--- title: Pitest: Do You Test Your Tests? | daily.dev description: Pitest: Do You Test Your Tests? Friends of OpenJDK Today What is Pitest? Pitest is a library that helps us do mutation testing. Mutation testing is a process... canonical: https://daily.dev/posts/pitest-do-you-test-your-tests--fhfvefact twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Pitest: Do You Test Your Tests? | daily.dev og:description: Pitest: Do You Test Your Tests? Friends of OpenJDK Today What is Pitest? Pitest is a library that helps us do mutation testing. Mutation testing is a process... og:url: https://daily.dev/posts/pitest-do-you-test-your-tests--fhfvefact og:image: https://api.daily.dev/og/posts/FhfVefACT.png og:image:alt: Pitest: Do You Test Your Tests? og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Pitest: Do You Test Your Tests? **[Foojay.io](https://daily.dev/sources/foojayio)** · 6 min read · 0 upvotes · 0 comments ## Summary Pitest: Do You Test Your Tests? Friends of OpenJDK Today What is Pitest? Pitest is a library that helps us do mutation testing. Mutation testing is a process in which random variations of the code under test are generated. If the test fails, the mutation is killed, if it still passes it lives. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#cli](https://daily.dev/tags/cli), [#mutation-testing](https://daily.dev/tags/mutation-testing), [#testing](https://daily.dev/tags/testing) [View this post on daily.dev](https://daily.dev/posts/pitest-do-you-test-your-tests--fhfvefact) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Pitest: Do You Test Your Tests?","url":"https://daily.dev/posts/pitest-do-you-test-your-tests--fhfvefact","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/pitest-do-you-test-your-tests--fhfvefact"},"datePublished":"2023-08-15T14:40:51.822Z","dateModified":"2026-04-17T02:12:37.528Z","description":"Pitest: Do You Test Your Tests? Friends of OpenJDK Today What is Pitest? Pitest is a library that helps us do mutation testing. Mutation testing is a process...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/ca1b98b453b98c85ba86bc51107decfd?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/ca1b98b453b98c85ba86bc51107decfd?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"Foojay.io","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Foojay.io","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/1820f6a6ae944760aa322b67ed85f848","url":"https://daily.dev/sources/foojayio"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/pitest-do-you-test-your-tests--fhfvefact","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"cli,mutation-testing,testing","timeRequired":"PT6M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Foojay.io","item":"https://daily.dev/sources/foojayio"},{"@type":"ListItem","position":3,"name":"Pitest: Do You Test Your Tests?"}]} ```