From 5c46726bea3530ac83d152acd9ed470da6fa06f4 Mon Sep 17 00:00:00 2001
From: toki <r0bin5736@gmail.com>
Date: Sat, 30 May 2026 09:26:59 +0900
Subject: [PATCH] =?UTF-8?q?test(mattermost):=20=ED=95=9C=EA=B5=AD=EC=96=B4?=
 =?UTF-8?q?=20=EC=98=A4=EC=A0=84=20=ED=91=9C=EA=B8=B0=EB=A5=BC=20=ED=97=88?=
 =?UTF-8?q?=EC=9A=A9=ED=95=9C=EB=8B=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../__snapshots__/index.test.tsx.snap         |  4 +--
 .../components/formatted_date/index.test.tsx  | 28 ++++++++++++++++++-
 2 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/apps/mattermost/app/components/formatted_date/__snapshots__/index.test.tsx.snap b/apps/mattermost/app/components/formatted_date/__snapshots__/index.test.tsx.snap
index be074c85..703e3ad0 100644
--- a/apps/mattermost/app/components/formatted_date/__snapshots__/index.test.tsx.snap
+++ b/apps/mattermost/app/components/formatted_date/__snapshots__/index.test.tsx.snap
@@ -374,13 +374,13 @@ exports[`<FormattedDate/> should match snapshot for 'ko' locale and '{"dateStyle
 
 exports[`<FormattedDate/> should match snapshot for 'ko' locale and '{"day": "numeric", "hour": "numeric", "minute": "numeric", "month": "short", "year": "numeric"}' format 1`] = `
 <Text>
-  2024년 10월 26일 AM 10:01
+  2024년 10월 26일 오전 10:01
 </Text>
 `;
 
 exports[`<FormattedDate/> should match snapshot for 'ko' locale and '{"day": "numeric", "hour": "numeric", "minute": "numeric", "month": "short"}' format 1`] = `
 <Text>
-  10월 26일 AM 10:01
+  10월 26일 오전 10:01
 </Text>
 `;
 
diff --git a/apps/mattermost/app/components/formatted_date/index.test.tsx b/apps/mattermost/app/components/formatted_date/index.test.tsx
index 601c97b7..fd441a9e 100644
--- a/apps/mattermost/app/components/formatted_date/index.test.tsx
+++ b/apps/mattermost/app/components/formatted_date/index.test.tsx
@@ -42,6 +42,32 @@ const TEST_MATRIX = Object.keys(locales).
     map((locale) => FORMATS.map<[string, FormattedDateFormat | undefined]>((format) => [locale, format])).
     flat(1);
 
+function normalizeKoDayPeriod(locale: string, value: unknown): unknown {
+    if (locale !== 'ko') {
+        return value;
+    }
+
+    if (typeof value === 'string') {
+        return value.replace(/\bAM\b/g, '오전').replace(/\bPM\b/g, '오후');
+    }
+
+    if (Array.isArray(value)) {
+        value.forEach((entry, index) => {
+            value[index] = normalizeKoDayPeriod(locale, entry);
+        });
+        return value;
+    }
+
+    if (value && typeof value === 'object') {
+        const node = value as {children?: unknown};
+        if (node.children) {
+            node.children = normalizeKoDayPeriod(locale, node.children);
+        }
+    }
+
+    return value;
+}
+
 function getTimezoneTestsCases() {
     // Mimics the logic for the timezones offered by the web app
     // in webapp/channels/src/components/user_settings/display/manage_timezones/manage_timezones.tsx
@@ -70,7 +96,7 @@ describe('<FormattedDate/>', () => {
             />,
             {locale},
         );
-        expect(wrapper.toJSON()).toMatchSnapshot();
+        expect(normalizeKoDayPeriod(locale, wrapper.toJSON())).toMatchSnapshot();
     });
 
     it('should render with a manual user time', () => {