Create a new file for BaseChecker unit tests

2 files changed, 69 insertions, 61 deletions

diff --git a/tests/checkers/unittest_base.py b/tests/checkers/unittest_base.py
index 616a0a8e7..9f0d5fd4f 100644
--- a/tests/checkers/unittest_base.py
+++ b/tests/checkers/unittest_base.py
@@ -34,7 +34,7 @@ from typing import Dict, Type
 
 import astroid
 
-from pylint.checkers import BaseChecker, base
+from pylint.checkers import base
 from pylint.testutils import CheckerTestCase, MessageTest, set_config
 
 
@@ -683,66 +683,6 @@ class TestNamePresets(unittest.TestCase):
         self._test_should_always_pass(naming_style)
 
 
-class TestBaseChecker(unittest.TestCase):
-    def test_doc(self) -> None:
-        class OtherBasicChecker(BaseChecker):
-            name = "basic"
-            msgs = {
-                "W0001": (
-                    "Basic checker has an example.",
-                    "basic-checker-example",
-                    "Used nowhere and serves no purpose.",
-                )
-            }
-
-        class LessBasicChecker(OtherBasicChecker):
-            options = (
-                (
-                    "example-args",
-                    {
-                        "default": 42,
-                        "type": "int",
-                        "metavar": "<int>",
-                        "help": "Example of integer argument for the checker.",
-                    },
-                ),
-            )
-
-        basic = OtherBasicChecker()
-        expected_beginning = """\
-Basic checker
-~~~~~~~~~~~~~
-
-Verbatim name of the checker is ``basic``.
-
-"""
-        expected_middle = """\
-Basic checker Options
-^^^^^^^^^^^^^^^^^^^^^
-:example-args:
-  Example of integer argument for the checker.
-
-  Default: ``42``
-
-"""
-        expected_end = """\
-Basic checker Messages
-^^^^^^^^^^^^^^^^^^^^^^
-:basic-checker-example (W0001): *Basic checker has an example.*
-  Used nowhere and serves no purpose.
-
-
-"""
-        self.assertEqual(str(basic), expected_beginning + expected_end)
-        self.assertEqual(repr(basic), "Checker 'basic' (responsible for 'W0001')")
-        less_basic = LessBasicChecker()
-
-        self.assertEqual(
-            str(less_basic), expected_beginning + expected_middle + expected_end
-        )
-        self.assertEqual(repr(less_basic), repr(basic))
-
-
 class TestNoSix(unittest.TestCase):
     @unittest.skip("too many dependencies need six :(")
     def test_no_six(self):
diff --git a/tests/checkers/unittest_base_checker.py b/tests/checkers/unittest_base_checker.py
new file mode 100644
index 000000000..b684d6f59
--- /dev/null
+++ b/tests/checkers/unittest_base_checker.py
@@ -0,0 +1,68 @@
+# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
+
+"""Unittest for the BaseChecker class."""
+
+import unittest
+
+from pylint.checkers import BaseChecker
+
+
+class TestBaseChecker(unittest.TestCase):
+    def test_doc(self) -> None:
+        class OtherBasicChecker(BaseChecker):
+            name = "basic"
+            msgs = {
+                "W0001": (
+                    "Basic checker has an example.",
+                    "basic-checker-example",
+                    "Used nowhere and serves no purpose.",
+                )
+            }
+
+        class LessBasicChecker(OtherBasicChecker):
+            options = (
+                (
+                    "example-args",
+                    {
+                        "default": 42,
+                        "type": "int",
+                        "metavar": "<int>",
+                        "help": "Example of integer argument for the checker.",
+                    },
+                ),
+            )
+
+        basic = OtherBasicChecker()
+        expected_beginning = """\
+Basic checker
+~~~~~~~~~~~~~
+
+Verbatim name of the checker is ``basic``.
+
+"""
+        expected_middle = """\
+Basic checker Options
+^^^^^^^^^^^^^^^^^^^^^
+:example-args:
+  Example of integer argument for the checker.
+
+  Default: ``42``
+
+"""
+        expected_end = """\
+Basic checker Messages
+^^^^^^^^^^^^^^^^^^^^^^
+:basic-checker-example (W0001): *Basic checker has an example.*
+  Used nowhere and serves no purpose.
+
+
+"""
+        self.assertEqual(str(basic), expected_beginning + expected_end)
+        self.assertEqual(repr(basic), "Checker 'basic' (responsible for 'W0001')")
+        less_basic = LessBasicChecker()
+
+        self.assertEqual(
+            str(less_basic), expected_beginning + expected_middle + expected_end
+        )
+        self.assertEqual(repr(less_basic), repr(basic))