Mark parent directory as viewed when all files are viewed (#33958)

Fix #25644 

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

1 files changed, 47 insertions, 0 deletions

diff --git a/web_src/js/modules/diff-file.test.ts b/web_src/js/modules/diff-file.test.ts
new file mode 100644
index 0000000000..1f956a7d86
--- /dev/null
+++ b/web_src/js/modules/diff-file.test.ts
@@ -0,0 +1,47 @@
+import {diffTreeStoreSetViewed, reactiveDiffTreeStore} from './diff-file.ts';
+
+test('diff-tree', () => {
+  const store = reactiveDiffTreeStore({
+    'TreeRoot': {
+      'FullName': '',
+      'DisplayName': '',
+      'EntryMode': '',
+      'IsViewed': false,
+      'NameHash': '....',
+      'DiffStatus': '',
+      'Children': [
+        {
+          'FullName': 'dir1',
+          'DisplayName': 'dir1',
+          'EntryMode': 'tree',
+          'IsViewed': false,
+          'NameHash': '....',
+          'DiffStatus': '',
+          'Children': [
+            {
+              'FullName': 'dir1/test.txt',
+              'DisplayName': 'test.txt',
+              'DiffStatus': 'added',
+              'NameHash': '....',
+              'EntryMode': '',
+              'IsViewed': false,
+              'Children': null,
+            },
+          ],
+        },
+        {
+          'FullName': 'other.txt',
+          'DisplayName': 'other.txt',
+          'NameHash': '........',
+          'DiffStatus': 'added',
+          'EntryMode': '',
+          'IsViewed': false,
+          'Children': null,
+        },
+      ],
+    },
+  });
+  diffTreeStoreSetViewed(store, 'dir1/test.txt', true);
+  expect(store.fullNameMap['dir1/test.txt'].IsViewed).toBe(true);
+  expect(store.fullNameMap['dir1'].IsViewed).toBe(true);
+});