Unit test to test the PrefetchToFolder() method related to the questi…

…on in #117
MapWindow · Aug 24, 2018 · b58342a · b58342a
1 parent 0b226cb
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Showing 2 changed files with 29 additions and 9 deletions.
diff --git a/unittests/MapWinGISTests/TilesTests.cs b/unittests/MapWinGISTests/TilesTests.cs
@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Threading;
 using AxMapWinGIS;
 using MapWinGIS;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
@@ -46,17 +47,36 @@ public void ShowProviderDetails()
         public void PrefetchToFolder()
         {
             Console.WriteLine("Tiles projection status: " + _axMap1.Tiles.ProjectionStatus);
-            Console.WriteLine("_axMap1.Extents: " + _axMap1.Extents.ToDebugString());
+            Console.WriteLine("_axMap1.Tiles.ProjectionIsSphericalMercator: " + _axMap1.Tiles.ProjectionIsSphericalMercator);
 
             var outputFolder = $@"D:\tmp\axmap.tiles\{_axMap1.Tiles.Provider.ToString()}";
             if (!Directory.Exists(outputFolder)) Directory.CreateDirectory(outputFolder);
+
+            var latLongExtents = new Extents();
+            latLongExtents.SetBounds(3.3700, 50.7500, 0, 7.2100, 53.4700, 0); // The Netherlands in WGS84: http://spatialreference.org/ref/epsg/28992/
+            var providerId = Convert.ToInt32(tkTileProvider.OpenStreetMap);
+            var numRounds = 0; // To prevent endless loops
+            while (true)
+            {
+                var numTilesToCache = 0;
+                for (var i = _axMap1.Tiles.MinZoom; i < 10; i++)
+                {
+                    numTilesToCache +=
+                        _axMap1.Tiles.PrefetchToFolder(latLongExtents, i, providerId, outputFolder, ".png", this);
+                    Console.WriteLine($"numTilesToCache: {numTilesToCache} for zoom {i}");
+                    // Wait a moment:
+                    Thread.Sleep(2000);
+                }
+
+                numRounds++;
+                Console.WriteLine($"Finished round {numRounds}");
 
-            var numTilesToCache = _axMap1.Tiles.PrefetchToFolder(_axMap1.Extents, 5,
-                Convert.ToInt32(tkTileProvider.OpenStreetMap), outputFolder, ".png", this);
-            Console.WriteLine("numTilesToCache: " + numTilesToCache);
+                // Wait before doing another round:
+                if (numTilesToCache > 0) Thread.Sleep(2000);
+                if (numTilesToCache == 0 || numRounds > 9) break;
+            }
         }
 
-
         public void Progress(string KeyOfSender, int Percent, string Message)
         {
             Console.WriteLine($"{Percent} {Message}");

diff --git a/unittests/TestExecutor/Program.cs b/unittests/TestExecutor/Program.cs
@@ -43,9 +43,9 @@ public static void Main(string[] args)
             //var t = new PostGisTest();
             //t.ReadAttributesFromPostGISLayer();
 
-            var t = new ShapefileTests();
+            // var t = new ShapefileTests();
             //t.ShapefileDataTest();
-            t.UnionShapefiles();
+            // t.UnionShapefiles();
 
             //t.Reproject2280Test();
             //t.ReadRussionDataFromTable();
@@ -78,8 +78,8 @@ public static void Main(string[] args)
             //t.ClipPolygon();
             //t.PointInPolygon();
 
-            //var t = new TilesTests();
-            //t.PrefetchToFolder();
+            var t = new TilesTests();
+            t.PrefetchToFolder();
 
             Console.WriteLine("Finished");
             Console.ReadLine();