public void ThrowArgumentNullExceptionWhenSubmissionIsNull()
{
// Arrange
var mockedRepository = new Mock <IDbRepository <TopicSubmission> >();
var mockedIdentifier = new Mock <IIdentifierProvider>();
var topicSubmissionService = new TopicSubmissionsService(mockedRepository.Object, mockedIdentifier.Object);
var mockedTopicSubmission = (TopicSubmission)null;
// Act & Arrange
Assert.Throws <ArgumentNullException>(() => topicSubmissionService.Add(mockedTopicSubmission));
}
public void ThrowArgumentNullExceptionWithMessageThatShouldNotBeBullWhenSubmissionIsNull()
{
// Arrange
var mockedRepository = new Mock <IDbRepository <TopicSubmission> >();
var mockedIdentifier = new Mock <IIdentifierProvider>();
var topicSubmissionService = new TopicSubmissionsService(mockedRepository.Object, mockedIdentifier.Object);
var mockedTopicSubmission = (TopicSubmission)null;
// Act & Arrange
var exc = Assert.Throws <ArgumentNullException>(() => topicSubmissionService.Add(mockedTopicSubmission));
StringAssert.Contains("should not be null", exc.Message);
}
public void CallSaveMethodOnDbRepositoryOnlyOnce()
{
// Arrange
var mockedRepository = new Mock <IDbRepository <TopicSubmission> >();
var mockedIdentifier = new Mock <IIdentifierProvider>();
var topicSubmissionService = new TopicSubmissionsService(mockedRepository.Object, mockedIdentifier.Object);
var mockedTopicSubmission = new Mock <TopicSubmission>();
// Act
topicSubmissionService.Add(mockedTopicSubmission.Object);
// Assert
mockedRepository.Verify(m => m.Save(), Times.Once);
}