Make ``linter`` non-optional for ``BaseChecker`` (#6188)

3 files changed, 21 insertions, 0 deletions

diff --git a/tests/message/conftest.py b/tests/message/conftest.py
index 7a9a399cf..76a18c037 100644
--- a/tests/message/conftest.py
+++ b/tests/message/conftest.py
@@ -10,6 +10,7 @@ from typing import Dict, ValuesView
 import pytest
 
 from pylint.checkers import BaseChecker
+from pylint.lint.pylinter import PyLinter
 from pylint.message import MessageDefinition, MessageDefinitionStore, MessageIdStore
 
 
@@ -33,6 +34,9 @@ def store() -> MessageDefinitionStore:
     store_ = MessageDefinitionStore()
 
     class Checker(BaseChecker):
+        def __init__(self) -> None:
+            super().__init__(PyLinter())
+
         name = "achecker"
         msgs = {
             "W1234": (
diff --git a/tests/message/unittest_message_definition.py b/tests/message/unittest_message_definition.py
index c81763ff3..2a3fd7a6a 100644
--- a/tests/message/unittest_message_definition.py
+++ b/tests/message/unittest_message_definition.py
@@ -10,6 +10,7 @@ import pytest
 from pylint.checkers import BaseChecker
 from pylint.constants import WarningScope
 from pylint.exceptions import InvalidMessageError
+from pylint.lint.pylinter import PyLinter
 from pylint.message import MessageDefinition
 
 
@@ -33,6 +34,9 @@ def test_create_invalid_message_type(msgid, expected):
 
 
 class FalseChecker(BaseChecker):
+    def __init__(self) -> None:
+        super().__init__(PyLinter())
+
     name = "FalseChecker"
     msgs = {
         "W1234": ("message one", "msg-symbol-one", "msg description"),
diff --git a/tests/message/unittest_message_definition_store.py b/tests/message/unittest_message_definition_store.py
index a7d8352c6..6a7914334 100644
--- a/tests/message/unittest_message_definition_store.py
+++ b/tests/message/unittest_message_definition_store.py
@@ -10,6 +10,7 @@ from pytest import CaptureFixture
 
 from pylint.checkers import BaseChecker
 from pylint.exceptions import InvalidMessageError, UnknownMessageError
+from pylint.lint.pylinter import PyLinter
 from pylint.message import MessageDefinition
 from pylint.message.message_definition_store import MessageDefinitionStore
 
@@ -121,6 +122,9 @@ from pylint.message.message_definition_store import MessageDefinitionStore
 )
 def test_register_error(empty_store, messages, expected):
     class Checker(BaseChecker):
+        def __init__(self) -> None:
+            super().__init__(PyLinter())
+
         name = "checker"
         msgs = messages
 
@@ -133,10 +137,16 @@ def test_register_error_new_id_duplicate_of_new(
     empty_store: MessageDefinitionStore,
 ) -> None:
     class CheckerOne(BaseChecker):
+        def __init__(self) -> None:
+            super().__init__(PyLinter())
+
         name = "checker_one"
         msgs = {"W1234": ("message one", "msg-symbol-one", "msg description.")}
 
     class CheckerTwo(BaseChecker):
+        def __init__(self) -> None:
+            super().__init__(PyLinter())
+
         name = "checker_two"
         msgs = {"W1234": ("message two", "msg-symbol-two", "another msg description.")}
 
@@ -247,6 +257,9 @@ def test_multiple_child_of_old_name(store: MessageDefinitionStore) -> None:
     """We can define multiple name with the same old name."""
 
     class FamillyChecker(BaseChecker):
+        def __init__(self) -> None:
+            super().__init__(PyLinter())
+
         name = "famillychecker"
         msgs = {
             "W1235": (