public void when_publishing_cancelled_it_should_report_about_it()
{
var producer = new TestProducer <int, byte[]>(new ProducerConfig(), new Dictionary <string, object>());
var sut = new DefaultApiProducer <int, byte[]>(
producer,
Mock.Of <IHeaderValueCodec>(),
Mock.Of <ILogger <DefaultApiProducer <int, byte[]> > >());
var cancelledToken = new CancellationToken(canceled: true);
var context = new MessagePublishingContext
{
Key = 555,
Payload = Encoding.UTF8.GetBytes("payload"),
Api = Mock.Of <IEgressApi>(),
Metadata = new Dictionary <string, string> {
{ "Type", "Message1" }
},
QueueNames = new[] { "commands1", "audit2" },
Broker = Mock.Of <IMessageBroker>()
};
var publish = sut.Publish(context, cancelledToken);
publish.IsCanceled.Should().BeTrue("publishing was cancelled");
}
public void when_publish_with_invalid_arguments_it_should_fail()
{
var apiProducer = new DefaultApiProducer <string, string>(
Mock.Of <IProducer <string, string> >(),
Mock.Of <IHeaderValueCodec>(),
Mock.Of <ILogger <DefaultApiProducer <string, string> > >());
// ReSharper disable once AssignNullToNotNullAttribute
Func <Task> sut = () => apiProducer.Publish(context: null, CancellationToken.None);
sut.Should().ThrowExactly <ArgumentNullException>("null is not valid context");
}
public async Task when_publishing_to_properly_initialized_driver_it_should_publish_messages_and_log()
{
var container = new Container().AddLogging(_testOutput);
const string brokerId = "broker-1";
var brokerMock = new Mock <IMessageBroker>();
brokerMock.SetupGet(broker => broker.Id).Returns(brokerId);
var producer = new TestProducer <int, byte[]>(new ProducerConfig(), new Dictionary <string, object>());
const int key = 555;
const string topic1 = "commands1";
const string topic2 = "audit2";
var context = new MessagePublishingContext
{
Key = key,
Payload = Encoding.UTF8.GetBytes("payload"),
Api = Mock.Of <IEgressApi>(),
Metadata = new Dictionary <string, string> {
{ "Type", "Message1" }
},
QueueNames = new[] { topic1, topic2 },
Broker = brokerMock.Object
};
var apiProducer = new DefaultApiProducer <int, byte[]>(
producer,
Mock.Of <IHeaderValueCodec>(),
container.GetInstance <ILogger <DefaultApiProducer <int, byte[]> > >());
await apiProducer.Publish(context, CancellationToken.None);
InMemorySink.Instance.LogEvents.Should().HaveCount(2 * 2, "message was published to 2 topics");
InMemorySink.Instance.LogEvents.ElementAt(index: 0).RenderMessage().Should().Contain("Publishing")
.And.Contain(key.ToString())
.And.Contain(topic1)
.And.Contain(brokerId);
InMemorySink.Instance.LogEvents.ElementAt(index: 1).RenderMessage().Should().Contain("Successfully")
.And.Contain(key.ToString())
.And.Contain(topic1)
.And.Contain(brokerId);
InMemorySink.Instance.LogEvents.ElementAt(index: 2).RenderMessage().Should().Contain("Publishing")
.And.Contain(key.ToString())
.And.Contain(topic2)
.And.Contain(brokerId);
InMemorySink.Instance.LogEvents.ElementAt(index: 3).RenderMessage().Should().Contain("Successfully")
.And.Contain(key.ToString())
.And.Contain(topic2)
.And.Contain(brokerId);
}
public void when_publishing_and_error_happens_it_should_log_error_and_fail()
{
var container = new Container().AddLogging(_testOutput);
const string brokerId = "broker-1";
var brokerMock = new Mock <IMessageBroker>();
brokerMock.SetupGet(broker => broker.Id).Returns(brokerId);
var producer = new TestProducer <int, byte[]>(
new ProducerConfig(),
new Dictionary <string, object>(),
new IOException());
const int key = 555;
const string topic1 = "commands1";
const string topic2 = "audit2";
var context = new MessagePublishingContext
{
Key = key,
Payload = Encoding.UTF8.GetBytes("payload"),
Api = Mock.Of <IEgressApi>(),
Metadata = new Dictionary <string, string> {
{ "Type", "Message1" }
},
QueueNames = new[] { topic1, topic2 },
Broker = brokerMock.Object
};
var apiProducer = new DefaultApiProducer <int, byte[]>(
producer,
Mock.Of <IHeaderValueCodec>(),
container.GetInstance <ILogger <DefaultApiProducer <int, byte[]> > >());
Func <Task> sut = () => apiProducer.Publish(context, CancellationToken.None);
sut.Should().ThrowExactly <IOException>("should fail if publishing failed");
InMemorySink.Instance.LogEvents.Should().HaveCount(2 * 2, "message publishing failed in both topics");
InMemorySink.Instance.LogEvents.ElementAt(index: 0).RenderMessage().Should().Contain("Publishing")
.And.Contain(key.ToString())
.And.Contain(topic1)
.And.Contain(brokerId);
InMemorySink.Instance.LogEvents.ElementAt(index: 1).RenderMessage().Should().Contain("Failed")
.And.Contain(key.ToString())
.And.Contain(topic1)
.And.Contain(brokerId);
}
public async Task when_publishing_to_properly_initialized_driver_it_should_publish_message_to_producer()
{
var container = new Container().AddLogging(_testOutput);
var publishedMessages = new Dictionary <string, Message <int, byte[]> >();
var producerMock = new Mock <IProducer <int, byte[]> >();
producerMock
.Setup(
producer => producer.ProduceAsync(
It.IsAny <string>(),
It.IsAny <Message <int, byte[]> >(),
CancellationToken.None))
.Callback(
(
string topic,
Message <int, byte[]> message,
CancellationToken token) => publishedMessages.Add(topic, message))
.Returns(() => Task.FromResult(new DeliveryResult <int, byte[]>()));
var apiProducer = new DefaultApiProducer <int, byte[]>(
producerMock.Object,
new Utf8ByteStringHeaderValueCodec(),
container.GetInstance <ILogger <DefaultApiProducer <int, byte[]> > >());
const int key = 555;
var payload = Encoding.UTF8.GetBytes("payload");
const string headerKey = "Type";
const string headerValue = "Message1";
const string topic1 = "commands1";
const string topic2 = "audit2";
var context = new MessagePublishingContext
{
Key = key,
Payload = payload,
Api = Mock.Of <IEgressApi>(),
Metadata = new Dictionary <string, string> {
{ headerKey, headerValue }
},
QueueNames = new[] { topic1, topic2 },
Broker = Mock.Of <IMessageBroker>()
};
await apiProducer.Publish(context, CancellationToken.None);
publishedMessages.Should().HaveCount(expected: 2, "published 1 message to 2 topics");
publishedMessages.ElementAt(index: 0).Key.Should().Be(topic1, "should publish to topics in order of occurrence");
publishedMessages.ElementAt(index: 0).Value.As <Message <int, byte[]> >().Key.Should().Be(key, "key should have expected value");
publishedMessages.ElementAt(index: 0).Value.As <Message <int, byte[]> >().Value.Should()
.Equal(payload, "payload should have expected value");
var header = publishedMessages.ElementAt(index: 0).Value.As <Message <int, byte[]> >().Headers.Single();
header.Key.Should().Be(headerKey, "single header should have expected value");
header.GetValueBytes().Should().Equal(Encoding.UTF8.GetBytes(headerValue), "single header should have expected value");
publishedMessages.ElementAt(index: 1).Key.Should().Be(topic2, "should publish to topics in order of occurrence");
publishedMessages.ElementAt(index: 1).Value.As <Message <int, byte[]> >().Key.Should().Be(key, "key should have expected value");
publishedMessages.ElementAt(index: 1).Value.As <Message <int, byte[]> >().Value.Should()
.Equal(payload, "payload should have expected value");
header = publishedMessages.ElementAt(index: 1).Value.As <Message <int, byte[]> >().Headers.Single();
header.Key.Should().Be(headerKey, "single header should have expected value");
header.GetValueBytes().Should().Equal(Encoding.UTF8.GetBytes(headerValue), "single header should have expected value");
}
public void when_publishing_with_invalid_context_content_it_should_fail()
{
var apiProducer = new DefaultApiProducer <string, string>(
Mock.Of <IProducer <string, string> >(),
Mock.Of <IHeaderValueCodec>(),
Mock.Of <ILogger <DefaultApiProducer <string, string> > >());
const int key = 555;
var payload = Encoding.UTF8.GetBytes("payload");
var metadata = new Dictionary <string, string> {
{ "Type", "Message1" }
};
var queueNames = new[] { "commands1", "audit2" };
var broker = Mock.Of <IMessageBroker>();
var api = Mock.Of <IEgressApi>();
var context = new MessagePublishingContext
{
Key = key,
Payload = payload,
Api = api,
Metadata = metadata,
QueueNames = queueNames,
Broker = broker
};
Func <Task> sut = () => apiProducer.Publish(context, CancellationToken.None);
context.Metadata = null;
sut.Should().ThrowExactly <PoezdOperationException>().Where(
exception => exception.Message.Contains("metadata", StringComparison.InvariantCultureIgnoreCase),
"null is an invalid metadata");
context.Metadata = metadata;
context.QueueNames = null;
sut.Should().ThrowExactly <PoezdOperationException>().Where(
exception => exception.Message.Contains("queueNames", StringComparison.InvariantCultureIgnoreCase),
"null is an invalid queue names");
context.QueueNames = queueNames;
context.Key = null;
sut.Should().ThrowExactly <PoezdOperationException>().Where(
exception => exception.Message.Contains("key", StringComparison.InvariantCultureIgnoreCase),
"null is an invalid key");
context.Key = key;
context.Payload = null;
sut.Should().ThrowExactly <PoezdOperationException>().Where(
exception => exception.Message.Contains("payload", StringComparison.InvariantCultureIgnoreCase),
"null is an invalid payload");
context.Payload = payload;
context.Broker = null;
sut.Should().ThrowExactly <PoezdOperationException>().Where(
exception => exception.Message.Contains("broker", StringComparison.InvariantCultureIgnoreCase),
"null is an invalid broker");
context.Broker = broker;
context.Api = null;
sut.Should().ThrowExactly <PoezdOperationException>().Where(
exception => exception.Message.Contains("API", StringComparison.InvariantCultureIgnoreCase),
"null is an invalid API");
}