public void GetMessage_WithId_ReturnsSentMessage()
{
// Arrange
Guid id = Guid.NewGuid();
RestResource resource = new MessageHeadersResource(id);
RestResponse response = new RestResponse()
{
StatusCode = HttpStatusCode.OK,
Content = "serialisedItem"
};
InboxMessage expectedResult = new InboxMessage();
mockRestClient
.Setup(rc => rc.Get(resource))
.Returns(response);
mockSerialiser
.Setup(s => s.Deserialise <InboxMessage>(response.Content))
.Returns(expectedResult);
// Act
InboxMessage actualResult = service.GetMessage(id);
// Assert
Assert.AreEqual(expectedResult, actualResult);
}