feat(unbound-method): ignore functions passed to jest.mocked (#1681)

* feat(unbound-methods): ignore functions passed to `jest.mocked` * refactor(unbound-methods): use `parseJestFnCall`
jest-community · Dec 19, 2024 · d868636 · d868636
1 parent c223c1a
commit d868636
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diff --git a/src/rules/__tests__/unbound-method.test.ts b/src/rules/__tests__/unbound-method.test.ts
@@ -61,6 +61,7 @@ const validTestCases: string[] = [
     'expect(Console.prototype.log).toHaveBeenCalledTimes(1);',
     'expect(Console.prototype.log).not.toHaveBeenCalled();',
     'expect(Console.prototype.log).toStrictEqual(somethingElse);',
+    'jest.mocked(Console.prototype.log).mockImplementation(() => {});',
   ].map(code => [ConsoleClassAndVariableCode, code].join('\n')),
   dedent`
     expect(() => {

diff --git a/src/rules/unbound-method.ts b/src/rules/unbound-method.ts
@@ -7,6 +7,7 @@ import {
   createRule,
   findTopMostCallExpression,
   getAccessorValue,
+  isIdentifier,
   parseJestFnCall,
 } from './utils';
 
@@ -84,6 +85,14 @@ export default createRule<Options, MessageIds>({
             context,
           );
 
+          if (
+            jestFnCall?.type === 'jest' &&
+            jestFnCall.members.length >= 1 &&
+            isIdentifier(jestFnCall.members[0], 'mocked')
+          ) {
+            return;
+          }
+
           if (jestFnCall?.type === 'expect') {
             const { matcher } = jestFnCall;