public void ThrowArgumentNullException_WhenParserUserViewModelParameterIsNull()
{
// Arrange
var parserUserDataProvider = new Mock <IParserUserDataProvider>();
var entityFrameworkTransactionFactory = new Mock <IEntityFrameworkTransactionFactory>();
var createParserUserService = new CreateParserUserService(parserUserDataProvider.Object, entityFrameworkTransactionFactory.Object);
ParserUserViewModel model = null;
// Act & Assert
Assert.That(
() => createParserUserService.CreateParserUser(model),
Throws.InstanceOf <ArgumentNullException>().With.Message.Contains(nameof(ParserUserViewModel)));
}
public void ReturnCorrectParserUserViewModelInstance()
{
// Arrange
var parserUserDataProvider = new Mock <IParserUserDataProvider>();
var entityFrameworkTransactionFactory = new Mock <IEntityFrameworkTransactionFactory>();
var transaction = new Mock <IEntityFrameworkTransaction>();
entityFrameworkTransactionFactory.Setup(f => f.CreateEntityFrameworkTransaction()).Returns(transaction.Object);
var createParserUserService = new CreateParserUserService(parserUserDataProvider.Object, entityFrameworkTransactionFactory.Object);
var model = new ParserUserViewModel();
// Act
var actualReturnedParserUserViewModelInstance = createParserUserService.CreateParserUser(model);
// Assert
Assert.That(actualReturnedParserUserViewModelInstance, Is.SameAs(model));
}
public void InvokeIEntityFrameworkTransaction_SaveChangesMethodOnce()
{
// Arrange
var parserUserDataProvider = new Mock <IParserUserDataProvider>();
var entityFrameworkTransactionFactory = new Mock <IEntityFrameworkTransactionFactory>();
var transaction = new Mock <IEntityFrameworkTransaction>();
entityFrameworkTransactionFactory.Setup(f => f.CreateEntityFrameworkTransaction()).Returns(transaction.Object);
var createParserUserService = new CreateParserUserService(parserUserDataProvider.Object, entityFrameworkTransactionFactory.Object);
var model = new ParserUserViewModel();
// Act
createParserUserService.CreateParserUser(model);
// Assert
transaction.Verify(t => t.SaveChanges(), Times.Once);
}