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Merge pull request #7234 from ahocevar/tileload-events

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Fix abort handling of tileload events
This commit is contained in:
Andreas Hocevar
2017-09-08 07:13:28 +02:00
committed by GitHub
parent 416f7156e8 dde9fb5bc4
commit b03bb2c2ce
3 changed files with 86 additions and 16 deletions
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64
test/spec/ol/source/tileimage.test.js
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@@ -1,6 +1,7 @@
goog.require('ol.ImageTile');
goog.require('ol.TileState');
goog.require('ol.TileUrlFunction');
goog.require('ol.events');
goog.require('ol.proj');
@@ -172,4 +173,67 @@ describe('ol.source.TileImage', function() {
tile.load();
});
});
describe('tile load events', function() {
var source;
beforeEach(function() {
source = new ol.source.TileImage({
url: '{z}/{x}/{y}'
});
});
it('dispatches tileloadstart and tileloadend events', function() {
source.setTileLoadFunction(function(tile) {
tile.setState(ol.TileState.LOADED);
});
var startSpy = sinon.spy();
source.on('tileloadstart', startSpy);
var endSpy = sinon.spy();
source.on('tileloadend', endSpy);
var tile = source.getTile(0, 0, -1, 1, ol.proj.get('EPSG:3857'));
tile.load();
expect(startSpy.callCount).to.be(1);
expect(endSpy.callCount).to.be(1);
});
it('works for loading-error-loading-loaded sequences', function(done) {
source.setTileLoadFunction(function(tile) {
tile.setState(
tile.state == ol.TileState.ERROR ? ol.TileState.LOADED : ol.TileState.ERROR);
});
var startSpy = sinon.spy();
source.on('tileloadstart', startSpy);
var errorSpy = sinon.spy();
source.on('tileloaderror', function(e) {
setTimeout(function() {
e.tile.setState(ol.TileState.LOADING);
e.tile.setState(ol.TileState.LOADED);
}, 0);
errorSpy();
});
source.on('tileloadend', function() {
expect(startSpy.callCount).to.be(2);
expect(errorSpy.callCount).to.be(1);
done();
});
var tile = source.getTile(0, 0, -1, 1, ol.proj.get('EPSG:3857'));
tile.load();
});
it('dispatches tileloadend events for aborted tiles', function() {
source.setTileLoadFunction(function() {});
var startSpy = sinon.spy();
source.on('tileloadstart', startSpy);
var endSpy = sinon.spy();
source.on('tileloadend', endSpy);
var tile = source.getTile(0, 0, -1, 1, ol.proj.get('EPSG:3857'));
tile.load();
tile.dispose();
expect(startSpy.callCount).to.be(1);
expect(endSpy.callCount).to.be(1);
});
});
});