Now, when using an assertion like expect(output).toBeValidAMPStoryElement() in your test suite, you would get a message like follows in case of AMP validation errors: Curious to see the whole source code? That’s it! Under the hood, Web Stories are powered by the AMP story format. Install Node.js on your system.

Cloudflare Amp validator api not maintained for now? Put all these pieces together and you have fully functioning and automated AMP validation using Jest and AMP Optimizer! Notify me of follow-up comments by email. AMP validation Once you have enabled Accelerated Mobile Pages on your site, you can (should!) AMPBench includes some useful debug utility commands that can in some cases help with troubleshooting, such as when a full validation fails on a URL by returning unexpected server responses. Templating issues. Then do the following from a terminal command-line session: Or, to watch code changes and automatically restart the server in development mode: Then try navigating to these links from your web browser: AMPBench supports some simple, experimental JSON APIs.
The user interface of AMPBench is built with Material Design Lite. One of its benefits is the AMP HTML specification. The applied User Agent string is displayed in the output and can be seen in the resulting HTTP request headers as in the following examples. Hello, I want to use Cloudflare amp validator api (, but it looks like validator doesn’t work correctly, because i get error: ... looks like inline styles are allowed, and validation was success when i’ve used amp validator browser extension. Your email address will not be published. This is exactly what we need! The AMP Validator will check the current page to see if it is an AMP page and then run it through the AMP validator and report if the page passes (green) or fails (red) via the extension icon. AMPBench is an open source web application and service that validates AMP pages and their associated Structured Data at a user provided page URL. Using this API we can parse a given string and return a list of found errors: The Web Stories editor is written in React, and Jest is our unit testing framework of choice.

Performing AMP Validation. For our project, it is important that the resulting stories always adhere to the specification. Using it is fairly simple, just enter the full URL to an AMP page (the one with the amp suffix at the end), and the tool will display whatever meta data it found in the page, and possibly any error. The AMP specification is very strict, and a syntaxically invalid page will not be indexed by Google, thus defeating most of the purpose. We now have a new Jest matcher that validates our component’s output and warns us when invalid markup is encountered! amp-form also provides these to ancestors fieldset-s plus form. It seemed obvious that we’d want to try automated AMP Validation using Jest.

Google Chrome comes with a AMP validator that will tell you most of the problems of your AMP pages, if any. The source code for the service is open for contributions on GitHub at: A live instance of AMPBench is currently hosted on a Google Cloud Platform Node.js App Engine Flexible Environment at: The latter can be used by the community for ad-hoc testing of AMP pages on the Web. verify that the generated pages are valid. Transforming our original markup using AMP Optimizer is as easy as follows: If we now run the resulting markup through the validator, it won’t complain about missing boilerplate code, but instead only about issues in our original component. You can also use the AMP validator in two additional and very convenient ways: Once your pages are all all green using the Chrome AMP validator, you should check that the meta data associated with it is correct and valid. Luckily, the AMP project maintains the official amphtml-validator npm package. It is however needed for your AMP pages to be included in the top stories section, or in the AMP carousel. The debug toolbar can be hidden through a setting on the System tab if not used. You can also add some custom tags in your content if needed, for instance if there is not image associated with a page, or that image doesn't suit you. This can be done by downloading or by using a package manager or by using NVM. Check out the Web Stories editor’s GitHub repository. So how can we run the AMP Validator as part of our test suite? The AMP specification is very strict, and a syntaxically invalid page will not be indexed by Google, thus defeating most of the purpose. This data is extracted from weeblrAMP settings, and from your site (automatically) most of the time. Later in this article I will document how to run (or host) a development or production instance of AMPBench. Please contact the developer of this form processor to improve this message. If you have any questions about these new metrics, please feel free to get in touch with our team . The spec defines the markup requirements for a document to be considered AMP-valid. AMPBench is written in JavaScript (ES6/2015) with Node.js, is licensed under the Apache 2.0 LICENSE, is not an official Google product, and is part of the open source AMP Project. This means all results can be inspected by simply scrolling the viewport horizontally. {{#message}}{{{message}}}{{/message}}{{^message}}Your submission failed. AMPBench loads a locally cached copy of this file into memory using the amphtml-validator Node.js npm package which supports a validation API. Here's an example of how AMP validation errors are displayed verify that the generated pages are valid. We can circumvent this by validating the optimized markup, but only printing our original, unoptimized markup in the case of an error: Et voilà! However, the markup will inevitably be invalid, because it lacks the required HTML in the document head, like the AMP boilerplate code. Valid syntax is required and will prevent your pages to be used if not achieved. Learn More{{/message}}, on Automated AMP Validation using Jest and AMP Optimizer, //, Improving WordPress Internationalization with ESLint. The /debug… commands attempt to follow fetch requests and display relevant request and response details in a similar spirit to the curl -I [ — head]… utility. Use the AMP validator website, created by Google as well. amp.validator.errors and amp.validator.ValidationResult() are null before and after calling validateUrlAndLog.

With the ../command_force_validator_update command we can ask AMPBench to update the locally cached validator source file from the official cache location and then reload the validator code into memory.

Learn More{{/message}}, {{#message}}{{{message}}}{{/message}}{{^message}}It appears your submission was successful. Using this API we can parse a … Style and layout issues.

Custom matchers allow writing tests like this: Next, we need to write our custom matcher that leverages the above helper function and displays potential errors to the developer. weeblrAMP automatically adds meta data to your page, as suggested by the AMP specification. So how can we run the AMP Validator as part of our test suite?

{“User-Agent”:”Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2725.0 Mobile Safari/537.36",”host”:””}, {“User-Agent”:”curl/7.43.0",”host”:””}, AMPBench is an open source web application and service,,,,, http://localhost:8080/validate?url=, http://localhost:8080/api?url=, http://localhost:8080/raw?url=, http://localhost:8080/api2?url=,,,, http://localhost:8080/command_force_validator_update,,,,, Building a REST API for Azure PostgreSQL Using Azure Functions With Node JS, 5 Reasons Why Prismatic Chose GraphQL for Our API, How to Integrate Your App With Webhooks Using Amazon SNS, NGINX with Docker and Node.js — a Beginner’s guide, 20 Things Most People Learn Too Late In Life, Netflix Android and iOS Studio Apps — now powered by Kotlin Multiplatform.

In order to guarantee AMP-valid output and prevent regressions, we needed a way to automate the validation process and integrate it into the development workflow. In order to allow wide format validation results to be comfortably viewed on mobile devices, AMPBench renders output with the Bootstrap framework in responsive, scrollable tables. Again, this is not an absolute requirement for AMP, but we recommend taking the time to setup proper structured data for best results. Classes and also CSS Hooks. The amp-form extension allows you to create your unique custom-made affirmation UI by employing the custom-validation-reporting characteristic together with one the following reporting methods: show-first-on-submit, show-all-on-submit or as-you-go. Since we want to pass rendered components to the matcher, we need to process them accordingly using something like renderToStaticMarkup. AMP form only allows me to use HTML5 form validation to validate users inputs. Thanks.

During AMP URL validation, AMPBench builds referable, support ... loads a locally cached copy of this file into memory using the amphtml-validator Node.js npm package which supports a validation API. Luckily, the AMP project maintains the official amphtml-validator npm package. It works well in desktop Chrome browser.
AMP audit comprises more than 40 checks; the results of these are incorporated into 3 groups you must be quite used to: 1. There are basically 2 tools you need to use. Automated AMP Validation using Jest and Puppeteer. AMP validation in DeepCrawl will allow you to quickly identify issues with their AMP HTML and As always please share any feedback as this helps to improve DeepCrawl. These should produce output similar to the following: The AMPHTML validator is cached at Or, with the command-line compatible _cli equivalents, in a terminal session: The /debug and /debug_cli versions use a smartphone HTTP User Agent, whilst the /debug_curl and /debug_curl_cli variants use the curl (desktop and server-side) User Agent.

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