mirror of
https://github.com/overleaf/overleaf.git
synced 2024-09-16 02:52:31 -04:00
439 lines
14 KiB
JavaScript
439 lines
14 KiB
JavaScript
/* eslint-disable
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camelcase,
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mocha/no-identical-title,
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no-return-assign,
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*/
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// TODO: This file was created by bulk-decaffeinate.
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// Fix any style issues and re-enable lint.
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/*
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* decaffeinate suggestions:
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* DS101: Remove unnecessary use of Array.from
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* DS102: Remove unnecessary code created because of implicit returns
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* DS202: Simplify dynamic range loops
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* DS205: Consider reworking code to avoid use of IIFEs
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* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
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*/
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const text = require('../../../../app/js/sharejs/types/text')
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require('chai').should()
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const RangesTracker = require('../../../../app/js/RangesTracker')
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describe('ShareJS text type', function () {
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beforeEach(function () {
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return (this.t = 'mock-thread-id')
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})
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describe('transform', function () {
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describe('insert / insert', function () {
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it('with an insert before', function () {
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const dest = []
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text._tc(dest, { i: 'foo', p: 9 }, { i: 'bar', p: 3 })
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return dest.should.deep.equal([{ i: 'foo', p: 12 }])
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})
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it('with an insert after', function () {
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const dest = []
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text._tc(dest, { i: 'foo', p: 3 }, { i: 'bar', p: 9 })
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return dest.should.deep.equal([{ i: 'foo', p: 3 }])
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})
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it("with an insert at the same place with side == 'right'", function () {
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const dest = []
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text._tc(dest, { i: 'foo', p: 3 }, { i: 'bar', p: 3 }, 'right')
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return dest.should.deep.equal([{ i: 'foo', p: 6 }])
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})
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return it("with an insert at the same place with side == 'left'", function () {
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const dest = []
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text._tc(dest, { i: 'foo', p: 3 }, { i: 'bar', p: 3 }, 'left')
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return dest.should.deep.equal([{ i: 'foo', p: 3 }])
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})
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})
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describe('insert / delete', function () {
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it('with a delete before', function () {
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const dest = []
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text._tc(dest, { i: 'foo', p: 9 }, { d: 'bar', p: 3 })
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return dest.should.deep.equal([{ i: 'foo', p: 6 }])
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})
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it('with a delete after', function () {
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const dest = []
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text._tc(dest, { i: 'foo', p: 3 }, { d: 'bar', p: 9 })
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return dest.should.deep.equal([{ i: 'foo', p: 3 }])
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})
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it("with a delete at the same place with side == 'right'", function () {
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const dest = []
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text._tc(dest, { i: 'foo', p: 3 }, { d: 'bar', p: 3 }, 'right')
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return dest.should.deep.equal([{ i: 'foo', p: 3 }])
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})
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return it("with a delete at the same place with side == 'left'", function () {
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const dest = []
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text._tc(dest, { i: 'foo', p: 3 }, { d: 'bar', p: 3 }, 'left')
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return dest.should.deep.equal([{ i: 'foo', p: 3 }])
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})
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})
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describe('delete / insert', function () {
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it('with an insert before', function () {
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const dest = []
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text._tc(dest, { d: 'foo', p: 9 }, { i: 'bar', p: 3 })
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return dest.should.deep.equal([{ d: 'foo', p: 12 }])
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})
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it('with an insert after', function () {
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const dest = []
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text._tc(dest, { d: 'foo', p: 3 }, { i: 'bar', p: 9 })
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return dest.should.deep.equal([{ d: 'foo', p: 3 }])
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})
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it("with an insert at the same place with side == 'right'", function () {
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const dest = []
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text._tc(dest, { d: 'foo', p: 3 }, { i: 'bar', p: 3 }, 'right')
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return dest.should.deep.equal([{ d: 'foo', p: 6 }])
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})
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it("with an insert at the same place with side == 'left'", function () {
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const dest = []
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text._tc(dest, { d: 'foo', p: 3 }, { i: 'bar', p: 3 }, 'left')
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return dest.should.deep.equal([{ d: 'foo', p: 6 }])
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})
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return it('with a delete that overlaps the insert location', function () {
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const dest = []
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text._tc(dest, { d: 'foo', p: 3 }, { i: 'bar', p: 4 })
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return dest.should.deep.equal([
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{ d: 'f', p: 3 },
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{ d: 'oo', p: 6 }
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])
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})
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})
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describe('delete / delete', function () {
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it('with a delete before', function () {
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const dest = []
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text._tc(dest, { d: 'foo', p: 9 }, { d: 'bar', p: 3 })
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return dest.should.deep.equal([{ d: 'foo', p: 6 }])
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})
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it('with a delete after', function () {
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const dest = []
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text._tc(dest, { d: 'foo', p: 3 }, { d: 'bar', p: 9 })
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return dest.should.deep.equal([{ d: 'foo', p: 3 }])
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})
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it('with deleting the same content', function () {
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const dest = []
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text._tc(dest, { d: 'foo', p: 3 }, { d: 'foo', p: 3 }, 'right')
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return dest.should.deep.equal([])
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})
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it('with the delete overlapping before', function () {
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const dest = []
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text._tc(dest, { d: 'foobar', p: 3 }, { d: 'abcfoo', p: 0 }, 'right')
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return dest.should.deep.equal([{ d: 'bar', p: 0 }])
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})
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it('with the delete overlapping after', function () {
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const dest = []
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text._tc(dest, { d: 'abcfoo', p: 3 }, { d: 'foobar', p: 6 })
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return dest.should.deep.equal([{ d: 'abc', p: 3 }])
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})
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it('with the delete overlapping the whole delete', function () {
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const dest = []
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text._tc(dest, { d: 'abcfoo123', p: 3 }, { d: 'foo', p: 6 })
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return dest.should.deep.equal([{ d: 'abc123', p: 3 }])
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})
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return it('with the delete inside the whole delete', function () {
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const dest = []
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text._tc(dest, { d: 'foo', p: 6 }, { d: 'abcfoo123', p: 3 })
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return dest.should.deep.equal([])
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})
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})
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describe('comment / insert', function () {
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it('with an insert before', function () {
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const dest = []
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text._tc(dest, { c: 'foo', p: 9, t: this.t }, { i: 'bar', p: 3 })
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return dest.should.deep.equal([{ c: 'foo', p: 12, t: this.t }])
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})
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it('with an insert after', function () {
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const dest = []
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text._tc(dest, { c: 'foo', p: 3, t: this.t }, { i: 'bar', p: 9 })
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return dest.should.deep.equal([{ c: 'foo', p: 3, t: this.t }])
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})
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it('with an insert at the left edge', function () {
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const dest = []
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text._tc(dest, { c: 'foo', p: 3, t: this.t }, { i: 'bar', p: 3 })
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// RangesTracker doesn't inject inserts into comments on edges, so neither should we
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return dest.should.deep.equal([{ c: 'foo', p: 6, t: this.t }])
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})
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it('with an insert at the right edge', function () {
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const dest = []
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text._tc(dest, { c: 'foo', p: 3, t: this.t }, { i: 'bar', p: 6 })
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// RangesTracker doesn't inject inserts into comments on edges, so neither should we
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return dest.should.deep.equal([{ c: 'foo', p: 3, t: this.t }])
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})
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return it('with an insert in the middle', function () {
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const dest = []
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text._tc(dest, { c: 'foo', p: 3, t: this.t }, { i: 'bar', p: 5 })
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return dest.should.deep.equal([{ c: 'fobaro', p: 3, t: this.t }])
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})
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})
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describe('comment / delete', function () {
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it('with a delete before', function () {
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const dest = []
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text._tc(dest, { c: 'foo', p: 9, t: this.t }, { d: 'bar', p: 3 })
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return dest.should.deep.equal([{ c: 'foo', p: 6, t: this.t }])
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})
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it('with a delete after', function () {
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const dest = []
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text._tc(dest, { c: 'foo', p: 3, t: this.t }, { i: 'bar', p: 9 })
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return dest.should.deep.equal([{ c: 'foo', p: 3, t: this.t }])
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})
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it('with a delete overlapping the comment content before', function () {
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const dest = []
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text._tc(dest, { c: 'foobar', p: 6, t: this.t }, { d: '123foo', p: 3 })
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return dest.should.deep.equal([{ c: 'bar', p: 3, t: this.t }])
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})
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it('with a delete overlapping the comment content after', function () {
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const dest = []
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text._tc(dest, { c: 'foobar', p: 6, t: this.t }, { d: 'bar123', p: 9 })
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return dest.should.deep.equal([{ c: 'foo', p: 6, t: this.t }])
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})
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it('with a delete overlapping the comment content in the middle', function () {
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const dest = []
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text._tc(dest, { c: 'foo123bar', p: 6, t: this.t }, { d: '123', p: 9 })
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return dest.should.deep.equal([{ c: 'foobar', p: 6, t: this.t }])
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})
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return it('with a delete overlapping the whole comment', function () {
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const dest = []
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text._tc(dest, { c: 'foo', p: 6, t: this.t }, { d: '123foo456', p: 3 })
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return dest.should.deep.equal([{ c: '', p: 3, t: this.t }])
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})
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})
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describe('comment / insert', function () {
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return it('should not do anything', function () {
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const dest = []
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text._tc(dest, { i: 'foo', p: 6 }, { c: 'bar', p: 3 })
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return dest.should.deep.equal([{ i: 'foo', p: 6 }])
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})
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})
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describe('comment / delete', function () {
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return it('should not do anything', function () {
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const dest = []
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text._tc(dest, { d: 'foo', p: 6 }, { c: 'bar', p: 3 })
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return dest.should.deep.equal([{ d: 'foo', p: 6 }])
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})
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})
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return describe('comment / comment', function () {
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return it('should not do anything', function () {
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const dest = []
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text._tc(dest, { c: 'foo', p: 6 }, { c: 'bar', p: 3 })
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return dest.should.deep.equal([{ c: 'foo', p: 6 }])
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})
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})
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})
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describe('apply', function () {
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it('should apply an insert', function () {
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return text.apply('foo', [{ i: 'bar', p: 2 }]).should.equal('fobaro')
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})
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it('should apply a delete', function () {
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return text
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.apply('foo123bar', [{ d: '123', p: 3 }])
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.should.equal('foobar')
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})
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it('should do nothing with a comment', function () {
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return text
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.apply('foo123bar', [{ c: '123', p: 3 }])
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.should.equal('foo123bar')
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})
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it('should throw an error when deleted content does not match', function () {
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return (() => text.apply('foo123bar', [{ d: '456', p: 3 }])).should.throw(
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Error
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)
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})
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return it('should throw an error when comment content does not match', function () {
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return (() => text.apply('foo123bar', [{ c: '456', p: 3 }])).should.throw(
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Error
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)
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})
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})
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return describe('applying ops and comments in different orders', function () {
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return it('should not matter which op or comment is applied first', function () {
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let length, p
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let asc, end
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let asc1, end1
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let asc3, end3
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const transform = function (op1, op2, side) {
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const d = []
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text._tc(d, op1, op2, side)
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return d
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}
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const applySnapshot = (snapshot, op) => text.apply(snapshot, op)
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const applyRanges = function (rangesTracker, ops) {
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for (const op of Array.from(ops)) {
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rangesTracker.applyOp(op, {})
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}
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return rangesTracker
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}
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const commentsEqual = function (comments1, comments2) {
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if (comments1.length !== comments2.length) {
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return false
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}
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comments1.sort((a, b) => {
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if (a.offset - b.offset === 0) {
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return a.length - b.length
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} else {
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return a.offset - b.offset
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}
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})
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comments2.sort((a, b) => {
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if (a.offset - b.offset === 0) {
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return a.length - b.length
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} else {
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return a.offset - b.offset
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}
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})
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for (let i = 0; i < comments1.length; i++) {
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const comment1 = comments1[i]
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const comment2 = comments2[i]
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if (
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comment1.offset !== comment2.offset ||
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comment1.length !== comment2.length
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) {
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return false
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}
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}
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return true
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}
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const SNAPSHOT = '123'
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const OPS = []
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// Insert ops
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for (
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p = 0, end = SNAPSHOT.length, asc = end >= 0;
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asc ? p <= end : p >= end;
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asc ? p++ : p--
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) {
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OPS.push({ i: 'a', p })
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OPS.push({ i: 'bc', p })
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}
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for (
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p = 0, end1 = SNAPSHOT.length - 1, asc1 = end1 >= 0;
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asc1 ? p <= end1 : p >= end1;
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asc1 ? p++ : p--
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) {
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var asc2, end2
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for (
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length = 1, end2 = SNAPSHOT.length - p, asc2 = end2 >= 1;
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asc2 ? length <= end2 : length >= end2;
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asc2 ? length++ : length--
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) {
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OPS.push({ d: SNAPSHOT.slice(p, p + length), p })
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}
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}
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for (
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p = 0, end3 = SNAPSHOT.length - 1, asc3 = end3 >= 0;
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asc3 ? p <= end3 : p >= end3;
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asc3 ? p++ : p--
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) {
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var asc4, end4
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for (
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length = 1, end4 = SNAPSHOT.length - p, asc4 = end4 >= 1;
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asc4 ? length <= end4 : length >= end4;
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asc4 ? length++ : length--
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) {
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OPS.push({ c: SNAPSHOT.slice(p, p + length), p, t: this.t })
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}
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}
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return (() => {
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const result = []
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for (var op1 of Array.from(OPS)) {
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result.push(
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(() => {
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const result1 = []
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for (const op2 of Array.from(OPS)) {
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const op1_t = transform(op1, op2, 'left')
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const op2_t = transform(op2, op1, 'right')
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const rt12 = new RangesTracker()
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const snapshot12 = applySnapshot(
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applySnapshot(SNAPSHOT, [op1]),
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op2_t
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)
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applyRanges(rt12, [op1])
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applyRanges(rt12, op2_t)
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const rt21 = new RangesTracker()
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const snapshot21 = applySnapshot(
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applySnapshot(SNAPSHOT, [op2]),
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op1_t
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)
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applyRanges(rt21, [op2])
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applyRanges(rt21, op1_t)
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if (snapshot12 !== snapshot21) {
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console.error(
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{ op1, op2, op1_t, op2_t, snapshot12, snapshot21 },
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'Ops are not consistent'
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)
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throw new Error('OT is inconsistent')
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}
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if (!commentsEqual(rt12.comments, rt21.comments)) {
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console.log(rt12.comments)
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console.log(rt21.comments)
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console.error(
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{
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op1,
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op2,
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op1_t,
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op2_t,
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rt12_comments: rt12.comments,
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rt21_comments: rt21.comments
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},
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'Comments are not consistent'
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)
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throw new Error('OT is inconsistent')
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} else {
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result1.push(undefined)
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}
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}
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return result1
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})()
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)
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}
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return result
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})()
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})
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})
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})
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