public void FarmTest()
{
Farm farm = new Farm(1, 2);
Builder builder = (Builder)UnitFactory.CreateUnit(typeof(Builder));
Farmer farmer = (Farmer)UnitFactory.CreateUnit(typeof(Farmer));
Assert.False(farm.AbleToFunction);
Assert.Equal(2, farm.BuildingTime);
Assert.Equal(0, farm.BuildProgress);
Assert.Equal(0, farm.CurrentCapacity);
Assert.Equal(1, farm.MaxCapacity);
Assert.Equal(0, farm.CurrentConstructionUnitCount);
Assert.Single(farm.UnitTypes);
Assert.Single(farm.UnitTypes.Where(u => u == typeof(Farmer)));
farm.DoBuildProcess();
Assert.Equal(0, farm.BuildProgress);
farm.AddConstructionUnit(builder);
Assert.Equal(1, farm.CurrentConstructionUnitCount);
farm.DoBuildProcess();
Assert.Equal(1, farm.BuildProgress);
Assert.False(farm.AbleToFunction);
farm.DoBuildProcess();
Assert.Equal(2, farm.BuildProgress);
Assert.True(farm.AbleToFunction);
farm.AssignUnit(farmer);
Assert.Equal(1, farm.CurrentCapacity);
var resources = farm.DoWork();
Assert.NotNull(resources);
Assert.Empty(resources);
farm.AddInput(new ResourceAmount("cow", 3));
resources = farm.DoWork();
Assert.Equal(2, resources.Count);
Assert.Single(resources.Where(r => r.Type == "meat"));
Assert.Single(resources.Where(r => r.Type == "meat" && r.Amount == 6)); //3 cow -> 2*3
Assert.Single(resources.Where(r => r.Type == "milk"));
Assert.Single(resources.Where(r => r.Type == "milk" && r.Amount == 6));
resources = farm.DoWork();
Assert.NotNull(resources);
Assert.Empty(resources);
farm.AddInput(new ResourceAmount("cow", 2));
farm.RemoveInput(new ResourceAmount("cow", 2));
Assert.NotNull(resources);
Assert.Empty(resources);
farm.AddInput(new ResourceAmount("cow", 2));
farm.RemoveInput(new ResourceAmount("cow", 1));
resources = farm.DoWork();
Assert.Equal(2, resources.Count);
Assert.Single(resources.Where(r => r.Type == "meat"));
Assert.Single(resources.Where(r => r.Type == "meat" && r.Amount == 2));
Assert.Single(resources.Where(r => r.Type == "milk"));
Assert.Single(resources.Where(r => r.Type == "milk" && r.Amount == 2));
}