Make ServerError implement error interface

Change-Id: Ie804197ca5b777ad6afd2c01d55a853ae8c287ee
Signed-off-by: Maciej Wereski <m.wereski@partner.samsung.com>

diff --git a/http/error.go b/http/error.go
index 4f48c85..4771f1b 100644 (file)
--- a/http/error.go
+++ b/http/error.go
@@ -94,3 +94,8 @@ func NewServerError(err error, details ...string) (ret *ServerError) {
 
        return
 }
+
+// Error is implementation of error interface (it returns error string).
+func (err *ServerError) Error() string {
+       return err.Err
+}

diff --git a/http/error_test.go b/http/error_test.go
index 9940831..4f2e19d 100644 (file)
--- a/http/error_test.go
+++ b/http/error_test.go
@@ -63,3 +63,9 @@ func TestNewServerError(t *testing.T) {
        assert.Equal(notFound, NewServerError(NotFoundError("Fern Flower")))
        assert.Nil(NewServerError(nil))
 }
+
+func TestError(t *testing.T) {
+       assert := assert.New(t)
+       err := NewServerError(errors.New("foo"))
+       assert.Equal(err.Err, err.Error())
+}