public async Task Publish_TopicMapNotDefined_ThrowsInvalidOperation(
string message,
[Frozen] IMessageTypeTopicMap messageTypeTopicMap,
SerializedMessagePublisher sut)
{
messageTypeTopicMap.Get(message.GetType()).ReturnsNull();
var ex = await Assert.ThrowsAsync <InvalidOperationException>(() => sut.Publish(message, None));
Assert.Equal($"Message type {message.GetType()} is not registered with: {messageTypeTopicMap.GetType()}.",
ex.Message);
}
public async Task Publish_SerializerReturnsNull_ThrowsInvalidOperation(
string topic,
string message,
[Frozen] IMessageTypeTopicMap messageTypeTopicMap,
[Frozen] ISerializer serializer,
SerializedMessagePublisher sut)
{
var messageType = GetType();
messageTypeTopicMap.Get(topic).Returns(messageType);
serializer.Serialize(message).ReturnsNull();
var ex = await Assert.ThrowsAsync <InvalidOperationException>(() => sut.Publish(message, None));
Assert.Equal(
$"Serializer {serializer.GetType()} returned null for message of type {message.GetType()}.",
ex.Message);
}
public async Task Publish_SerializedMessage_CallsRawPublisher(
string topic,
bool message,
byte[] serializedMessage,
[Frozen] IRawMessagePublisher rawMessagePublisher,
[Frozen] IMessageTypeTopicMap messageTypeTopicMap,
[Frozen] ISerializer serializer,
SerializedMessagePublisher sut)
{
// Arrange
var messageType = message.GetType();
messageTypeTopicMap.Get(messageType).Returns(topic);
serializer.Serialize(message).Returns(serializedMessage);
// Act
await sut.Publish(message, None);
// Assert
await rawMessagePublisher.Received().Publish(topic, serializedMessage, None);
}
public async Task Publish_NullMessage_ThrowsArgumentNull(SerializedMessagePublisher sut)
{
var ex = await Assert.ThrowsAsync <ArgumentNullException>(() => sut.Publish(null as object, None));
Assert.Equal("message", ex.ParamName);
}
