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* build: configure pretter as formatter for most files * chore: reformat code (#1931) * chore: re-format all files * chore: force run quality anaylsis test Co-authored-by: Juan Picado @jotadeveloper <juanpicado19@gmail.com> Co-authored-by: Juan Picado @jotadeveloper <juanpicado19@gmail.com>
64 lines
2.9 KiB
Markdown
64 lines
2.9 KiB
Markdown
---
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id: e2e
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title: 'End to End testing'
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---
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Some projects organize packages in multi-packages repositories or [monorepos](https://github.com/babel/babel/blob/master/doc/design/monorepo.md). E2E testing is a topic that usually is only relevant for User Interfaces, but from a Node.js perspective, **publishing packages also need to be tested**.
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<div id="codefund">''</div>
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<blockquote class="twitter-tweet" data-lang="en"><p lang="en" dir="ltr">Solution: a local npm registry. <a href="https://t.co/kvcyVANVSK">https://t.co/kvcyVANVSK</a></p>— Dan Abramov (@dan_abramov) <a href="https://twitter.com/dan_abramov/status/951427674844680192?ref_src=twsrc%5Etfw">11 de enero de 2018</a></blockquote>
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<script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>
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Such approach has been really hard to achieve considering:
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- Populate canary packages on public services seems not to be a good idea
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- Some self-hosted OSS registries are too heavy
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- Offline environments (private networks)
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**Verdaccio** is a lightweight registry with zero-configuration that **fits perfectly in any E2E + CI workflow**.
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## Implementation
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There is no a silver bullet yet, each implementation seems to be specific for each project, you can check some of them in
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the following thread [clicking here](https://stackoverflow.com/a/50222427/308341).
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### Example using Bash
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This is the most simple example using Verdaccio in a bash script (extracted from _create-react-app_).
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```bash
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#!/bin/sh
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set -e
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local_registry="http://0.0.0.0:4873"
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# start local registry
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tmp_registry_log=`mktemp`
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sh -c "mkdir -p $HOME/.config/verdaccio"
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sh -c "cp --verbose /config.yaml $HOME/.config/verdaccio/config.yaml"
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sh -c "nohup verdaccio --config $HOME/.config/verdaccio/config.yaml &>$tmp_registry_log &"
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# wait for `verdaccio` to boot
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grep -q 'http address' <(tail -f $tmp_registry_log)
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# login so we can publish packages
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sh -c "npm-auth-to-token -u test -p test -e test@test.com -r $local_registry"
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# Run nmp command
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sh -c "npm --registry $local_registry publish"
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```
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## Who is using it for E2E?
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- [create-react-app](https://github.com/facebook/create-react-app/blob/master/CONTRIBUTING.md#contributing-to-e2e-end-to-end-tests) _(+73.5k ⭐️)_
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- [Storybook](https://github.com/storybooks/storybook) _(+44k ⭐️)_
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- [Gatsby](https://github.com/gatsbyjs/gatsby) \*(+40k ⭐️)
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- [Babel.js](https://github.com/babel/babel) _(+35k ⭐️)_
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- [Uppy](https://github.com/transloadit/uppy) _(+21k ⭐️)_
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- [Aurelia Framework](https://github.com/aurelia) _(+12k ⭐️)_
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- [ethereum/web3.js](https://github.com/ethereum/web3.js) _(+8k ⭐️)_
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- [bit](https://github.com/teambit/bit) _(+6k ⭐️)_
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- [pnpm](https://github.com/pnpm/pnpm) _(+6k ⭐️)_
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- [Mozilla Neutrino](https://github.com/neutrinojs/neutrino) _(+3k ⭐️)_
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- [Embark](https://embark.status.im/) _(+3k ⭐️)_
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- [Hyperledger Composer](https://github.com/hyperledger/composer) _(+1.6k ⭐️)_
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- [Wix Yoshi](https://github.com/wix/yoshi)
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