//tested method]_[expected input]_[expected behavior]
public void GetPath_BetweenTwoPoints_ShouldReturnCorrectPath(IntVector2 startPoint, IntVector2 endPoint, List <IntVector2> expectedPath)
{
// Arrange
IGrid grid = CreateZigzagGrid();
IPathFinderController pathFinderController = new PathFinderController(grid);
// Act
var actualPath = pathFinderController.GetPath(startPoint, endPoint, null);
// Assert
Assert.True(expectedPath.SequenceEqual(actualPath));
}
public void GetPath_BetweenTwoPoints_ShouldReturnDestinationPointBusy(IntVector2 startPoint, IntVector2 endPoint)
{
// Arrange
bool destinationBusyCalled = false;
IGrid grid = CreateWallGrid();
IPathFinderController pathFinderController = new PathFinderController(grid);
pathFinderController.DestinationPointIsNotEmpty += v => destinationBusyCalled = true;
// Act
pathFinderController.GetPath(startPoint, endPoint, null);
// Assert
Assert.True(destinationBusyCalled);
}
public void GetPath_BetweenTwoPoints_ShouldReturnNoWayToPoint(IntVector2 startPoint, IntVector2 endPoint)
{
// Arrange
bool noWayCalled = false;
IGrid grid = CreateWallGrid();
IPathFinderController pathFinderController = new PathFinderController(grid);
pathFinderController.NoWayToDestinationPoint += v => noWayCalled = true;
// Act
pathFinderController.GetPath(startPoint, endPoint, null);
// Assert
Assert.True(noWayCalled);
}
public void GetPath_BetweenTwoPointsRepeatedly_ShouldReturnCorrectPath()
{
// Arrange
int findPathCorrectXTimes = 0;
int XTimes = 5;
var expectedPath = PathFinderTestData.GetList0_0_5_5();
IGrid grid = CreateZigzagGrid();
IPathFinderController pathFinderController = new PathFinderController(grid);
// Act
for (int i = 0; i < XTimes; i++)
{
var actualPath = pathFinderController.GetPath(GetPoint(0, 0), GetPoint(5, 5), null);
if (expectedPath.SequenceEqual(actualPath))
{
findPathCorrectXTimes++;
}
}
// Assert
Assert.Equal(findPathCorrectXTimes, XTimes);
}