Log response body if test fails.

1 files changed, 5 insertions, 1 deletions

diff --git a/node_exporter_test.go b/node_exporter_test.go
index d1830ec..3b57949 100644
--- a/node_exporter_test.go
+++ b/node_exporter_test.go
@@ -93,11 +93,15 @@ func queryExporter(address string) error {
         if err != nil {
                 return err
         }
+        b, err := ioutil.ReadAll(resp.Body)
+        if err != nil {
+                return err
+        }
         if err := resp.Body.Close(); err != nil {
                 return err
         }
         if want, have := http.StatusOK, resp.StatusCode; want != have {
-                return fmt.Errorf("want /metrics status code %d, have %d", want, have)
+                return fmt.Errorf("want /metrics status code %d, have %d. Body:\n%s", want, have, b)
         }
         return nil
 }