openseadragon/test/modules/tilecache.js

681 lines
32 KiB
JavaScript

/* global QUnit, testLog */
(function() {
const Convertor = OpenSeadragon.convertor,
T_A = "__TEST__typeA", T_B = "__TEST__typeB", T_C = "__TEST__typeC", T_D = "__TEST__typeD", T_E = "__TEST__typeE";
let viewer;
//we override jobs: remember original function
const originalJob = OpenSeadragon.ImageLoader.prototype.addJob;
//event awaiting
function waitFor(predicate) {
const time = setInterval(() => {
if (predicate()) {
clearInterval(time);
}
}, 20);
}
// Replace conversion with our own system and test: __TEST__ prefix must be used, otherwise
// other tests will interfere
let typeAtoB = 0, typeBtoC = 0, typeCtoA = 0, typeDtoA = 0, typeCtoE = 0;
//set all same costs to get easy testing, know which path will be taken
Convertor.learn(T_A, T_B, (tile, x) => {
typeAtoB++;
return x+1;
});
Convertor.learn(T_B, T_C, (tile, x) => {
typeBtoC++;
return x+1;
});
Convertor.learn(T_C, T_A, (tile, x) => {
typeCtoA++;
return x+1;
});
Convertor.learn(T_D, T_A, (tile, x) => {
typeDtoA++;
return x+1;
});
Convertor.learn(T_C, T_E, (tile, x) => {
typeCtoE++;
return x+1;
});
//'Copy constructors'
let copyA = 0, copyB = 0, copyC = 0, copyD = 0, copyE = 0;
//also learn destructors
Convertor.learn(T_A, T_A,(tile, x) => {
copyA++;
return x+1;
});
Convertor.learn(T_B, T_B,(tile, x) => {
copyB++;
return x+1;
});
Convertor.learn(T_C, T_C,(tile, x) => {
copyC++;
return x-1;
});
Convertor.learn(T_D, T_D,(tile, x) => {
copyD++;
return x+1;
});
Convertor.learn(T_E, T_E,(tile, x) => {
copyE++;
return x+1;
});
let destroyA = 0, destroyB = 0, destroyC = 0, destroyD = 0, destroyE = 0;
//also learn destructors
Convertor.learnDestroy(T_A, () => {
destroyA++;
});
Convertor.learnDestroy(T_B, () => {
destroyB++;
});
Convertor.learnDestroy(T_C, () => {
destroyC++;
});
Convertor.learnDestroy(T_D, () => {
destroyD++;
});
Convertor.learnDestroy(T_E, () => {
destroyE++;
});
// ----------
QUnit.module('TileCache', {
beforeEach: function () {
$('<div id="example"></div>').appendTo("#qunit-fixture");
testLog.reset();
viewer = OpenSeadragon({
id: 'example',
prefixUrl: '/build/openseadragon/images/',
maxImageCacheCount: 200, //should be enough to fit test inside the cache
springStiffness: 100 // Faster animation = faster tests
});
OpenSeadragon.ImageLoader.prototype.addJob = originalJob;
},
afterEach: function () {
if (viewer && viewer.close) {
viewer.close();
}
viewer = null;
}
});
// ----------
// TODO: this used to be async
QUnit.test('basics', function(assert) {
const done = assert.async();
const fakeViewer = MockSeadragon.getViewer(
MockSeadragon.getDrawer({
// tile in safe mode inspects the supported formats upon cache set
getSupportedDataFormats() {
return [T_A, T_B, T_C, T_D, T_E];
}
})
);
const fakeTiledImage0 = MockSeadragon.getTiledImage(fakeViewer);
const fakeTiledImage1 = MockSeadragon.getTiledImage(fakeViewer);
const tile0 = MockSeadragon.getTile('foo.jpg', fakeTiledImage0);
const tile1 = MockSeadragon.getTile('foo.jpg', fakeTiledImage1);
const cache = new OpenSeadragon.TileCache();
assert.equal(cache.numTilesLoaded(), 0, 'no tiles to begin with');
tile0._caches[tile0.cacheKey] = cache.cacheTile({
tile: tile0,
tiledImage: fakeTiledImage0
});
tile0._cacheSize++;
assert.equal(cache.numTilesLoaded(), 1, 'tile count after cache');
tile1._caches[tile1.cacheKey] = cache.cacheTile({
tile: tile1,
tiledImage: fakeTiledImage1
});
tile1._cacheSize++;
assert.equal(cache.numTilesLoaded(), 2, 'tile count after second cache');
cache.clearTilesFor(fakeTiledImage0);
assert.equal(cache.numTilesLoaded(), 1, 'tile count after first clear');
cache.clearTilesFor(fakeTiledImage1);
assert.equal(cache.numTilesLoaded(), 0, 'tile count after second clear');
done();
});
// ----------
QUnit.test('maxImageCacheCount', function(assert) {
const done = assert.async();
const fakeViewer = MockSeadragon.getViewer(
MockSeadragon.getDrawer({
// tile in safe mode inspects the supported formats upon cache set
getSupportedDataFormats() {
return [T_A, T_B, T_C, T_D, T_E];
}
})
);
const fakeTiledImage0 = MockSeadragon.getTiledImage(fakeViewer);
const tile0 = MockSeadragon.getTile('different.jpg', fakeTiledImage0);
const tile1 = MockSeadragon.getTile('same.jpg', fakeTiledImage0);
const tile2 = MockSeadragon.getTile('same.jpg', fakeTiledImage0);
const cache = new OpenSeadragon.TileCache({
maxImageCacheCount: 1
});
assert.equal(cache.numTilesLoaded(), 0, 'no tiles to begin with');
tile0._caches[tile0.cacheKey] = cache.cacheTile({
tile: tile0,
tiledImage: fakeTiledImage0
});
tile0._cacheSize++;
assert.equal(cache.numTilesLoaded(), 1, 'tile count after add');
tile1._caches[tile1.cacheKey] = cache.cacheTile({
tile: tile1,
tiledImage: fakeTiledImage0
});
tile1._cacheSize++;
assert.equal(cache.numTilesLoaded(), 1, 'tile count after add of second image');
tile2._caches[tile2.cacheKey] = cache.cacheTile({
tile: tile2,
tiledImage: fakeTiledImage0
});
tile2._cacheSize++;
assert.equal(cache.numTilesLoaded(), 2, 'tile count after additional same image');
done();
});
//Tile API and cache interaction
QUnit.test('Tile API: basic conversion', function(test) {
const done = test.async();
const fakeViewer = MockSeadragon.getViewer(
MockSeadragon.getDrawer({
// tile in safe mode inspects the supported formats upon cache set
getSupportedDataFormats() {
return [T_A, T_B, T_C, T_D, T_E];
}
})
);
const tileCache = fakeViewer.tileCache;
const fakeTiledImage0 = MockSeadragon.getTiledImage(fakeViewer);
const fakeTiledImage1 = MockSeadragon.getTiledImage(fakeViewer);
//load data
const tile00 = MockSeadragon.getTile('foo.jpg', fakeTiledImage0);
tile00.addCache(tile00.cacheKey, 0, T_A, false, false);
const tile01 = MockSeadragon.getTile('foo2.jpg', fakeTiledImage0);
tile01.addCache(tile01.cacheKey, 0, T_B, false, false);
const tile10 = MockSeadragon.getTile('foo3.jpg', fakeTiledImage1);
tile10.addCache(tile10.cacheKey, 0, T_C, false, false);
const tile11 = MockSeadragon.getTile('foo3.jpg', fakeTiledImage1);
tile11.addCache(tile11.cacheKey, 0, T_C, false, false);
const tile12 = MockSeadragon.getTile('foo.jpg', fakeTiledImage1);
tile12.addCache(tile12.cacheKey, 0, T_A, false, false);
const collideGetSet = async (tile, type) => {
const value = await tile.getData(type);
await tile.setData(value, type);
return value;
};
//test set/get data in async env
(async function() {
test.equal(tileCache.numTilesLoaded(), 5, "We loaded 5 tiles");
test.equal(tileCache.numCachesLoaded(), 3, "We loaded 3 cache objects");
//test structure
const c00 = tile00.getCache(tile00.cacheKey);
test.equal(c00.getTileCount(), 2, "Two tiles share key = url = foo.jpg.");
const c01 = tile01.getCache(tile01.cacheKey);
test.equal(c01.getTileCount(), 1, "No tiles share key = url = foo2.jpg.");
const c10 = tile10.getCache(tile10.cacheKey);
test.equal(c10.getTileCount(), 2, "Two tiles share key = url = foo3.jpg.");
const c12 = tile12.getCache(tile12.cacheKey);
//test get/set data A
let value = await tile00.getData(T_A);
test.equal(typeAtoB, 0, "No conversion happened when requesting default type data.");
test.equal(value, 1, "One copy happened: getData creates working cache -> copy.");
//explicit type
value = await tile00.getData(T_A);
test.equal(typeAtoB, 0, "No conversion also for tile sharing the cache.");
test.equal(value, 1, "No increase in value A, working cache initialized.");
//copy & set type A
value = await tile00.getData(T_A);
test.equal(typeAtoB, 0, "No conversion also for tile sharing the cache.");
test.equal(copyA, 1, "A copy happened.");
test.equal(value, 1, "+1 conversion step happened.");
await tile00.setData(value, T_A); //overwrite
test.equal(tile00.cacheKey, tile00.originalCacheKey, "Overwriting cache: no change in value.");
test.equal(c00.type, T_A, "The tile cache data type was unchanged.");
//convert to B, async + sync behavior
value = await tile00.getData(T_B);
await tile00.setData(value, T_B); //overwrite
test.equal(typeAtoB, 1, "Conversion A->B happened.");
test.equal(value, 2, "+1 conversion step happened.");
// shares cache, but it is different tile instance
value = await tile12.getData(T_B);
test.equal(typeAtoB, 2, "Conversion A->B happened second time -> working cache forcefully initiated over shared data.");
test.equal(value, 1, "Original data is 1 since all previous modifications happened over working cache of tile00.");
//test ASYNC get data
value = await tile12.getData(T_B);
await tile12.setData(value, T_B); //overwrite
test.equal(typeAtoB, 2, "Two working caches created, two conversions.");
test.equal(typeBtoC, 0, "No conversion happened when requesting default type data.");
test.equal(copyB, 0, "B type not copied, working cache already initialized.");
test.equal(value, 1, "Data stayed the same.");
// Async collisions testing
//convert to A, before that request conversion to A and B several times, since we copy
// there should be just exactly the right amount of conversions
tile12.getData(T_A); // B -> C -> A
tile12.getData(T_B); // no conversion, all run at the same time
tile12.getData(T_B); // no conversion, all run at the same time
tile12.getData(T_A); // B -> C -> A
tile12.getData(T_B); // no conversion, all run at the same time
value = await tile12.getData(T_A); // B -> C -> A
test.equal(typeAtoB, 2, "No conversion A->B.");
test.equal(typeBtoC, 3, "Conversion B->C happened three times.");
test.equal(typeCtoA, 3, "Conversion C->A happened three times.");
test.equal(typeDtoA, 0, "Conversion D->A did not happen.");
test.equal(typeCtoE, 0, "Conversion C->E did not happen.");
test.equal(value, 3, "We started from value 1 (wokring cache state), and performed two conversions (B->C->A). " +
"Any other conversion attempt results were thrown away, cache state does not get updated when conversion takes place, data is copied (by default).");
// C12 cache is still type A, we modified wokring cache!
//but direct requests on cache change await all modifications, but are lazy
//convert to A, before that request conversion to A and B several times, should finish accordingly
c12.transformTo(T_A); // no-op
c12.transformTo(T_B); // A -> B
c12.transformTo(T_B); // no-op
c12.transformTo(T_A); // B -> C -> A
c12.transformTo(T_B); // A -> B
//should finish with next await with 6 steps at this point, add two more and await end
value = await c12.transformTo(T_A); // B -> C -> A
test.equal(typeAtoB, 4, "Conversion A->B happened two more times, in total 4.");
test.equal(typeBtoC, 5, "Conversion B->C happened five (3+2) times.");
test.equal(typeCtoA, 5, "Conversion C->A happened five (3+2) times.");
test.equal(typeDtoA, 0, "Conversion D->A did not happen.");
test.equal(typeCtoE, 0, "Conversion C->E did not happen.");
test.equal(value, 6, "In total 6 conversions on the cache object.");
await tile12.setData(value, T_A);
test.equal(c12.data, 6, "In total 6 conversions on the cache object, above set changes working cache.");
test.equal(c12.data, 6, "Changing type of working cache fires no conversion, we overwrite cache state.");
//TODO fix test from here
test.ok("TODO: FIX TEST SUITE FOR NEW CACHE SYSTEM");
// // Get set collide tries to modify the cache
// collideGetSet(tile12, T_A); // B -> C -> A
// collideGetSet(tile12, T_B); // no conversion, all run at the same time
// collideGetSet(tile12, T_B); // no conversion, all run at the same time
// collideGetSet(tile12, T_A); // B -> C -> A
// collideGetSet(tile12, T_B); // no conversion, all run at the same time
// //should finish with next await with 6 steps at this point, add two more and await end
// value = await collideGetSet(tile12, T_A); // B -> C -> A
// test.equal(typeAtoB, 3, "Conversion A->B not increased, not needed as all T_B requests resolve immediatelly.");
// test.equal(typeBtoC, 9, "Conversion B->C happened three times more.");
// test.equal(typeCtoA, 9, "Conversion C->A happened three times more.");
// test.equal(typeDtoA, 0, "Conversion D->A did not happen.");
// test.equal(typeCtoE, 0, "Conversion C->E did not happen.");
// test.equal(value, 13, "11+2 steps (writes are colliding, just single write will happen).");
//
// //shares cache with tile12
// value = await tile00.getData(T_A, false);
// test.equal(typeAtoB, 3, "Conversion A->B nor triggered.");
// test.equal(value, 13, "Value did not change.");
//
// //now set value with keeping origin
// await tile00.setData(42, T_D, true);
// test.equal(tile12.originalCacheKey, tile12.cacheKey, "Related tile not affected.");
// test.equal(tile00.originalCacheKey, tile12.originalCacheKey, "Cache data was modified, original kept.");
// test.notEqual(tile00.cacheKey, tile12.cacheKey, "Main cache keys changed.");
// const newCache = tile00.getCache();
// await newCache.transformTo(T_C);
// test.equal(typeDtoA, 1, "Conversion D->A happens first time.");
// test.equal(c12.data, 13, "Original cache value kept");
// test.equal(c12.type, T_A, "Original cache type kept");
// test.equal(c12, c00, "The same cache.");
//
// test.equal(typeAtoB, 4, "Conversion A->B triggered.");
// test.equal(newCache.type, T_C, "Original cache type kept");
// test.equal(newCache.data, 45, "42+3 steps happened.");
//
// //try again change in set data, now the cache gets overwritten
// await tile00.setData(42, T_B, true);
// test.equal(newCache.type, T_B, "Reset happened in place.");
// test.equal(newCache.data, 42, "Reset happened in place.");
//
// // Overwriting stress test with diff cache (see the same test as above, the same reasoning)
// collideGetSet(tile00, T_A); // B -> C -> A
// collideGetSet(tile00, T_B); // no conversion, all run at the same time
// collideGetSet(tile00, T_B); // no conversion, all run at the same time
// collideGetSet(tile00, T_A); // B -> C -> A
// collideGetSet(tile00, T_B); // no conversion, all run at the same time
// //should finish with next await with 6 steps at this point, add two more and await end
// value = await collideGetSet(tile00, T_A); // B -> C -> A
// test.equal(typeAtoB, 4, "Conversion A->B not increased.");
// test.equal(typeBtoC, 13, "Conversion B->C happened three times more.");
// //we converted D->C before, that's why C->A is one less
// test.equal(typeCtoA, 12, "Conversion C->A happened three times more.");
// test.equal(typeDtoA, 1, "Conversion D->A did not happen.");
// test.equal(typeCtoE, 0, "Conversion C->E did not happen.");
// test.equal(value, 44, "+2 writes value (writes collide, just one finishes last).");
//
// test.equal(c12.data, 13, "Original cache value kept");
// test.equal(c12.type, T_A, "Original cache type kept");
// test.equal(c12, c00, "The same cache.");
//
// //todo test destruction throughout the test above
// //tile00.unload();
done();
})();
});
//Tile API and cache interaction
QUnit.test('Tile API Cache Interaction', function(test) {
const done = test.async();
const fakeViewer = MockSeadragon.getViewer(
MockSeadragon.getDrawer({
// tile in safe mode inspects the supported formats upon cache set
getSupportedDataFormats() {
return [T_A, T_B, T_C, T_D, T_E];
}
})
);
const tileCache = fakeViewer.tileCache;
const fakeTiledImage0 = MockSeadragon.getTiledImage(fakeViewer);
const fakeTiledImage1 = MockSeadragon.getTiledImage(fakeViewer);
//load data
const tile00 = MockSeadragon.getTile('foo.jpg', fakeTiledImage0);
tile00.addCache(tile00.cacheKey, 0, T_A, false, false);
const tile01 = MockSeadragon.getTile('foo2.jpg', fakeTiledImage0);
tile01.addCache(tile01.cacheKey, 0, T_B, false, false);
const tile10 = MockSeadragon.getTile('foo3.jpg', fakeTiledImage1);
tile10.addCache(tile10.cacheKey, 0, T_C, false, false);
const tile11 = MockSeadragon.getTile('foo3.jpg', fakeTiledImage1);
tile11.addCache(tile11.cacheKey, 0, T_C, false, false);
const tile12 = MockSeadragon.getTile('foo.jpg', fakeTiledImage1);
tile12.addCache(tile12.cacheKey, 0, T_A, false, false);
//test set/get data in async env
(async function() {
// TODO FIX
test.ok("TODO: FIX TEST SUITE FOR NEW CACHE SYSTEM");
done();
// test.equal(tileCache.numTilesLoaded(), 5, "We loaded 5 tiles");
// test.equal(tileCache.numCachesLoaded(), 3, "We loaded 3 cache objects");
//
// const c00 = tile00.getCache(tile00.cacheKey);
// const c12 = tile12.getCache(tile12.cacheKey);
//
// //now test multi-cache within tile
// const theTileKey = tile00.cacheKey;
// tile00.setData(42, T_E, true);
// test.ok(tile00.cacheKey !== tile00.originalCacheKey, "Original cache key differs.");
// test.equal(theTileKey, tile00.originalCacheKey, "Original cache key preserved.");
//
// //now add artifically another record
// tile00.addCache("my_custom_cache", 128, T_C);
// test.equal(tileCache.numTilesLoaded(), 5, "We still loaded only 5 tiles.");
// test.equal(tileCache.numCachesLoaded(), 5, "The cache has now 5 items.");
// test.equal(c00.getTileCount(), 2, "The cache still has only two tiles attached.");
// test.equal(tile00.getCacheSize(), 3, "The tile has three cache objects.");
// //related tile not really affected
// test.equal(tile12.cacheKey, tile12.originalCacheKey, "Original cache key not affected elsewhere.");
// test.equal(tile12.originalCacheKey, theTileKey, "Original cache key also preserved.");
// test.equal(c12.getTileCount(), 2, "The original data cache still has only two tiles attached.");
// test.equal(tile12.getCacheSize(), 1, "Related tile cache did not increase.");
//
// //add and delete cache nothing changes
// tile00.addCache("my_custom_cache2", 128, T_C);
// tile00.removeCache("my_custom_cache2");
// test.equal(tileCache.numTilesLoaded(), 5, "We still loaded only 5 tiles.");
// test.equal(tileCache.numCachesLoaded(), 5, "The cache has now 5 items.");
// test.equal(tile00.getCacheSize(), 3, "The tile has three cache objects.");
//
// //delete cache as a zombie
// tile00.addCache("my_custom_cache2", 17, T_C);
// //direct access shoes correct value although we set key!
// const myCustomCache2Data = tile00.getCache("my_custom_cache2").data;
// test.equal(myCustomCache2Data, 17, "Previously defined cache does not intervene.");
// test.equal(tileCache.numCachesLoaded(), 6, "The cache size is 6.");
// //keep zombie
// tile00.removeCache("my_custom_cache2", false);
// test.equal(tileCache.numCachesLoaded(), 6, "The cache is 5 + 1 zombie, no change.");
// test.equal(tile00.getCacheSize(), 3, "The tile has three cache objects.");
//
// //revive zombie
// tile01.addCache("my_custom_cache2", 18, T_C);
// const myCustomCache2OtherData = tile01.getCache("my_custom_cache2").data;
// test.equal(myCustomCache2OtherData, myCustomCache2Data, "Caches are equal because revived.");
// //again, keep zombie
// tile01.removeCache("my_custom_cache2", false);
//
// //first create additional cache so zombie is not the youngest
// tile01.addCache("some weird cache", 11, T_A);
// test.ok(tile01.cacheKey === tile01.originalCacheKey, "Custom cache does not touch tile cache keys.");
//
// //insertion aadditional cache clears the zombie first although it is not the youngest one
// test.equal(tileCache.numCachesLoaded(), 7, "The cache has now 7 items.");
//
// //Test CAP
// tileCache._maxCacheItemCount = 7;
//
// //does not trigger insertion - deletion, since we setData to cache that already exists, 43 value ignored
// tile12.setData(43, T_B, true);
// test.notEqual(tile12.cacheKey, tile12.originalCacheKey, "Original cache key differs.");
// test.equal(theTileKey, tile12.originalCacheKey, "Original cache key preserved.");
// test.equal(tileCache.numCachesLoaded(), 7, "The cache has still 7 items.");
// //we called SET DATA with preserve=true on tile12 which was sharing cache with tile00, new cache is also shared
// test.equal(tile00.originalCacheKey, tile12.originalCacheKey, "Original cache key matches between tiles.");
// test.equal(tile00.cacheKey, tile12.cacheKey, "Modified cache key matches between tiles.");
// test.equal(tile12.getCache().data, 42, "The value is not 43 as setData triggers cache share!");
//
// //triggers insertion - deletion of zombie cache 'my_custom_cache2'
// tile00.addCache("trigger-max-cache-handler", 5, T_C);
// //reset CAP
// tileCache._maxCacheItemCount = OpenSeadragon.DEFAULT_SETTINGS.maxImageCacheCount;
//
// //try to revive zombie will fail: the zombie was deleted, we will find 18
// tile01.addCache("my_custom_cache2", 18, T_C);
// const myCustomCache2RecreatedData = tile01.getCache("my_custom_cache2").data;
// test.notEqual(myCustomCache2RecreatedData, myCustomCache2Data, "Caches are not equal because created.");
// test.equal(myCustomCache2RecreatedData, 18, "Cache data is actually as set to 18.");
// test.equal(tileCache.numCachesLoaded(), 8, "The cache has now 8 items.");
//
//
// //delete cache bound to other tiles, this tile has 4 caches:
// // cacheKey: shared, originalCacheKey: shared, <custom cache key>, <custom cache key>
// // note that cacheKey is shared because we called setData on two items that both create MOD cache
// tileCache.unloadTile(tile00, true, tileCache._tilesLoaded.indexOf(tile00));
// test.equal(tileCache.numCachesLoaded(), 6, "The cache has now 8-2 items.");
// test.equal(tileCache.numTilesLoaded(), 4, "One tile removed.");
// test.equal(c00.getTileCount(), 1, "The cache has still tile12 left.");
//
// //now test tile destruction as zombie
//
// //now test tile cache sharing
// done();
})();
});
QUnit.test('Zombie Cache', function(test) {
const done = test.async();
// TODO FIX
test.ok("TODO: FIX TEST SUITE FOR NEW CACHE SYSTEM");
done();
// //test jobs by coverage: fail if
// let jobCounter = 0, coverage = undefined;
// OpenSeadragon.ImageLoader.prototype.addJob = function (options) {
// jobCounter++;
// if (coverage) {
// //old coverage of previous tiled image: if loaded, fail --> should be in cache
// const coverageItem = coverage[options.tile.level][options.tile.x][options.tile.y];
// test.ok(!coverageItem, "Attempt to add job for tile that is not in cache OK if previously not loaded.");
// }
// return originalJob.call(this, options);
// };
//
// let tilesFinished = 0;
// const tileCounter = function (event) {tilesFinished++;}
//
// const openHandler = function(event) {
// event.item.allowZombieCache(true);
//
// viewer.world.removeHandler('add-item', openHandler);
// test.ok(jobCounter === 0, 'Initial state, no images loaded');
//
// waitFor(() => {
// if (tilesFinished === jobCounter && event.item._fullyLoaded) {
// coverage = $.extend(true, {}, event.item.coverage);
// viewer.world.removeAll();
// return true;
// }
// return false;
// });
// };
//
// let jobsAfterRemoval = 0;
// const removalHandler = function (event) {
// viewer.world.removeHandler('remove-item', removalHandler);
// test.ok(jobCounter > 0, 'Tiled image removed after 100 ms, should load some images.');
// jobsAfterRemoval = jobCounter;
//
// viewer.world.addHandler('add-item', reopenHandler);
// viewer.addTiledImage({
// tileSource: '/test/data/testpattern.dzi'
// });
// }
//
// const reopenHandler = function (event) {
// event.item.allowZombieCache(true);
//
// viewer.removeHandler('add-item', reopenHandler);
// test.equal(jobCounter, jobsAfterRemoval, 'Reopening image does not fetch any tiles imemdiatelly.');
//
// waitFor(() => {
// if (event.item._fullyLoaded) {
// viewer.removeHandler('tile-unloaded', unloadTileHandler);
// viewer.removeHandler('tile-loaded', tileCounter);
//
// //console test needs here explicit removal to finish correctly
// OpenSeadragon.ImageLoader.prototype.addJob = originalJob;
// done();
// return true;
// }
// return false;
// });
// };
//
// const unloadTileHandler = function (event) {
// test.equal(event.destroyed, false, "Tile unload event should not delete with zombies!");
// }
//
// viewer.world.addHandler('add-item', openHandler);
// viewer.world.addHandler('remove-item', removalHandler);
// viewer.addHandler('tile-unloaded', unloadTileHandler);
// viewer.addHandler('tile-loaded', tileCounter);
//
// viewer.open('/test/data/testpattern.dzi');
});
QUnit.test('Zombie Cache Replace Item', function(test) {
const done = test.async();
//TODO FIX
test.ok("TODO: FIX TEST SUITE FOR NEW CACHE SYSTEM");
done();
// //test jobs by coverage: fail if
// let jobCounter = 0, coverage = undefined;
// OpenSeadragon.ImageLoader.prototype.addJob = function (options) {
// jobCounter++;
// if (coverage) {
// //old coverage of previous tiled image: if loaded, fail --> should be in cache
// const coverageItem = coverage[options.tile.level][options.tile.x][options.tile.y];
// if (!coverageItem) {
// console.warn(coverage, coverage[options.tile.level][options.tile.x], options.tile);
// }
// test.ok(!coverageItem, "Attempt to add job for tile data that was previously loaded.");
// }
// return originalJob.call(this, options);
// };
//
// let tilesFinished = 0;
// const tileCounter = function (event) {tilesFinished++;}
//
// const openHandler = function(event) {
// event.item.allowZombieCache(true);
// viewer.world.removeHandler('add-item', openHandler);
// viewer.world.addHandler('add-item', reopenHandler);
//
// waitFor(() => {
// if (tilesFinished === jobCounter && event.item._fullyLoaded) {
// coverage = $.extend(true, {}, event.item.coverage);
// viewer.addTiledImage({
// tileSource: '/test/data/testpattern.dzi',
// index: 0,
// replace: true
// });
// return true;
// }
// return false;
// });
// };
//
// const reopenHandler = function (event) {
// event.item.allowZombieCache(true);
//
// viewer.removeHandler('add-item', reopenHandler);
// waitFor(() => {
// if (event.item._fullyLoaded) {
// viewer.removeHandler('tile-unloaded', unloadTileHandler);
// viewer.removeHandler('tile-loaded', tileCounter);
//
// //console test needs here explicit removal to finish correctly
// OpenSeadragon.ImageLoader.prototype.addJob = originalJob;
// done();
// return true;
// }
// return false;
// });
// };
//
// const unloadTileHandler = function (event) {
// test.equal(event.destroyed, false, "Tile unload event should not delete with zombies!");
// }
//
// viewer.world.addHandler('add-item', openHandler);
// viewer.addHandler('tile-unloaded', unloadTileHandler);
// viewer.addHandler('tile-loaded', tileCounter);
//
// viewer.open('/test/data/testpattern.dzi');
});
})();