Update docs. Add test for bucket.

bt5/erp5_wendelin/DocumentTemplateItem/portal_components/document.erp5.DataBucketStream.py

@@ -35,7 +35,8 @@ from Products.ERP5Type.BTreeData import PersistentString
 
 class DataBucketStream(Document):
   """
-  Represents data stored in many small files.
+  Represents data stored in many small files inside a "stream".
+  Each file is "addressed" by its key similar to dict.
   """
 
   meta_type = 'ERP5 Data Bucket Stream'

bt5/erp5_wendelin/DocumentTemplateItem/portal_components/document.erp5.DataBucketStream.xml

@@ -46,8 +46,8 @@
             <key> <string>text_content_warning_message</string> </key>
             <value>
               <tuple>
-                <string>W: 54, 21: Redefining built-in \'id\' (redefined-builtin)</string>
-                <string>W: 67, 18: Redefining built-in \'id\' (redefined-builtin)</string>
+                <string>W: 55, 21: Redefining built-in \'id\' (redefined-builtin)</string>
+                <string>W: 68, 18: Redefining built-in \'id\' (redefined-builtin)</string>
               </tuple>
             </value>
         </item>

bt5/erp5_wendelin/TestTemplateItem/portal_components/test.erp5.testWendelin.py

@@ -308,3 +308,36 @@ context.activate().DataStream_readChunkListAndTransform( \
            np.array_equal(data_array.getArraySlice(0,100), \
                           new_array[:100]))
 
+  def test_04_DataBucket(self):
+    """
+      Test data bucket
+    """
+    bucket_stream = self.portal.data_stream_module.newContent( \
+                                portal_type = 'Data Bucket Stream')
+    self.tic()
+    
+    self.assertEqual(0, len(bucket_stream))
+    
+    # test set and get
+    bin_string = "1"*100000
+    key = len(bucket_stream) + 1
+    bucket_stream.insertBucket(key, bin_string )
+    self.assertEqual(bin_string, bucket_stream.getBucket(key))
+    
+    # test sequence
+    self.assertEqual(1, len(bucket_stream))
+    
+    # test pop
+    bucket_stream.popBucket(key)
+    self.assertEqual(0, len(bucket_stream))
+    
+    # set many buckets
+    for i in range(100):
+      bucket_stream.insertBucket(i, i*10000)
+
+    self.assertEqual(100, len(bucket_stream))
+    self.assertEqual(range(100), bucket_stream.getKeyList())
+    
+    # test as sequence
+    bucket = bucket_stream.getBucketItemSequence(start_key=10, count=1)[0]
+    self.assertEqual(100000, bucket[1].value)
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