refactor: resolve middleware namespace before creating middleware file

Author: TiBianMod

commands/Make/Middleware.ts

@@ -51,7 +51,7 @@ export default class MakeMiddleware extends BaseGenerator {
    * We can look into configuring it later.
    */
   protected getDestinationPath(): string {
-    return 'app/Middleware'
+    return this.getPathForNamespace('middleware') || 'app/Middleware'
   }
 
   public async run() {

test/make-middleware.spec.ts

@@ -50,4 +50,32 @@ test.group('Make Middleware', (group) => {
       toNewlineArray(MiddlewareTemplate.replace('{{ filename }}', 'SpoofAccept'))
     )
   })
+
+  test('make a middleware inside a custom directory', async ({ assert }) => {
+    await fs.add(
+      '.adonisrc.json',
+      JSON.stringify({
+        namespaces: {
+          middleware: 'App/Module/Testing/Middleware',
+        },
+        autoloads: {
+          App: './app',
+        },
+      })
+    )
+
+    const rcContents = readJSONSync(join(fs.basePath, '.adonisrc.json'))
+    const app = new Application(fs.basePath, 'test', rcContents)
+
+    const middleware = new MakeMiddleware(app, new Kernel(app).mockConsoleOutput())
+    middleware.name = 'spoof_accept'
+    await middleware.run()
+
+    const SpoofMiddleware = await fs.get('app/Module/Testing/Middleware/SpoofAccept.ts')
+    const MiddlewareTemplate = await templates.get('middleware.txt')
+    assert.deepEqual(
+      toNewlineArray(SpoofMiddleware),
+      toNewlineArray(MiddlewareTemplate.replace('{{ filename }}', 'SpoofAccept'))
+    )
+  })
 })