60 lines
1.4 KiB
JavaScript
60 lines
1.4 KiB
JavaScript
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'use strict'
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const { promisify } = require('util')
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const Pool = require('../pool')
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const { buildMockDispatch } = require('./mock-utils')
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const {
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kDispatches,
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kMockAgent,
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kClose,
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kOriginalClose,
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kOrigin,
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kOriginalDispatch,
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kConnected
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} = require('./mock-symbols')
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const { MockInterceptor } = require('./mock-interceptor')
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const Symbols = require('../core/symbols')
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const { InvalidArgumentError } = require('../core/errors')
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/**
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* MockPool provides an API that extends the Pool to influence the mockDispatches.
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*/
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class MockPool extends Pool {
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constructor (origin, opts) {
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super(origin, opts)
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if (!opts || !opts.agent || typeof opts.agent.dispatch !== 'function') {
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throw new InvalidArgumentError('Argument opts.agent must implement Agent')
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}
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this[kMockAgent] = opts.agent
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this[kOrigin] = origin
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this[kDispatches] = []
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this[kConnected] = 1
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this[kOriginalDispatch] = this.dispatch
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this[kOriginalClose] = this.close.bind(this)
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this.dispatch = buildMockDispatch.call(this)
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this.close = this[kClose]
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}
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get [Symbols.kConnected] () {
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return this[kConnected]
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}
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/**
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* Sets up the base interceptor for mocking replies from undici.
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*/
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intercept (opts) {
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return new MockInterceptor(opts, this[kDispatches])
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}
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async [kClose] () {
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await promisify(this[kOriginalClose])()
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this[kConnected] = 0
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this[kMockAgent][Symbols.kClients].delete(this[kOrigin])
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}
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}
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module.exports = MockPool
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