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@@ -4,25 +4,34 @@ const emitter = require('namespace-emitter')
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const delay = duration => new Promise(resolve => setTimeout(resolve, duration))
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+function MockCore () {
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+ const core = emitter()
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+ const files = {}
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+ core.mockFile = (id, f) => { files[id] = f }
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+ core.getFile = (id) => files[id]
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+ core.log = () => null
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+ return core
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+}
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+
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describe('uploader/ThumbnailGeneratorPlugin', () => {
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it('should initialise successfully', () => {
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- const plugin = new ThumbnailGeneratorPlugin(null, {})
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+ const plugin = new ThumbnailGeneratorPlugin(new MockCore(), {})
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expect(plugin instanceof Plugin).toEqual(true)
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})
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it('should accept the thumbnailWidth option and override the default', () => {
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- const plugin1 = new ThumbnailGeneratorPlugin(null) // eslint-disable-line no-new
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+ const plugin1 = new ThumbnailGeneratorPlugin(new MockCore()) // eslint-disable-line no-new
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expect(plugin1.opts.thumbnailWidth).toEqual(200)
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- const plugin2 = new ThumbnailGeneratorPlugin(null, { thumbnailWidth: 100 }) // eslint-disable-line no-new
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+ const plugin2 = new ThumbnailGeneratorPlugin(new MockCore(), { thumbnailWidth: 100 }) // eslint-disable-line no-new
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expect(plugin2.opts.thumbnailWidth).toEqual(100)
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})
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describe('install', () => {
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it('should subscribe to uppy file-added event', () => {
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- const core = {
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+ const core = Object.assign(new MockCore(), {
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on: jest.fn()
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- }
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+ })
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const plugin = new ThumbnailGeneratorPlugin(core)
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plugin.addToQueue = jest.fn()
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@@ -35,10 +44,10 @@ describe('uploader/ThumbnailGeneratorPlugin', () => {
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describe('uninstall', () => {
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it('should unsubscribe from uppy file-added event', () => {
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- const core = {
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+ const core = Object.assign(new MockCore(), {
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on: jest.fn(),
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off: jest.fn()
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- }
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+ })
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const plugin = new ThumbnailGeneratorPlugin(core)
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plugin.addToQueue = jest.fn()
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@@ -55,7 +64,7 @@ describe('uploader/ThumbnailGeneratorPlugin', () => {
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describe('queue', () => {
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it('should add a new file to the queue and start processing the queue when queueProcessing is false', () => {
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- const core = {}
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+ const core = new MockCore()
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const plugin = new ThumbnailGeneratorPlugin(core)
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plugin.processQueue = jest.fn()
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@@ -73,7 +82,7 @@ describe('uploader/ThumbnailGeneratorPlugin', () => {
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})
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it('should process items in the queue one by one', () => {
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- const core = {}
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+ const core = new MockCore()
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const plugin = new ThumbnailGeneratorPlugin(core)
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plugin.requestThumbnail = jest.fn(() => delay(100))
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@@ -106,9 +115,47 @@ describe('uploader/ThumbnailGeneratorPlugin', () => {
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})
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})
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+ describe('events', () => {
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+ const core = new MockCore()
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+ const plugin = new ThumbnailGeneratorPlugin(core)
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+ plugin.createThumbnail = jest.fn((file) => delay(100).then(() => `blob:${file.id}.png`))
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+ plugin.setPreviewURL = jest.fn()
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+
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+ function add (file) {
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+ core.mockFile(file.id, file)
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+ plugin.addToQueue(file)
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+ }
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+
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+ it('should emit thumbnail:generated when a thumbnail was generated', () => new Promise((resolve, reject) => {
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+ const expected = ['bar', 'bar2', 'bar3']
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+ core.on('thumbnail:generated', (file, preview) => {
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+ try {
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+ expect(file.id).toBe(expected.shift())
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+ expect(preview).toBe(`blob:${file.id}.png`)
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+ } catch (err) {
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+ return reject(err)
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+ }
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+ if (expected.length === 0) resolve()
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+ })
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+ add({ id: 'bar', type: 'image/png' })
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+ add({ id: 'bar2', type: 'image/png' })
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+ add({ id: 'bar3', type: 'image/png' })
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+ }))
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+
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+ it('should emit thumbnail:all-generated when all thumbnails were generated', () => {
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+ return new Promise((resolve) => {
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+ core.on('thumbnail:all-generated', resolve)
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+ add({ id: 'bar4', type: 'image/png' })
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+ add({ id: 'bar5', type: 'image/png' })
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+ }).then(() => {
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+ expect(plugin.queue).toHaveLength(0)
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+ })
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+ })
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+ })
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+
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describe('requestThumbnail', () => {
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it('should call createThumbnail if it is a supported filetype', () => {
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- const core = {}
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+ const core = new MockCore()
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const plugin = new ThumbnailGeneratorPlugin(core)
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plugin.createThumbnail = jest
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@@ -127,7 +174,7 @@ describe('uploader/ThumbnailGeneratorPlugin', () => {
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})
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it('should not call createThumbnail if it is not a supported filetype', () => {
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- const core = {}
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+ const core = new MockCore()
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const plugin = new ThumbnailGeneratorPlugin(core)
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plugin.createThumbnail = jest
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@@ -142,7 +189,7 @@ describe('uploader/ThumbnailGeneratorPlugin', () => {
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})
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it('should not call createThumbnail if the file is remote', () => {
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- const core = {}
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+ const core = new MockCore()
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const plugin = new ThumbnailGeneratorPlugin(core)
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plugin.createThumbnail = jest
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@@ -157,7 +204,7 @@ describe('uploader/ThumbnailGeneratorPlugin', () => {
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})
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it('should call setPreviewURL with the thumbnail image', () => {
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- const core = {}
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+ const core = new MockCore()
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const plugin = new ThumbnailGeneratorPlugin(core)
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plugin.createThumbnail = jest
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@@ -199,7 +246,7 @@ describe('uploader/ThumbnailGeneratorPlugin', () => {
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describe('getProportionalHeight', () => {
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it('should calculate the resized height based on the specified width of the image whilst keeping aspect ratio', () => {
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- const core = {}
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+ const core = new MockCore()
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const plugin = new ThumbnailGeneratorPlugin(core)
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expect(
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plugin.getProportionalHeight({ width: 200, height: 100 }, 50)
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@@ -215,7 +262,7 @@ describe('uploader/ThumbnailGeneratorPlugin', () => {
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describe('canvasToBlob', () => {
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it('should use canvas.toBlob if available', () => {
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- const core = {}
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+ const core = new MockCore()
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const plugin = new ThumbnailGeneratorPlugin(core)
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const canvas = {
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toBlob: jest.fn()
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@@ -242,7 +289,7 @@ describe('uploader/ThumbnailGeneratorPlugin', () => {
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})
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xit('should scale down the image by the specified number of steps', () => {
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- const core = {}
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+ const core = new MockCore()
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const plugin = new ThumbnailGeneratorPlugin(core)
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const image = {
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width: 1000,
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@@ -299,7 +346,7 @@ describe('uploader/ThumbnailGeneratorPlugin', () => {
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describe('resizeImage', () => {
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it('should return a canvas with the resized image on it', () => {
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- const core = {}
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+ const core = new MockCore()
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const plugin = new ThumbnailGeneratorPlugin(core)
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const image = {
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width: 1000,
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@@ -324,7 +371,7 @@ describe('uploader/ThumbnailGeneratorPlugin', () => {
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})
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it('should upsize if original image is smaller than target size', () => {
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- const core = {}
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+ const core = new MockCore()
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const plugin = new ThumbnailGeneratorPlugin(core)
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const image = {
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width: 100,
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@@ -356,7 +403,7 @@ describe('uploader/ThumbnailGeneratorPlugin', () => {
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b: { preview: 'blob:def' },
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c: { preview: 'blob:xyz', isRestored: true }
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}
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- const core = Object.assign(emitter(), {
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+ const core = Object.assign(new MockCore(), {
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getState () {
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return { files }
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},
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@@ -380,7 +427,7 @@ describe('uploader/ThumbnailGeneratorPlugin', () => {
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const files = {
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a: { preview: 'http://abc', isRestored: true }
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}
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- const core = Object.assign(emitter(), {
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+ const core = Object.assign(new MockCore(), {
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getState () {
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return { files }
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},
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Artur Paikin
