public void Repository_Create_ThrowsException_WhenAlreadyExists(Mock <DbSet <TimeEntry> > dbSet,
Mock <TimeTrackerDbContext> dbContext,
List <TimeEntry> fakeTimeEntries,
int userId,
DateTime entryDate)
{
// Arrange
fakeTimeEntries.Add(new TimeEntry(userId, entryDate.Date));
dbSet.SetupData(fakeTimeEntries);
dbContext.Setup(moq => moq.TimeEntries).Returns(dbSet.Object);
var sut = new TimeTrackerRepository(dbContext.Object);
// Act
Action act = () => sut.Create(userId, entryDate);
// Assert
act.Should().Throw <Exception>("because time entry already exists").And.Message.Contains("TimeEntry already exists");
}
public void Repository_Create_Success(Mock <DbSet <TimeEntry> > dbSet,
Mock <TimeTrackerDbContext> dbContext,
List <TimeEntry> fakeTimeEntries,
int userId,
DateTime entryDate)
{
// Arrange
int initialDbSetCount = fakeTimeEntries.Count();
dbSet.SetupData(fakeTimeEntries);
dbContext.Setup(moq => moq.TimeEntries).Returns(dbSet.Object);
var sut = new TimeTrackerRepository(dbContext.Object);
// Act
var response = sut.Create(userId, entryDate);
// Assert
response.Id.Should().NotBeEmpty("because Id is autoset");
response.UserId.Should().Be(userId, "because it is passed as an input");
response.EntryDate.Should().Be(entryDate.Date, "because it is passed as an input");
dbContext.Object.TimeEntries.Count().Should().Be(initialDbSetCount + 1, "because a new item is added to the collection");
}