fix lint_recipe_dir_inside_example_dir

conda_smithy/linters_meta_yaml.py

@@ -920,7 +920,7 @@ def lint_recipe_dir_inside_example_dir(
     """
     recipe_dir = extras.recipe_dir
 
-    if recipe_dir and "recipes/example/" in str(recipe_dir):
+    if recipe_dir and "recipes/example/" in str(recipe_dir) + "/":
         return LintsHints.lint(
             "Please move the recipe out of the example dir and "
             "into its own dir."

conda_smithy/linting_utils.py

@@ -50,6 +50,11 @@ def __add__(self, other: Any) -> LintsHints:
             hints=self.hints + other.hints,
         )
 
+    def __eq__(self, other: Any) -> bool:
+        if not isinstance(other, LintsHints):
+            return NotImplemented
+        return self.lints == other.lints and self.hints == other.hints
+
     def append_lint(self, lint: str) -> None:
         if lint in self.lints:
             return

tests/test_linters_meta_yaml.py

@@ -1,10 +1,33 @@
 import inspect
+import unittest
+from pathlib import Path
 from typing import Set, Callable
 
 from conda_smithy import linters_meta_yaml
+from conda_smithy.linters_meta_yaml import MetaYamlLintExtras
 from conda_smithy.linting_utils import LintsHints
 
 
+class TestLintersMetaYaml(unittest.TestCase):
+    def test_lint_recipe_dir_inside_example_dir_no_recipe_dir(self):
+        results = linters_meta_yaml.lint_recipe_dir_inside_example_dir(
+            {}, MetaYamlLintExtras(is_conda_forge=True)
+        )
+
+        self.assertEqual(results, LintsHints())
+
+    def test_lint_recipe_dir_inside_example_dir(self):
+        recipe_dir = Path("recipes") / "example"
+
+        results = linters_meta_yaml.lint_recipe_dir_inside_example_dir(
+            {}, MetaYamlLintExtras(recipe_dir, is_conda_forge=True)
+        )
+
+        message = "Please move the recipe out of the example dir and into its own dir."
+
+        self.assertIn(message, results.lints)
+
+
 def test_complete_linter_list():
     module_linters: Set[Callable[..., LintsHints]] = set()