Refactor IIIFInfo and add tests
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Lutz Helm
Lutz Helm
278
test/spec/ol/format/iiif.test.js
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278
test/spec/ol/format/iiif.test.js
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import IIIFInfo from '../../../../src/ol/format/IIIFInfo.js';
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import {Versions} from '../../../../src/ol/format/IIIFInfo.js';
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describe('ol.format.IIIF', function() {
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const iiifInfo = new IIIFInfo(),
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imageInfoVersion1_0Level0 = {
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identifier: 'identifier-version-1.0',
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width: 2000,
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height: 1500,
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profile: 'http://library.stanford.edu/iiif/image-api/compliance.html#level0'
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},
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imageInfoVersion2Level1 = {
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'@context': 'http://iiif.io/api/image/2/context.json',
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'@id': 'http://iiif.test/version2/id',
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width: 2000,
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height: 1500,
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profile: [
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'http://iiif.io/api/image/2/level1.json'
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]
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},
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imageInfoVersion2Level2 = {
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'@context': 'http://iiif.io/api/image/2/context.json',
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'@id': 'http://iiif.test/version2/id',
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width: 2000,
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height: 1500,
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profile: [
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'http://iiif.io/api/image/2/level2.json'
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]
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};
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describe('constructor', function() {
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});
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describe('setImageInfo', function() {
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it('can handle image info JSON as object or as string serialization', function() {
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iiifInfo.setImageInfo({
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'@context': 'http://iiif.io/api/image/3/context.json',
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'@id': 'http://iiif.test/id'
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});
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expect(iiifInfo.getImageApiVersion()).to.be(Versions.VERSION3);
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iiifInfo.setImageInfo('{"@context": "http://iiif.io/api/image/2/context.json","@id":"http://iiif.test/id"}');
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expect(iiifInfo.getImageApiVersion()).to.be(Versions.VERSION2);
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});
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});
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describe('getImageApiVersion', function() {
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it('provides the correct Image API version', function() {
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iiifInfo.setImageInfo({
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'@id': 'http://iiif.test/id'
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});
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expect(function() {
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iiifInfo.getImageApiVersion();
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}).to.throwException();
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iiifInfo.setImageInfo({
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'identifier': 'http://iiif.test/id',
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'profile': 'this is no valid profile'
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});
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expect(function() {
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iiifInfo.getImageApiVersion();
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}).to.throwException();
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iiifInfo.setImageInfo({
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'@context': 'this is no valid context',
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'@id': 'http://iiif.test/id'
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});
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expect(function() {
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iiifInfo.getImageApiVersion();
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}).to.throwException();
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iiifInfo.setImageInfo({
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'identifier': 'http://iiif.test/id',
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profile: 'http://library.stanford.edu/iiif/image-api/compliance.html#level0'
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});
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expect(iiifInfo.getImageApiVersion()).to.be(Versions.VERSION1);
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iiifInfo.setImageInfo({
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'@context': 'http://library.stanford.edu/iiif/image-api/1.1/context.json',
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'@id': 'http://iiif.test/id'
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});
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expect(iiifInfo.getImageApiVersion()).to.be(Versions.VERSION1);
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iiifInfo.setImageInfo({
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'@context': 'http://iiif.io/api/image/1/context.json',
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'identifier': 'http://iiif.test/id'
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});
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expect(iiifInfo.getImageApiVersion()).to.be(Versions.VERSION1);
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iiifInfo.setImageInfo({
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'@context': 'http://iiif.io/api/image/2/context.json',
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'@id': 'http://iiif.test/id'
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});
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expect(iiifInfo.getImageApiVersion()).to.be(Versions.VERSION2);
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iiifInfo.setImageInfo({
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'@context': 'http://iiif.io/api/image/3/context.json',
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'id': 'http://iiif.test/id'
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});
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expect(iiifInfo.getImageApiVersion()).to.be(Versions.VERSION3);
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});
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});
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describe('getComplianceLevelFromProfile', function() {
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it('detects the correct compliance level', function() {
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iiifInfo.setImageInfo({
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'@context': 'http://iiif.io/api/image/2/context.json',
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'profile': 'level0'
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});
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expect(iiifInfo.getComplianceLevelFromProfile()).to.be(undefined);
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iiifInfo.setImageInfo({
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'@context': 'http://iiif.io/api/image/2/context.json',
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'profile': 'http://iiif.io/api/image/level3.json'
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});
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expect(iiifInfo.getComplianceLevelFromProfile()).to.be(undefined);
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iiifInfo.setImageInfo({
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'@context': 'http://iiif.io/api/image/2/context.json',
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'profile': 'level1'
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});
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expect(iiifInfo.getComplianceLevelFromProfile()).to.be(undefined);
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iiifInfo.setImageInfo({
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'@context': 'http://iiif.io/api/image/2/context.json',
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'profile': 'http://iiif.io/api/image/2/level2.json'
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});
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expect(iiifInfo.getComplianceLevelFromProfile()).to.be('level2');
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iiifInfo.setImageInfo({
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'@context': 'http://iiif.io/api/image/2/context.json',
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'profile': ['http://iiif.io/api/image/2/level1.json']
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});
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expect(iiifInfo.getComplianceLevelFromProfile()).to.be('level1');
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iiifInfo.setImageInfo({
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'@context': 'http://iiif.io/api/image/3/context.json',
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'profile': 'level4'
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});
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expect(iiifInfo.getComplianceLevelFromProfile()).to.be(undefined);
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iiifInfo.setImageInfo({
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'@context': 'http://iiif.io/api/image/3/context.json',
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'profile': 'http://iiif.io/api/image/3/level3.json'
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});
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expect(iiifInfo.getComplianceLevelFromProfile()).to.be(undefined);
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iiifInfo.setImageInfo({
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'@context': 'http://iiif.io/api/image/3/context.json',
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'profile': 'http://iiif.io/api/image/2/level1.json'
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});
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expect(iiifInfo.getComplianceLevelFromProfile()).to.be(undefined);
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iiifInfo.setImageInfo({
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'@context': 'http://iiif.io/api/image/3/context.json',
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'profile': 'level2'
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});
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expect(iiifInfo.getComplianceLevelFromProfile()).to.be('level2');
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iiifInfo.setImageInfo({
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'@context': 'http://iiif.io/api/image/3/context.json',
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'profile': 'http://iiif.io/api/image/3/level1.json'
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});
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expect(iiifInfo.getComplianceLevelFromProfile()).to.be('level1');
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});
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});
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describe('getComplianceLevelSupportedFeatures', function() {
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it('provides the correct features for given versions and compliance levels', function() {
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iiifInfo.setImageInfo({
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'@context': 'http://library.stanford.edu/iiif/image-api/1.1/context.json',
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'profile': 'http://library.stanford.edu/iiif/image-api/compliance.html#level0'
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});
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expect();
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});
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});
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describe('getTileSourceOptions', function() {
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it('produces options from minimal information responses', function() {
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let imageInfo = {
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width: 2000,
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height: 1500
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};
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expect(function() {
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iiifInfo.setImageInfo(imageInfo);
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iiifInfo.getTileSourceOptions();
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}).to.throwException();
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imageInfo = {
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identifier: 'id',
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profile: 'http://library.stanford.edu/iiif/image-api/compliance.html#level0'
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};
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iiifInfo.setImageInfo(imageInfo);
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let options = iiifInfo.getTileSourceOptions(imageInfo);
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expect(options).to.be.an('object');
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expect(options).to.have.property('version', Versions.VERSION1);
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iiifInfo.setImageInfo(imageInfoVersion1_0Level0);
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options = iiifInfo.getTileSourceOptions();
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expect(options).to.not.be(undefined);
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expect(options).to.not.be(null);
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expect(options).to.have.property('version', Versions.VERSION1);
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expect(options).to.have.property('size');
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expect(options.size).to.be.an('array');
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expect(options.size.length).to.be(2);
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expect(options.size[0]).to.be(2000);
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expect(options.size[1]).to.be(1500);
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expect(options.quality).to.be('native');
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expect(options.url).to.be(undefined);
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expect(options.sizes).to.be(undefined);
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expect(options.tileSize).to.be(undefined);
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expect(options.format).to.be('jpg');
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expect(options.supports).to.be.empty();
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imageInfo = {
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'@context': 'http://iiif.io/api/image/2/context.json',
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'@id': 'http://iiif.test/version2/id'
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};
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iiifInfo.setImageInfo(imageInfo);
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options = iiifInfo.getTileSourceOptions();
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expect(options).to.be.an('object');
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expect(options).to.have.property('version', Versions.VERSION2);
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expect(options).to.have.property('url', 'http://iiif.test/version2/id');
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expect(options).to.have.property('format', 'jpg');
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});
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it('uses preferred options if applicable', function() {
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iiifInfo.setImageInfo(imageInfoVersion2Level2);
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const options = iiifInfo.getTileSourceOptions({
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quality: 'bitonal',
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format: 'png'
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});
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expect(options).to.have.property('quality', 'bitonal');
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expect(options).to.have.property('format', 'png');
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});
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it('ignores preferred options that are not supported', function() {
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iiifInfo.setImageInfo(imageInfoVersion2Level1);
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const options = iiifInfo.getTileSourceOptions({
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quality: 'bitonal',
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format: 'png'
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});
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expect(options).to.have.property('quality', 'default');
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expect(options).to.have.property('format', 'jpg');
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});
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});
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});
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