Files
openlayers/test/spec/ol/format/iiif.test.js
2019-05-09 18:00:18 +02:00

279 lines
8.7 KiB
JavaScript

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