fix: show post and comment actions only to the verified author

tests/page-comments.test.js

@@ -21,13 +21,13 @@ function element() {
   };
 }
 
-async function detailPage({ comments = [], cachedComments = [], createResponse = {}, patchResponse = {}, authRefresh = false } = {}) {
+async function detailPage({ comments = [], cachedComments = [], createResponse = {}, patchResponse = {}, authRefresh = false, user = USER, postOwner = USER.requesterId } = {}) {
   const elements = new Map([
     '#detail', '[data-detail-category]', '[data-detail-title]', '[data-detail-status]',
     '[data-detail-date]', '[data-detail-author]', '[data-detail-company]',
     '[data-detail-department]', '[data-detail-content]', '[data-detail-secret]',
     '#comments', '#commentCount', '#commentForm', '#commentContent',
-    '#commentError', '#commentSubmit', '[data-comment-edit-input]'
+    '#commentError', '#commentSubmit', '[data-comment-edit-input]', '#editButton', '#deleteButton'
   ].map((selector) => [selector, element()]));
   const storage = new Map([[COMMENTS_KEY, JSON.stringify({ [POST]: cachedComments })]]);
   const requests = [];
@@ -45,7 +45,7 @@ async function detailPage({ comments = [], cachedComments = [], createResponse =
       else if (method === 'PATCH') body = patchResponse;
       else if (method === 'DELETE') body = { ok: true };
       else if (path.endsWith('/comments')) body = { comments };
-      else body = { id: POST, title: '문의 제목', contents: '문의 내용', requester_id: USER.requesterId };
+      else body = { id: POST, title: '문의 제목', contents: '문의 내용', requester_id: postOwner, requester_name: USER.name };
       return new Response(JSON.stringify(body));
     }
   });
@@ -54,7 +54,7 @@ async function detailPage({ comments = [], cachedComments = [], createResponse =
       resolvedAuthUser = user;
       if (refresh) authReady = Promise.resolve(user);
     } }; })();`), context);
-  context.testPage.setUser(USER, authRefresh);
+  context.testPage.setUser(user, authRefresh);
   await context.testPage.initDetail();
   await new Promise((resolve) => setImmediate(resolve));
   return {
@@ -141,3 +141,33 @@ test('a cached comment without an ID remains read-only when loading the page', a
   assert.doesNotMatch(page.html(), /data-comment-edit|data-comment-delete|data-comment-save/);
   assert.equal(page.requests.some((request) => ['PATCH', 'DELETE'].includes(request.method)), false);
 });
+
+test('another author post hides both post buttons while the viewer own comment keeps its actions', async () => {
+  const page = await detailPage({ postOwner: 'another-user', comments: [comment(), comment({ id: SECOND, author_id: 'another-user' })] });
+  assert.equal(page.elements.get('#editButton').hidden, true);
+  assert.equal(page.elements.get('#deleteButton').hidden, true);
+  assert.match(page.html(), new RegExp('data-comment-edit="' + FIRST + '"'));
+  assert.doesNotMatch(page.html(), new RegExp('data-comment-(edit|delete)="' + SECOND + '"'));
+});
+
+test('a matching display name never shows post or comment buttons when author IDs are missing', async () => {
+  const page = await detailPage({ postOwner: '', comments: [comment({ author_id: '' })] });
+  assert.equal(page.elements.get('#editButton').hidden, true);
+  assert.equal(page.elements.get('#deleteButton').hidden, true);
+  assert.doesNotMatch(page.html(), /data-comment-edit|data-comment-delete/);
+});
+
+test('post and comment actions follow only the current primary identity and disappear without a session', async () => {
+  const page = await detailPage({
+    user: { ...USER, ssoSubject: 'stale-owner', userUuid: 'stale-owner' },
+    comments: [comment(), comment({ id: SECOND, author_id: 'stale-owner' })]
+  });
+  assert.equal(page.elements.get('#editButton').hidden, false);
+  assert.equal(page.elements.get('#deleteButton').hidden, false);
+  assert.match(page.html(), new RegExp('data-comment-edit="' + FIRST + '"'));
+  assert.doesNotMatch(page.html(), new RegExp('data-comment-(edit|delete)="' + SECOND + '"'));
+  const anonymous = await detailPage({ user: null, authRefresh: true, comments: [comment()] });
+  assert.equal(anonymous.elements.get('#editButton').hidden, true);
+  assert.equal(anonymous.elements.get('#deleteButton').hidden, true);
+  assert.doesNotMatch(anonymous.html(), /data-comment-edit|data-comment-delete/);
+});