From 5caa240d9577e3acd657d65200f24875ba38af86 Mon Sep 17 00:00:00 2001
From: Rob Hogan <rob@rhogan.net>
Date: Tue, 21 Mar 2023 07:43:05 -0700
Subject: [PATCH] Add integration test for changed file in new directory (#950)

Summary:
Cherry pick the new integration test covering https://github.com/facebook/react-native/issues/36387 from https://github.com/facebook/metro/pull/949

Pull Request resolved: https://github.com/facebook/metro/pull/950

Reviewed By: huntie

Differential Revision: D44254000

Pulled By: robhogan

fbshipit-source-id: 10d202ec153b55e8ecbe282d0b907fabee0fe5b6
---
 .../watchers/__tests__/integration-test.js    | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/packages/metro-file-map/src/watchers/__tests__/integration-test.js b/packages/metro-file-map/src/watchers/__tests__/integration-test.js
index 20d1c2443e..e95bc941fc 100644
--- a/packages/metro-file-map/src/watchers/__tests__/integration-test.js
+++ b/packages/metro-file-map/src/watchers/__tests__/integration-test.js
@@ -206,6 +206,33 @@ describe.each(Object.keys(WATCHERS))(
       });
     });
 
+    maybeTest('detects changes to files in a new directory', async () => {
+      expect(
+        await eventHelpers.nextEvent(() => mkdir(join(watchRoot, 'newdir'))),
+      ).toStrictEqual({
+        path: join('newdir'),
+        eventType: 'add',
+        metadata: {
+          modifiedTime: expect.any(Number),
+          size: expect.any(Number),
+          type: 'd',
+        },
+      });
+      expect(
+        await eventHelpers.nextEvent(() =>
+          writeFile(join(watchRoot, 'newdir', 'file-in-new-dir.js'), 'code'),
+        ),
+      ).toStrictEqual({
+        path: join('newdir', 'file-in-new-dir.js'),
+        eventType: 'add',
+        metadata: {
+          modifiedTime: expect.any(Number),
+          size: expect.any(Number),
+          type: 'f',
+        },
+      });
+    });
+
     maybeTest(
       'emits deletion for all files when a directory is deleted',
       async () => {