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88 lines
2.6 KiB
JavaScript
88 lines
2.6 KiB
JavaScript
/*
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* Copyright (c) 2016-2017 Martin Donath <martin.donath@squidfunk.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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import selenium from "selenium-standalone"
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/* ----------------------------------------------------------------------------
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* Locals
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* ------------------------------------------------------------------------- */
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/* Selenium server */
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let server = null
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/* ----------------------------------------------------------------------------
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* Definition
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* ------------------------------------------------------------------------- */
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/**
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* Start Selenium
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*
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* @param {Function} done - Resolve callback
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*/
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export const start = done => {
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selenium.start({}, (err, proc) => {
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/* Register signal handlers */
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for (const signal of ["SIGTERM", "SIGINT", "exit"])
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process.on(signal, stop)
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if (err) {
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/* Install selenium, if not present */
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if (/^Missing(.*)chromedriver$/.test(err.message)) {
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new Promise(resolve => {
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selenium.install({}, resolve)
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})
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/* Start selenium again */
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.then(() => {
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selenium.start({}, (err_, proc_) => {
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server = proc_
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done()
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})
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})
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/* Otherwise, throw error */
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} else {
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throw err
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}
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}
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/* Remember process handle */
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server = proc
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done()
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})
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}
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/**
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* Stop Selenium
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*
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* @param {Function} done - Resolve callback
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*/
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export const stop = done => {
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if (server) {
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if (typeof done === "function")
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server.on("exit", done)
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server.kill()
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server = null
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}
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}
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