Fix JSONDecode error on get_records_timestamp call.

CHANGELOG.rst

@@ -4,10 +4,13 @@ CHANGELOG
 This document describes changes between each past release.
 
 
-8.1.0 (unreleased)
+8.0.1 (unreleased)
 ==================
 
-- Nothing changed yet.
+**Bug fixes**
+
+- Fix get_records_timestamp JSONDecode error while trying to decode
+  the body of a HEAD response. (#144)
 
 
 8.0.0 (2017-05-11)

kinto_http/session.py

@@ -106,9 +106,8 @@ def request(self, method, endpoint, data=None, permissions=None,
                 exception.response = resp
                 raise exception
 
-        if resp.status_code == 304:
+        if resp.status_code == 304 or method == 'head':
             body = None
         else:
             body = resp.json()
-        # XXX Add the status code.
         return body, resp.headers

kinto_http/tests/config/kinto.ini

@@ -2,9 +2,10 @@
 use = egg:kinto
 
 kinto.userid_hmac_secret = b4c96a8d91846eb4692291d88fe5a97d
-kinto.flush_endpoint_enabled = true
 kinto.paginate_by = 5
 
+kinto.includes = kinto.plugins.flush
+
 [server:main]
 use = egg:waitress#main
 host = 0.0.0.0

kinto_http/tests/functional.py

@@ -272,6 +272,16 @@ def test_records_list_retrieval(self):
         records = client.get_records()
         assert len(records) == 1
 
+    def test_records_timestamp_retrieval(self):
+        client = Client(server_url=self.server_url, auth=self.auth,
+                        bucket='mozilla', collection='payments')
+        client.create_bucket()
+        client.create_collection()
+        record = client.create_record(data={'foo': 'bar'},
+                                      permissions={'read': ['alexis']})
+        etag = client.get_records_timestamp()
+        assert str(etag) == str(record["data"]["last_modified"])
+
     def test_records_paginated_list_retrieval(self):
         client = Client(server_url=self.server_url, auth=self.auth,
                         bucket='mozilla', collection='payments')

kinto_http/tests/test_client.py

@@ -685,8 +685,7 @@ def test_collection_can_retrieve_all_records(self):
         assert list(records) == [{'id': 'foo'}, {'id': 'bar'}]
 
     def test_collection_can_retrieve_records_timestamp(self):
-        mock_response(self.session, data=[{'id': 'foo'}, {'id': 'bar'}],
-                      headers={"ETag": '"12345"'})
+        mock_response(self.session, headers={"ETag": '"12345"'})
         timestamp = self.client.get_records_timestamp()
         assert timestamp == '12345'