fix: support ctx.request.validateUsing with ValidatorExtractor

Author: Julien-R44

src/code_scanners/routes_scanner/validator_extractor.ts

@@ -79,7 +79,11 @@ export async function extractValidators(
    * Inspect validators via "request.validateUsing" and "vine.validate"
    * method calls.
    */
-  const validationCalls = inspectMethodArguments(method, ['request.validateUsing', 'vine.validate'])
+  const validationCalls = inspectMethodArguments(method, [
+    'request.validateUsing',
+    '$CTX.request.validateUsing',
+    'vine.validate',
+  ])
     .map((node) => {
       const firstArg = node.find({
         rule: { any: [{ kind: 'identifier' }, { kind: 'member_expression' }] },

tests/code_scanners/validator_extractor.spec.ts

@@ -408,6 +408,44 @@ test.group('Validator extractor', () => {
     )
   })
 
+  test('extract validator when using ctx.request.validateUsing', async ({ assert, fs }) => {
+    await fs.create(
+      'app/controllers/users_controller.ts',
+      `
+      import { createUserValidator } from '#validators/user'
+
+      export default class UsersController {
+        async store(ctx: HttpContext) {
+          await ctx.request.validateUsing(createUserValidator)
+        }
+      }
+    `
+    )
+
+    assert.deepEqual(
+      await extractValidators(fs.basePath, new VirtualFileSystem(fs.basePath), {
+        path: join(fs.basePath, 'app/controllers/users_controller.ts'),
+        method: 'store',
+        name: 'UsersController',
+        import: {
+          type: 'default',
+          value: 'UsersController',
+          specifier: '#controllers/users_controller',
+        },
+      }),
+      [
+        {
+          import: {
+            specifier: '#validators/user',
+            type: 'named',
+            value: 'createUserValidator',
+          },
+          name: 'createUserValidator',
+        },
+      ]
+    )
+  })
+
   test('do not match method name when it appear in body of another method', async ({
     assert,
     fs,