support pagination in TestAPI

In this patch, pagination is supported, so you can go through results
leveraging: http://testresults.opnfv.org/test/api/v1/results?page=2

Change-Id: Ibe31c787643f27dbb06c4899e713b3c8e716e784
Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>

1 files changed, 5 insertions, 0 deletions

diff --git a/testapi/opnfv_testapi/common/config.py b/testapi/opnfv_testapi/common/config.py
index 46765ff..f73c0ab 100644
--- a/testapi/opnfv_testapi/common/config.py
+++ b/testapi/opnfv_testapi/common/config.py
@@ -17,6 +17,7 @@ class Config(object):
     def __init__(self):
         self.file = self.CONFIG if self.CONFIG else self._default_config()
         self._parse()
+        self._parse_per_page()
         self.static_path = os.path.join(
             os.path.dirname(os.path.normpath(__file__)),
             os.pardir,
@@ -37,6 +38,10 @@ class Config(object):
         [setattr(self, '{}_{}'.format(section, k), self._parse_value(v))
          for k, v in config.items(section)]
 
+    def _parse_per_page(self):
+        if not hasattr(self, 'api_results_per_page'):
+            self.api_results_per_page = 20
+
     @staticmethod
     def _parse_value(value):
         try: