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GitHub - database-rider/database-rider: Database testing made easy!
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1ヶ月ほど前に、Firestoreのルールの単体テストに使う @firebase/rules-unit-testing がメジャーバージョンアップデートされました（v1 → v2）。個人的にこのバージョンアップによる改善は、わかりやすくかつ使いやすくなっていて好感を持てたので紹介します。 ちなみに、Firebase JS SDKを v8 → v9 にアップした際に気づきました。 変更点 公式ドキュメントでもしっかり説明されているのでこちらもご参照ください。 TypeScriptで紹介していきます。実際に動いているものが見たい方は以下のリポジトリを見るのが手っ取り早いかと思います。 @firebase/rules-unit-testing は 2.0.1 で動かしています。 v1（以前までのバージョン） import { v4 as randomString } from 'uuid' im
これから始めるReact Testing - ①React Componentのテスト - Goodpatch Tech Blog
最近、韓国ドラマと個人開発に勤しんでいる大角です。 Webサービスを提供する上でテストを自動化するケースも多いと思いますが、今回はReact Testing Libraryを使った基本的なテストの書き方についてご紹介したいと思います。これからReactでユニットテストを始めたい方などのご参考になれば、幸いです。 テストの内容については３回の記事に分け、今回の記事では最初のReactコンポーネントのテストを取り上げます。 React Componentのテスト（今回の記事） カスタムフックのテスト Recoilのテスト なお、執筆時点での関連するパッケージのバージョンは以下になっています。 create-react-app: 5.0.1 react: 18.1.0 @testing-library/jest-dom: 5.16.4 @testing-library/react: 13.2.0
A compilation of outstanding testing articles (with JavaScript) | Practica.js
A compilation of outstanding testing articles (with JavaScript)Testing the dark scenarios of your Node.js applicationPractica v0.0.6 is aliveIs Prisma better than your 'traditional' ORM?Which Monorepo is right for a Node.js BACKEND now?
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Effectiveness of isolation, testing, contact tracing, and physical distancing on reducing transmission of SARS-CoV-2 in different settings: a mathematical modelling study
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10/5のiOSDC Japan 2022 After Talkで話した内容です。
『スタディサプリ ENGLISH』 Mobileチームのhirothingsです。 ENGLISHのiOSアプリでは、StoreKit Testingを活用してIn-App Purchase(以下、IAP)の安定運用を行っています。 この記事では、 StoreKit Testingの自動テスト導入 最新のSandbox事情 について解説します。 StoreKit Testingとは WWDC2020で発表されたApp Storeサーバに接続することなく、アプリ内課金をテストするためのローカル環境の総称です。 StoreKit Configファイルで設定したプロダクト情報を元に ローカル(シミュレータでも可)で課金処理のシミュレーション 自動ユニットテスト の実行ができます。 設定については割愛します。ドキュメントはこちらです StoreKit Testを使った課金テストの自動化 Store
Autify advances no-code AI-powered software testing automation platform with $10M Series A | TechCrunch
Autify advances no-code AI-powered software testing automation platform with $10M Series A While working as a software engineer in Japan, Singapore and San Francisco for the past 10 years, Ryo Chikazawa, CEO and co-founder of Autify, came to realize that there’s one common problem in the software development industry; software testing takes excessive time. Chikazawa and co-founder Sam Yamashita st
You’re seeing information for Japan . To see local features and services for another location, select a different city. Show more Introduction Shadower is a load testing tool that allows us to provide load testing as a service to any microservice at Uber. Shadower started as a command line application that allowed us to read a local file to load test a local application. At the time, Maps PEs were
Test Flakiness - One of the main challenges of automated testing
What I would like to see is a breakdown of how many failures fall into which category. And of the above categories, while useful for root cause analysis and eventual fix, for sake of triaging results, and disposition of what to do if hitting such a failure, it seems that whether or not the failure is a true product failure is a HUGE difference from the other three. For the other three, the major r
Distributed Load Testing on AWS は、大規模および負荷時のソフトウェアアプリケーションテストを自動化して、リリース前に性能上の潜在的なパフォーマンスの問題を特定することのできるソリューションです。このソリューションは、一定のペースでトランザクションレコードを生成する数多くの接続ユーザーを作成およびシミュレートします。サーバーをプロビジョニングする必要はありません。 更新されたソリューションには、以前に実行したテストのデータを表示する機能が含まれます。データには、テスト設定、テストデータ、および Amazon CloudWatch で視覚化された結果履歴が含まれます。更新には、既存の Amazon Virtual Private Cloud (Amazon VPC) を活用できる機能、および複数のアベイラビリティーゾーンで AWS Fargate タスクを起動す
First published on June 2, 2021, updated on September 1, 2023 In the 2000s, when I was a teenager building web apps and browser games, I built most things from scratch with PHP and JavaScript. One reason was that I didn’t want to use any framework or library I didn’t understand, and the other reason was that things I didn’t understand felt like magic. I have since resigned to the fact that I canno
SWETグループのKuniwakです。iOSコミュニティの皆様にとってはお久しぶりです！ 早速本題ですが、夜開催のiOS Test Onlineを始めます！iOS Test Onlineは、iOS Test NightやiOS Test TeaTimeと同じくiOSアプリのユニットテストやUIテスト、継続的インテグレーション（CI）などiOSアプリのテストにまつわる技術的な発表の場です。 「iOS Test 〜」系勉強会が多すぎる！と思った方向けに説明すると、それぞれのイベントは開催時間帯と開催形態で分かれているだけで発表内容や発表ボリュームは変わりません。 イベント 開催時間帯 開催形態 iOS Test Online 夜 オンライン iOS Test Night 夜 オフライン iOS Test TeaTime 昼 オンライン さて、このiOS Test Onlineについて発表者を募
Let's take a closer look at the strategies and learn the meaning behind their names. Determine testing goals: What do you want to achieve with these tests? Before you can start building a good strategy, figure out your testing goal. When do you consider that your application has been sufficiently tested? Achieving high test coverage is often viewed as the ultimate goal for developers when it comes
False positives in reverse transcription PCR testing for SARS-CoV-2
1 False positives in reverse transcription PCR testing for SARS-CoV-2 Andrew N. Cohen1 *, Bruce Kessel2 1 Center for Research on Aquatic Bioinvasions, Richmond CA, USA 2 Department of Obstetrics, Gynecology and Women’s Health, John A. Burns School of Medicine, University of Hawaii, Honolulu HI, USA * Correspondence: acohen@bioinvasions.com Abstract Background Large-scale testing for SARS-CoV-2 by
A higher contrast ratio is scored with a higher number, like 4.5 or 7 instead of 3. To get more familiar with the scoring table, check out Polypane's Contrast Checker. Which of these color pairings do you feel contrast more? Testing contrast between colors So, now that we know what we’re looking for, how do we test this? Here are three free tools to assist you in inspecting, correcting and measuri
React Testing For Beginners
Today, we are going to talk about one of the most underrated parts of development: Testing. We all know testing is really important and a properly tested software product ensures dependability, security, and high performance, which leads to time savings, cost effectiveness, and customer satisfaction. But why do we underestimate testing even though it's not that challenging? "Because it's boring!"
External endpoints and testing of task states now available in AWS Step Functions | Amazon Web Services
AWS News Blog External endpoints and testing of task states now available in AWS Step Functions Now AWS Step Functions HTTPS endpoints let you integrate third-party APIs and external services to your workflows. HTTPS endpoints provide a simpler way of making calls to external APIs and integrating with existing SaaS providers, like Stripe for handling payments, GitHub for code collaboration and rep
Dynamic Data Testing
Data is rarely static, so why should data tests be? When testing data, our first instinct is to reach for perfection. Can’t we write down a clear set of rules that govern exactly how our data should behave, just like we do when testing software? Of course we can’t! Data isn’t software, and shouldn’t be tested in the same way. The reality is that the factors affecting your data that are out of your
Testing push notifications in the iOS simulator make adding support for remote notifications much more effortless. You often must iterate a lot to verify that your code is working as expected. After gaining permission to receive push notifications in your app, you can start testing out several notifications. Xcode’s Simulator supports testing both regular and Rich Notifications, depending on the J
Hi, first of all I’d like to thank you for all your support for my React Router Testing with Jest and enzyme article that reached over 100+ fans and 600+ claps! It’s been really meaningful to me and motivated me to write new article about testing. So this time I’d like to review the recently popular testing library: react-testing-library by Kent C. Dodds. From its README: The react-testing-library
Testing docker CVE scanners. Part 2.5 — Exploiting CVE scanners
After spending weeks with the CVE scanners, it would be hard to look in the mirror if I had not tried exploiting them! I the 2.5th (eventually because of fixing times the 4th) episode of my trilogy on Docker CVE scanners: Let’s take a look at how secure the scanners are. In this article I’ll focus more on the consequences and design level analysis, if you are interested in the nitty-gritty details
Tips for testing and debugging SameSite-by-default and “SameSite=None; Secure” cookies
Tips for testing and debugging SameSite-by-default and “SameSite=None; Secure” cookies (Last updated: Mar 18, 2021) What: An overview of steps you can take to test your site against Chrome’s new SameSite-by-default cookie behavior, and tips for debugging cookie issues that may be related. Who: You should read this if your site provides or depends upon cross-site cookies. Some of these tips will pr
Lysxia - Testing higher-order properties with QuickCheck
I have just released two libraries to enhance QuickCheck for testing higher-order properties: quickcheck-higherorder and test-fun. This is a summary of their purpose and main features. For more details, refer to the README and the implementations of the respective packages. Context This project started from experiments to design laws for the mtl library. What makes a good law? I still don’t know t
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Hooks were introduced in React 16.8 in late 2018. They are functions that hook into a functional component and allow us to use state and component features like componentDidUpdate, componentDidMount, and more. This was not possible before. Also, hooks allow us to reuse component and state logic across different components. This was tricky to do before. Therefore, hooks have been a game-changer. In
GitHub - Testy/TestyTs: ✔️ Modern TypeScript testing framework.
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【書き起こし】Frontend Testing: Cypress as a Testing Platform – Wilson Lau【Merpay Tech Fest 2021】 | メルカリエンジニアリング
【書き起こし】Frontend Testing: Cypress as a Testing Platform – Wilson Lau【Merpay Tech Fest 2021】 Merpay Tech Fest 2021は、事業との関わりから技術への興味を深め、プロダクトやサービスを支えるエンジニアリングを知れるお祭りで、2021年7月26日（月）からの5日間、開催しました。セッションでは、事業を支える組織・技術・課題などへの試行錯誤やアプローチを紹介していきました。 この記事は、「プラットフォームとして、Cypresssを利用したフロントエンドのテスト」の書き起こしです。 Wilson Lau氏：「Merpay Tech Fest 2021」へ、ようこそ。Wilsonと申します。プラットフォームとして、Cypresssを利用したフロントエンドのテストについてご紹介します。 私は、20
This page is about the book, Testing Treatments. You can read online in full text, download a PDF or listen to the audio book.
パブリックプレビューになった Microsoft Playwright Testing を使って Playwright テストを並列実行してみた | DevelopersIO
パブリックプレビューになった Microsoft Playwright Testing を使って Playwright テストを並列実行してみた いわさです。 Web E2E テストを行うためのフレームワークには様々なものが存在しますが、その中のひとつに Microsoft が開発した Playwright というものがあります。 Playwright は Chromium、Firefox、WebKit のレンダリングエンジンをサポートしており、クロスプラットフォーム環境で使用することが出来ます。 Playwright のテストランナーは並列ワーカーの実行をサポートしており、大規模な E2E テストを CI/CD の中で実行する場合でも効率的に実行することが出来ます。 しかし、並列ワーカーを増やしたとしても CI/CD ワーカーのコア数など限度があり、テスト対象のブラウザやオペレーティング
Ruby Princess logged 158 cases of illness before passengers disembarked without coronavirus testing
‘With the benefit of what we now know ... I’d say yeah, maybe we should hold them on the ship,’ NSW health minister Brad Hazzard said of the decision to let thousands of passengers who had been in contact with coronavirus cases disembark. Photograph: James D Morgan/Getty Images ‘With the benefit of what we now know ... I’d say yeah, maybe we should hold them on the ship,’ NSW health minister Brad
E2Eテストから負荷試験シナリオを作ってみた / Why do we make a scenario of load testing from E2E testing scenarios
PR TIMES x 面白法人カヤック合同勉強会
I tested a React app with Jest, Enzyme, Testing Library and Cypress. Here are the differences.
Jest vs Testing Library vs Cypress: The results of the tests are in!You probably know that knowing how to test your code is important.A lot of jobs in tech will require knowledge of testing with at least one testing tool/framework/library. Here we will look to show you how to write tests with three different tools so that you can not only see the differences between them, but also begin to underst
Setup Jest and React Testing Library in a React project | a step-by-step guide
Setup Jest and React Testing Library in a React project | a step-by-step guide Not long ago that I came across with the concept of testing specifically "writing tests". I used to test everything by opening browsers and doing everything manually but you can't know what can go wrong when you change something in your code, and usually it does. The point is that real apps need testing to ensure that o
JSer.info #696 - Storybook 8.1がリリースされました。 Storybook 8.1 Storyファイルを作成するUIの追加、Subpath importsを使ったモックの対応、Playwright Component Testの対応しています。 pacakge.jsonのimportsフィールドで特定のモジュールを条件分岐して読み分けるための仕組みであるSubpath importsについては、次の記事でも解説されています。 Type-safe module mocking in Storybook Mocking modules • Storybook docs その他には、React 19/Angular 18のサポートなども含まれています。 Turborepo 2.0がリリースされました。 Turborepo 2.0 Turborepoはmonorepo向
React Testing Library and the “not wrapped in act” Errors
I recently upgraded React and React testing library. Very happy about the upgrade. But I start to see test errors like this: When testing, code that causes React state updates should be wrapped into act(...): act(() => { /* fire events that update state */ }); /* assert on the output */ This ensures that you're testing the behavior the user would see in the browser. Learn more at https://fb.me/rea
GitHub - fuzzitdev/jsfuzz: coverage guided fuzz testing for javascript
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Fuzz testing in WebAssembly VMs
Fuzzing or fuzz testing is an automated testing technique that involves providing invalid, unexpected, or random data as inputs to a program to find bugs that would be otherwise hard to find with manual generated input. — Wikipedia In the last months I’ve been working developing fuzzing targets to find bugs and create patches for the Wasmer WebAssembly runtime. In this post we will learn what is f
Testing Over decades of software development, people have discovered one truth: Untested software rarely works. (Many people would go as far as saying: “Most tested software doesn’t work either.” But we are all optimists here, right?) So, to ensure that your program does what you expect it to do, it is wise to test it. One easy way to do that is to write a README file that describes what your prog
RubyKaigi 2024 - Unlocking Potential of Property Based testing with Ractor (Day1) - Techouse Developers Blog
Unlocking Potential of Property Based Testing with Ractor こんにちは、2024年に新卒で入社し、クラウドハウス採用でバックエンドエンジニアをしているrei_fujiseです。 本記事ではRubyKaigi 2024の1日目のMasato Ohba(@ohbarye)さんによるセッション Unlocking Potential of Property Based Testing with Ractor について紹介させていただきます。 セッションで使用されていたスライドはこちらに公開されています。また、デモに使用されたソースコードはこちらに公開されています。 このセッションでは「Property based testing が Ractor の良いユースケースとなる」という仮説の検証をしたことについて、Property based t
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rules-unit-testingがv2になったので変更点とともに紹介する
Xcode10から最新までのTestingをふりかえる
StoreKit Testing を使った自動テストをアプリに導入した話 | PSYENCE:MEDIA
Introducing Shadower: A Minimalistic Load Testing Tool
Distributed Load Testing on AWS v2.0.0 の紹介
Building a JavaScript Testing Framework
夜開催のiOS Test Onlineを開催します！登壇者募集！ - DeNA Testing Blog
Pyramid or Crab? Find a testing strategy that fits | Articles | web.dev
Testing Web Design Color Contrast | Articles | web.dev
Testing push notifications on the iOS simulator
React Testing with react-testing-library
Online API Testing Tool | Test Your API Online
Complete Guide to React Hooks Testing | Toptal®
書籍 - JP Testing Treatment Interactive
2024-06-13のJS: Storybook 8.1、Turborepo 2.0、Node v22.3.0(Snapshot Testing)
Testing - Command Line Applications in Rust