mirror of
https://github.com/lana-k/sqliteviz.git
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108 lines
3.3 KiB
JavaScript
108 lines
3.3 KiB
JavaScript
import { expect } from 'chai'
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import fu from '@/fileUtils.js'
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import sinon from 'sinon'
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describe('fileUtils.js', () => {
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it('exportToFile (octet/stream by default)', () => {
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const spyAnchor = document.createElement('a')
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sinon.spy(spyAnchor, 'click')
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sinon.spy(spyAnchor, 'remove')
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sinon.stub(document, 'createElement').returns(spyAnchor)
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sinon.spy(URL, 'createObjectURL')
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sinon.spy(URL, 'revokeObjectURL')
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sinon.spy(window, 'Blob')
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fu.exportToFile('foo', 'foo.txt')
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expect(document.createElement.calledOnceWith('a')).to.equal(true)
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expect(window.Blob.calledOnceWith(['foo'], { type: 'octet/stream' })).to.equal(true)
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const blob = window.Blob.returnValues[0]
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expect(URL.createObjectURL.calledOnceWith(blob)).to.equal(true)
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const url = URL.createObjectURL.returnValues[0]
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expect(spyAnchor.href).to.equal(url)
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expect(spyAnchor.download).to.equal('foo.txt')
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expect(spyAnchor.click.calledOnce).to.equal(true)
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expect(spyAnchor.remove.calledOnce).to.equal(true)
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expect(URL.revokeObjectURL.calledOnceWith(url)).to.equal(true)
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URL.revokeObjectURL.restore()
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URL.createObjectURL.restore()
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window.Blob.restore()
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document.createElement.restore()
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})
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it('exportToFile', () => {
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const spyAnchor = document.createElement('a')
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sinon.spy(spyAnchor, 'click')
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sinon.spy(spyAnchor, 'remove')
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sinon.stub(document, 'createElement').returns(spyAnchor)
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sinon.spy(URL, 'createObjectURL')
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sinon.spy(URL, 'revokeObjectURL')
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sinon.spy(window, 'Blob')
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fu.exportToFile('foo', 'foo.html', 'text/html')
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expect(document.createElement.calledOnceWith('a')).to.equal(true)
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expect(window.Blob.calledOnceWith(['foo'], { type: 'text/html' })).to.equal(true)
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const blob = window.Blob.returnValues[0]
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expect(URL.createObjectURL.calledOnceWith(blob)).to.equal(true)
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const url = URL.createObjectURL.returnValues[0]
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expect(spyAnchor.href).to.equal(url)
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expect(spyAnchor.download).to.equal('foo.html')
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expect(spyAnchor.click.calledOnce).to.equal(true)
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expect(spyAnchor.remove.calledOnce).to.equal(true)
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expect(URL.revokeObjectURL.calledOnceWith(url)).to.equal(true)
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URL.revokeObjectURL.restore()
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URL.createObjectURL.restore()
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window.Blob.restore()
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document.createElement.restore()
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})
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it('importFile', () => {
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const spyInput = document.createElement('input')
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sinon.spy(spyInput, 'click')
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sinon.spy(spyInput, 'remove')
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const blob = new Blob(['foo'])
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Object.defineProperty(spyInput, 'files', {
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value: [blob],
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writable: false
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})
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sinon.stub(document, 'createElement').returns(spyInput)
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setTimeout(() => { spyInput.dispatchEvent(new Event('change')) })
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return fu.importFile()
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.then((data) => {
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expect(data).to.equal('foo')
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expect(document.createElement.calledOnceWith('input')).to.equal(true)
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expect(spyInput.type).to.equal('file')
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expect(spyInput.accept).to.equal('.json')
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expect(spyInput.click.calledOnce).to.equal(true)
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expect(spyInput.remove.calledOnce).to.equal(true)
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document.createElement.restore()
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})
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})
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it('readFile', () => {
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sinon.spy(window, 'fetch')
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fu.readFile('./foo.bar')
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expect(window.fetch.calledOnceWith('./foo.bar')).to.equal(true)
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window.fetch.restore()
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})
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})
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