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271 lines
10 KiB
JavaScript
271 lines
10 KiB
JavaScript
const should = require('should/as-function')
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const Metadata = require('../../src/model/metadata')
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const fixtures = require('../fixtures')
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describe('Metadata', function () {
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describe('date taken', function () {
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it('reads the EXIF date if present', function () {
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const exiftool = fixtures.exiftool()
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exiftool.EXIF.DateTimeOriginal = '2016:10:28 17:34:58' // EXIF date format
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const meta = new Metadata(exiftool)
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should(meta.date).eql(fixtures.date('2016-10-28 17:34:58').getTime())
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})
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it('reads the H264 date if present', function () {
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const exiftool = fixtures.exiftool()
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exiftool.H264.DateTimeOriginal = '2016:10:28 17:34:58' // EXIF date format
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const meta = new Metadata(exiftool)
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should(meta.date).eql(fixtures.date('2016-10-28 17:34:58').getTime())
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})
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it('reads the QuickTime CreationDate if present', function () {
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const exiftool = fixtures.exiftool()
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exiftool.QuickTime.CreationDate = '2016:10:28 17:34:58' // EXIF date format
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const meta = new Metadata(exiftool)
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should(meta.date).eql(fixtures.date('2016-10-28 17:34:58').getTime())
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})
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it('reads the QuickTime CreateDate if present', function () {
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const exiftool = fixtures.exiftool()
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exiftool.QuickTime.CreateDate = '2016:10:28 17:34:58' // EXIF date format
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const meta = new Metadata(exiftool)
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should(meta.date).eql(fixtures.date('2016-10-28 17:34:58').getTime())
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})
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it('prefers the ContentCreateDate field if present', function () {
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// when exporting a movie from the macOS Photos app, it sets
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// CreateDate=date_of_export and ContentCreateDate=date_taken
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const exiftool = fixtures.exiftool()
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exiftool.QuickTime.CreateDate = '2016:10:28 17:34:58' // EXIF date format
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exiftool.QuickTime.ContentCreateDate = '2016:09:02 10:25:41' // EXIF date format
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const meta = new Metadata(exiftool)
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should(meta.date).eql(fixtures.date('2016-09-02 10:25:41').getTime())
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})
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it('infers the date from the filename (Android format)', function () {
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const exiftool = fixtures.exiftool()
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exiftool.SourceFile = 'folder/VID_20170220_114006.mp4'
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const meta = new Metadata(exiftool)
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should(meta.date).eql(fixtures.date('2017-02-20 11:40:06').getTime())
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})
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it('infers the date from the filename (Dropbox format)', function () {
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const exiftool = fixtures.exiftool()
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exiftool.SourceFile = 'folder/2017-03-24 19.42.30.jpg'
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const meta = new Metadata(exiftool)
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should(meta.date).eql(fixtures.date('2017-03-24 19:42:30').getTime())
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})
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it('only infers dates from valid formats', function () {
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const exiftool = fixtures.exiftool()
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exiftool.SourceFile = 'folder/IMG_1234.jpg'
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exiftool.File.FileModifyDate = '2016:10:28 17:34:58'
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const meta = new Metadata(exiftool)
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should(meta.date).eql(fixtures.date('2016-10-28 17:34:58').getTime())
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})
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it('does not look at the file name if it already has EXIF data', function () {
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const exiftool = fixtures.exiftool()
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exiftool.SourceFile = '2017-03-24 19.42.30.jpg'
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exiftool.EXIF.DateTimeOriginal = '2016:10:28 17:34:58'
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const meta = new Metadata(exiftool)
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should(meta.date).eql(fixtures.date('2016-10-28 17:34:58').getTime())
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})
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it('defaults to the file date if there is no other date', function () {
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const exiftool = fixtures.exiftool()
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exiftool.File.FileModifyDate = '2016:10:28 17:34:58'
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const meta = new Metadata(exiftool)
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should(meta.date).eql(fixtures.date('2016-10-28 17:34:58').getTime())
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})
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it('ignores the EXIF date if invalid', function () {
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const exiftool = fixtures.exiftool()
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exiftool.EXIF.DateTimeOriginal = '0000:00:00 00:00:00'
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exiftool.File.FileModifyDate = '2016:10:28 17:34:58'
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const meta = new Metadata(exiftool)
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should(meta.date).eql(fixtures.date('2016-10-28 17:34:58').getTime())
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})
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it('ignores the filename if not a valid date', function () {
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const exiftool = fixtures.exiftool()
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exiftool.SourceFile = '0000-00-00 00.00.00.jpg'
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exiftool.File.FileModifyDate = '2016:10:28 17:34:58'
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const meta = new Metadata(exiftool)
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should(meta.date).eql(fixtures.date('2016-10-28 17:34:58').getTime())
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})
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})
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describe('photos and videos', function () {
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it('can tell if a file is a regular photo', function () {
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const exiftool = fixtures.exiftool()
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exiftool.File.MIMEType = 'image/jpeg'
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const meta = new Metadata(exiftool)
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should(meta.video).eql(false)
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should(meta.animated).eql(false)
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})
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it('can tell if a file is a non-animated gif', function () {
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const exiftool = fixtures.exiftool()
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exiftool.File.MIMEType = 'image/gif'
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const meta = new Metadata(exiftool)
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should(meta.video).eql(false)
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should(meta.animated).eql(false)
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})
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it('can tell if a file is an animated gif', function () {
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const exiftool = fixtures.exiftool()
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exiftool.File.MIMEType = 'image/gif'
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exiftool.GIF = { FrameCount: 10 }
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const meta = new Metadata(exiftool)
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should(meta.video).eql(false)
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should(meta.animated).eql(true)
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})
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it('can tell if a file is a video', function () {
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const exiftool = fixtures.exiftool()
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exiftool.File.MIMEType = 'video/mp4'
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const meta = new Metadata(exiftool)
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should(meta.video).eql(true)
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should(meta.animated).eql(false)
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})
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})
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describe('caption', function () {
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it('is read from all standard EXIF/IPTC/XMP tags', function () {
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const tags = [
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{ type: 'EXIF', tag: 'ImageDescription' },
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{ type: 'IPTC', tag: 'Caption-Abstract' },
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{ type: 'IPTC', tag: 'Headline' },
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{ type: 'XMP', tag: 'Description' },
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{ type: 'XMP', tag: 'Title' },
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{ type: 'XMP', tag: 'Label' }
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]
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tags.forEach(t => {
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const exiftool = fixtures.exiftool()
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exiftool[t.type][t.tag] = 'some caption'
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const meta = new Metadata(exiftool)
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should(meta.caption).eql('some caption')
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})
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})
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it('can be read from Picasa', function () {
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const exiftool = fixtures.exiftool()
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const picasa = { caption: 'some caption' }
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const meta = new Metadata(exiftool, picasa)
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should(meta.caption).eql('some caption')
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})
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})
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describe('keywords', function () {
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it('defaults to an empty array', function () {
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const exiftool = fixtures.exiftool()
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const meta = new Metadata(exiftool)
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should(meta.keywords).eql([])
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})
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it('can read a single IPTC keyword', function () {
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// a single keyword is returned as a string by <exiftool>
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const exiftool = fixtures.exiftool()
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exiftool.IPTC.Keywords = 'beach'
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const meta = new Metadata(exiftool, {})
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should(meta.keywords).eql(['beach'])
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})
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it('can read multiple IPTC keywords', function () {
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// multiple keywords are returned as an array by <exiftool>
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const exiftool = fixtures.exiftool()
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exiftool.IPTC.Keywords = ['beach', 'sunset']
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const meta = new Metadata(exiftool)
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should(meta.keywords).eql(['beach', 'sunset'])
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})
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it('can read a single Picasa keywords', function () {
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const exiftool = fixtures.exiftool()
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const picasa = { keywords: 'beach' }
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const meta = new Metadata(exiftool, picasa)
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should(meta.keywords).eql(['beach'])
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})
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it('can read multiple Picasa keywords', function () {
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// because it's a simple INI file, multiple keywords are comma-separated
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const exiftool = fixtures.exiftool()
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const picasa = { keywords: 'beach,sunset' }
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const meta = new Metadata(exiftool, picasa)
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should(meta.keywords).eql(['beach', 'sunset'])
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})
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it('combines all keyword sources', function () {
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const exiftool = fixtures.exiftool()
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exiftool.IPTC.Keywords = ['beach', 'sunset']
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exiftool.XMP.Subject = 'holiday'
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const picasa = { keywords: 'sandiego' }
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const meta = new Metadata(exiftool, picasa, {})
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should(meta.keywords).eql(['beach', 'sunset', 'holiday', 'sandiego'])
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})
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it('only keeps unique keywords', function () {
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const exiftool = fixtures.exiftool()
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exiftool.IPTC.Keywords = ['beach', 'sunset']
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exiftool.XMP.Subject = ['beach', 'holiday']
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const meta = new Metadata(exiftool)
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should(meta.keywords).eql(['beach', 'sunset', 'holiday'])
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})
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})
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describe('rating', function () {
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it('defaults to a rating of 0', function () {
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const exiftool = fixtures.exiftool()
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const meta = new Metadata(exiftool)
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should(meta.rating).eql(0)
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})
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it('reads the rating from the XMP tags', function () {
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const exiftool = fixtures.exiftool()
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exiftool.XMP.Rating = 3
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const meta = new Metadata(exiftool)
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should(meta.rating).eql(3)
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})
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})
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describe('favourite', function () {
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it('defaults to false', function () {
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const exiftool = fixtures.exiftool()
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const meta = new Metadata(exiftool)
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should(meta.favourite).eql(false)
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})
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it('understands the Picasa <star> feature', function () {
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const exiftool = fixtures.exiftool()
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const picasa = { star: 'yes' }
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const meta = new Metadata(exiftool, picasa)
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should(meta.favourite).eql(true)
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})
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})
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describe('size', function () {
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it('can get an image width and height', function () {
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const exiftool = fixtures.exiftool()
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exiftool.Composite = { ImageSize: '800x600' }
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const meta = new Metadata(exiftool)
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should(meta.width).eql(800)
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should(meta.height).eql(600)
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})
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it('defaults to null when there is no Composite data', function () {
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const exiftool = fixtures.exiftool()
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const meta = new Metadata(exiftool)
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should(meta.width).eql(null)
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should(meta.width).eql(null)
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})
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it('defaults to null when there is no ImageSize data', function () {
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const exiftool = fixtures.exiftool()
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exiftool.Composite = { Other: 'Data' }
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const meta = new Metadata(exiftool)
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should(meta.width).eql(null)
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should(meta.width).eql(null)
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})
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})
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})
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