🐛(vitest) Bind testFnExtended methods in recursive buildTest calls

github-actions[bot] · dubzzz · github-actions[bot] · commit b809fdea9f20 · 2026-03-31T22:26:42.000Z
Co-authored-by: Nicolas DUBIEN &lt;dubzzz@users.noreply.github.com&gt;
diff --git a/packages/vitest/src/internals/TestBuilder.ts b/packages/vitest/src/internals/TestBuilder.ts
@@ -145,7 +145,7 @@ export function buildTest<T extends (...args: any[]) => any>(
       atLeastOneExtra = true;
       extraKeys[key] =
         key !== 'each'
-          ? buildTest(((testFn as any)[key] as (...args: unknown[]) => unknown).bind(testFn), testFnExtended[key] as any, fc, new Set([...ancestors, key]))
+          ? buildTest(((testFn as any)[key] as (...args: unknown[]) => unknown).bind(testFn), (testFnExtended[key] as (...args: unknown[]) => unknown).bind(testFnExtended) as any, fc, new Set([...ancestors, key]))
           : ((testFn as any)[key] as (...args: unknown[]) => unknown).bind(testFn);
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -145,7 +145,7 @@ export function buildTest<T extends (...args: any[]) => any>(`
`145`	`145`	`atLeastOneExtra = true;`
`146`	`146`	`extraKeys[key] =`
`147`	`147`	`key !== 'each'`
`148`		`- ? buildTest(((testFn as any)[key] as (...args: unknown[]) => unknown).bind(testFn), testFnExtended[key] as any, fc, new Set([...ancestors, key]))`
	`148`	`+ ? buildTest(((testFn as any)[key] as (...args: unknown[]) => unknown).bind(testFn), (testFnExtended[key] as (...args: unknown[]) => unknown).bind(testFnExtended) as any, fc, new Set([...ancestors, key]))`
`149`	`149`	`: ((testFn as any)[key] as (...args: unknown[]) => unknown).bind(testFn);`
`150`	`150`	`}`
`151`	`151`	`}`