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bbe4137d81
Fix memory leaks in unit tests GitOrigin-RevId: e2b366dd9f277823db4c7c00c209da2b3774a0fe
68 lines
2 KiB
JavaScript
68 lines
2 KiB
JavaScript
const chai = require('chai')
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const sinon = require('sinon')
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// add chai.should()
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chai.should()
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// Load sinon-chai assertions so expect(stubFn).to.have.been.calledWith('abc')
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// has a nicer failure messages
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chai.use(require('sinon-chai'))
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// Load promise support for chai
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chai.use(require('chai-as-promised'))
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// Do not truncate assertion errors
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chai.config.truncateThreshold = 0
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// add support for mongoose in sinon
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require('sinon-mongoose')
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afterEach(function() {
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sinon.restore()
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})
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const SandboxedModule = require('sandboxed-module')
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const PromisesUtils = require('../../app/src/util/promises')
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const Errors = require('../../app/src/Features/Errors/Errors')
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const GLOBAL_REQUIRE_CACHE_FOR_SANDBOXED_MODULES = {
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// cache p-limit for all expressify/promisifyAll users
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'../../util/promises': PromisesUtils,
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'../../../../app/src/util/promises': PromisesUtils,
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// Errors are widely used and instance checks need the exact same prototypes
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'../Errors/Errors': Errors,
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'../../../../app/src/Features/Errors/Errors': Errors,
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'../../../../../app/src/Features/Errors/Errors': Errors
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}
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const LIBRARIES = [
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'@overleaf/o-error',
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'async',
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'lodash',
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'moment',
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'underscore',
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'xml2js',
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'json2csv',
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'sanitize-html',
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'marked'
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]
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LIBRARIES.forEach(lib => {
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GLOBAL_REQUIRE_CACHE_FOR_SANDBOXED_MODULES[lib] = require(lib)
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})
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SandboxedModule.configure({
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requires: GLOBAL_REQUIRE_CACHE_FOR_SANDBOXED_MODULES
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})
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// sandboxed-module somehow registers every fake module it creates in this
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// module's children array, which uses quite a big amount of memory. We'll take
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// a copy of the module children array and restore it after each test so that
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// the garbage collector has a chance to reclaim the fake modules.
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let initialModuleChildren
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before('record initial module children', function() {
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initialModuleChildren = module.children.slice()
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})
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afterEach('restore module children', function() {
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// Delete leaking sandboxed modules
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module.children = initialModuleChildren.slice()
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})
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