Add tests for IIIF tile source and fix source
The tests are still incomplete. This commit also corrects the IIIF source where tests have failed.
This commit is contained in:
Lutz Helm
Lutz Helm
271
test/spec/ol/source/iiif.test.js
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271
test/spec/ol/source/iiif.test.js
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// import {DEFAULT_TILE_SIZE} from '../../../../src/ol/tilegrid/common.js';
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import IIIF from '../../../../src/ol/source/IIIF.js';
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import {Versions} from '../../../../src/ol/format/IIIFInfo.js';
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// import {CustomTile} from '../../../../src/ol/source/Zoomify.js';
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// import TileGrid from '../../../../src/ol/tilegrid/TileGrid.js';
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describe('ol.source.IIIF', function() {
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const width = 2000,
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height = 1500,
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size = [width, height],
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url = 'http://iiif.test/image-id';
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function getMinimalSource() {
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return new IIIF({
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size: size
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});
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}
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function getSource(additionalOptions) {
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const options = Object.assign({}, {
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size: size,
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url: url
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}, additionalOptions === undefined ? {} : additionalOptions);
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return new IIIF(options);
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}
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describe('constructor', function() {
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it('requires valid size option', function() {
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expect(function() {
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new IIIF();
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}).to.throwException();
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expect(function() {
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new IIIF({});
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}).to.throwException();
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expect(function() {
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new IIIF({
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size: []
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});
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}).to.throwException();
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expect(function() {
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new IIIF({
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size: 100
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});
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}).to.throwException();
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expect(function() {
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new IIIF({
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size: [100]
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});
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}).to.throwException();
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expect(function() {
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new IIIF({
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size: [null, 100]
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});
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}).to.throwException();
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expect(function() {
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new IIIF({
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size: ['very wide', 100]
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});
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}).to.throwException();
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expect(function() {
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new IIIF({
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size: [0, 100]
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});
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}).to.throwException();
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expect(function() {
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new IIIF({
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size: [100, null]
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});
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}).to.throwException();
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expect(function() {
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new IIIF({
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size: [100, 0]
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});
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}).to.throwException();
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expect(function() {
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new IIIF({
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size: [100, 'not that high']
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});
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}).to.throwException();
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expect(function() {
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new IIIF({
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size: [100, 200, 300]
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});
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}).to.throwException();
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let source;
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expect(function() {
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source = new IIIF({
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size: [100, 200]
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});
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}).to.not.throwException();
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expect(source).to.be.a(IIIF);
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expect(function() {
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getMinimalSource();
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}).to.not.throwException();
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});
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it('uses empty base URL, default quality, jpg format as default', function() {
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const tileUrlFunction = getMinimalSource().getTileUrlFunction();
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expect(tileUrlFunction([0, 0, 0])).to.be('full/full/0/default.jpg');
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});
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it('uses native as default quality for version 1', function() {
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const tileUrlFunction = new IIIF({
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size: size,
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version: Versions.VERSION1
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}).getTileUrlFunction();
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expect(tileUrlFunction([0, 0, 0])).to.be('full/full/0/native.jpg');
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});
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it('corrects non empty base URL if trailing slash is missing', function() {
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// missing trailing slash is added
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let tileUrlFunction = getSource().getTileUrlFunction();
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expect(tileUrlFunction([0, 0, 0])).to.be('http://iiif.test/image-id/full/full/0/default.jpg');
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// existent trailing slash isn't doubled
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tileUrlFunction = getSource({
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url: 'http://iiif.test/other-image-id/'
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}).getTileUrlFunction();
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expect(tileUrlFunction([0, 0, 0])).to.be('http://iiif.test/other-image-id/full/full/0/default.jpg');
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});
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});
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describe('tileUrlFunction', function() {
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it('has only one resolution and one tile if no tiles, resolutions, sizes and supported features are given', function() {
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let tileUrlFunction = getSource().getTileUrlFunction();
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expect(tileUrlFunction([0, 0, 0])).to.be('http://iiif.test/image-id/full/full/0/default.jpg');
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expect(tileUrlFunction([-1, 0, 0])).to.be(undefined);
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expect(tileUrlFunction([1, 0, 0])).to.be(undefined);
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expect(tileUrlFunction([0, 1, 0])).to.be(undefined);
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expect(tileUrlFunction([0, 0, 1])).to.be(undefined);
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tileUrlFunction = getSource({
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version: Versions.VERSION1
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}).getTileUrlFunction();
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expect(tileUrlFunction([0, 0, 0])).to.be('http://iiif.test/image-id/full/full/0/native.jpg');
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tileUrlFunction = getSource({
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version: Versions.VERSION3
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}).getTileUrlFunction();
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expect(tileUrlFunction([0, 0, 0])).to.be('http://iiif.test/image-id/full/max/0/default.jpg');
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});
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it('constructs the same number of resolutions as sizes are given', function() {
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let tileUrlFunction = getSource({
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sizes: [[2000, 1500], [1000, 750], [500, 375]]
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}).getTileUrlFunction();
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expect(tileUrlFunction([0, 0, 0])).to.be('http://iiif.test/image-id/full/500,/0/default.jpg');
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expect(tileUrlFunction([1, 0, 0])).to.be('http://iiif.test/image-id/full/1000,/0/default.jpg');
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expect(tileUrlFunction([2, 0, 0])).to.be('http://iiif.test/image-id/full/full/0/default.jpg');
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expect(tileUrlFunction([3, 0, 0])).to.be(undefined);
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expect(tileUrlFunction([-1, 0, 0])).to.be(undefined);
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expect(tileUrlFunction([0, 1, 0])).to.be(undefined);
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expect(tileUrlFunction([0, 0, 1])).to.be(undefined);
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expect(tileUrlFunction([1, 1, 0])).to.be(undefined);
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expect(tileUrlFunction([1, 0, 1])).to.be(undefined);
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tileUrlFunction = getSource({
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sizes: [[2000, 1500], [1000, 750], [500, 375]],
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version: Versions.VERSION3
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}).getTileUrlFunction();
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expect(tileUrlFunction([0, 0, 0])).to.be('http://iiif.test/image-id/full/500,375/0/default.jpg');
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expect(tileUrlFunction([1, 0, 0])).to.be('http://iiif.test/image-id/full/1000,750/0/default.jpg');
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expect(tileUrlFunction([2, 0, 0])).to.be('http://iiif.test/image-id/full/max/0/default.jpg');
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tileUrlFunction = getSource({
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sizes: [[2000, 1500], [1000, 749], [1000, 750], [500, 375], [500, 374]]
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}).getTileUrlFunction();
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expect(tileUrlFunction([0, 0, 0])).to.be('http://iiif.test/image-id/full/500,/0/default.jpg');
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expect(tileUrlFunction([1, 0, 0])).to.be('http://iiif.test/image-id/full/1000,/0/default.jpg');
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expect(tileUrlFunction([2, 0, 0])).to.be('http://iiif.test/image-id/full/full/0/default.jpg');
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expect(tileUrlFunction([3, 0, 0])).to.be(undefined);
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});
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it('given resolutions without tilesize or supported features do not result in tiling', function() {
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const tileUrlFunction = getSource({
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resolutions: [16, 8, 4, 2, 1]
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}).getTileUrlFunction();
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expect(tileUrlFunction([0, 0, 0])).to.be('http://iiif.test/image-id/full/full/0/default.jpg');
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expect(tileUrlFunction([-1, 0, 0])).to.be(undefined);
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expect(tileUrlFunction([1, 0, 0])).to.be(undefined);
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expect(tileUrlFunction([0, 1, 0])).to.be(undefined);
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expect(tileUrlFunction([0, 0, 1])).to.be(undefined);
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});
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it('given tilesize results in tiling with minimal resolutions set and canonical URLs', function() {
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let tileUrlFunction = getSource({
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tileSize: 512
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}).getTileUrlFunction();
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expect(tileUrlFunction([0, 0, 0])).to.be('http://iiif.test/image-id/full/500,/0/default.jpg');
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expect(tileUrlFunction([-1, 0, 0])).to.be(undefined);
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expect(tileUrlFunction([0, 1, 0])).to.be(undefined);
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expect(tileUrlFunction([0, 0, 1])).to.be(undefined);
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expect(tileUrlFunction([1, 0, 0])).to.be('http://iiif.test/image-id/0,0,1024,1024/512,/0/default.jpg');
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expect(tileUrlFunction([1, 1, 0])).to.be('http://iiif.test/image-id/1024,0,976,1024/488,/0/default.jpg');
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expect(tileUrlFunction([1, 0, 1])).to.be('http://iiif.test/image-id/0,1024,1024,476/512,/0/default.jpg');
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expect(tileUrlFunction([1, 1, 1])).to.be('http://iiif.test/image-id/1024,1024,976,476/488,/0/default.jpg');
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expect(tileUrlFunction([2, 0, 0])).to.be('http://iiif.test/image-id/0,0,512,512/512,/0/default.jpg');
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expect(tileUrlFunction([2, 3, 0])).to.be('http://iiif.test/image-id/1536,0,464,512/464,/0/default.jpg');
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expect(tileUrlFunction([2, 0, 2])).to.be('http://iiif.test/image-id/0,1024,512,476/512,/0/default.jpg');
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expect(tileUrlFunction([2, 3, 2])).to.be('http://iiif.test/image-id/1536,1024,464,476/464,/0/default.jpg');
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expect(tileUrlFunction([3, 0, 0])).to.be(undefined);
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tileUrlFunction = getSource({
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tileSize: 512,
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version: Versions.VERSION3
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}).getTileUrlFunction();
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expect(tileUrlFunction([0, 0, 0])).to.be('http://iiif.test/image-id/full/500,375/0/default.jpg');
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expect(tileUrlFunction([1, 0, 0])).to.be('http://iiif.test/image-id/0,0,1024,1024/512,512/0/default.jpg');
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expect(tileUrlFunction([1, 1, 0])).to.be('http://iiif.test/image-id/1024,0,976,1024/488,512/0/default.jpg');
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expect(tileUrlFunction([1, 0, 1])).to.be('http://iiif.test/image-id/0,1024,1024,476/512,238/0/default.jpg');
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expect(tileUrlFunction([1, 1, 1])).to.be('http://iiif.test/image-id/1024,1024,976,476/488,238/0/default.jpg');
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expect(tileUrlFunction([2, 0, 0])).to.be('http://iiif.test/image-id/0,0,512,512/512,512/0/default.jpg');
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expect(tileUrlFunction([2, 3, 0])).to.be('http://iiif.test/image-id/1536,0,464,512/464,512/0/default.jpg');
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expect(tileUrlFunction([2, 0, 2])).to.be('http://iiif.test/image-id/0,1024,512,476/512,476/0/default.jpg');
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expect(tileUrlFunction([2, 3, 2])).to.be('http://iiif.test/image-id/1536,1024,464,476/464,476/0/default.jpg');
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});
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it('', function() {
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//expect(tileUrlFunction([]));
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});
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// canonical tiles
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// unsufficient features, no tilesize, but resolution given: static
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// sufficient features, no tilesize: default tilesize
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// sufficient features, tilesize: this one
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// sufficient features, all teh combinations
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});
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});
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