Change to @liutec's test

Author: Zhen

neo4j/bolt/connection.py

@@ -170,11 +170,7 @@ def __init__(self, address, sock, error_handler, **config):
         self.socket = sock
         self.error_handler = error_handler
         self.server = ServerInfo(SocketAddress.from_socket(sock))
-        input_buffer_size = config.get("default_read_buffer_size")
-        if input_buffer_size:
-            self.input_buffer = ChunkedInputBuffer(capacity=input_buffer_size)
-        else:
-            self.input_buffer = ChunkedInputBuffer()
+        self.input_buffer = ChunkedInputBuffer()
         self.output_buffer = ChunkedOutputBuffer()
         self.packer = Packer(self.output_buffer)
         self.unpacker = Unpacker()

test/integration/test_session.py

@@ -459,10 +459,11 @@ def test_errors_on_begin_transaction(self):
             session.begin_transaction()
 
     def test_large_values(self):
-        driver = GraphDatabase.driver(self.bolt_uri, auth=self.auth_token, default_read_buffer_size=16)
-        session = driver.session()
-        session.run("RETURN '{}'".format("A" * 251172))
-        session.close()
+        driver = GraphDatabase.driver(self.bolt_uri, auth=self.auth_token)
+        for i in range(1, 7):
+            session = driver.session()
+            session.run("RETURN '{}'".format("A" * 2 ** 20))
+            session.close()
         driver.close()
 
 class TransactionCommittedTestCase(DirectIntegrationTestCase):