private static void ImportShapefile(IOgrDatasource ds, string filename, string name)
{
// Check file:
if (!File.Exists(filename))
{
Assert.Fail(filename + " does not exists.");
}
// Open shapefile:
var sf = new Shapefile();
if (!sf.Open(filename))
{
Assert.Fail("Failed to open shapefile: " + sf.ErrorMsg[sf.LastErrorCode]);
}
// Import:
if (!ds.ImportShapefile(sf, name, "OVERWRITE=YES", tkShapeValidationMode.NoValidation))
{
Assert.Fail("Failed to import shapefile");
}
Debug.Print($"ds.Error: {ds.ErrorMsg[ds.LastErrorCode]} Gdal error: {ds.GdalLastErrorMsg}");
// Check:
Debug.Print("Layer was imported: " + name);
var layer = ds.GetLayerByName(name);
Assert.IsNotNull(layer, "layer is null");
Debug.Print("Imported features count: " + layer.FeatureCount);
Assert.AreEqual(sf.NumShapes, layer.FeatureCount,
$"The amount of imported shapes is incorrect. GDAL Error: {layer.GdalLastErrorMsg} Error: {layer.ErrorMsg[layer.LastErrorCode]}");
// Export again, using GetBuffer:
var sfFromBuffer = layer.GetBuffer();
Debug.Print("Number shapes from GetBuffer: " + sfFromBuffer.NumShapes);
Assert.AreEqual(sf.NumShapes, sfFromBuffer.NumShapes, "The amount of exported shapes is incorrect.");
// Save shapefile:
var tmpFilename = Path.ChangeExtension(Path.Combine(Path.GetTempPath(), Path.GetTempFileName()), ".shp");
DeleteShapefile(tmpFilename);
if (!sfFromBuffer.SaveAs(tmpFilename))
{
Assert.Fail("Failed to save shapefile: " + sfFromBuffer.ErrorMsg[sfFromBuffer.LastErrorCode]);
}
if (!ds.ImportShapefile(sfFromBuffer, "sfFromBuffer", "OVERWRITE=YES",
tkShapeValidationMode.NoValidation))
{
Assert.Fail("Failed to import buffered shapefile");
}
layer.Close();
}
private static void TestSQLiteLayers(IOgrDatasource ogrDatasource)
{
// Get layers:
var lastLayername = string.Empty;
Debug.WriteLine("Number of layers: " + ogrDatasource.LayerCount);
for (var i = 0; i < ogrDatasource.LayerCount; i++)
{
var layer = ogrDatasource.GetLayer(i, true);
Assert.IsNotNull(layer, "Layer is null");
lastLayername = layer.Name;
Debug.WriteLine("Layer name: " + layer.Name);
Debug.WriteLine("Driver Name: " + layer.DriverName);
Assert.AreEqual("SQLite", layer.DriverName, "Wrong driver name");
var capability = layer.TestCapability(tkOgrLayerCapability.olcRandomRead);
Debug.WriteLine("olcRandomRead: " + capability);
Assert.IsTrue(capability, "Cannot random read");
capability = layer.TestCapability(tkOgrLayerCapability.olcRandomWrite);
Debug.WriteLine("olcRandomWrite: " + capability);
Assert.IsTrue(capability, "Cannot random write");
capability = layer.TestCapability(tkOgrLayerCapability.olcSequentialWrite);
Debug.WriteLine("olcSequentialWrite: " + capability);
Assert.IsTrue(capability, "Cannot sequential write");
}
Debug.WriteLine("Last layer name: " + lastLayername);
if (!string.IsNullOrEmpty(lastLayername))
{
var layer = ogrDatasource.GetLayerByName(lastLayername, true);
var layerCapability = layer.TestCapability(tkOgrLayerCapability.olcRandomRead);
Debug.WriteLine("olcRandomRead: " + layerCapability);
Assert.IsTrue(layerCapability, "Cannot random read");
layerCapability = layer.TestCapability(tkOgrLayerCapability.olcRandomWrite);
Debug.WriteLine("olcRandomWrite: " + layerCapability);
Assert.IsTrue(layerCapability, "Cannot random write");
layerCapability = layer.TestCapability(tkOgrLayerCapability.olcSequentialWrite);
Debug.WriteLine("olcSequentialWrite: " + layerCapability);
Assert.IsTrue(layerCapability, "Cannot sequential write");
}
}
