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index.js
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index.js
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const webdriver = require("selenium-webdriver");
const browserstack = require("browserstack-local");
const percySnapshotOriginal = require("@percy/selenium-webdriver");
const { test: jestTest } = require("@jest/globals");
const {
BROWSERSTACK_USERNAME,
BROWSERSTACK_ACCESS_KEY,
BROWSERSTACK_BUILD_NAME = "local build",
BROWSERSTACK_LOCAL_IDENTIFIER = null
} = process.env;
const BROWSERSTACK_URL = BROWSERSTACK_USERNAME
? `http://${BROWSERSTACK_USERNAME}:${BROWSERSTACK_ACCESS_KEY}@hub-cloud.browserstack.com/wd/hub`
: null;
const bsDesktopBrowsers = [
{
browserName: "Chrome",
browser_version: "latest",
os: "OS X",
os_version: "Big Sur",
},
{
browserName: "Chrome",
browser_version: "latest",
os: "Windows",
os_version: "10",
},
{
browserName: "Safari",
browser_version: "latest",
os: "OS X",
os_version: "Big Sur",
},
{
browserName: "Edge",
browser_version: "latest",
os: "Windows",
os_version: "10",
},
{
device: "iPad 8th",
real_mobile: "true",
browserName: "Safari",
},
];
const getPercySnapshotFn = () => {
const snaps = new Set();
return async (driver, name, options) => {
if (snaps.has(name)) {
return;
} else {
snaps.add(name);
return percySnapshotOriginal(driver, name, {
widths: [1024, 1440],
...options,
});
}
};
};
const init = (project, desktopBrowsers = bsDesktopBrowsers) => {
const getDriver = (capabilities = {}, localBrowser = "chrome") => {
if (!BROWSERSTACK_URL) {
return new webdriver.Builder().forBrowser(localBrowser).build();
}
const baseCapabilities = {
"browserstack.local": "true",
"browserstack.console": "errors",
"browserstack.localIdentifier": BROWSERSTACK_LOCAL_IDENTIFIER,
name: "Test Test",
build: BROWSERSTACK_BUILD_NAME.substr(0, 254),
...capabilities,
};
const driver = new webdriver.Builder()
.usingServer(BROWSERSTACK_URL)
.withCapabilities(baseCapabilities)
.build();
if (driver) {
return driver;
}
console.error("Couldn't get webdriver");
throw new Error("Couldn't get webdriver");
};
const initBrowserStackLocal = () =>
new Promise((resolve) => {
// Creates an instance of Local
const bs_local = new browserstack.Local();
const bs_local_args = {
key: BROWSERSTACK_ACCESS_KEY,
verbose: 3,
};
// Starts the Local instance with the required arguments
bs_local.start(bs_local_args, function () {
console.log("BrowserStack local started");
resolve(bs_local);
});
});
const wrapper = (cb) => {
let bs_local;
beforeAll(async () => {
if (BROWSERSTACK_ACCESS_KEY) {
bs_local = await initBrowserStackLocal();
if (!bs_local) {
console.error("Couldn't init Browserstack Local");
throw new Error("Couldn't init Browserstack Local");
}
}
}, 30000);
describe("selenium tests", () => {
cb();
});
afterAll((done) => {
if (bs_local) {
bs_local.stop(() => {
console.log("BrowserStack local stopped");
done();
});
} else {
done();
}
}, 60000);
};
const test = async (
name,
action,
timeout = 60000,
driverOptions = { capabilities: {}, localBrowser: "chrome" }
) => {
const percySnapshot = getPercySnapshotFn();
return jestTest.each(BROWSERSTACK_URL ? desktopBrowsers : [{}])(
`${name} - $browserName - $os`,
async (browser) => {
try {
const driver = await getDriver(
{
project,
...driverOptions.capabilities,
...browser,
},
driverOptions.localBrowser
);
if (BROWSERSTACK_URL) {
driver
.executeScript(
`browserstack_executor: {"action": "setSessionName", "arguments": {"name": "${project}: ${name}"}}`
)
.catch((e) => console.warn(`Couldn't setNmae - ${e}`));
}
try {
// Run the passed test
await action(driver, percySnapshot);
if (BROWSERSTACK_URL) {
await driver
.executeScript(
'browserstack_executor: {"action": "setSessionStatus", "arguments": {"status":"passed","reason": "Passed"}}'
)
.catch((e) => console.warn(`Couldn't send success - ${e}`));
}
} catch (error) {
try {
// We need to try to tell Browserstack we have failed!
if (BROWSERSTACK_URL) {
await driver
.executeScript(
`browserstack_executor: {"action": "setSessionName", "arguments": {"name": "${project}: ${name}"}}`
)
.catch((e) =>
console.warn(`Couldn't send session name - ${e}`)
);
const script = `browserstack_executor: {"action": "setSessionStatus", "arguments": {"status":"failed","reason": "${error.message
.replace(/(\r\n|\n|\r)/gm, " ")
.replace(/"/gm, "'")}"}}`;
await driver
.executeScript(script)
.catch((e) => console.warn(`Couldn't send failure - ${e}`));
}
} catch (e) {
console.log("error reporting the error?");
console.log(e);
}
throw error;
} finally {
await driver
.quit()
.catch((e) => console.warn(`Couldn't quit - ${e}`));
}
} catch (err) {
console.error("Couldn't init test");
console.error(err);
throw err;
}
},
timeout
);
};
return { test, wrapper, webdriver };
};
module.exports = init;