public void SaveScript_Test()
{
//Arrange
var stubFactory = new Mock <IPrompterDbContextFactory>();
var dummyContext = new Mock <IPrompterDbContext>();
stubFactory.Setup(f => f.Create())
.Returns(dummyContext.Object);
var dummyScript = new Mock <Script>();
//Act
var service = new ScriptService(stubFactory.Object);
service.SaveScript(dummyScript.Object);
//Assert
stubFactory.Verify(f => f.Create(), Times.Exactly(1));
dummyContext.Verify(c => c.Attach(dummyScript.Object)
, Times.Exactly(1));
dummyContext.Verify(c => c.SaveChanges()
, Times.Exactly(1));
}