fix: getBucketVersions result has no prefixes (#799)

Author: weiyie

lib/common/object/getBucketVersions.js

@@ -1,6 +1,7 @@
 /* eslint-disable no-use-before-define */
 const proto = exports;
 const isObject = require('../utils/isObject');
+const isArray = require('../utils/isArray');
 
 
 proto.getBucketVersions = getBucketVersions;
@@ -47,7 +48,7 @@ async function getBucketVersions(query = {}, options = {}) {
     }));
   }
   if (deleteMarker) {
-    if (!Array.isArray(deleteMarker)) {
+    if (!isArray(deleteMarker)) {
       deleteMarker = [deleteMarker];
     }
     deleteMarker = deleteMarker.map(obj => ({
@@ -60,10 +61,18 @@ async function getBucketVersions(query = {}, options = {}) {
       }
     }));
   }
+  let prefixes = result.data.CommonPrefixes || null;
+  if (prefixes) {
+    if (!isArray(prefixes)) {
+      prefixes = [prefixes];
+    }
+    prefixes = prefixes.map(item => item.Prefix);
+  }
   return {
     res: result.res,
     objects,
     deleteMarker,
+    prefixes,
     nextMarker: result.data.NextMarker || null,
     NextVersionIdMarker: result.data.NextVersionIdMarker || null,
     isTruncated: result.data.IsTruncated === 'true'

test/node/multiversion.test.js

@@ -89,6 +89,18 @@ describe('test/multiversion.test.js', () => {
         assert(false, err.message);
       }
     });
+    it('should getBucketVersions with delimiter', async () => {
+      const names = ['getBucketVersions/delimiter1.js', 'getBucketVersions/delimiter2.js', 'getBucketVersions/delimiter3.js', 'others.js'];
+      await Promise.all(names.map(_name => store.put(_name, __filename)));
+      try {
+        const result = await store.getBucketVersions({
+          delimiter: '/'
+        });
+        assert(result.prefixes && result.prefixes.includes('getBucketVersions/'));
+      } catch (err) {
+        assert(false, err.message);
+      }
+    });
   });
 
   describe('putBucketLifecycle() getBucketLifecycle()', () => {