gristlabs_grist-core/test/init-mocha-webdriver.js
2022-02-19 09:46:49 +00:00

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/**
* Settings that affect tests using mocha-webdriver. This module is imported by any run of mocha,
* by being listed in test/mocha.opts. (Keep in mind that it's imported by non-browser tests, such
* as test/common, as well.)
*/
// This determines when a failed assertion shows a diff with details or
// "expected [ Array(3) ] to deeply equal [ Array(3) ]".
// Increase the threshold since the default (of 40 characters) is often too low.
// You can override it using CHAI_TRUNCATE_THRESHOLD env var; 0 disables it.
require('chai').config.truncateThreshold = process.env.CHAI_TRUNCATE_THRESHOLD ?
parseFloat(process.env.CHAI_TRUNCATE_THRESHOLD) : 200;
// Set an explicit window size (if not set by an external variable), to ensure that manully-run
// and Jenkins-run tests, headless or not, use a consistent size. (Not that height is still not
// identical between regular and headless browsers.)
//
// The size is picked to be on the small size, to ensure we test issues caused by constrained
// space (e.g. scrolling when needed). 1024x640 is a slight increase over 900x600 we used before.
// Note that https://www.hobo-web.co.uk/best-screen-size/ lists 1366×768 as most common desktop
// size, so it's reasonable to assume a browser that takes up most but not all of such a screen.
if (!process.env.MOCHA_WEBDRIVER_WINSIZE) {
process.env.MOCHA_WEBDRIVER_WINSIZE = "1024x640";
}
// Enable enhanced stacktraces by default. Disable by running with MOCHA_WEBDRIVER_STACKTRACES="".
if (process.env.MOCHA_WEBDRIVER_STACKTRACES === undefined) {
process.env.MOCHA_WEBDRIVER_STACKTRACES = "1";
}
// Default to chrome for mocha-webdriver testing. Override by setting SELENIUM_BROWSER, as usual.
if (!process.env.SELENIUM_BROWSER) {
process.env.SELENIUM_BROWSER = "chrome";
}
// Don't fail on mismatched Chrome versions. Disable with MOCHA_WEBDRIVER_IGNORE_CHROME_VERSION="".
if (process.env.MOCHA_WEBDRIVER_IGNORE_CHROME_VERSION === undefined) {
process.env.MOCHA_WEBDRIVER_IGNORE_CHROME_VERSION = "1";
}
// don't show "Chrome is controlled by..." banner since at time of writing it can
// swallow early clicks on page reload.
if (process.env.MOCHA_WEBDRIVER_NO_CONTROL_BANNER === undefined) {
process.env.MOCHA_WEBDRIVER_NO_CONTROL_BANNER = "1";
}