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27d943dcc30f28055e9d06986aa397b0ba2a64d6
openlayers/test/spec/ol/source/iiif.test.js
Lutz Helm 27d943dcc3 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.
2019-05-09 18:00:18 +02:00

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