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Add xk6-browser as an experimental module (#2884)
* Add xk6-browser as an experimental module * Update to release version of xk6-browser * Update to the experimental import * Add vendored xk6-browser dependency * Update version of xk6-browser from main This version of xk6-browser deps now match k6. * Add the vendor of the deps * Add wrapper RootModule for browser tests This wrapper RootModule will allow browser tests to run if the correct K6_BROWSER_ENABLE_RUN env var is set. * Add tests for the browser wrapper RootModule * Refactor to use VU to get env vars in RootModule * Apply suggestions from code review Co-authored-by: na-- <n@andreev.sh> * fixup! Apply suggestions from code review * fixup! Add wrapper RootModule for browser tests * Apply suggestions from code review Co-authored-by: Ivan Mirić <ivan.miric@grafana.com> --------- Co-authored-by: na-- <n@andreev.sh> Co-authored-by: Ivan Mirić <ivan.miric@grafana.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| // Package browser contains a RootModule wrapper | ||
| // that wraps around the experimental browser | ||
| // RootModule. | ||
| package browser | ||
|
|
||
| import ( | ||
| "errors" | ||
| "strconv" | ||
|
|
||
| xk6browser "github.com/grafana/xk6-browser/browser" | ||
| "go.k6.io/k6/js/common" | ||
| "go.k6.io/k6/js/modules" | ||
| ) | ||
|
|
||
| type ( | ||
| // RootModule is a wrapper around the experimental | ||
| // browser RootModule. It will prevent browser test | ||
| // runs unless K6_BROWSER_ENABLED env var is set. | ||
| RootModule struct { | ||
| rm *xk6browser.RootModule | ||
| } | ||
| ) | ||
|
|
||
| // New creates an experimental browser RootModule | ||
| // and wraps it around this internal RootModule. | ||
| func New() *RootModule { | ||
| return &RootModule{ | ||
| rm: xk6browser.New(), | ||
| } | ||
| } | ||
|
|
||
| // NewModuleInstance will check to see if | ||
| // K6_BROWSER_ENABLED is set before allowing | ||
| // test runs to continue. | ||
| func (r *RootModule) NewModuleInstance(vu modules.VU) modules.Instance { | ||
| env := vu.InitEnv() | ||
|
|
||
| throwError := func() { | ||
| msg := "To run browser tests set env var K6_BROWSER_ENABLED=true" | ||
| if m, ok := env.LookupEnv("K6_BROWSER_ENABLED_MSG"); ok && m != "" { | ||
| msg = m | ||
| } | ||
|
|
||
| common.Throw(vu.Runtime(), errors.New(msg)) | ||
| } | ||
|
|
||
| vs, ok := env.LookupEnv("K6_BROWSER_ENABLED") | ||
| if !ok { | ||
| throwError() | ||
| } | ||
|
|
||
| v, err := strconv.ParseBool(vs) | ||
| if err != nil || !v { | ||
| throwError() | ||
| } | ||
|
|
||
| return r.rm.NewModuleInstance(vu) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| import { check } from 'k6'; | ||
| import { chromium } from 'k6/experimental/browser'; | ||
|
|
||
| export const options = { | ||
| thresholds: { | ||
| checks: ["rate==1.0"] | ||
| } | ||
| } | ||
|
|
||
| export default async function() { | ||
| const browser = chromium.launch({ | ||
| headless: __ENV.XK6_HEADLESS ? true : false, | ||
| }); | ||
| const context = browser.newContext(); | ||
| const page = context.newPage(); | ||
|
|
||
| try { | ||
| // Goto front page, find login link and click it | ||
| await page.goto('https://test.k6.io/', { waitUntil: 'networkidle' }); | ||
| await Promise.all([ | ||
| page.waitForNavigation(), | ||
| page.locator('a[href="/my_messages.php"]').click(), | ||
| ]); | ||
| // Enter login credentials and login | ||
| page.locator('input[name="login"]').type('admin'); | ||
| page.locator('input[name="password"]').type('123'); | ||
| // We expect the form submission to trigger a navigation, so to prevent a | ||
| // race condition, setup a waiter concurrently while waiting for the click | ||
| // to resolve. | ||
| await Promise.all([ | ||
| page.waitForNavigation(), | ||
| page.locator('input[type="submit"]').click(), | ||
| ]); | ||
| check(page, { | ||
| 'header': page.locator('h2').textContent() == 'Welcome, admin!', | ||
| }); | ||
| } finally { | ||
| page.close(); | ||
| browser.close(); | ||
| } | ||
| } |
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