public void NotSolveInvalidMaze()
{
var settings = servicesProvider.GetRequiredService <MazeSettings>();
settings.MazeFile = ".\\TestFiles\\maze8x6-error-unsolvable.txt";
MazeTextLoader loader = new MazeTextLoader(settings, logger);
var glogger = servicesProvider.GetRequiredService <ILoggerFactory>().CreateLogger <MazeGrid>();
IMazeGrid grid = new MazeGrid(glogger);
grid.Load(loader);
var solutions = new List <IEnumerable <IMazeCell> >();
grid.Solve(sut,
(solvedPath) =>
{
if (solvedPath.Count() > 0)
{
solutions.Add(solvedPath);
}
});
// Empty solution
Assert.Empty(solutions);
}
public void SolveValidMaze()
{
var settings = servicesProvider.GetRequiredService <MazeSettings>();
MazeTextLoader loader = new MazeTextLoader(settings, logger);
var glogger = servicesProvider.GetRequiredService <ILoggerFactory>().CreateLogger <MazeGrid>();
IMazeGrid grid = new MazeGrid(glogger);
grid.Load(loader);
// Keep a list of solutions
var solutions = new List <IEnumerable <IMazeCell> >();
grid.Solve(sut,
(solvedPath) =>
{
if (solvedPath.Count() > 0)
{
solutions.Add(solvedPath);
}
});
// Single solution
Assert.Single(solutions);
// First Item = Start
Assert.True(solutions.FirstOrDefault().First().Equals(grid.Start));
// Last Item = Finish
Assert.True(solutions.FirstOrDefault().Last().Equals(grid.Finish));
}
public void GenerateGraph()
{
var settings = servicesProvider.GetRequiredService <MazeSettings>();
MazeTextLoader loader = new MazeTextLoader(settings, logger);
sut.Load(loader);
Graph <IMazeCell> _graph = sut.GenerateGraph();
Assert.True(_graph.Nodes.Count() > 0);
}
public void ThrowOnGetNodeByPositionIfOutOfRange()
{
var settings = servicesProvider.GetRequiredService <MazeSettings>();
MazeTextLoader loader = new MazeTextLoader(settings, logger);
sut.Load(loader);
// out of range node
Assert.Throws <ArgumentException>(() => {
var node = sut.GetNode(sut.Height, sut.Width);
});
}
public void ReturnNodeByPosition()
{
var settings = servicesProvider.GetRequiredService <MazeSettings>();
MazeTextLoader loader = new MazeTextLoader(settings, logger);
sut.Load(loader);
// start node
var node = sut.GetNode(sut.Start.Row, sut.Start.Col);
Assert.True(node.Equals(sut.Start));
}
public void LoadFromGivenLoader()
{
var settings = servicesProvider.GetRequiredService <MazeSettings>();
MazeTextLoader loader = new MazeTextLoader(settings, logger);
sut.Load(loader);
Assert.InRange <int>(sut.Width, settings.MinWidth, int.MaxValue);
Assert.InRange <int>(sut.Height, settings.MinHeight, int.MaxValue);
Assert.True(sut.MazeMap != null);
}
public void ThrowIfFileIsMissingStartOrEndPoint()
{
var settings = servicesProvider.GetRequiredService <MazeSettings>();
settings.MazeFile = "./maze8x6-error-no-start.txt";
MazeTextLoader sut = new MazeTextLoader(settings, logger);
var glogger = servicesProvider.GetRequiredService <ILoggerFactory>().CreateLogger <MazeGrid>();
IMazeGrid grid = new MazeGrid(glogger);
Assert.Throws <Exception>(() => {
grid.Load(sut);
});
}
public void ThrowIfFileNotFound()
{
var settings = servicesProvider.GetRequiredService <MazeSettings>();
settings.MazeFile = "./I-do-not-exist.txt";
MazeTextLoader sut = new MazeTextLoader(settings, logger);
var glogger = servicesProvider.GetRequiredService <ILoggerFactory>().CreateLogger <MazeGrid>();
IMazeGrid grid = new MazeGrid(glogger);
Assert.Throws <Exception>(() => {
grid.Load(sut);
});
}
public void LoadMazeGridFromFile()
{
var settings = servicesProvider.GetRequiredService <MazeSettings>();
MazeTextLoader sut = new MazeTextLoader(settings, logger);
var glogger = servicesProvider.GetRequiredService <ILoggerFactory>().CreateLogger <MazeGrid>();
IMazeGrid grid = new MazeGrid(glogger);
sut.Load(grid);
Assert.InRange <int>(grid.Width, settings.MinWidth, int.MaxValue);
Assert.InRange <int>(grid.Height, settings.MinHeight, int.MaxValue);
Assert.True(grid.MazeMap != null);
}
public void ReturnCallbackFromGivenSolver()
{
var settings = servicesProvider.GetRequiredService <MazeSettings>();
MazeTextLoader loader = new MazeTextLoader(settings, logger);
sut.Load(loader);
var slogger = servicesProvider.GetRequiredService <ILoggerFactory>().CreateLogger <BFSGraphSolver>();
BFSGraphSolver solver = new BFSGraphSolver(slogger);
bool called = false;
sut.Solve(solver, (c) => {
called = true;
});
Assert.True(called);
}