Add A/B Tests and Feature Flags example #13629

andresz1 · 2020-06-01T13:46:56Z

Summary

This PR adds a basic example of how Tesfy could be integrated with Next.js. Tesfy is a project that I've working on during quarantine weekends, mainly to learn new stuff and provide free and unlimited A/B Tests and Feature Flags while keeping a good performance and the library size as small as possible.

The configuration file could be set up using a web application (hosted in Vercel 🎉 ) or by your self.

Implementation

Created with-tesfy folder
Added two pages index.js and features.js to show how experiments and features could be used
The only thing that must be persisted is the userId. Used a cookie to save it.
Uses getServerSideProps to fetch the configuration file and get/create the userId.

Screenshots

There are some screenshots from the web application. Where you can easily configure experiments and audiences per project. Teams and features will soon be added.

This is my first PR! sorry if I made something wrong 😞 . Any feedback is more than welcome. Also I want to thank you all for the awesome work with Next.js ❤️

ijjk · 2020-06-03T22:08:06Z

Stats from current PR

Default Server Mode (Decrease detected ✓)

General

	vercel/next.js canary	andresz1/next.js canary	Change
buildDuration	11.6s	11.8s	⚠️ +217ms
nodeModulesSize	66 MB	66 MB	✓

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	andresz1/next.js canary	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.098	2.106	⚠️ +0.01
/ avg req/sec	1191.68	1187.23	-4.45
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.381	1.485	⚠️ +0.1
/error-in-render avg req/sec	1809.66	1683.13	-126.53

Client Bundles (main, webpack, commons)

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.js gzip	6.59 kB	6.59 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
de003c3a9d30..6c2a.js gzip	10.5 kB	10.5 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	57 kB	57 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.module.js gzip	5.67 kB	5.67 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
de003c3a9d30..dule.js gzip	6.93 kB	6.93 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	52.5 kB	52.5 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	andresz1/next.js canary	Change
polyfills-HASH.js gzip	26.3 kB	26.3 kB	✓
Overall change	26.3 kB	26.3 kB	✓

Client Pages

	vercel/next.js canary	andresz1/next.js canary	Change
_app.js gzip	1.26 kB	1.26 kB	✓
_error.js gzip	3.25 kB	3.25 kB	✓
hooks.js gzip	881 B	881 B	✓
index.js gzip	222 B	222 B	✓
link.js gzip	2.05 kB	2.05 kB	✓
routerDirect.js gzip	279 B	279 B	✓
withRouter.js gzip	278 B	278 B	✓
Overall change	8.21 kB	8.21 kB	✓

Client Pages Modern

	vercel/next.js canary	andresz1/next.js canary	Change
_app.module.js gzip	604 B	604 B	✓
_error.module.js gzip	2.04 kB	2.04 kB	✓
hooks.module.js gzip	383 B	383 B	✓
index.module.js gzip	223 B	223 B	✓
link.module.js gzip	1.51 kB	1.51 kB	✓
routerDirect..dule.js gzip	281 B	281 B	✓
withRouter.m..dule.js gzip	278 B	278 B	✓
Overall change	5.32 kB	5.32 kB	✓

Client Build Manifests

	vercel/next.js canary	andresz1/next.js canary	Change
_buildManifest.js gzip	61 B	61 B	✓
_buildManife..dule.js gzip	61 B	61 B	✓
Overall change	122 B	122 B	✓

Rendered Page Sizes

	vercel/next.js canary	andresz1/next.js canary	Change
index.html gzip	924 B	924 B	✓
link.html gzip	934 B	934 B	✓
withRouter.html gzip	922 B	922 B	✓
Overall change	2.78 kB	2.78 kB	✓

Serverless Mode

General

	vercel/next.js canary	andresz1/next.js canary	Change
buildDuration	12.9s	13s	⚠️ +62ms
nodeModulesSize	66 MB	66 MB	✓

Client Bundles (main, webpack, commons)

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.js gzip	6.59 kB	6.59 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
de003c3a9d30..6c2a.js gzip	10.5 kB	10.5 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	57 kB	57 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.module.js gzip	5.67 kB	5.67 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
de003c3a9d30..dule.js gzip	6.93 kB	6.93 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	52.5 kB	52.5 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	andresz1/next.js canary	Change
polyfills-HASH.js gzip	26.3 kB	26.3 kB	✓
Overall change	26.3 kB	26.3 kB	✓

Client Pages

	vercel/next.js canary	andresz1/next.js canary	Change
_app.js gzip	1.26 kB	1.26 kB	✓
_error.js gzip	3.25 kB	3.25 kB	✓
hooks.js gzip	881 B	881 B	✓
index.js gzip	222 B	222 B	✓
link.js gzip	2.05 kB	2.05 kB	✓
routerDirect.js gzip	279 B	279 B	✓
withRouter.js gzip	278 B	278 B	✓
Overall change	8.21 kB	8.21 kB	✓

Client Pages Modern

	vercel/next.js canary	andresz1/next.js canary	Change
_app.module.js gzip	604 B	604 B	✓
_error.module.js gzip	2.04 kB	2.04 kB	✓
hooks.module.js gzip	383 B	383 B	✓
index.module.js gzip	223 B	223 B	✓
link.module.js gzip	1.51 kB	1.51 kB	✓
routerDirect..dule.js gzip	281 B	281 B	✓
withRouter.m..dule.js gzip	278 B	278 B	✓
Overall change	5.32 kB	5.32 kB	✓

Client Build Manifests

	vercel/next.js canary	andresz1/next.js canary	Change
_buildManifest.js gzip	61 B	61 B	✓
_buildManife..dule.js gzip	61 B	61 B	✓
Overall change	122 B	122 B	✓

Serverless bundles

	vercel/next.js canary	andresz1/next.js canary	Change
_error.js	878 kB	878 kB	✓
404.html	4.18 kB	4.18 kB	✓
hooks.html	3.81 kB	3.81 kB	✓
index.js	879 kB	879 kB	✓
link.js	916 kB	916 kB	✓
routerDirect.js	909 kB	909 kB	✓
withRouter.js	909 kB	909 kB	✓
Overall change	4.5 MB	4.5 MB	✓

ijjk · 2020-06-09T19:12:24Z

Failing test suites

test/integration/export-serverless/test/index.test.js

Static Export > should delete existing exported files
Static Export > API routes export > Should throw if a route is matched
Static Export > Dynamic routes export > Should throw error not matched route
Static Export > ExportPathMap's query in development mode > should be present in ctx.query
Static Export > ExportPathMap's query in development mode > should replace url query params in ctx.query when conflicting
Static Export > ExportPathMap's query in development mode > should be merged with url query params in ctx.query
Static Export > Render in development mode > should render the home page
Static Export > Render in development mode > should render pages only existent in exportPathMap page
Static Export > Render via SSR > should render the home page
Static Export > Render via SSR > should render the about page
Static Export > Render via SSR > should render links correctly
Static Export > Render via SSR > should render a page with getInitialProps
Static Export > Render via SSR > should render a dynamically rendered custom url page
Static Export > Render via SSR > should render pages with dynamic imports
Static Export > Render via SSR > should render paths with extensions
Static Export > Render via SSR > should give empty object for query if there is no query
Static Export > Render via SSR > should render _error on 404.html even if not provided in exportPathMap
Static Export > Render via SSR > should render _error on /404/index.html
Static Export > Render via SSR > Should serve static files
Static Export > Render via SSR > Should serve public files
Static Export > Render via SSR > Should render dynamic files with query
Static Export > Render via browser > should render the home page
Static Export > Render via browser > should add trailing slash on Link
Static Export > Render via browser > should not add trailing slash on Link when disabled
Static Export > Render via browser > should do navigations via Link
Static Export > Render via browser > should do navigations via Router
Static Export > Render via browser > should do run client side javascript
Static Export > Render via browser > should render pages using getInitialProps
Static Export > Render via browser > should render dynamic pages with custom urls
Static Export > Render via browser > should support client side naviagtion
Static Export > Render via browser > should render dynamic import components in the client
Static Export > Render via browser > should render pages with url hash correctly
Static Export > Render via browser > should navigate even if used a button inside
Static Export > Render via browser > should update query after mount
Static Export > Render via browser > pages in the nested level: level1 > should render the home page
Static Export > Render via browser > pages in the nested level: level1 > should render the about page

Expand output

● Static Export › should delete existing exported files

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render the home page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render the about page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render links correctly

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render a page with getInitialProps

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render a dynamically rendered custom url page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render pages with dynamic imports

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render paths with extensions

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should give empty object for query if there is no query

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render _error on 404.html even if not provided in exportPathMap

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render _error on /404/index.html

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › Should serve static files

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › Should serve public files

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › Should render dynamic files with query

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should render the home page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should add trailing slash on Link

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should not add trailing slash on Link when disabled

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should do navigations via Link

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should do navigations via Router

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should do run client side javascript

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should render pages using getInitialProps

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should render dynamic pages with custom urls

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should support client side naviagtion

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should render dynamic import components in the client

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should render pages with url hash correctly

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should navigate even if used a button inside

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should update query after mount

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › pages in the nested level: level1 › should render the home page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › pages in the nested level: level1 › should render the about page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render in development mode › should render the home page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render in development mode › should render pages only existent in exportPathMap page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › ExportPathMap's query in development mode › should be present in ctx.query

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › ExportPathMap's query in development mode › should replace url query params in ctx.query when conflicting

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › ExportPathMap's query in development mode › should be merged with url query params in ctx.query

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Dynamic routes export › Should throw error not matched route

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › API routes export › Should throw if a route is matched

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Test suite failed to run

TypeError: Cannot read property '__app' of undefined

  306 | 
  307 | export async function stopApp(server) {
> 308 |   if (server.__app) {
      |              ^
  309 |     await server.__app.close()
  310 |   }
  311 |   await promiseCall(server, 'close')

  at stopApp (lib/next-test-utils.js:308:14)
  at integration/export-serverless/test/index.test.js:87:7

test/integration/export/test/index.test.js

Static Export > should delete existing exported files
Static Export > should honor exportTrailingSlash for 404 page
Static Export > should only output 404.html without exportTrailingSlash
Static Export > should not duplicate /index with exportTrailingSlash
Static Export > API routes export > Should throw if a route is matched
Static Export > Dynamic routes export > Should throw error not matched route
Static Export > ExportPathMap's query in development mode > should be present in ctx.query
Static Export > ExportPathMap's query in development mode > should replace url query params in ctx.query when conflicting
Static Export > ExportPathMap's query in development mode > should be merged with url query params in ctx.query
Static Export > Render in development mode > should render the home page
Static Export > Render in development mode > should render pages only existent in exportPathMap page
Static Export > Render via SSR > should render the home page
Static Export > Render via SSR > should render the about page
Static Export > Render via SSR > should render links correctly
Static Export > Render via SSR > should render a page with getInitialProps
Static Export > Render via SSR > should render a dynamically rendered custom url page
Static Export > Render via SSR > should render pages with dynamic imports
Static Export > Render via SSR > should render paths with extensions
Static Export > Render via SSR > should give empty object for query if there is no query
Static Export > Render via SSR > should render _error on 404.html even if not provided in exportPathMap
Static Export > Render via SSR > should render _error on /404/index.html
Static Export > Render via SSR > Should serve static files
Static Export > Render via SSR > Should serve public files
Static Export > Render via SSR > Should render dynamic files with query
Static Export > Render via browser > should render the home page
Static Export > Render via browser > should add trailing slash on Link
Static Export > Render via browser > should not add any slash on hash Link
Static Export > Render via browser > should preserve hash symbol on empty hash Link
Static Export > Render via browser > should preserve question mark on empty query Link
Static Export > Render via browser > should not add trailing slash on Link when disabled
Static Export > Render via browser > should do navigations via Link
Static Export > Render via browser > should do navigations via Router
Static Export > Render via browser > should do run client side javascript
Static Export > Render via browser > should render pages using getInitialProps
Static Export > Render via browser > should render dynamic pages with custom urls
Static Export > Render via browser > should support client side naviagtion
Static Export > Render via browser > should render dynamic import components in the client
Static Export > Render via browser > should render pages with url hash correctly
Static Export > Render via browser > should navigate even if used a button inside
Static Export > Render via browser > should update query after mount
Static Export > Render via browser > pages in the nested level: level1 > should render the home page
Static Export > Render via browser > pages in the nested level: level1 > should render the about page

Expand output

● Static Export › should delete existing exported files

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › should honor exportTrailingSlash for 404 page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › should only output 404.html without exportTrailingSlash

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › should not duplicate /index with exportTrailingSlash

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render the home page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render the about page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render links correctly

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render a page with getInitialProps

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render a dynamically rendered custom url page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render pages with dynamic imports

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render paths with extensions

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should give empty object for query if there is no query

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render _error on 404.html even if not provided in exportPathMap

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › should render _error on /404/index.html

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › Should serve static files

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › Should serve public files

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via SSR › Should render dynamic files with query

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should render the home page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should add trailing slash on Link

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should not add any slash on hash Link

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should preserve hash symbol on empty hash Link

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should preserve question mark on empty query Link

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should not add trailing slash on Link when disabled

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should do navigations via Link

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should do navigations via Router

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should do run client side javascript

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should render pages using getInitialProps

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should render dynamic pages with custom urls

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should support client side naviagtion

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should render dynamic import components in the client

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should render pages with url hash correctly

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should navigate even if used a button inside

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › should update query after mount

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › pages in the nested level: level1 › should render the home page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render via browser › pages in the nested level: level1 › should render the about page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render in development mode › should render the home page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Render in development mode › should render pages only existent in exportPathMap page

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › ExportPathMap's query in development mode › should be present in ctx.query

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › ExportPathMap's query in development mode › should replace url query params in ctx.query when conflicting

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › ExportPathMap's query in development mode › should be merged with url query params in ctx.query

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › Dynamic routes export › Should throw error not matched route

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Static Export › API routes export › Should throw if a route is matched

command failed with code 1

  133 |         code !== 0
  134 |       ) {
> 135 |         return reject(new Error(`command failed with code ${code}`))
      |                       ^
  136 |       }
  137 | 
  138 |       resolve({

  at ChildProcess.<anonymous> (lib/next-test-utils.js:135:23)

● Test suite failed to run

TypeError: Cannot read property '__app' of undefined

  306 | 
  307 | export async function stopApp(server) {
> 308 |   if (server.__app) {
      |              ^
  309 |     await server.__app.close()
  310 |   }
  311 |   await promiseCall(server, 'close')

  at stopApp (lib/next-test-utils.js:308:14)
  at integration/export/test/index.test.js:85:7

ijjk · 2020-06-09T19:14:42Z

Stats from current PR

Default Server Mode (Decrease detected ✓)

General Overall decrease ✓

	vercel/next.js canary	timneutkens/next.js canary	Change
buildDuration	13.4s	13.3s	-126ms
nodeModulesSize	64.9 MB	64.9 MB	-356 B

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	timneutkens/next.js canary	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.302	2.313	⚠️ +0.01
/ avg req/sec	1085.83	1080.99	-4.84
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.51	1.523	⚠️ +0.01
/error-in-render avg req/sec	1655.11	1641.43	-13.68

Client Bundles (main, webpack, commons)

	vercel/next.js canary	timneutkens/next.js canary	Change
main-HASH.js gzip	6.49 kB	6.49 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
de003c3a9d30..ec24.js gzip	10.5 kB	10.5 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	56.9 kB	56.9 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	timneutkens/next.js canary	Change
main-HASH.module.js gzip	5.58 kB	5.58 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
de003c3a9d30..dule.js gzip	6.92 kB	6.92 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	52.4 kB	52.4 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	timneutkens/next.js canary	Change
polyfills-HASH.js gzip	26.3 kB	26.3 kB	✓
Overall change	26.3 kB	26.3 kB	✓

Client Pages

	vercel/next.js canary	timneutkens/next.js canary	Change
_app.js gzip	1.26 kB	1.26 kB	✓
_error.js gzip	3.25 kB	3.25 kB	✓
hooks.js gzip	881 B	881 B	✓
index.js gzip	222 B	222 B	✓
link.js gzip	2.05 kB	2.05 kB	✓
routerDirect.js gzip	279 B	279 B	✓
withRouter.js gzip	278 B	278 B	✓
Overall change	8.22 kB	8.22 kB	✓

Client Pages Modern

	vercel/next.js canary	timneutkens/next.js canary	Change
_app.module.js gzip	604 B	604 B	✓
_error.module.js gzip	2.04 kB	2.04 kB	✓
hooks.module.js gzip	383 B	383 B	✓
index.module.js gzip	223 B	223 B	✓
link.module.js gzip	1.52 kB	1.52 kB	✓
routerDirect..dule.js gzip	281 B	281 B	✓
withRouter.m..dule.js gzip	278 B	278 B	✓
Overall change	5.33 kB	5.33 kB	✓

Client Build Manifests

	vercel/next.js canary	timneutkens/next.js canary	Change
_buildManifest.js gzip	171 B	171 B	✓
_buildManife..dule.js gzip	180 B	180 B	✓
Overall change	351 B	351 B	✓

Rendered Page Sizes

	vercel/next.js canary	timneutkens/next.js canary	Change
index.html gzip	901 B	901 B	✓
link.html gzip	906 B	906 B	✓
withRouter.html gzip	894 B	894 B	✓
Overall change	2.7 kB	2.7 kB	✓

Serverless Mode (Decrease detected ✓)

General Overall decrease ✓

	vercel/next.js canary	timneutkens/next.js canary	Change
buildDuration	14.4s	14.3s	-80ms
nodeModulesSize	64.9 MB	64.9 MB	-356 B

Client Bundles (main, webpack, commons)

	vercel/next.js canary	timneutkens/next.js canary	Change
main-HASH.js gzip	6.49 kB	6.49 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
de003c3a9d30..ec24.js gzip	10.5 kB	10.5 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	56.9 kB	56.9 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	timneutkens/next.js canary	Change
main-HASH.module.js gzip	5.58 kB	5.58 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
de003c3a9d30..dule.js gzip	6.92 kB	6.92 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	52.4 kB	52.4 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	timneutkens/next.js canary	Change
polyfills-HASH.js gzip	26.3 kB	26.3 kB	✓
Overall change	26.3 kB	26.3 kB	✓

Client Pages

	vercel/next.js canary	timneutkens/next.js canary	Change
_app.js gzip	1.26 kB	1.26 kB	✓
_error.js gzip	3.25 kB	3.25 kB	✓
hooks.js gzip	881 B	881 B	✓
index.js gzip	222 B	222 B	✓
link.js gzip	2.05 kB	2.05 kB	✓
routerDirect.js gzip	279 B	279 B	✓
withRouter.js gzip	278 B	278 B	✓
Overall change	8.22 kB	8.22 kB	✓

Client Pages Modern

	vercel/next.js canary	timneutkens/next.js canary	Change
_app.module.js gzip	604 B	604 B	✓
_error.module.js gzip	2.04 kB	2.04 kB	✓
hooks.module.js gzip	383 B	383 B	✓
index.module.js gzip	223 B	223 B	✓
link.module.js gzip	1.52 kB	1.52 kB	✓
routerDirect..dule.js gzip	281 B	281 B	✓
withRouter.m..dule.js gzip	278 B	278 B	✓
Overall change	5.33 kB	5.33 kB	✓

Client Build Manifests

	vercel/next.js canary	timneutkens/next.js canary	Change
_buildManifest.js gzip	171 B	171 B	✓
_buildManife..dule.js gzip	180 B	180 B	✓
Overall change	351 B	351 B	✓

Serverless bundles

	vercel/next.js canary	timneutkens/next.js canary	Change
_error.js	874 kB	874 kB	✓
404.html	4.13 kB	4.13 kB	✓
hooks.html	3.71 kB	3.71 kB	✓
index.js	875 kB	875 kB	✓
link.js	913 kB	913 kB	✓
routerDirect.js	905 kB	905 kB	✓
withRouter.js	905 kB	905 kB	✓
Overall change	4.48 MB	4.48 MB	✓

ijjk · 2020-06-09T20:42:37Z

Failing test suites

test/integration/css/test/index.test.js

CSS Support > Ordering with Global CSS and Modules (dev) > should have the correct color (css ordering)

Expand output

● CSS Support › Ordering with Global CSS and Modules (dev) › should have the correct color (css ordering)

expect(received).toMatchInlineSnapshot(snapshot)

Snapshot name: `CSS Support Ordering with Global CSS and Modules (dev) should have the correct color (css ordering) 1`

Snapshot: "rgb(0, 0, 255)"
Received: "rgb(255, 0, 0)"

  824 |         `window.getComputedStyle(document.querySelector('#blueText')).color`
  825 |       )
> 826 |       expect(currentColor).toMatchInlineSnapshot(`"rgb(0, 0, 255)"`)
      |                            ^
  827 |     })
  828 | 
  829 |     it('should have the correct color (css ordering) during hot reloads', async () => {

  at Object.<anonymous> (integration/css/test/index.test.js:826:28)
      at runMicrotasks (<anonymous>)

lfades

@andresz1 Hi there, thank you for the PR, I'm very resilient about adding examples using SSR with getInitialProps, you can read why in #11014

Having that said, I don't see how can A/B testing in this example work with SSG, which would be great, but not currently possible. For the moment let's switch from adding getInitialProps in _app and use getServerSideProps in the pages instead. That way static pages without A/B testing can still be static, and server code will only be needed for the server build.

andresz1 · 2020-06-17T21:12:12Z

Hi @lfades thank you so much for the review! I'll do the changes and let you know 😉

…ly being used

andresz1 · 2020-06-20T09:31:43Z

@lfades changes made! when you have time take a look and let me know 🙏 Thank you so much

ijjk · 2020-06-20T09:34:47Z

Stats from current PR

Default Server Mode (Increase detected ⚠️)

General

	vercel/next.js canary	andresz1/next.js canary	Change
buildDuration	10.6s	10.7s	⚠️ +108ms
nodeModulesSize	67 MB	67 MB	✓

Page Load Tests Overall increase ✓

	vercel/next.js canary	andresz1/next.js canary	Change
/ failed reqs	0	0	✓
/ total time (seconds)	1.839	1.808	-0.03
/ avg req/sec	1359.29	1382.93	⚠️ +23.64
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.126	1.093	-0.03
/error-in-render avg req/sec	2219.5	2287.64	⚠️ +68.14

Client Bundles (main, webpack, commons)

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.js gzip	6.51 kB	6.51 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
de003c3a9d30..75a9.js gzip	10.5 kB	10.5 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	56.9 kB	56.9 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.module.js gzip	5.6 kB	5.6 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
de003c3a9d30..dule.js gzip	6.92 kB	6.92 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	52.4 kB	52.4 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	andresz1/next.js canary	Change
polyfills-HASH.js gzip	26.3 kB	26.3 kB	✓
Overall change	26.3 kB	26.3 kB	✓

Client Pages

	vercel/next.js canary	andresz1/next.js canary	Change
routerDirect.js gzip	279 B	279 B	✓
withRouter.js gzip	278 B	278 B	✓
_error.js gzip	3.37 kB	3.37 kB	✓
index.js gzip	222 B	222 B	✓
link.js gzip	2.05 kB	2.05 kB	✓
hooks.js gzip	881 B	881 B	✓
_app.js gzip	1.26 kB	1.26 kB	✓
Overall change	8.34 kB	8.34 kB	✓

Client Pages Modern

	vercel/next.js canary	andresz1/next.js canary	Change
index.module.js gzip	223 B	223 B	✓
routerDirect..dule.js gzip	281 B	281 B	✓
withRouter.m..dule.js gzip	278 B	278 B	✓
hooks.module.js gzip	383 B	383 B	✓
_error.module.js gzip	2.21 kB	2.21 kB	✓
link.module.js gzip	1.52 kB	1.52 kB	✓
_app.module.js gzip	604 B	604 B	✓
Overall change	5.49 kB	5.49 kB	✓

Client Build Manifests

	vercel/next.js canary	andresz1/next.js canary	Change
_buildManifest.js gzip	270 B	270 B	✓
_buildManife..dule.js gzip	274 B	274 B	✓
Overall change	544 B	544 B	✓

Rendered Page Sizes

	vercel/next.js canary	andresz1/next.js canary	Change
index.html gzip	955 B	955 B	✓
link.html gzip	961 B	961 B	✓
withRouter.html gzip	948 B	948 B	✓
Overall change	2.86 kB	2.86 kB	✓

Serverless Mode

General

	vercel/next.js canary	andresz1/next.js canary	Change
buildDuration	11.8s	11.6s	-288ms
nodeModulesSize	67 MB	67 MB	✓

Client Bundles (main, webpack, commons)

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.js gzip	6.51 kB	6.51 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
de003c3a9d30..75a9.js gzip	10.5 kB	10.5 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	56.9 kB	56.9 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.module.js gzip	5.6 kB	5.6 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
de003c3a9d30..dule.js gzip	6.92 kB	6.92 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	52.4 kB	52.4 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	andresz1/next.js canary	Change
polyfills-HASH.js gzip	26.3 kB	26.3 kB	✓
Overall change	26.3 kB	26.3 kB	✓

Client Pages

	vercel/next.js canary	andresz1/next.js canary	Change
routerDirect.js gzip	279 B	279 B	✓
withRouter.js gzip	278 B	278 B	✓
_error.js gzip	3.37 kB	3.37 kB	✓
index.js gzip	222 B	222 B	✓
link.js gzip	2.05 kB	2.05 kB	✓
hooks.js gzip	881 B	881 B	✓
_app.js gzip	1.26 kB	1.26 kB	✓
Overall change	8.34 kB	8.34 kB	✓

Client Pages Modern

	vercel/next.js canary	andresz1/next.js canary	Change
index.module.js gzip	223 B	223 B	✓
routerDirect..dule.js gzip	281 B	281 B	✓
withRouter.m..dule.js gzip	278 B	278 B	✓
hooks.module.js gzip	383 B	383 B	✓
_error.module.js gzip	2.21 kB	2.21 kB	✓
link.module.js gzip	1.52 kB	1.52 kB	✓
_app.module.js gzip	604 B	604 B	✓
Overall change	5.49 kB	5.49 kB	✓

Client Build Manifests

	vercel/next.js canary	andresz1/next.js canary	Change
_buildManifest.js gzip	270 B	270 B	✓
_buildManife..dule.js gzip	274 B	274 B	✓
Overall change	544 B	544 B	✓

Serverless bundles

	vercel/next.js canary	andresz1/next.js canary	Change
_error.js	875 kB	875 kB	✓
404.html	4.17 kB	4.17 kB	✓
hooks.html	3.79 kB	3.79 kB	✓
index.js	875 kB	875 kB	✓
link.js	914 kB	914 kB	✓
routerDirect.js	906 kB	906 kB	✓
withRouter.js	906 kB	906 kB	✓
Overall change	4.48 MB	4.48 MB	✓

Commit: 68af484

ijjk · 2020-06-20T09:39:24Z

Stats from current PR

Default Server Mode (Increase detected ⚠️)

General

	vercel/next.js canary	andresz1/next.js canary	Change
buildDuration	12.4s	12.3s	-71ms
nodeModulesSize	67 MB	67 MB	✓

Page Load Tests Overall increase ✓

	vercel/next.js canary	andresz1/next.js canary	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.079	2.026	-0.05
/ avg req/sec	1202.23	1233.75	⚠️ +31.52
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.305	1.31	⚠️ +0.01
/error-in-render avg req/sec	1916.33	1908.25	-8.08

Client Bundles (main, webpack, commons)

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.js gzip	6.51 kB	6.51 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
de003c3a9d30..75a9.js gzip	10.5 kB	10.5 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	56.9 kB	56.9 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.module.js gzip	5.6 kB	5.6 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
de003c3a9d30..dule.js gzip	6.92 kB	6.92 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	52.4 kB	52.4 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	andresz1/next.js canary	Change
polyfills-HASH.js gzip	26.3 kB	26.3 kB	✓
Overall change	26.3 kB	26.3 kB	✓

Client Pages

	vercel/next.js canary	andresz1/next.js canary	Change
routerDirect.js gzip	279 B	279 B	✓
withRouter.js gzip	278 B	278 B	✓
_error.js gzip	3.37 kB	3.37 kB	✓
index.js gzip	222 B	222 B	✓
link.js gzip	2.05 kB	2.05 kB	✓
hooks.js gzip	881 B	881 B	✓
_app.js gzip	1.26 kB	1.26 kB	✓
Overall change	8.34 kB	8.34 kB	✓

Client Pages Modern

	vercel/next.js canary	andresz1/next.js canary	Change
index.module.js gzip	223 B	223 B	✓
routerDirect..dule.js gzip	281 B	281 B	✓
withRouter.m..dule.js gzip	278 B	278 B	✓
hooks.module.js gzip	383 B	383 B	✓
_error.module.js gzip	2.21 kB	2.21 kB	✓
link.module.js gzip	1.52 kB	1.52 kB	✓
_app.module.js gzip	604 B	604 B	✓
Overall change	5.49 kB	5.49 kB	✓

Client Build Manifests

	vercel/next.js canary	andresz1/next.js canary	Change
_buildManifest.js gzip	270 B	270 B	✓
_buildManife..dule.js gzip	274 B	274 B	✓
Overall change	544 B	544 B	✓

Rendered Page Sizes

	vercel/next.js canary	andresz1/next.js canary	Change
index.html gzip	955 B	955 B	✓
link.html gzip	961 B	961 B	✓
withRouter.html gzip	948 B	948 B	✓
Overall change	2.86 kB	2.86 kB	✓

Serverless Mode

General

	vercel/next.js canary	andresz1/next.js canary	Change
buildDuration	13.3s	13.1s	-195ms
nodeModulesSize	67 MB	67 MB	✓

Client Bundles (main, webpack, commons)

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.js gzip	6.51 kB	6.51 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
de003c3a9d30..75a9.js gzip	10.5 kB	10.5 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	56.9 kB	56.9 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.module.js gzip	5.6 kB	5.6 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
de003c3a9d30..dule.js gzip	6.92 kB	6.92 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	52.4 kB	52.4 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	andresz1/next.js canary	Change
polyfills-HASH.js gzip	26.3 kB	26.3 kB	✓
Overall change	26.3 kB	26.3 kB	✓

Client Pages

	vercel/next.js canary	andresz1/next.js canary	Change
routerDirect.js gzip	279 B	279 B	✓
withRouter.js gzip	278 B	278 B	✓
_error.js gzip	3.37 kB	3.37 kB	✓
index.js gzip	222 B	222 B	✓
link.js gzip	2.05 kB	2.05 kB	✓
hooks.js gzip	881 B	881 B	✓
_app.js gzip	1.26 kB	1.26 kB	✓
Overall change	8.34 kB	8.34 kB	✓

Client Pages Modern

	vercel/next.js canary	andresz1/next.js canary	Change
index.module.js gzip	223 B	223 B	✓
routerDirect..dule.js gzip	281 B	281 B	✓
withRouter.m..dule.js gzip	278 B	278 B	✓
hooks.module.js gzip	383 B	383 B	✓
_error.module.js gzip	2.21 kB	2.21 kB	✓
link.module.js gzip	1.52 kB	1.52 kB	✓
_app.module.js gzip	604 B	604 B	✓
Overall change	5.49 kB	5.49 kB	✓

Client Build Manifests

	vercel/next.js canary	andresz1/next.js canary	Change
_buildManifest.js gzip	270 B	270 B	✓
_buildManife..dule.js gzip	274 B	274 B	✓
Overall change	544 B	544 B	✓

Serverless bundles

	vercel/next.js canary	andresz1/next.js canary	Change
_error.js	875 kB	875 kB	✓
404.html	4.17 kB	4.17 kB	✓
hooks.html	3.79 kB	3.79 kB	✓
index.js	875 kB	875 kB	✓
link.js	914 kB	914 kB	✓
routerDirect.js	906 kB	906 kB	✓
withRouter.js	906 kB	906 kB	✓
Overall change	4.48 MB	4.48 MB	✓

Commit: 6a93b3f

…1/canary

lfades

@andresz1 Thank you!, I did a minor change to use npx in this example and in other examples that were missing the change too 😅

ijjk · 2020-06-21T18:35:48Z

Stats from current PR

Default Server Mode (Increase detected ⚠️)

General

	vercel/next.js canary	andresz1/next.js canary	Change
buildDuration	11.9s	11.9s	⚠️ +27ms
nodeModulesSize	67 MB	67 MB	✓

Page Load Tests Overall increase ✓

	vercel/next.js canary	andresz1/next.js canary	Change
/ failed reqs	0	0	✓
/ total time (seconds)	1.956	1.947	-0.01
/ avg req/sec	1278.04	1283.8	⚠️ +5.76
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.211	1.157	-0.05
/error-in-render avg req/sec	2064.29	2161.68	⚠️ +97.39

Client Bundles (main, webpack, commons)

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.js gzip	6.51 kB	6.51 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
19b7e98f51cc..75a9.js gzip	10.5 kB	10.5 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	56.9 kB	56.9 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.module.js gzip	5.6 kB	5.6 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
19b7e98f51cc..dule.js gzip	6.92 kB	6.92 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	52.4 kB	52.4 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	andresz1/next.js canary	Change
polyfills-HASH.js gzip	26.3 kB	26.3 kB	✓
Overall change	26.3 kB	26.3 kB	✓

Client Build Manifests

	vercel/next.js canary	andresz1/next.js canary	Change
_buildManifest.js gzip	267 B	267 B	✓
_buildManife..dule.js gzip	272 B	272 B	✓
Overall change	539 B	539 B	✓

Rendered Page Sizes

	vercel/next.js canary	andresz1/next.js canary	Change
index.html gzip	954 B	954 B	✓
link.html gzip	959 B	959 B	✓
withRouter.html gzip	947 B	947 B	✓
Overall change	2.86 kB	2.86 kB	✓

Serverless Mode

General

	vercel/next.js canary	andresz1/next.js canary	Change
buildDuration	12.8s	12.8s	-15ms
nodeModulesSize	67 MB	67 MB	✓

Client Bundles (main, webpack, commons)

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.js gzip	6.51 kB	6.51 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
19b7e98f51cc..75a9.js gzip	10.5 kB	10.5 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	56.9 kB	56.9 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.module.js gzip	5.6 kB	5.6 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
19b7e98f51cc..dule.js gzip	6.92 kB	6.92 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	52.4 kB	52.4 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	andresz1/next.js canary	Change
polyfills-HASH.js gzip	26.3 kB	26.3 kB	✓
Overall change	26.3 kB	26.3 kB	✓

Client Build Manifests

	vercel/next.js canary	andresz1/next.js canary	Change
_buildManifest.js gzip	267 B	267 B	✓
_buildManife..dule.js gzip	272 B	272 B	✓
Overall change	539 B	539 B	✓

Serverless bundles

	vercel/next.js canary	andresz1/next.js canary	Change
_error.js	875 kB	875 kB	✓
404.html	4.17 kB	4.17 kB	✓
hooks.html	3.79 kB	3.79 kB	✓
index.js	875 kB	875 kB	✓
link.js	914 kB	914 kB	✓
routerDirect.js	906 kB	906 kB	✓
withRouter.js	906 kB	906 kB	✓
Overall change	4.48 MB	4.48 MB	✓

Commit: a08c65b

ijjk · 2020-06-21T23:00:46Z

Stats from current PR

Default Server Mode (Increase detected ⚠️)

General

	vercel/next.js canary	andresz1/next.js canary	Change
buildDuration	10.7s	10.5s	-246ms
nodeModulesSize	67 MB	67 MB	✓

Page Load Tests Overall increase ✓

	vercel/next.js canary	andresz1/next.js canary	Change
/ failed reqs	0	0	✓
/ total time (seconds)	1.756	1.806	⚠️ +0.05
/ avg req/sec	1424	1384.18	-39.82
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.104	1.074	-0.03
/error-in-render avg req/sec	2264.4	2328.26	⚠️ +63.86

Client Bundles (main, webpack, commons)

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.js gzip	6.51 kB	6.51 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
19b7e98f51cc..75a9.js gzip	10.5 kB	10.5 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	56.9 kB	56.9 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.module.js gzip	5.6 kB	5.6 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
19b7e98f51cc..dule.js gzip	6.92 kB	6.92 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	52.4 kB	52.4 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	andresz1/next.js canary	Change
polyfills-HASH.js gzip	26.3 kB	26.3 kB	✓
Overall change	26.3 kB	26.3 kB	✓

Client Build Manifests

	vercel/next.js canary	andresz1/next.js canary	Change
_buildManifest.js gzip	267 B	267 B	✓
_buildManife..dule.js gzip	272 B	272 B	✓
Overall change	539 B	539 B	✓

Rendered Page Sizes

	vercel/next.js canary	andresz1/next.js canary	Change
index.html gzip	954 B	954 B	✓
link.html gzip	959 B	959 B	✓
withRouter.html gzip	947 B	947 B	✓
Overall change	2.86 kB	2.86 kB	✓

Serverless Mode

General

	vercel/next.js canary	andresz1/next.js canary	Change
buildDuration	11s	11.2s	⚠️ +221ms
nodeModulesSize	67 MB	67 MB	✓

Client Bundles (main, webpack, commons)

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.js gzip	6.51 kB	6.51 kB	✓
webpack-HASH.js gzip	746 B	746 B	✓
19b7e98f51cc..75a9.js gzip	10.5 kB	10.5 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
Overall change	56.9 kB	56.9 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	andresz1/next.js canary	Change
main-HASH.module.js gzip	5.6 kB	5.6 kB	✓
webpack-HASH..dule.js gzip	746 B	746 B	✓
19b7e98f51cc..dule.js gzip	6.92 kB	6.92 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
Overall change	52.4 kB	52.4 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	andresz1/next.js canary	Change
polyfills-HASH.js gzip	26.3 kB	26.3 kB	✓
Overall change	26.3 kB	26.3 kB	✓

Client Build Manifests

	vercel/next.js canary	andresz1/next.js canary	Change
_buildManifest.js gzip	267 B	267 B	✓
_buildManife..dule.js gzip	272 B	272 B	✓
Overall change	539 B	539 B	✓

Serverless bundles

	vercel/next.js canary	andresz1/next.js canary	Change
_error.js	875 kB	875 kB	✓
404.html	4.17 kB	4.17 kB	✓
hooks.html	3.79 kB	3.79 kB	✓
index.js	875 kB	875 kB	✓
link.js	914 kB	914 kB	✓
routerDirect.js	906 kB	906 kB	✓
withRouter.js	906 kB	906 kB	✓
Overall change	4.48 MB	4.48 MB	✓

Commit: 4001896

andresz1 · 2020-06-21T23:08:52Z

Hi @lfades thank you so much for the quick review and the npx change. Oops! sorry I just forgot to fix a small linting issue 😔 . Now all test are passing 🙌

## Summary This PR adds a basic example of how [Tesfy](https://tesfy.io/) could be integrated with Next.js. Tesfy is a project that I've working on during quarantine weekends, mainly to learn new stuff and provide **free** and **unlimited** A/B Tests and Feature Flags while keeping a good performance and the library [size](https://bundlephobia.com/[email protected]) as small as possible. The configuration file could be set up using a [web application](https://app.tesfy.io/) (hosted in Vercel 🎉 ) or by your self. ## Implementation - Created `with-tesfy` folder - Added two pages `index.js` and `features.js` to show how experiments and features could be used - The only thing that must be persisted is the `userId`. Used a cookie to save it. - Uses `getServerSideProps` to fetch the configuration file and get/create the `userId`. ## Screenshots There are some screenshots from the web application. Where you can easily configure experiments and audiences per project. Teams and features will soon be added. ![Screenshot 2020-06-01 at 15 40 49](https://user-images.githubusercontent.com/6877967/83414811-60e7ce80-a41e-11ea-9e5c-887c66e80c65.png) ![Screenshot 2020-06-01 at 15 41 02](https://user-images.githubusercontent.com/6877967/83414823-66451900-a41e-11ea-885b-b58e78b042bb.png) ![Screenshot 2020-06-01 at 15 41 11](https://user-images.githubusercontent.com/6877967/83414828-6a713680-a41e-11ea-90a8-8d39a17f19a1.png) This is my first PR! sorry if I made something wrong 😞 . Any feedback is more than welcome. Also I want to thank you all for the awesome work with Next.js ❤️

andresz1 added 2 commits June 1, 2020 14:25

Add Tesfy example

5158f5c

Merge branch 'canary' of https://github.com/vercel/next.js into canary

1049cdf

andresz1 requested review from lfades and Timer as code owners June 1, 2020 13:46

andresz1 changed the title ~~Add Tesfy example - A/B Tests and Feature Flags~~ Add A/B Tests and Feature Flags example Jun 1, 2020

andresz1 changed the title ~~Add A/B Tests and Feature Flags example~~ Add A/B Tests and Feature Flags example - Tesfy Jun 1, 2020

andresz1 changed the title ~~Add A/B Tests and Feature Flags example - Tesfy~~ Add A/B Tests and Feature Flags example using Tesfy Jun 1, 2020

andresz1 changed the title ~~Add A/B Tests and Feature Flags example using Tesfy~~ Add A/B Tests and Feature Flags example Jun 1, 2020

rafaelalmeidatk added the examples Issue was opened via the examples template. label Jun 3, 2020

Fix some typos

a71a6cc

andresz1 requested review from chibicode, ijjk and timneutkens as code owners June 3, 2020 22:00

lfades self-assigned this Jun 10, 2020

lfades requested changes Jun 10, 2020

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andresz1 added 2 commits June 20, 2020 11:26

Remove usage of getInitialProps and instead use getServerSideProps

68af484

Update README.md removing caveat since getInitialProps is not current…

6a93b3f

…ly being used

lfades added 3 commits June 21, 2020 13:22

Merge branch 'canary' of https://github.com/zeit/next.js into andresz…

caf3d0f

…1/canary

Use npx

3d47b3c

Undo unexpected change

a08c65b

lfades previously approved these changes Jun 21, 2020

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Fix linting error

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andresz1 dismissed lfades’s stale review via 4001896 June 21, 2020 22:53

lfades approved these changes Jun 21, 2020

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kodiakhq bot merged commit 6424e1f into vercel:canary Jun 21, 2020

vercel locked as resolved and limited conversation to collaborators Jan 30, 2022

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Add A/B Tests and Feature Flags example #13629

Add A/B Tests and Feature Flags example #13629

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Add A/B Tests and Feature Flags example #13629

Add A/B Tests and Feature Flags example #13629

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