void GetDefaultPoem_VerifyCorrectSpecificationIsUsed()
{
//Arrange
var mockRepository = new Mock <IEntityRepository <Poem> >();
mockRepository.Setup(r => r.GetBySpec(It.IsAny <GetDefaultPoemSpec>()));
//Act
var service = new RetrievePoemService(mockRepository.Object);
var testResult = service.GetDefaultPoem();
//Assert
mockRepository.Verify(r => r.GetBySpec(It.IsAny <GetDefaultPoemSpec>()));
}
void GetDefaultPoem_RepositoryReturnsNull_ExpectEmptyPoemDTO()
{
//Arrange
var mockRepository = new Mock <IEntityRepository <Poem> >();
mockRepository.Setup(r => r.GetBySpec(It.IsAny <GetDefaultPoemSpec>()))
.Returns((Poem)null);
//Act
var service = new RetrievePoemService(mockRepository.Object);
var testResult = service.GetDefaultPoem();
//Assert
Assert.NotNull(testResult);
}
void GetDefaultPoem_RepositoryReturnsValidPoem_ExpectPoemDTOIsSetCorrectly()
{
//Arrange
var poem = new PoemBuilder().Default().Build();
poem.PublishedRevision = poem.PoemRevisions.FirstOrDefault();
var mockRepository = new Mock <IEntityRepository <Poem> >();
mockRepository.Setup(r => r.GetBySpec(It.IsAny <GetDefaultPoemSpec>()))
.Returns(poem);
//Act
var service = new RetrievePoemService(mockRepository.Object);
var testResult = service.GetDefaultPoem();
//Assert
Assert.Equal(poem.Id, testResult.Id);
Assert.Equal(poem.PublishedRevision.Title, testResult.Title);
Assert.Equal(poem.PublishedRevision.Body, testResult.Body);
}