public void GetContractorByNip()
{
Mock<IContractorRepository> mock = new Mock<IContractorRepository>();
mock.Setup(a => a.Contractors).Returns(new Contractor[]
{
new Contractor { id = 1, nip = 111111 },
new Contractor { id = 2, nip = 222222 },
new Contractor { id = 3, nip = 333333 },
new Contractor { id = 4, nip = 444444 },
new Contractor { id = 5, nip = 555555 },
new Contractor { id = 6, nip = 666666 }
}.AsQueryable());
ContractorController ctrl = new ContractorController(mock.Object);
Contractor temp = ctrl.GetContractorByNip(444444);
Assert.IsNotNull(temp);
Assert.AreEqual(temp.id, 4);
temp = ctrl.GetContractorByNip(888888);
Assert.IsNull(temp);
}
