--- title: Implicit Assertions Are More Readable | daily.dev description: A critique of a canonical: https://daily.dev/posts/implicit-assertions-are-more-readable-hnorz9yww twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Implicit Assertions Are More Readable | daily.dev og:description: A critique of a og:url: https://daily.dev/posts/implicit-assertions-are-more-readable-hnorz9yww og:image: https://api.daily.dev/og/posts/hNoRZ9Yww.png og:image:alt: Implicit Assertions Are More Readable 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. # Implicit Assertions Are More Readable **[Gleb Bahmutov](https://daily.dev/sources/glebbahmutov)** · 2 min read · 4 upvotes · 0 comments ## Summary A critique of a ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### why is closeTo a bad assertion for checking a createdAt timestamp in a Cypress test A closeTo assertion with a +/- 1 minute tolerance allows a createdAt date to be up to 30 seconds in the future, which is logically impossible for a just-created item. A more precise range check comparing against the current timestamp avoids allowing invalid future dates while still tolerating small timing differences. _Developers tightening Cypress test assertions can find similar testing critiques and patterns on daily.dev._ ### what is cy-spok used for in Cypress tests cy-spok is a utility that wraps Cypress assertions to verify deeply nested response objects in a single call, including using named predicates for individual properties. It removes the verbosity of writing separate explicit assertions for each field, making API response checks more compact and readable. _Anyone comparing Cypress assertion styles can track tools like cy-spok through daily.dev._ ## Similar posts on daily.dev - [assert\(\): A modern How To](https://daily.dev/posts/assert-a-modern-how-to-mky6fdnmw) · Hacker News · 0 upvotes · 0 comments --- Tags: [#javascript](https://daily.dev/tags/javascript), [#testing](https://daily.dev/tags/testing), [#cypress](https://daily.dev/tags/cypress) [View this post on daily.dev](https://daily.dev/posts/implicit-assertions-are-more-readable-hnorz9yww) ```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":"Implicit Assertions Are More Readable","url":"https://daily.dev/posts/implicit-assertions-are-more-readable-hnorz9yww","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/implicit-assertions-are-more-readable-hnorz9yww"},"datePublished":"2026-09-02T01:01:52.742Z","dateModified":"2026-09-02T01:02:11.523Z","description":"A critique of a ","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/6127efa27300149f243ab744d14ffae4?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/6127efa27300149f243ab744d14ffae4?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Gleb Bahmutov","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":"Gleb Bahmutov","logo":"https://media.daily.dev/image/upload/s--TzkdP-7a--/f_auto,q_auto/v1780213676/logos/glebbahmutov?_a=BAMAMiWQ0","url":"https://daily.dev/sources/glebbahmutov"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/implicit-assertions-are-more-readable-hnorz9yww","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":4},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"javascript,testing,cypress","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Gleb Bahmutov","item":"https://daily.dev/sources/glebbahmutov"},{"@type":"ListItem","position":3,"name":"Implicit Assertions Are More Readable"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/implicit-assertions-are-more-readable-hnorz9yww#faq","mainEntity":[{"@type":"Question","name":"why is closeTo a bad assertion for checking a createdAt timestamp in a Cypress test","acceptedAnswer":{"@type":"Answer","text":"A closeTo assertion with a +/- 1 minute tolerance allows a createdAt date to be up to 30 seconds in the future, which is logically impossible for a just-created item. 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