public void AStarPathFindServiceUnitTests_ShouldCantFindPath()
{
// Arrange
var start = new Vector2Int(0, 0);
var end = new Vector2Int(1, 0);
var options = new PathFindingOptions()
{
Start = start,
End = end
};
var graphMock = new Mock <IGraph>();
graphMock.Setup(g => g.GetTransition(end, start)).Returns(0);
var neighborService = new Mock <IGraphNeighborsService>();
neighborService.Setup(n => n.GetNeighbors(graphMock.Object, end, It.IsAny <IList <Vector2Int> >()))
.Callback((IGraph _g, Vector2Int _v, IList <Vector2Int> res) =>
{
res.Clear();
});
var astar_finder = new AStarPathFindService(neighborService.Object);
// Act
var result = astar_finder.Find(graphMock.Object, options);
// Assert
Assert.Null(result);
}
public void AStarPathFindServiceUnitTests_ShouldFindOptimalPath_From00To04()
{
// Arrange
var start = new Vector2Int(0, 0);
var end = new Vector2Int(0, 4);
var options = new PathFindingOptions()
{
Start = start,
End = end
};
var graph = new MatrixFullGraph(5, 5, 0);
var neighborService = new GraphGridNeighborsService(1);
var astar_finder = new AStarPathFindService(neighborService);
// Act
var result = astar_finder.Find(graph, options);
// Assert
var expected = new GraphPath()
{
Path = new List <Vector2Int>()
{
start,
new Vector2Int(0, 1),
new Vector2Int(0, 2),
new Vector2Int(0, 3),
end
}
};
Assert.True(Enumerable.SequenceEqual(expected.Path, result.Path));
}
public void AStarPathFindServiceUnitTests_ShouldThrowIfOptionsIsNull()
{
// Arrange
var astar_finder = new AStarPathFindService(Mock.Of <IGraphNeighborsService>());
// Act/Assert
Assert.Throws <ArgumentNullException>(() => astar_finder.Find(Mock.Of <IGraph>(), null));
}
public void AStarPathFindServiceUnitTests_ShouldFindOptimalPath()
{
// Arrange
var start = new Vector2Int(0, 0);
var end = new Vector2Int(1, 1);
var options = new PathFindingOptions()
{
Start = start,
End = end
};
var graphMock = new Mock <IGraph>();
graphMock.Setup(g => g.GetTransition(end, start)).Returns(1);
graphMock.Setup(g => g.GetTransition(end, new Vector2Int(1, 0))).Returns(1);
graphMock.Setup(g => g.GetTransition(end, new Vector2Int(0, 1))).Returns(0);
graphMock.Setup(g => g.GetTransition(new Vector2Int(0, 1), start)).Returns(0);
graphMock.Setup(g => g.GetTransition(new Vector2Int(1, 0), start)).Returns(1);
var neighborService = new Mock <IGraphNeighborsService>();
neighborService.Setup(n => n.GetNeighbors(graphMock.Object, end, It.IsAny <IList <Vector2Int> >()))
.Callback((IGraph _g, Vector2Int _v, IList <Vector2Int> res) =>
{
res.Clear();
res.Add(new Vector2Int(1, 0));
res.Add(new Vector2Int(0, 1));
res.Add(new Vector2Int(0, 0));
});
neighborService.Setup(n => n.GetNeighbors(graphMock.Object, new Vector2Int(0, 1), It.IsAny <IList <Vector2Int> >()))
.Callback((IGraph _g, Vector2Int _v, IList <Vector2Int> res) =>
{
res.Clear();
res.Add(new Vector2Int(1, 1));
res.Add(new Vector2Int(1, 0));
res.Add(new Vector2Int(0, 0));
});
var astar_finder = new AStarPathFindService(neighborService.Object);
// Act
var result = astar_finder.Find(graphMock.Object, options);
// Assert
var expected = new GraphPath()
{
Path = new List <Vector2Int>()
{
start, new Vector2Int(0, 1), end
}
};
Assert.True(Enumerable.SequenceEqual(expected.Path, result.Path));
neighborService.Verify(
n => n.GetNeighbors(It.IsAny <IGraph>(), It.IsAny <Vector2Int>(), It.IsAny <IList <Vector2Int> >()),
Times.Exactly(2));
}
public void Move()
{
var pathFinder = new AStarPathFindService(neighbor);
var path = pathFinder.Find(Graph, new PathFindingOptions()
{
Start = from,
End = to
});
if (path == null)
{
return;
}
mover.Move(path.Path);
}
private void OnDrawGizmos()
{
var pathFinder = new AStarPathFindService(neighbor);
var path = pathFinder.Find(Graph, new PathFindingOptions()
{
Start = from,
End = to
});
if (path == null)
{
return;
}
foreach (var point in path.Path)
{
Gizmos.DrawCube(Grid.GetCellPoint(point), Vector3.one * 2);
}
}
