurrentStepId.Should().Be(index);
runStepActions.Add(index);
stepActionThreadId.Add(Thread.CurrentThread.ManagedThreadId);
};
step.UndoAction = (data, info) =>
{
data.Should().BeSameAs(transactionData);
info.CurrentStepId.Should().Be(index);
runUndoActions.Add(index);
undoActionThreadId.Add(Thread.CurrentThread.ManagedThreadId);
};
step.PostAction = (data, info) =>
{
data.Should().BeSameAs(transactionData);
runPostActions.Add(index);
postActionThreadId.Add(Thread.CurrentThread.ManagedThreadId);
info.CurrentStepId.Should().Be(index);
};
target.Add(step);
}
ITransactionResult <object> result = null;
/*
* 0: recovered step, executor for other thread (undo action)
* 1:
* 2: executor for other thread (step action), executor for other thread (undo action)
* 3: executor for other thread (step action), executor for other thread (post action)
* 4: executor for other thread (step action), executor for other thread (undo action)
* 5:
* 6:
*/
// Act
using (ManualResetEvent transactionEndResetEvent = new ManualResetEvent(false))
{
target.Run(settings =>
{
settings.Data = transactionData;
settings.Mode = RunMode.RecoverAndUndoAndRun;
settings.TransactionResultCallback = callbackResult =>
{
transactionCallbackThreadId = Thread.CurrentThread.ManagedThreadId;
result = callbackResult;
transactionEndResetEvent.Set();
};
settings.TransactionResultCallbackExecutor = callBackExecutor;
});
transactionEndResetEvent.WaitOne();
}
// Assert
callBackExecutor.Dispose();
foreach (TestExecutor executor in stepExecutors.Values.Concat(postExecutors.Values).Where(x => x != null))
{
executor.Dispose();
}
result.Data.Should().BeSameAs(transactionData);
result.Errors.ShouldAllBeEquivalentTo(new Exception[0]);
result.Recovered.Should().BeTrue();
result.Result.Should().Be(ResultType.Success);
callBackExecutor.Verify(Times.Once, Times.Once);
foreach (TestExecutor executor in stepExecutors.Values.Concat(postExecutors.Values).Where(x => x != null))
{
executor.Verify(Times.Once, Times.Once);
}
runStepActions.ShouldAllBeEquivalentTo(new string[] { "0", "1", "2", "3", "4", "5", "6" });
runUndoActions.ShouldAllBeEquivalentTo(new string[] { "0" });
runPostActions.ShouldAllBeEquivalentTo(new string[] { "0", "1", "2", "3", "4", "5", "6" });
stepActionThreadId.ShouldAllBeEquivalentTo(new int[]
{
/*step 0*/ undoExecutors[0].ThreadId,
/*step 1*/ undoExecutors[0].ThreadId,
/*step 2*/ stepExecutors[2].ThreadId,
/*step 3*/ stepExecutors[3].ThreadId,
/*step 4*/ stepExecutors[4].ThreadId,
/*step 5*/ stepExecutors[4].ThreadId,
/*step 6*/ stepExecutors[4].ThreadId
});
undoActionThreadId.ShouldAllBeEquivalentTo(new int[] { undoExecutors[0].ThreadId });
postActionThreadId.ShouldAllBeEquivalentTo(new int[]
{
/*step 0*/ stepExecutors[4].ThreadId,
/*step 1*/ stepExecutors[4].ThreadId,
/*step 2*/ stepExecutors[4].ThreadId,
/*step 3*/ postExecutors[3].ThreadId,
/*step 4*/ postExecutors[3].ThreadId,
/*step 5*/ postExecutors[3].ThreadId,
/*step 6*/ postExecutors[3].ThreadId
});
transactionCallbackThreadId.Should().Be(callBackExecutor.ThreadId);
storageMock.AssertStorageOperations(new AssertStorageOperationsContext <string, object>()
{
SessionStartedTimes = Times.Never(),
TransactionData = transactionData,
Transaction = target,
ExpectedStepsOrder = runStepActions,
ExpectedUndoOrder = runUndoActions
});
}
public async Task WhenGoForwardWithComparerWithCompareFailureWithStepExecutors_ShouldFailTransaction()
{
// Arrange
object transactionData = new object();
List <string> runStepActions = new List <string>();
List <string> runUndoActions = new List <string>();
List <string> runPostActions = new List <string>();
List <int> stepActionThreadId = new List <int>();
List <int> postActionThreadId = new List <int>();
int transactionCallbackThreadId = 0;
Dictionary <int, TestExecutor> stepExecutors = new Dictionary <int, TestExecutor>()
{
{ 0, null },
{ 1, new TestExecutor()
{
ShouldRun = true
} },
{ 2, new TestExecutor()
{
ShouldRun = true
} },
{ 3, new TestExecutor()
{
ShouldRun = true
} },
{ 4, new TestExecutor()
{
ShouldRun = true
} },
{ 5, null },
{ 6, null }
};
Dictionary <int, TestExecutor> postExecutors = new Dictionary <int, TestExecutor>()
{
{ 0, null },
{ 1, null },
{ 2, new TestExecutor()
{
ShouldRun = true
} },
{ 3, new TestExecutor()
{
ShouldRun = true
} },
{ 4, null },
{ 5, null },
{ 6, null }
};
int transactionRunThreadId = Thread.CurrentThread.ManagedThreadId;
TestExecutor callBackExecutor = new TestExecutor()
{
ShouldRun = true
};
ITransaction <string, object> target = new TransactionFactory().Create <string, object>(options =>
{
options.TransactionInfo.Name = "test transaction";
});
for (int i = 0; i < 7; ++i)
{
string index = "B" + i.ToString();
TransactionStep <string, object> step = new TransactionStep <string, object>()
{
Id = index,
StepActionExecutor = stepExecutors[i] == null
? null
: stepExecutors[i],
PostActionExecutor = postExecutors[i] == null
? null
: postExecutors[i]
};
if (i != 2)
{
step.AsyncStepAction = async(data, info) =>
{
data.Should().BeSameAs(transactionData);
info.CurrentStepId.Should().Be(index);
runStepActions.Add(index);
stepActionThreadId.Add(Thread.CurrentThread.ManagedThreadId);
await Task.CompletedTask;
};
}
else
{
step.StepAction = (data, info) =>
{
info.GoForward("b4", StringComparer.Ordinal);
data.Should().BeSameAs(transactionData);
info.CurrentStepId.Should().Be(index);
runStepActions.Add(index);
stepActionThreadId.Add(Thread.CurrentThread.ManagedThreadId);
};
}
if (i % 4 == 0)
{
step.AsyncUndoAction = async(data, info) =>
{
data.Should().BeSameAs(transactionData);
info.CurrentStepId.Should().Be(index);
runUndoActions.Add(index);
await Task.CompletedTask;
};
}
else
{
step.UndoAction = (data, info) =>
{
data.Should().BeSameAs(transactionData);
info.CurrentStepId.Should().Be(index);
runUndoActions.Add(index);
};
}
if (i == 1 ||
i == 2)
{
step.AsyncPostAction = async(data, info) =>
{
data.Should().BeSameAs(transactionData);
runPostActions.Add(index);
postActionThreadId.Add(Thread.CurrentThread.ManagedThreadId);
info.CurrentStepId.Should().Be(index);
await Task.CompletedTask;
};
}
else
{
step.PostAction = (data, info) =>
{
data.Should().BeSameAs(transactionData);
runPostActions.Add(index);
postActionThreadId.Add(Thread.CurrentThread.ManagedThreadId);
info.CurrentStepId.Should().Be(index);
};
}
target.Add(step);
}
ITransactionResult <object> transactionCallbackResult = null;
/*
* 0:
* 1: executor for other thread (step action)
* 2: executor for other thread (step action), executor for other thread (post action), go forward to step 4
* 3: executor for other thread (step action), executor for other thread (post action)
* 4: executor for other thread (step action)
* 5:
* 6:
*/
// Act
ITransactionResult <object> result = await target.Run(settings =>
{
settings.Data = transactionData;
settings.Mode = RunMode.Run;
settings.TransactionResultCallback = callbackResult =>
{
transactionCallbackThreadId = Thread.CurrentThread.ManagedThreadId;
transactionCallbackResult = callbackResult;
};
settings.TransactionResultCallbackExecutor = callBackExecutor;
});
// Assert
callBackExecutor.Dispose();
foreach (TestExecutor executor in stepExecutors.Values.Concat(postExecutors.Values).Where(x => x != null))
{
executor.Dispose();
}
result.Should().BeSameAs(transactionCallbackResult);
result.Data.Should().BeSameAs(transactionData);
result.Errors.Count().Should().Be(1);
result.Errors.First().Message.Contains("Could not move forward to a step with id 'b4' as the step does not exist.").Should().BeTrue();
result.Recovered.Should().BeFalse();
result.Result.Should().Be(ResultType.Failed);
runStepActions.ShouldAllBeEquivalentTo(new string[] { "B0", "B1", "B2" });
runUndoActions.ShouldAllBeEquivalentTo(new string[] { "B2", "B1", "B0" });
runPostActions.ShouldAllBeEquivalentTo(new string[0]);
stepActionThreadId.ShouldAllBeEquivalentTo(new int[]
{
/*step 0*/ transactionRunThreadId,
/*step 1*/ stepExecutors[1].ThreadId,
/*step 2*/ stepExecutors[2].ThreadId
});
transactionCallbackThreadId.Should().Be(callBackExecutor.ThreadId);
}