{"adoption": {"forks": 724, "observed_at": "2026-08-28T04:08:20.906859+00:00", "stars": 3816}, "canonical_url": "https://ross.abutalabs.com/products/fluentassertions", "card": {"archived": false, "artifact_type": "library", "description": "A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, as well as .NET Core 2.1, .NET Core 3.0, .NET 6, .NET Standard 2.0 and 2.1. Supports the unit test frameworks MSTest2, NUnit3, XUnit2, MSpec, and NSpec3.", "domain": ["testing", "developer-tools"], "enriched": true, "function": ["testing"], "health_score": 99, "homepage": "https://xceed.com/products/unit-testing/fluent-assertions/", "language": "C#", "license": "NOASSERTION", "license_family": "other", "maturity": "active", "member_repos": ["fluentassertions/fluentassertions"], "name": "fluentassertions/fluentassertions", "platform": ["dotnet", "cross-platform"], "pushed_at": "2026-08-25T12:36:46+00:00", "repo": "fluentassertions/fluentassertions", "stars": 3816, "tags": ["assertions", "tdd", "bdd", "unit-testing", "xunit", "nunit", "mstest", "fluent-api", "c-sharp"], "topics": ["fluent-assertions", "c-sharp", "assertions", "tdd", "bdd-style", "unit-testing", "xunit", "mstest", "hacktoberfest"], "urls": [], "use_cases": ["write readable unit test assertions in .NET", "fluently assert collection contents in C# tests", "verify exceptions are thrown with specific messages", "chain assertions on object graphs", "improve TDD/BDD test readability"], "what_it_is": "Fluent Assertions is a .NET library providing an extensive set of extension methods for writing readable, fluent assertions in TDD and BDD-style unit tests. It supports multiple .NET platforms and integrates with test frameworks such as MSTest, NUnit, XUnit, MSpec, and NSpec.", "when_to_avoid": ["you are not developing on .NET", "you need a permissively licensed library without commercial subscription requirements", "you prefer plain built-in framework assertions"], "when_to_choose": ["you write .NET unit tests and want expressive, chainable assertions", "you use MSTest, NUnit, XUnit, MSpec, or NSpec and want better failure messages", "you follow TDD or BDD practices in C#"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/fluentassertions", "repo": "fluentassertions/fluentassertions", "role": "main", "score": 94}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:08:20.906859+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T18:26:32.653661+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "24de61325bf5b6c4d69c767c075fac44618d78f7da6aa92c37cebde7346e230b", "fetched_at": "2026-08-28T04:08:20.906859+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fluentassertions/fluentassertions"}, {"content_hash": "4652364aa8b65ebf49c1e21396ac1ac009553b9d18de52816e03f5f9b0cb4f95", "fetched_at": "2026-08-29T09:21:28.744135+00:00", "kind": "homepage", "missing": false, "url": "https://xceed.com/products/unit-testing/fluent-assertions/"}, {"content_hash": "033a2aa84402dadea2146be807de79383fadef06e923e7132ac6023cc8a8f3ce", "fetched_at": "2026-08-29T09:21:28.753530+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/about-us"}, {"content_hash": "c142e1837db01e8bc1744e0133bc5688daa9ea064b52c738b9724400a4c8a29f", "fetched_at": "2026-08-29T09:21:28.757731+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation"}, {"content_hash": "cd2dc3eb05f4f1d5eba435e7ad10335204dad4e7096a533202d7d25f12e4c4ad", "fetched_at": "2026-08-29T09:21:28.759421+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation/xceed-fluent-assertions-for-net/index.html"}, {"content_hash": "36434f351d407ba6dba28ddcd306fb57c3a56ad8fd63c7dbe99dcedff4ffd8bf", "fetched_at": "2026-08-29T09:21:28.755949+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/pricing"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:08:20.906859+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T18:26:32.653661+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "24de61325bf5b6c4d69c767c075fac44618d78f7da6aa92c37cebde7346e230b", "fetched_at": "2026-08-28T04:08:20.906859+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fluentassertions/fluentassertions"}, {"content_hash": "4652364aa8b65ebf49c1e21396ac1ac009553b9d18de52816e03f5f9b0cb4f95", "fetched_at": "2026-08-29T09:21:28.744135+00:00", "kind": "homepage", "missing": false, "url": "https://xceed.com/products/unit-testing/fluent-assertions/"}, {"content_hash": "033a2aa84402dadea2146be807de79383fadef06e923e7132ac6023cc8a8f3ce", "fetched_at": "2026-08-29T09:21:28.753530+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/about-us"}, {"content_hash": "c142e1837db01e8bc1744e0133bc5688daa9ea064b52c738b9724400a4c8a29f", "fetched_at": "2026-08-29T09:21:28.757731+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation"}, {"content_hash": "cd2dc3eb05f4f1d5eba435e7ad10335204dad4e7096a533202d7d25f12e4c4ad", "fetched_at": "2026-08-29T09:21:28.759421+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation/xceed-fluent-assertions-for-net/index.html"}, {"content_hash": "36434f351d407ba6dba28ddcd306fb57c3a56ad8fd63c7dbe99dcedff4ffd8bf", "fetched_at": "2026-08-29T09:21:28.755949+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/pricing"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T18:26:32.653661+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "24de61325bf5b6c4d69c767c075fac44618d78f7da6aa92c37cebde7346e230b", "fetched_at": "2026-08-28T04:08:20.906859+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fluentassertions/fluentassertions"}, {"content_hash": "4652364aa8b65ebf49c1e21396ac1ac009553b9d18de52816e03f5f9b0cb4f95", "fetched_at": "2026-08-29T09:21:28.744135+00:00", "kind": "homepage", "missing": false, "url": "https://xceed.com/products/unit-testing/fluent-assertions/"}, {"content_hash": "033a2aa84402dadea2146be807de79383fadef06e923e7132ac6023cc8a8f3ce", "fetched_at": "2026-08-29T09:21:28.753530+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/about-us"}, {"content_hash": "c142e1837db01e8bc1744e0133bc5688daa9ea064b52c738b9724400a4c8a29f", "fetched_at": "2026-08-29T09:21:28.757731+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation"}, {"content_hash": "cd2dc3eb05f4f1d5eba435e7ad10335204dad4e7096a533202d7d25f12e4c4ad", "fetched_at": "2026-08-29T09:21:28.759421+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation/xceed-fluent-assertions-for-net/index.html"}, {"content_hash": "36434f351d407ba6dba28ddcd306fb57c3a56ad8fd63c7dbe99dcedff4ffd8bf", "fetched_at": "2026-08-29T09:21:28.755949+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/pricing"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:08:20.906859+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:08:20.906859+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:08:20.906859+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T18:26:32.653661+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "24de61325bf5b6c4d69c767c075fac44618d78f7da6aa92c37cebde7346e230b", "fetched_at": "2026-08-28T04:08:20.906859+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fluentassertions/fluentassertions"}, {"content_hash": "4652364aa8b65ebf49c1e21396ac1ac009553b9d18de52816e03f5f9b0cb4f95", "fetched_at": "2026-08-29T09:21:28.744135+00:00", "kind": "homepage", "missing": false, "url": "https://xceed.com/products/unit-testing/fluent-assertions/"}, {"content_hash": "033a2aa84402dadea2146be807de79383fadef06e923e7132ac6023cc8a8f3ce", "fetched_at": "2026-08-29T09:21:28.753530+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/about-us"}, {"content_hash": "c142e1837db01e8bc1744e0133bc5688daa9ea064b52c738b9724400a4c8a29f", "fetched_at": "2026-08-29T09:21:28.757731+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation"}, {"content_hash": "cd2dc3eb05f4f1d5eba435e7ad10335204dad4e7096a533202d7d25f12e4c4ad", "fetched_at": "2026-08-29T09:21:28.759421+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation/xceed-fluent-assertions-for-net/index.html"}, {"content_hash": "36434f351d407ba6dba28ddcd306fb57c3a56ad8fd63c7dbe99dcedff4ffd8bf", "fetched_at": "2026-08-29T09:21:28.755949+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/pricing"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:08:20.906859+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:08:20.906859+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T18:26:32.653661+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "24de61325bf5b6c4d69c767c075fac44618d78f7da6aa92c37cebde7346e230b", "fetched_at": "2026-08-28T04:08:20.906859+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fluentassertions/fluentassertions"}, {"content_hash": "4652364aa8b65ebf49c1e21396ac1ac009553b9d18de52816e03f5f9b0cb4f95", "fetched_at": "2026-08-29T09:21:28.744135+00:00", "kind": "homepage", "missing": false, "url": "https://xceed.com/products/unit-testing/fluent-assertions/"}, {"content_hash": "033a2aa84402dadea2146be807de79383fadef06e923e7132ac6023cc8a8f3ce", "fetched_at": "2026-08-29T09:21:28.753530+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/about-us"}, {"content_hash": "c142e1837db01e8bc1744e0133bc5688daa9ea064b52c738b9724400a4c8a29f", "fetched_at": "2026-08-29T09:21:28.757731+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation"}, {"content_hash": "cd2dc3eb05f4f1d5eba435e7ad10335204dad4e7096a533202d7d25f12e4c4ad", "fetched_at": "2026-08-29T09:21:28.759421+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation/xceed-fluent-assertions-for-net/index.html"}, {"content_hash": "36434f351d407ba6dba28ddcd306fb57c3a56ad8fd63c7dbe99dcedff4ffd8bf", "fetched_at": "2026-08-29T09:21:28.755949+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/pricing"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:08:20.906859+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:08:20.906859+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:08:20.906859+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T18:26:32.653661+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "24de61325bf5b6c4d69c767c075fac44618d78f7da6aa92c37cebde7346e230b", "fetched_at": "2026-08-28T04:08:20.906859+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fluentassertions/fluentassertions"}, {"content_hash": "4652364aa8b65ebf49c1e21396ac1ac009553b9d18de52816e03f5f9b0cb4f95", "fetched_at": "2026-08-29T09:21:28.744135+00:00", "kind": "homepage", "missing": false, "url": "https://xceed.com/products/unit-testing/fluent-assertions/"}, {"content_hash": "033a2aa84402dadea2146be807de79383fadef06e923e7132ac6023cc8a8f3ce", "fetched_at": "2026-08-29T09:21:28.753530+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/about-us"}, {"content_hash": "c142e1837db01e8bc1744e0133bc5688daa9ea064b52c738b9724400a4c8a29f", "fetched_at": "2026-08-29T09:21:28.757731+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation"}, {"content_hash": "cd2dc3eb05f4f1d5eba435e7ad10335204dad4e7096a533202d7d25f12e4c4ad", "fetched_at": "2026-08-29T09:21:28.759421+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation/xceed-fluent-assertions-for-net/index.html"}, {"content_hash": "36434f351d407ba6dba28ddcd306fb57c3a56ad8fd63c7dbe99dcedff4ffd8bf", "fetched_at": "2026-08-29T09:21:28.755949+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/pricing"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:08:20.906859+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:08:20.906859+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T18:26:32.653661+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "24de61325bf5b6c4d69c767c075fac44618d78f7da6aa92c37cebde7346e230b", "fetched_at": "2026-08-28T04:08:20.906859+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fluentassertions/fluentassertions"}, {"content_hash": "4652364aa8b65ebf49c1e21396ac1ac009553b9d18de52816e03f5f9b0cb4f95", "fetched_at": "2026-08-29T09:21:28.744135+00:00", "kind": "homepage", "missing": false, "url": "https://xceed.com/products/unit-testing/fluent-assertions/"}, {"content_hash": "033a2aa84402dadea2146be807de79383fadef06e923e7132ac6023cc8a8f3ce", "fetched_at": "2026-08-29T09:21:28.753530+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/about-us"}, {"content_hash": "c142e1837db01e8bc1744e0133bc5688daa9ea064b52c738b9724400a4c8a29f", "fetched_at": "2026-08-29T09:21:28.757731+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation"}, {"content_hash": "cd2dc3eb05f4f1d5eba435e7ad10335204dad4e7096a533202d7d25f12e4c4ad", "fetched_at": "2026-08-29T09:21:28.759421+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation/xceed-fluent-assertions-for-net/index.html"}, {"content_hash": "36434f351d407ba6dba28ddcd306fb57c3a56ad8fd63c7dbe99dcedff4ffd8bf", "fetched_at": "2026-08-29T09:21:28.755949+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/pricing"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T18:26:32.653661+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "24de61325bf5b6c4d69c767c075fac44618d78f7da6aa92c37cebde7346e230b", "fetched_at": "2026-08-28T04:08:20.906859+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fluentassertions/fluentassertions"}, {"content_hash": "4652364aa8b65ebf49c1e21396ac1ac009553b9d18de52816e03f5f9b0cb4f95", "fetched_at": "2026-08-29T09:21:28.744135+00:00", "kind": "homepage", "missing": false, "url": "https://xceed.com/products/unit-testing/fluent-assertions/"}, {"content_hash": "033a2aa84402dadea2146be807de79383fadef06e923e7132ac6023cc8a8f3ce", "fetched_at": "2026-08-29T09:21:28.753530+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/about-us"}, {"content_hash": "c142e1837db01e8bc1744e0133bc5688daa9ea064b52c738b9724400a4c8a29f", "fetched_at": "2026-08-29T09:21:28.757731+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation"}, {"content_hash": "cd2dc3eb05f4f1d5eba435e7ad10335204dad4e7096a533202d7d25f12e4c4ad", "fetched_at": "2026-08-29T09:21:28.759421+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation/xceed-fluent-assertions-for-net/index.html"}, {"content_hash": "36434f351d407ba6dba28ddcd306fb57c3a56ad8fd63c7dbe99dcedff4ffd8bf", "fetched_at": "2026-08-29T09:21:28.755949+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/pricing"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T18:26:32.653661+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "24de61325bf5b6c4d69c767c075fac44618d78f7da6aa92c37cebde7346e230b", "fetched_at": "2026-08-28T04:08:20.906859+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fluentassertions/fluentassertions"}, {"content_hash": "4652364aa8b65ebf49c1e21396ac1ac009553b9d18de52816e03f5f9b0cb4f95", "fetched_at": "2026-08-29T09:21:28.744135+00:00", "kind": "homepage", "missing": false, "url": "https://xceed.com/products/unit-testing/fluent-assertions/"}, {"content_hash": "033a2aa84402dadea2146be807de79383fadef06e923e7132ac6023cc8a8f3ce", "fetched_at": "2026-08-29T09:21:28.753530+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/about-us"}, {"content_hash": "c142e1837db01e8bc1744e0133bc5688daa9ea064b52c738b9724400a4c8a29f", "fetched_at": "2026-08-29T09:21:28.757731+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation"}, {"content_hash": "cd2dc3eb05f4f1d5eba435e7ad10335204dad4e7096a533202d7d25f12e4c4ad", "fetched_at": "2026-08-29T09:21:28.759421+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation/xceed-fluent-assertions-for-net/index.html"}, {"content_hash": "36434f351d407ba6dba28ddcd306fb57c3a56ad8fd63c7dbe99dcedff4ffd8bf", "fetched_at": "2026-08-29T09:21:28.755949+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/pricing"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T18:26:32.653661+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "24de61325bf5b6c4d69c767c075fac44618d78f7da6aa92c37cebde7346e230b", "fetched_at": "2026-08-28T04:08:20.906859+00:00", "kind": "readme", "missing": false, "url": "https://github.com/fluentassertions/fluentassertions"}, {"content_hash": "4652364aa8b65ebf49c1e21396ac1ac009553b9d18de52816e03f5f9b0cb4f95", "fetched_at": "2026-08-29T09:21:28.744135+00:00", "kind": "homepage", "missing": false, "url": "https://xceed.com/products/unit-testing/fluent-assertions/"}, {"content_hash": "033a2aa84402dadea2146be807de79383fadef06e923e7132ac6023cc8a8f3ce", "fetched_at": "2026-08-29T09:21:28.753530+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/about-us"}, {"content_hash": "c142e1837db01e8bc1744e0133bc5688daa9ea064b52c738b9724400a4c8a29f", "fetched_at": "2026-08-29T09:21:28.757731+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation"}, {"content_hash": "cd2dc3eb05f4f1d5eba435e7ad10335204dad4e7096a533202d7d25f12e4c4ad", "fetched_at": "2026-08-29T09:21:28.759421+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/documentation/xceed-fluent-assertions-for-net/index.html"}, {"content_hash": "36434f351d407ba6dba28ddcd306fb57c3a56ad8fd63c7dbe99dcedff4ffd8bf", "fetched_at": "2026-08-29T09:21:28.755949+00:00", "kind": "site_page", "missing": false, "url": "https://xceed.com/pricing"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 83}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 4784, "days_push": 8, "days_rel": 113, "gap_med": 26.5, "n_releases_24m": 21}, "score": 94, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}