public void Attach_WhenObjectIsNull_ThrowsArgumentNullException()
{
var contextRepo = new ContextRepository <IAuditedContext>(It.IsAny <IAuditedContext>(), It.IsAny <ILogger <IAuditedContext> >());
var exception = Assert.Throws <ArgumentNullException>(() => contextRepo.Attach <object>(null));
Assert.AreEqual("Value cannot be null. (Parameter 'entity')", exception.Message);
}
public void Attach_WhenAttachingObject_VerifyDbSetAttachIsCalled()
{
var @object = new object();
var mockContext = new Mock <IAuditedContext>();
var mockDbSet = new Mock <DbSet <object> >();
mockContext.Setup(a => a.Set <object>()).Returns(mockDbSet.Object);
var repository = new ContextRepository <IAuditedContext>(mockContext.Object, It.IsAny <ILogger <IAuditedContext> >());
repository.Attach(@object);
Assert.Multiple(() =>
{
mockDbSet.Verify(a => a.Attach(@object), Times.Once);
mockContext.Verify(c => c.SaveChangesAsync(It.IsAny <CancellationToken>()), Times.Never, "Context should never saved.");
});
}