public void testFindById()
{
repository.deleteAll();
repository.save(new Powder("a")); // id would be generate by database
Optional <Powder> powder = repository.findByPowderName("a"); // get id by powder name, suppose that find by powder name works
Optional <Powder> p2 = repository.findById(powder.get().Id);
// check id is equal or not
Assert.AreEqual(powder.get().PowderName, p2.get().PowderName);
repository.deleteAll();
Assert.IsFalse(repository.findById(powder.get().Id).isPresent());
}
public Dictionary <string, double> findPowders(string customer, string glass)
{
Dictionary <string, double> res = new Dictionary <string, double>();
grRepository.findByCustomerAndGlass(customer, glass)
.ForEach(gr =>
{
Optional <Powder> powder = powderRepository.findById(gr.PowderId);
if (powder.isPresent())
{
res.Add(powder.get().PowderName, gr.Weight);
}
});
return(res);
}