111 lines
3.3 KiB
JavaScript
111 lines
3.3 KiB
JavaScript
var createTestPackage = require('../../helpers/test-package');
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var Dgeni = require('dgeni');
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describe('addImageDimensions post-processor', () => {
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let processor, getImageDimensionsSpy, addImageDimensions, log;
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beforeEach(() => {
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const testPackage = createTestPackage('angular-base-package')
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.factory('getImageDimensions', mockGetImageDimensions);
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const dgeni = new Dgeni([testPackage]);
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const injector = dgeni.configureInjector();
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log = injector.get('log');
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addImageDimensions = injector.get('addImageDimensions');
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addImageDimensions.basePath = 'base/path';
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getImageDimensionsSpy = injector.get('getImageDimensions');
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processor = injector.get('postProcessHtml');
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processor.docTypes = ['a'];
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processor.plugins = [addImageDimensions];
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});
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it('should add the image dimensions into <img> tags', () => {
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const docs = [{
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docType: 'a',
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renderedContent: `
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<p>xxx</p>
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<img src="a/b.jpg">
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<p>yyy</p>
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<img src="c/d.png">
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<p>zzz</p>
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`
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}];
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processor.$process(docs);
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expect(getImageDimensionsSpy).toHaveBeenCalledWith('base/path', 'a/b.jpg');
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expect(getImageDimensionsSpy).toHaveBeenCalledWith('base/path', 'c/d.png');
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expect(docs).toEqual([{
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docType: 'a',
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renderedContent: `
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<p>xxx</p>
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<img src="a/b.jpg" width="10" height="20">
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<p>yyy</p>
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<img src="c/d.png" width="30" height="40">
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<p>zzz</p>
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`
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}]);
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});
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it('should log a warning for images with no src attribute', () => {
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const docs = [{
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docType: 'a',
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renderedContent: '<img attr="value">'
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}];
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processor.$process(docs);
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expect(getImageDimensionsSpy).not.toHaveBeenCalled();
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expect(docs).toEqual([{
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docType: 'a',
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renderedContent: '<img attr="value">'
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}]);
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expect(log.warn).toHaveBeenCalled();
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});
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it('should log a warning for images whose source cannot be loaded', () => {
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getImageDimensionsSpy.and.callFake(() => {
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const error = new Error('no such file or directory');
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error.code = 'ENOENT';
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throw error;
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});
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const docs = [{
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docType: 'a',
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renderedContent: '<img src="missing">'
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}];
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processor.$process(docs);
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expect(getImageDimensionsSpy).toHaveBeenCalled();
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expect(docs).toEqual([{
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docType: 'a',
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renderedContent: '<img src="missing">'
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}]);
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expect(log.warn).toHaveBeenCalled();
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});
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it('should ignore images with width or height attributes', () => {
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const docs = [{
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docType: 'a',
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renderedContent: `
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<img src="a/b.jpg" width="10">
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<img src="c/d.jpg" height="10">
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<img src="e/f.jpg" width="10" height="10">
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`
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}];
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processor.$process(docs);
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expect(getImageDimensionsSpy).not.toHaveBeenCalled();
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expect(docs).toEqual([{
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docType: 'a',
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renderedContent: `
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<img src="a/b.jpg" width="10">
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<img src="c/d.jpg" height="10">
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<img src="e/f.jpg" width="10" height="10">
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`
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}]);
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});
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function mockGetImageDimensions() {
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const imageInfo = {
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'a/b.jpg': { width: 10, height: 20 },
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'c/d.png': { width: 30, height: 40 },
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};
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// eslint-disable-next-line jasmine/no-unsafe-spy
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return jasmine.createSpy('getImageDimensions')
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.and.callFake((base, url) => imageInfo[url]);
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}
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});
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