{"id":20569525,"url":"https://github.com/strojure/assertie","last_synced_at":"2026-05-26T23:02:10.699Z","repository":{"id":62780188,"uuid":"533377609","full_name":"strojure/assertie","owner":"strojure","description":"Macros for runtime assertion in Clojure(Script).","archived":false,"fork":false,"pushed_at":"2023-03-08T18:17:27.000Z","size":23,"stargazers_count":2,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"default","last_synced_at":"2025-10-20T09:39:05.556Z","etag":null,"topics":["assertions","clojure","clojurescript"],"latest_commit_sha":null,"homepage":"","language":"Clojure","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"unlicense","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/strojure.png","metadata":{"files":{"readme":"README.md","changelog":"CHANGELOG.md","contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2022-09-06T15:04:42.000Z","updated_at":"2024-06-18T14:38:34.000Z","dependencies_parsed_at":"2025-01-16T20:51:32.907Z","dependency_job_id":"a98e40aa-42c8-422a-aa9a-11752315d77a","html_url":"https://github.com/strojure/assertie","commit_stats":{"total_commits":19,"total_committers":2,"mean_commits":9.5,"dds":"0.10526315789473684","last_synced_commit":"a0a9871d8824f66ceb3757d7670b8dc108fbb40e"},"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/strojure/assertie","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/strojure%2Fassertie","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/strojure%2Fassertie/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/strojure%2Fassertie/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/strojure%2Fassertie/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/strojure","download_url":"https://codeload.github.com/strojure/assertie/tar.gz/refs/heads/default","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/strojure%2Fassertie/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":33540617,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-05-26T15:22:16.424Z","status":"ssl_error","status_checked_at":"2026-05-26T15:22:15.568Z","response_time":63,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.5:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["assertions","clojure","clojurescript"],"created_at":"2024-11-16T05:08:34.671Z","updated_at":"2026-05-26T23:02:10.671Z","avatar_url":"https://github.com/strojure.png","language":"Clojure","funding_links":[],"categories":[],"sub_categories":[],"readme":"# assertie\n\nMacros for runtime assertion in Clojure(Script).\n\n[![Clojars Project](https://img.shields.io/clojars/v/com.github.strojure/assertie.svg)](https://clojars.org/com.github.strojure/assertie)\n\n[![cljdoc badge](https://cljdoc.org/badge/com.github.strojure/assertie)](https://cljdoc.org/d/com.github.strojure/assertie)\n[![cljs compatible](https://img.shields.io/badge/cljs-compatible-green)](https://clojurescript.org/)\n[![tests](https://github.com/strojure/assertie/actions/workflows/tests.yml/badge.svg)](https://github.com/strojure/assertie/actions/workflows/tests.yml)\n\n## Motivation\n\nRuntime asserts with better reporting about failed asserting value.\n\n## Features\n- Ex-data with info about failed asserting value.\n- Predicate based assertions.\n- Return `true` instead of `nil` to be used directly in :pre/:post conditions.\n- Argument order is designed to be used with `doto` macro.\n- `Exception`-inherited exceptions instead of `Throwable`-inherited ones.\n\n## API\n\n### assert-pred\n\nMain macro to assert value/expression by predicate function.\n\n```clojure\n(ns readme.api-01-assert-pred\n  (:require [strojure.assertie.core :as a :include-macros true]))\n\n(a/assert-pred \"1\" string?)\n;=\u003e true\n\n(a/assert-pred (inc 0) string?)\n;Assert failed: (assert-pred (inc 0) string?)\n; #:asserting{:value 1, :type java.lang.Long}\n\n(a/assert-pred (inc 0) string? \"Expect string\")\n;Expect string - Assert failed: (assert-pred (inc 0) string?)\n; #:asserting{:value 1, :type java.lang.Long}\n\n(a/assert-pred [] (a/not-thrown first))\n;=\u003e true\n\n(a/assert-pred 1 (a/not-thrown first))\n;Assert failed: (assert-pred 1 (a/not-thrown first))\n; #:asserting{:value 1, :type java.lang.Long}\n;Don't know how to create ISeq from: java.lang.Long\n```\n\n### assert-expr\n\nSecondary macro similar to `clojure.core/assert`.\n\n```clojure\n(ns readme.api-02-assert-expr\n  (:require [strojure.assertie.core :as a :include-macros true]))\n\n(a/assert-expr (= 1 (inc 0)))\n;=\u003e true\n\n(a/assert-expr (= 1 2))\n;Assert failed: (assert-expr (= 1 2))\n; #:asserting{:value false}\n\n(a/assert-expr (= 1 2) \"Expect 1=2\")\n;Expect 1=2 - Assert failed: (assert-expr (= 1 2))\n; #:asserting{:value false}\n```\n\n### assert-spec\n\nCustom macro to assert against spec. This macro is an example of implementation\nof new macros on top of `assertie`.\n\n```clojure\n(ns readme.api-03-assert-spec\n  (:require [clojure.spec.alpha :as s]\n            [strojure.assertie.spec-alpha :as a :include-macros true]))\n\n(s/def ::string string?)\n\n(a/assert-spec \"1\" ::string \"Message\")\n;=\u003e true\n\n(a/assert-spec 1 ::string \"Message\")\n;Message - Assert failed: (assert-spec 1 :project.readme.example.spec-01-assert-spec/string)\n; {}\n;Spec assertion failed\n;1 - failed: string?\n; #:clojure.spec.alpha{:problems [{:path [], :pred clojure.core/string?, :val 1, :via [], :in []}], :spec :project.readme.example.spec-01-assert-spec/string, :value 1, :failure :assertion-failed}\n```","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fstrojure%2Fassertie","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fstrojure%2Fassertie","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fstrojure%2Fassertie/lists"}