From bbcddf7e7982da73f79c2db4be6b337f43c224f8 Mon Sep 17 00:00:00 2001
From: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
Date: Tue, 11 Mar 2025 11:30:43 -0400
Subject: [PATCH] [`pylint`] Stabilize `len-test` (`PLC1802`) (#16626)

Summary
--

Stabilizes PLC1802. The tests were already in the right place, and I
just tidied the docs a little bit.

Test Plan
--

1 issue closed 4 days after the rule was added, no other issues
---
 crates/ruff_linter/src/codes.rs                       | 2 +-
 crates/ruff_linter/src/rules/pylint/rules/len_test.rs | 5 ++---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/crates/ruff_linter/src/codes.rs b/crates/ruff_linter/src/codes.rs
index 6a5fede515..b3156f0f0d 100644
--- a/crates/ruff_linter/src/codes.rs
+++ b/crates/ruff_linter/src/codes.rs
@@ -192,7 +192,7 @@ pub fn code_to_rule(linter: Linter, code: &str) -> Option<(RuleGroup, Rule)> {
         (Pylint, "C0208") => (RuleGroup::Stable, rules::pylint::rules::IterationOverSet),
         (Pylint, "C0414") => (RuleGroup::Stable, rules::pylint::rules::UselessImportAlias),
         (Pylint, "C0415") => (RuleGroup::Preview, rules::pylint::rules::ImportOutsideTopLevel),
-        (Pylint, "C1802") => (RuleGroup::Preview, rules::pylint::rules::LenTest),
+        (Pylint, "C1802") => (RuleGroup::Stable, rules::pylint::rules::LenTest),
         (Pylint, "C1901") => (RuleGroup::Preview, rules::pylint::rules::CompareToEmptyString),
         (Pylint, "C2401") => (RuleGroup::Stable, rules::pylint::rules::NonAsciiName),
         (Pylint, "C2403") => (RuleGroup::Stable, rules::pylint::rules::NonAsciiImportName),
diff --git a/crates/ruff_linter/src/rules/pylint/rules/len_test.rs b/crates/ruff_linter/src/rules/pylint/rules/len_test.rs
index 7ff9e48043..28b531eef2 100644
--- a/crates/ruff_linter/src/rules/pylint/rules/len_test.rs
+++ b/crates/ruff_linter/src/rules/pylint/rules/len_test.rs
@@ -9,12 +9,11 @@ use ruff_python_semantic::{BindingId, SemanticModel};
 use ruff_text_size::Ranged;
 
 /// ## What it does
-/// Checks for usage of call of 'len' on sequences
-/// in boolean test context.
+/// Checks for `len` calls on sequences in a boolean test context.
 ///
 /// ## Why is this bad?
 /// Empty sequences are considered false in a boolean context.
-/// You can either remove the call to 'len'
+/// You can either remove the call to `len`
 /// or compare the length against a scalar.
 ///
 /// ## Example