overleaf/services/document-updater/test/unit/js/Limits/LimitsTests.js
Brian Gough 865a973426 Merge pull request #5132 from overleaf/bg-fix-size-check
[docupdater] use more accurate doc size check

GitOrigin-RevId: f66d68a7f7fdc127cc31539abdcab65549823d02
2021-09-21 08:02:55 +00:00

84 lines
3 KiB
JavaScript

const { expect } = require('chai')
const modulePath = '../../../../app/js/Limits.js'
const SandboxedModule = require('sandboxed-module')
describe('Limits', function () {
beforeEach(function () {
return (this.Limits = SandboxedModule.require(modulePath))
})
describe('getTotalSizeOfLines', function () {
it('should compute the character count for a document with multiple lines', function () {
const count = this.Limits.getTotalSizeOfLines(['123', '4567'])
expect(count).to.equal(9)
})
it('should compute the character count for a document with a single line', function () {
const count = this.Limits.getTotalSizeOfLines(['123'])
expect(count).to.equal(4)
})
it('should compute the character count for an empty document', function () {
const count = this.Limits.getTotalSizeOfLines([])
expect(count).to.equal(0)
})
})
describe('docIsTooLarge', function () {
describe('when the estimated size is below the limit', function () {
it('should return false when the estimated size is below the limit', function () {
const result = this.Limits.docIsTooLarge(128, ['hello', 'world'], 1024)
expect(result).to.be.false
})
})
describe('when the estimated size is at the limit', function () {
it('should return false when the estimated size is at the limit', function () {
const result = this.Limits.docIsTooLarge(1024, ['hello', 'world'], 1024)
expect(result).to.be.false
})
})
describe('when the estimated size is above the limit', function () {
it('should return false when the actual character count is below the limit', function () {
const result = this.Limits.docIsTooLarge(2048, ['hello', 'world'], 1024)
expect(result).to.be.false
})
it('should return false when the actual character count is at the limit', function () {
const result = this.Limits.docIsTooLarge(2048, ['x'.repeat(1023)], 1024)
expect(result).to.be.false
})
it('should return true when the actual character count is above the limit by 1', function () {
const count = this.Limits.docIsTooLarge(2048, ['x'.repeat(1024)], 1024)
expect(count).to.be.true
})
it('should return true when the actual character count is above the limit', function () {
const count = this.Limits.docIsTooLarge(2048, ['x'.repeat(2000)], 1024)
expect(count).to.be.true
})
})
describe('when the document has many lines', function () {
it('should return false when the actual character count is below the limit ', function () {
const count = this.Limits.docIsTooLarge(
2048,
'1234567890'.repeat(100).split('0'),
1024
)
expect(count).to.be.false
})
it('should return true when the actual character count is above the limit', function () {
const count = this.Limits.docIsTooLarge(
2048,
'1234567890'.repeat(2000).split('0'),
1024
)
expect(count).to.be.true
})
})
})
})