Don't require content for 201 and 202 status codes

Fixes mvantellingen#613

Author: mvantellingen

src/zeep/wsdl/bindings/soap.py

@@ -131,7 +131,10 @@ def process_reply(self, client, operation, response):
         :type response: requests.Response
 
         """
-        if response.status_code != 200 and not response.content:
+        if response.status_code in (201, 202) and not response.content:
+            return None
+
+        elif response.status_code != 200 and not response.content:
             raise TransportError(
                 u'Server returned HTTP status %d (no content available)'
                 % response.status_code,

tests/test_wsdl_soap.py

@@ -382,3 +382,35 @@ def test_unexpected_headers():
     assert result.body.price == 120.123
     assert result.header.body is None
     assert len(result.header._raw_elements) == 1
+
+
+def test_response_201():
+    client = Client('tests/wsdl_files/soap_header.wsdl')
+    binding = client.service._binding
+
+    response = stub(
+        status_code=201,
+        content='',
+        encoding='utf-8',
+        headers={}
+    )
+
+    result = binding.process_reply(
+        client, binding.get('GetLastTradePrice'), response)
+    assert result is None
+
+
+def test_response_202():
+    client = Client('tests/wsdl_files/soap_header.wsdl')
+    binding = client.service._binding
+
+    response = stub(
+        status_code=202,
+        content='',
+        encoding='utf-8',
+        headers={}
+    )
+
+    result = binding.process_reply(
+        client, binding.get('GetLastTradePrice'), response)
+    assert result is None