public void EjectQuarter_WithQuarters_ShouldReturnAllQuarters()
{
var gm = new GumballMachineContext(5);
gm.InsertQuarter();
gm.InsertQuarter();
gm.InsertQuarter();
Assert.AreEqual((uint)3, gm.GetQuartersCount());
sb.Remove(0, sb.Length);
gm.EjectQuarter();
Assert.AreEqual((uint)0, gm.GetQuartersCount());
Assert.AreEqual("Quarters returned\r\n", sw.ToString());
}
public void InsertQuarter_WithQuarter_ShouldInsertQuarter_And_PrintInfo()
{
var gm = new GumballMachineContext(3);
gm.InsertQuarter();
Assert.AreEqual((uint)1, gm.GetQuartersCount());
Assert.AreEqual("You inserted a quarter. Quarters count: 1\r\n", sw.ToString());
}
public void EjectQuarter_InSoldOutState_ShouldReturnAllQuarters()
{
var gm = new GumballMachineContext(1);
gm.InsertQuarter();
gm.InsertQuarter();
gm.InsertQuarter();
Assert.AreEqual((uint)3, gm.GetQuartersCount());
gm.TurnCrank();
Assert.AreEqual(GetGumballMachineString(0, "sold out"), gm.ToString());
sb.Remove(0, sb.Length);
gm.EjectQuarter();
Assert.AreEqual((uint)0, gm.GetQuartersCount());
Assert.AreEqual("Quarters returned\r\n", sw.ToString());
}
public void TurnCrank_And_InsertExtraQuarters_ShouldNotChangeGMState()
{
var gm = new GumballMachineContext(5);
gm.InsertQuarter();
gm.InsertQuarter();
gm.InsertQuarter();
Assert.AreEqual((uint)3, gm.GetQuartersCount());
gm.TurnCrank();
gm.TurnCrank();
Assert.AreEqual((uint)1, gm.GetQuartersCount());
Assert.AreEqual((uint)3, gm.GetBallCount());
gm.InsertQuarter();
Assert.AreEqual((uint)2, gm.GetQuartersCount());
Assert.AreEqual(GetGumballMachineString(3, "waiting for turn of crank"), gm.ToString());
}
public void InsertQuarter_WithFiveQuarters_ShouldChangeGMStateToMaxQuarterState()
{
var gm = new GumballMachineContext(3);
gm.InsertQuarter();
gm.InsertQuarter();
gm.InsertQuarter();
gm.InsertQuarter();
gm.InsertQuarter();
Assert.AreEqual((uint)5, gm.GetQuartersCount());
Assert.AreEqual(GetGumballMachineString(3, "at the max quarters quantity, waiting for turn of crank"), gm.ToString());
}
public void Refill_InHasQuarterState_ShouldRefill_And_NotLostQuarters()
{
var gm = new GumballMachineContext(2);
gm.InsertQuarter();
gm.InsertQuarter();
Assert.AreEqual(GetGumballMachineString(2, "waiting for turn of crank"), gm.ToString());
sb.Remove(0, sb.Length);
gm.Refill(2);
Assert.AreEqual((uint)4, gm.GetBallCount());
Assert.AreEqual((uint)2, gm.GetQuartersCount());
Assert.AreEqual("Gumballs refilled. Gumballs count: 4\r\n", sw.ToString());
}
public void InsertQuarter_WithMoreThanFiveQuarters_ShouldChangeGMStateToMaxQuarterState()
{
var gm = new GumballMachineContext(3);
gm.InsertQuarter();
gm.InsertQuarter();
gm.InsertQuarter();
gm.InsertQuarter();
gm.InsertQuarter();
sb.Remove(0, sb.Length);
gm.InsertQuarter();
Assert.AreEqual((uint)5, gm.GetQuartersCount());
Assert.AreEqual("You can't insert another quarter. Max quarters quantity is 5\r\n", sw.ToString());
Assert.AreEqual(GetGumballMachineString(3, "at the max quarters quantity, waiting for turn of crank"), gm.ToString());
}
