public void testFindAll()
{
repository.deleteAll();
repository.save(new Powder("a"));
repository.save(new Powder("b"));
List <Powder> res = repository.findAll();
Assert.AreEqual(2, res.Count);
Assert.AreEqual("a", res[0].PowderName);
Assert.AreEqual("b", res[1].PowderName);
repository.deleteAll();
res = repository.findAll();
Assert.AreEqual(0, res.Count);
}
public List <Powder> findPowders()
{
return(powderRepository.findAll());
}