This is an automated email from the ASF dual-hosted git repository.
blankensteiner pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/pulsar-dotpulsar.git
The following commit(s) were added to refs/heads/master by this push:
new b9d8fa9 Better testing of producer access modes and states
b9d8fa9 is described below
commit b9d8fa9f854c66aa964470af42edcd261cf64541
Author: Daniel Blankensteiner <d...@vmail.dk>
AuthorDate: Wed Oct 11 14:38:29 2023 +0200
Better testing of producer access modes and states
---
src/DotPulsar/DotPulsar.csproj | 2 +-
tests/DotPulsar.Tests/IntegrationFixture.cs | 26 ++++
tests/DotPulsar.Tests/Internal/ProducerTests.cs | 162 +++++++++------------
.../DotPulsar.Tests/Internal/StateManagerTests.cs | 83 ++++++-----
4 files changed, 140 insertions(+), 133 deletions(-)
diff --git a/src/DotPulsar/DotPulsar.csproj b/src/DotPulsar/DotPulsar.csproj
index cfbde8c..a0e81e9 100644
--- a/src/DotPulsar/DotPulsar.csproj
+++ b/src/DotPulsar/DotPulsar.csproj
@@ -23,7 +23,7 @@
<ItemGroup>
<PackageReference Include="HashDepot" Version="2.0.3" />
- <PackageReference Include="Microsoft.Extensions.ObjectPool"
Version="7.0.11" />
+ <PackageReference Include="Microsoft.Extensions.ObjectPool"
Version="7.0.12" />
<PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1"
PrivateAssets="All" />
<PackageReference Include="protobuf-net" Version="3.2.26" />
<PackageReference Include="System.IO.Pipelines" Version="7.0.0" />
diff --git a/tests/DotPulsar.Tests/IntegrationFixture.cs
b/tests/DotPulsar.Tests/IntegrationFixture.cs
index e17c26b..b77a399 100644
--- a/tests/DotPulsar.Tests/IntegrationFixture.cs
+++ b/tests/DotPulsar.Tests/IntegrationFixture.cs
@@ -108,6 +108,32 @@ public class IntegrationFixture : IAsyncLifetime
return result.Data[0];
}
+ private static string CreateTopicName() =>
$"persistent://public/default/{Guid.NewGuid():N}";
+
+ public string CreateTopic()
+ {
+ var topic = CreateTopicName();
+ CreateTopic(topic);
+ return topic;
+ }
+
+ public void CreateTopic(string topic)
+ {
+ var arguments = $"bin/pulsar-admin topics create {topic}";
+
+ var result = _cluster.Execute(arguments);
+
+ if (!result.Success)
+ throw new Exception($"Could not create the topic: {result.Error}");
+ }
+
+ public string CreatePartitionedTopic(int numberOfPartitions)
+ {
+ var topic = CreateTopicName();
+ CreatePartitionedTopic(topic, numberOfPartitions);
+ return topic;
+ }
+
public void CreatePartitionedTopic(string topic, int numberOfPartitions)
{
var arguments = $"bin/pulsar-admin topics create-partitioned-topic
{topic} -p {numberOfPartitions}";
diff --git a/tests/DotPulsar.Tests/Internal/ProducerTests.cs
b/tests/DotPulsar.Tests/Internal/ProducerTests.cs
index b238409..cc33a72 100644
--- a/tests/DotPulsar.Tests/Internal/ProducerTests.cs
+++ b/tests/DotPulsar.Tests/Internal/ProducerTests.cs
@@ -38,130 +38,106 @@ public class ProducerTests
}
[Fact]
- public async Task
SimpleProduceConsume_WhenSendingMessagesToProducer_ThenReceiveMessagesFromConsumer()
+ public async Task Send_GivenMessageWasSent_ShouldBeConsumable()
{
//Arrange
const string content = "test-message";
- var topicName = CreateTopicName();
+ var topicName = _fixture.CreateTopic();
await using var client = CreateClient();
await using var producer = CreateProducer(client, topicName);
await using var consumer = CreateConsumer(client, topicName);
//Act
- await producer.Send(content);
+ var messageId = await producer.Send(content);
var message = await consumer.Receive();
//Assert
+ message.MessageId.Should().Be(messageId);
message.Value().Should().Be(content);
}
[Fact]
- public async Task
SimpleProduceConsume_WhenSendingWithChannel_ThenReceiveMessagesFromConsumer()
+ public async Task SendChannel_GivenMessageWasSent_ShouldBeConsumable()
{
//Arrange
const string content = "test-message";
- var topicName = CreateTopicName();
+ var topicName = _fixture.CreateTopic();
await using var client = CreateClient();
await using var producer = CreateProducer(client, topicName);
await using var consumer = CreateConsumer(client, topicName);
- const int msgCount = 3;
+ var messageId = MessageId.Earliest;
- //Act
- for (var i = 0; i < msgCount; i++)
+ ValueTask SetMessageId(MessageId id)
{
- await producer.SendChannel.Send(content);
- _testOutputHelper.WriteLine($"Sent a message: {content}");
+ messageId = id;
+ return ValueTask.CompletedTask;
}
+ //Act
+ await producer.SendChannel.Send(content, SetMessageId);
producer.SendChannel.Complete();
await producer.SendChannel.Completion();
+ var message = await consumer.Receive();
//Assert
- for (ulong i = 0; i < msgCount; i++)
- {
- var received = await consumer.Receive();
- received.SequenceId.Should().Be(i);
- received.Value().Should().Be(content);
- }
+ message.MessageId.Should().Be(messageId);
+ message.Value().Should().Be(content);
}
[Theory]
- [InlineData(ProducerAccessMode.Shared, ProducerState.Connected)]
- [InlineData(ProducerAccessMode.Exclusive, ProducerState.Fenced)]
- [InlineData(ProducerAccessMode.WaitForExclusive,
ProducerState.WaitingForExclusive)]
- public async Task
TwoProducers_WhenConnectingSecond_ThenGoToExpectedState(ProducerAccessMode
accessMode, ProducerState expectedState)
- {
- //Arrange
- var topicName = $"producer-access-mode{Guid.NewGuid():N}";
- var cts = new CancellationTokenSource(TestTimeout);
- await using var client = CreateClient();
-
- //Act
- await using var producer1 = CreateProducer(client, topicName,
accessMode);
- _ = await producer1.OnStateChangeTo(ProducerState.Connected,
cts.Token);
-
- await using var producer2 = CreateProducer(client, topicName,
accessMode);
- var actualState = await producer2.OnStateChangeTo(expectedState,
cts.Token);
-
- //Assert
- actualState.Should().Be(expectedState);
- }
-
- [Fact]
- public async Task
TwoProducers_WhenUsingExclusiveWithFencing_ThenExcludeExisting()
+ [InlineData(ProducerAccessMode.Exclusive, ProducerAccessMode.Exclusive,
ProducerState.Connected, ProducerState.Fenced)]
+ [InlineData(ProducerAccessMode.Exclusive,
ProducerAccessMode.ExclusiveWithFencing, ProducerState.Fenced,
ProducerState.Connected)]
+ [InlineData(ProducerAccessMode.Exclusive,
ProducerAccessMode.WaitForExclusive, ProducerState.Connected,
ProducerState.WaitingForExclusive)]
+ [InlineData(ProducerAccessMode.Exclusive, ProducerAccessMode.Shared,
ProducerState.Connected, ProducerState.Disconnected)] // Rethrow on
ProducerBusy to Fault instead of just Disconnect
+ [InlineData(ProducerAccessMode.ExclusiveWithFencing,
ProducerAccessMode.Exclusive, ProducerState.Connected, ProducerState.Fenced)]
+ [InlineData(ProducerAccessMode.ExclusiveWithFencing,
ProducerAccessMode.ExclusiveWithFencing, ProducerState.Fenced,
ProducerState.Connected)]
+ [InlineData(ProducerAccessMode.ExclusiveWithFencing,
ProducerAccessMode.WaitForExclusive, ProducerState.Connected,
ProducerState.WaitingForExclusive)]
+ [InlineData(ProducerAccessMode.ExclusiveWithFencing,
ProducerAccessMode.Shared, ProducerState.Connected, ProducerState.Disconnected)]
+ [InlineData(ProducerAccessMode.Shared, ProducerAccessMode.Exclusive,
ProducerState.Connected, ProducerState.Fenced)]
+ [InlineData(ProducerAccessMode.Shared,
ProducerAccessMode.ExclusiveWithFencing, ProducerState.Disconnected,
ProducerState.Connected)] // Rethrow on ProducerBusy to Fault instead of just
Disconnect
+ [InlineData(ProducerAccessMode.Shared, ProducerAccessMode.Shared,
ProducerState.Connected, ProducerState.Connected)]
+ [InlineData(ProducerAccessMode.Shared,
ProducerAccessMode.WaitForExclusive, ProducerState.Connected,
ProducerState.WaitingForExclusive)]
+ [InlineData(ProducerAccessMode.WaitForExclusive,
ProducerAccessMode.Exclusive, ProducerState.Connected, ProducerState.Fenced)]
+ [InlineData(ProducerAccessMode.WaitForExclusive,
ProducerAccessMode.ExclusiveWithFencing, ProducerState.Fenced,
ProducerState.Connected)]
+ [InlineData(ProducerAccessMode.WaitForExclusive,
ProducerAccessMode.WaitForExclusive, ProducerState.Connected,
ProducerState.WaitingForExclusive)]
+ [InlineData(ProducerAccessMode.WaitForExclusive,
ProducerAccessMode.Shared, ProducerState.Connected,
ProducerState.Disconnected)] // Rethrow on ProducerBusy to Fault instead of
just Disconnect
+ public async Task
State_GivenMultipleProducersWithDifferentAccessModes_ThenGoToTheExpectedStates(
+ ProducerAccessMode accessModeForProducer1,
+ ProducerAccessMode accessModeForProducer2,
+ ProducerState expectedStateForProducer1,
+ ProducerState expectedStateForProducer2)
{
//Arrange
+ var topicName = _fixture.CreateTopic();
+ using var cts = new CancellationTokenSource(TestTimeout);
await using var client = CreateClient();
- var topicName = CreateTopicName();
- var cts = new CancellationTokenSource(TestTimeout);
-
- await using var producer1 = CreateProducer(client, topicName,
ProducerAccessMode.ExclusiveWithFencing);
+ await using var producer1 = CreateProducer(client, topicName,
accessModeForProducer1);
await producer1.OnStateChangeTo(ProducerState.Connected, cts.Token);
//Act
- await using var producer2 = CreateProducer(client, topicName,
ProducerAccessMode.ExclusiveWithFencing);
- await producer2.OnStateChangeTo(ProducerState.Connected, cts.Token);
+ await using var producer2 = CreateProducer(client, topicName,
accessModeForProducer2);
- try
+ if (accessModeForProducer2 == ProducerAccessMode.ExclusiveWithFencing)
// We need to send a message to trigger the state change
{
- // We need to send a message to trigger the disconnect
- await producer1.Send(topicName, cts.Token);
- }
- catch
- {
- //Ignore
- }
+ await producer2.OnStateChangeTo(ProducerState.Connected,
cts.Token);
- var result = await producer1.OnStateChangeTo(ProducerState.Fenced,
cts.Token);
-
- //Assert
- result.Should().Be(ProducerState.Fenced);
- }
-
- [Theory]
- [InlineData(ProducerAccessMode.Exclusive, ProducerAccessMode.Shared,
ProducerState.Connected, ProducerState.Disconnected)]
- [InlineData(ProducerAccessMode.Shared, ProducerAccessMode.Exclusive,
ProducerState.Connected, ProducerState.Fenced)]
- [InlineData(ProducerAccessMode.Shared,
ProducerAccessMode.WaitForExclusive, ProducerState.Connected,
ProducerState.WaitingForExclusive)]
- [InlineData(ProducerAccessMode.Exclusive,
ProducerAccessMode.WaitForExclusive, ProducerState.Connected,
ProducerState.WaitingForExclusive)]
- public async Task
TwoProducers_WhenUsingDifferentAccessModes_ThenGoToExpectedStates(ProducerAccessMode
accessMode1, ProducerAccessMode accessMode2, ProducerState producerState1,
ProducerState producerState2)
- {
- //Arrange
- var topicName = CreateTopicName();
- var cts = new CancellationTokenSource(TestTimeout);
- await using var client = CreateClient();
-
- await using var producer1 = CreateProducer(client, topicName,
accessMode1);
- await producer1.OnStateChangeTo(ProducerState.Connected, cts.Token);
+ try
+ {
+ await producer1.Send("test", cts.Token);
+ }
+ catch
+ {
+ //Ignore
- //Act
- await using var producer2 = CreateProducer(client, topicName,
accessMode2);
+ }
+ }
- var result1 = await producer1.OnStateChangeTo(producerState1,
cts.Token);
- var result2 = await producer2.OnStateChangeTo(producerState2,
cts.Token);
+ var actualStateForProducer1 = await
producer1.OnStateChangeTo(expectedStateForProducer1, cts.Token);
+ var actualStateForProducer2 = await
producer2.OnStateChangeTo(expectedStateForProducer2, cts.Token);
//Assert
- result1.Should().Be(producerState1);
- result2.Should().Be(producerState2);
+ actualStateForProducer1.Should().Be(expectedStateForProducer1);
+ actualStateForProducer2.Should().Be(expectedStateForProducer2);
}
[Fact]
@@ -171,8 +147,7 @@ public class ProducerTests
const string content = "test-message";
const int partitions = 3;
const int msgCount = 3;
- var topicName = CreateTopicName();
- _fixture.CreatePartitionedTopic(topicName, partitions);
+ var topicName = _fixture.CreatePartitionedTopic(partitions);
await using var client = CreateClient();
//Act
@@ -214,14 +189,11 @@ public class ProducerTests
public async Task
RoundRobinPartition_WhenSendMessages_ThenGetMessagesFromPartitionsInOrder()
{
//Arrange
- await using var client = CreateClient();
-
- var topicName = CreateTopicName();
const string content = "test-message";
const int partitions = 3;
var consumers = new List<IConsumer<string>>();
-
- _fixture.CreatePartitionedTopic(topicName, partitions);
+ await using var client = CreateClient();
+ var topicName = _fixture.CreatePartitionedTopic(partitions);
//Act
await using var producer = CreateProducer(client, topicName);
@@ -245,7 +217,7 @@ public class ProducerTests
{
//Arrange
const int numberOfMessages = 10;
- var topicName = CreateTopicName();
+ var topicName = _fixture.CreateTopic();
await using var client = CreateClient();
await using var consumer = CreateConsumer(client, topicName);
@@ -279,10 +251,7 @@ public class ProducerTests
//Arrange
const int numberOfMessages = 10;
const int partitions = 4;
- var topicName = CreateTopicName();
-
- _fixture.CreatePartitionedTopic(topicName, partitions);
-
+ var topicName = _fixture.CreatePartitionedTopic(partitions);
await using var client = CreateClient();
await using var consumer = CreateConsumer(client, topicName);
await using var producer = CreateProducer(client, topicName);
@@ -346,26 +315,25 @@ public class ProducerTests
private void LogState(ProducerStateChanged stateChange)
=> _testOutputHelper.WriteLine($"The producer for topic
'{stateChange.Producer.Topic}' changed state to '{stateChange.ProducerState}'");
- private static string CreateTopicName() =>
$"persistent://public/default/{Guid.NewGuid():N}";
private static string CreateConsumerName() =>
$"consumer-{Guid.NewGuid():N}";
private static string CreateSubscriptionName() =>
$"subscription-{Guid.NewGuid():N}";
private IProducer<string> CreateProducer(
IPulsarClient pulsarClient,
- string? topicName = null,
+ string topicName,
ProducerAccessMode producerAccessMode = ProducerAccessMode.Shared)
- => pulsarClient.NewProducer(Schema.String)
- .Topic(topicName is null ? CreateTopicName() : topicName)
+ => pulsarClient.NewProducer(Schema.String)
+ .Topic(topicName)
.ProducerAccessMode(producerAccessMode)
.StateChangedHandler(LogState)
.Create();
- private IConsumer<string> CreateConsumer(IPulsarClient pulsarClient,
string? topicName = null)
+ private IConsumer<string> CreateConsumer(IPulsarClient pulsarClient,
string topicName)
=> pulsarClient.NewConsumer(Schema.String)
.ConsumerName(CreateConsumerName())
.InitialPosition(SubscriptionInitialPosition.Earliest)
.SubscriptionName(CreateSubscriptionName())
- .Topic(topicName is null ? CreateTopicName() : topicName)
+ .Topic(topicName)
.StateChangedHandler(LogState)
.Create();
diff --git a/tests/DotPulsar.Tests/Internal/StateManagerTests.cs
b/tests/DotPulsar.Tests/Internal/StateManagerTests.cs
index b1559c6..93bf887 100644
--- a/tests/DotPulsar.Tests/Internal/StateManagerTests.cs
+++ b/tests/DotPulsar.Tests/Internal/StateManagerTests.cs
@@ -36,10 +36,10 @@ public class StateManagerTests
public void SetState_GivenNewState_ShouldReturnFormerState(ProducerState
initialState, ProducerState newState, ProducerState expected)
{
//Arrange
- var sut = new StateManager<ProducerState>(initialState,
ProducerState.Closed);
+ var uut = new StateManager<ProducerState>(initialState,
ProducerState.Closed);
//Act
- var actual = sut.SetState(newState);
+ var actual = uut.SetState(newState);
//Assert
actual.Should().Be(expected);
@@ -52,13 +52,13 @@ public class StateManagerTests
public void SetState_GivenStateIsFinal_ShouldNotChangeState(ProducerState
newState)
{
//Arrange
- var sut = new StateManager<ProducerState>(ProducerState.Closed,
ProducerState.Closed);
+ var uut = new StateManager<ProducerState>(ProducerState.Closed,
ProducerState.Closed);
//Act
- _ = sut.SetState(newState);
+ _ = uut.SetState(newState);
//Assert
- sut.CurrentState.Should().Be(ProducerState.Closed);
+ uut.CurrentState.Should().Be(ProducerState.Closed);
}
[Theory]
@@ -69,11 +69,11 @@ public class StateManagerTests
public void
SetState_GivenStateIsChangedToWanted_ShouldCompleteTask(ProducerState
initialState, ProducerState newState)
{
//Arrange
- var sut = new StateManager<ProducerState>(initialState,
ProducerState.Closed);
- var task = sut.StateChangedTo(newState, default);
+ var uut = new StateManager<ProducerState>(initialState,
ProducerState.Closed);
+ var task = uut.StateChangedTo(newState, default);
//Act
- _ = sut.SetState(newState);
+ _ = uut.SetState(newState);
//Assert
task.IsCompleted.Should().BeTrue();
@@ -87,11 +87,11 @@ public class StateManagerTests
public void
SetState_GivenStateIsChangedFromWanted_ShouldCompleteTask(ProducerState
initialState, ProducerState newState)
{
//Arrange
- var sut = new StateManager<ProducerState>(initialState,
ProducerState.Closed);
- var task = sut.StateChangedFrom(initialState, default);
+ var uut = new StateManager<ProducerState>(initialState,
ProducerState.Closed);
+ var task = uut.StateChangedFrom(initialState, default);
//Act
- _ = sut.SetState(newState);
+ _ = uut.SetState(newState);
//Assert
task.IsCompleted.Should().BeTrue();
@@ -104,10 +104,10 @@ public class StateManagerTests
public void
StateChangedTo_GivenStateIsAlreadyWanted_ShouldCompleteTask(ProducerState state)
{
//Arrange
- var sut = new StateManager<ProducerState>(state, ProducerState.Closed);
+ var uut = new StateManager<ProducerState>(state, ProducerState.Closed);
//Act
- var task = sut.StateChangedTo(state, default);
+ var task = uut.StateChangedTo(state, default);
//Assert
Assert.True(task.IsCompleted);
@@ -121,10 +121,10 @@ public class StateManagerTests
public void
StateChangedTo_GivenStateIsNotWanted_ShouldNotCompleteTask(ProducerState
initialState, ProducerState wantedState)
{
//Arrange
- var sut = new StateManager<ProducerState>(initialState,
ProducerState.Closed);
+ var uut = new StateManager<ProducerState>(initialState,
ProducerState.Closed);
//Act
- var task = sut.StateChangedTo(wantedState, default);
+ var task = uut.StateChangedTo(wantedState, default);
//Assert
task.IsCompleted.Should().BeFalse();
@@ -136,10 +136,10 @@ public class StateManagerTests
public void
StateChangedTo_GivenStateIsFinal_ShouldCompleteTask(ProducerState state)
{
//Arrange
- var sut = new StateManager<ProducerState>(ProducerState.Closed,
ProducerState.Closed);
+ var uut = new StateManager<ProducerState>(ProducerState.Closed,
ProducerState.Closed);
//Act
- var task = sut.StateChangedTo(state, default);
+ var task = uut.StateChangedTo(state, default);
//Assert
task.IsCompleted.Should().BeTrue();
@@ -151,10 +151,10 @@ public class StateManagerTests
public void
StateChangedFrom_GivenStateHasNotChanged_ShouldNotCompleteTask(ProducerState
state)
{
//Arrange
- var sut = new StateManager<ProducerState>(state, ProducerState.Closed);
+ var uut = new StateManager<ProducerState>(state, ProducerState.Closed);
//Act
- var task = sut.StateChangedFrom(state, default);
+ var task = uut.StateChangedFrom(state, default);
//Assert
task.IsCompleted.Should().BeFalse();
@@ -168,10 +168,10 @@ public class StateManagerTests
public void
StateChangedFrom_GivenStateHasChanged_ShouldCompleteTask(ProducerState
initialState, ProducerState fromState)
{
//Arrange
- var sut = new StateManager<ProducerState>(initialState,
ProducerState.Closed);
+ var uut = new StateManager<ProducerState>(initialState,
ProducerState.Closed);
//Act
- var task = sut.StateChangedFrom(fromState, default);
+ var task = uut.StateChangedFrom(fromState, default);
//Assert
task.IsCompleted.Should().BeTrue();
@@ -184,10 +184,10 @@ public class StateManagerTests
public void
StateChangedFrom_GivenStateIsFinal_ShouldCompleteTask(ProducerState state)
{
//Arrange
- var sut = new StateManager<ProducerState>(ProducerState.Closed,
ProducerState.Closed);
+ var uut = new StateManager<ProducerState>(ProducerState.Closed,
ProducerState.Closed);
//Act
- var task = sut.StateChangedFrom(state, default);
+ var task = uut.StateChangedFrom(state, default);
//Assert
task.IsCompleted.Should().BeTrue();
@@ -199,11 +199,11 @@ public class StateManagerTests
public void
SetState_GivenStateIsChangeToFinalState_ShouldCompleteTask(ProducerState
initialState, ProducerState wantedState)
{
//Arrange
- var sut = new StateManager<ProducerState>(initialState,
ProducerState.Closed);
+ var uut = new StateManager<ProducerState>(initialState,
ProducerState.Closed);
//Act
- var task = sut.StateChangedTo(wantedState, default);
- _ = sut.SetState(ProducerState.Closed);
+ var task = uut.StateChangedTo(wantedState, default);
+ _ = uut.SetState(ProducerState.Closed);
//Assert
task.IsCompleted.Should().BeTrue();
@@ -215,32 +215,45 @@ public class StateManagerTests
public void
SetState_GivenStateIsChangedToNotWanted_ShouldNotCompleteTask(ProducerState
initialState, ProducerState newState, ProducerState wantedState)
{
//Arrange
- var sut = new StateManager<ProducerState>(initialState,
ProducerState.Closed);
+ var uut = new StateManager<ProducerState>(initialState,
ProducerState.Closed);
//Act
- var task = sut.StateChangedTo(wantedState, default);
- _ = sut.SetState(newState);
+ var task = uut.StateChangedTo(wantedState, default);
+ _ = uut.SetState(newState);
//Assert
task.IsCompleted.Should().BeFalse();
}
[Fact]
- public async Task CancelToken_GivenTaskWasStillWaiting_ShouldCancelTask()
+ public async Task
Cancellation_WhenTokenIsCanceledWhileWaiting_ShouldThrowException()
{
//Arrange
- var sut = new StateManager<ProducerState>(ProducerState.Connected,
ProducerState.Closed);
- var cts = new CancellationTokenSource();
- var task = sut.StateChangedFrom(ProducerState.Connected, cts.Token);
+ var uut = new StateManager<ProducerState>(ProducerState.Connected,
ProducerState.Closed);
+ using var cts = new CancellationTokenSource();
//Act
+ var task = uut.StateChangedFrom(ProducerState.Connected, cts.Token);
cts.Cancel();
var exception = await Record.ExceptionAsync(() => task.AsTask()); //
xUnit can't record ValueTask yet
//Assert
exception.Should().BeOfType<TaskCanceledException>();
+ }
+
+ [Fact]
+ public async Task Cancellation_GivenCanceledToken_ShouldThrowException()
+ {
+ //Arrange
+ var uut = new StateManager<ProducerState>(ProducerState.Connected,
ProducerState.Closed);
+ using var cts = new CancellationTokenSource();
- //Annihilate
- cts.Dispose();
+ //Act
+ cts.Cancel();
+ var task = uut.StateChangedFrom(ProducerState.Connected, cts.Token);
+ var exception = await Record.ExceptionAsync(() => task.AsTask()); //
xUnit can't record ValueTask yet
+
+ //Assert
+ exception.Should().BeOfType<TaskCanceledException>();
}
}
