public void TileFetcherWithFailingFetchesShouldTryAgain()
{
// Arrange
var tileProvider = new FailingTileProvider();
var tileSchema = new GlobalSphericalMercator();
var tileSource = new TileSource(tileProvider, tileSchema);
var cache = new MemoryCache <Feature>();
var fetchDispatcher = new TileFetchDispatcher(cache, tileSource.Schema, (tileInfo) => TileToFeature(tileSource, tileInfo));
var tileMachine = new FetchMachine(fetchDispatcher);
var level = "3";
var tilesInLevel = 64;
// Act
fetchDispatcher.SetViewport(tileSchema.Extent.ToBoundingBox(), tileSchema.Resolutions[level].UnitsPerPixel);
tileMachine.Start();
while (fetchDispatcher.Busy)
{
}
// do it again
fetchDispatcher.SetViewport(tileSchema.Extent.ToBoundingBox(), tileSchema.Resolutions[level].UnitsPerPixel);
tileMachine.Start();
while (fetchDispatcher.Busy)
{
}
// Assert
Assert.AreEqual(tilesInLevel * 2, tileProvider.TotalCount); // tried all tiles twice
}
public void TileFetcherWithFailingFetchesShouldTryAgain()
{
// Arrange
var tileProvider = new FailingTileProvider();
var tileSchema = new GlobalSphericalMercator();
var tileSource = new TileSource(tileProvider, tileSchema);
using var cache = new MemoryCache <IFeature?>();
var fetchDispatcher = new TileFetchDispatcher(cache, tileSource.Schema, async tileInfo => await TileToFeatureAsync(tileSource, tileInfo));
var tileMachine = new FetchMachine(fetchDispatcher);
var level = 3;
var tilesInLevel = 64;
var fetchInfo = new FetchInfo(tileSchema.Extent.ToMRect(), tileSchema.Resolutions[level].UnitsPerPixel);
// Act
fetchDispatcher.SetViewport(fetchInfo);
tileMachine.Start();
while (fetchDispatcher.Busy)
{
Thread.Sleep(1);
}
// Act again
fetchDispatcher.SetViewport(fetchInfo);
tileMachine.Start();
while (fetchDispatcher.Busy)
{
Thread.Sleep(1);
}
// Assert
Assert.AreEqual(tilesInLevel * 2, tileProvider.TotalCount); // tried all tiles twice
}
