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\section{Test of Controller}
\begin{vdm_al}
------------------------------------------------
-- Class: TestController
-- Description: Test the Controller class
-----------------------------------------------
--
-- class definition
--
class TestController is subclass of TestCase
--
-- instance variables
--
instance variables
private pos : Position;
--
-- Operations definition section
--
operations
public TestController: seq of char ==> TestController
TestController(s) ==
(
TestCase(s);
);
protected SetUp: () ==> ()
SetUp () == pos := new Position(1,1);
protected RunTest: () ==> ()
RunTest () ==
(
dcl vec : Vehicle := new Vehicle(2, pos, 1, <NORTH>),
ctrl : Controller := new Controller(vec),
vec2 : Vehicle := new Vehicle(3, pos.deepCopy(), 1, <NORTH>),
ctrl2 : Controller := new Controller(vec2),
vec3 : Vehicle := new Vehicle(4, pos.deepCopy(), 1, <NORTH>),
ctrl3 : Controller := new Controller(vec3);
AssertTrue(ctrl.getVehicle() = vec);
AssertTrue(ctrl.GetDirection() = <NORTH>);
AssertTrue(ctrl.GetVehicleID() = 2);
AssertTrue(ctrl.GetPosition().X() = pos.X());
AssertTrue(ctrl.GetPosition().Y() = pos.Y());
--test get traffic data
vec.setLowGrip(true);
vec.setTurnIndicator(<LEFT>);
ctrl.Step();
let vs = ctrl.GetTrafficData() in
(
let v = vs(1) in
(
AssertTrue(v.GetPosition().X() = 1);
AssertTrue(v.GetPosition().Y() = 2);
AssertTrue(v.GetMessage() = <LowGrip>);
AssertTrue(v.GetDirection() = <NORTH>);
);
let v = vs(2) in
(
AssertTrue(v.GetPosition().X() = 1);
AssertTrue(v.GetPosition().Y() = 2);
AssertTrue(v.GetMessage() = <LeftTurn>);
AssertTrue(v.GetDirection() = <NORTH>);
)
);
vec.SetSpeed(0);
vec.setTurnIndicator(<LEFT>);
ctrl.Step();
let vs = ctrl.GetTrafficData() in
(
let v = vs(1) in
(
AssertTrue(v.GetPosition().X() = 1);
AssertTrue(v.GetPosition().Y() = 2);
AssertTrue(v.GetMessage() = <LowGrip>);
AssertTrue(v.GetDirection() = <NORTH>);
);
let v = vs(2) in
(
AssertTrue(v.GetPosition().X() = 1);
AssertTrue(v.GetPosition().Y() = 2);
AssertTrue(v.GetMessage() = <LeftTurn>);
AssertTrue(v.GetDirection() = <NORTH>);
)
);
ctrl.AddOncomingVehicle(ctrl2.getVehicleDTO());
ctrl.AddOncomingVehicle(ctrl3.getVehicleDTO());
ctrl.Step();
let vs = ctrl.GetTrafficData() in
let v = vs(3) in
(
AssertTrue(v.GetMessage() = <Congestion>);
);
-- --test add of traffic data. Test that adding loops when more than five
ctrl.AddTrafficData(21, [new TrafficData(<Congestion>, pos , <NORTH>)]);
ctrl.AddTrafficData(22, [new TrafficData(<Congestion>, pos , <NORTH>)]);
ctrl.AddTrafficData(23, [new TrafficData(<Congestion>, pos , <NORTH>)]);
ctrl.AddTrafficData(24, [new TrafficData(<Congestion>, pos , <NORTH>)]);
ctrl.AddTrafficData(25, [new TrafficData(<Congestion>, pos , <NORTH>)]);
ctrl.AddTrafficData(26, [new TrafficData(<LeftTurn>, pos , <NORTH>)]);
--test that the same vehicle can't communicate until pass threshold.
ctrl.AddTrafficData(31, [new TrafficData(<Congestion>, pos , <NORTH>)]);
ctrl.AddTrafficData(32, [new TrafficData(<Congestion>, pos , <NORTH>)]);
ctrl.AddTrafficData(33, [new TrafficData(<Congestion>, pos , <NORTH>)]);
ctrl.AddTrafficData(34, [new TrafficData(<Congestion>, pos , <NORTH>)]);
ctrl.AddTrafficData(31, [new TrafficData(<LeftTurn>, pos , <NORTH>)]);
ctrl.AddTrafficData(35, [new TrafficData(<Congestion>, pos , <NORTH>)]);
ctrl.AddTrafficData(31, [new TrafficData(<LeftTurn>, pos , <NORTH>)]);
-- actually this can't be automatically tested.
-- The added data is internal only. The test can only be verified
-- by checking the handled events in environment.
);
protected TearDown: () ==> ()
TearDown () == skip;
end TestController
\end{vdm_al}
\begin{rtinfo}
[TotalxCoverage]{vdm.tc}[TestController]
\end{rtinfo}
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