overleaf/services/document-updater/test/unit/js/DiffCodec/DiffCodecTests.js

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/* eslint-disable
handle-callback-err,
no-return-assign,
no-unused-vars,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
* decaffeinate suggestions:
* DS102: Remove unnecessary code created because of implicit returns
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
const sinon = require('sinon')
const { expect } = require('chai')
const modulePath = '../../../../app/js/DiffCodec.js'
const SandboxedModule = require('sandboxed-module')
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describe('DiffCodec', function () {
beforeEach(function () {
this.callback = sinon.stub()
return (this.DiffCodec = SandboxedModule.require(modulePath))
})
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return describe('diffAsShareJsOps', function () {
it('should insert new text correctly', function (done) {
this.before = ['hello world']
this.after = ['hello beautiful world']
return this.DiffCodec.diffAsShareJsOp(
this.before,
this.after,
(error, ops) => {
expect(ops).to.deep.equal([
{
i: 'beautiful ',
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p: 6,
},
])
return done()
}
)
})
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it('should shift later inserts by previous inserts', function (done) {
this.before = ['the boy played with the ball']
this.after = ['the tall boy played with the red ball']
return this.DiffCodec.diffAsShareJsOp(
this.before,
this.after,
(error, ops) => {
expect(ops).to.deep.equal([
{ i: 'tall ', p: 4 },
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{ i: 'red ', p: 29 },
])
return done()
}
)
})
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it('should delete text correctly', function (done) {
this.before = ['hello beautiful world']
this.after = ['hello world']
return this.DiffCodec.diffAsShareJsOp(
this.before,
this.after,
(error, ops) => {
expect(ops).to.deep.equal([
{
d: 'beautiful ',
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p: 6,
},
])
return done()
}
)
})
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return it('should shift later deletes by the first deletes', function (done) {
this.before = ['the tall boy played with the red ball']
this.after = ['the boy played with the ball']
return this.DiffCodec.diffAsShareJsOp(
this.before,
this.after,
(error, ops) => {
expect(ops).to.deep.equal([
{ d: 'tall ', p: 4 },
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{ d: 'red ', p: 24 },
])
return done()
}
)
})
})
})