retry: add test

store/retry/retry_test.go

@@ -0,0 +1,78 @@
+package retry_test
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/acoshift/session"
+	"github.com/acoshift/session/store/retry"
+	"github.com/stretchr/testify/assert"
+)
+
+type mockStore struct {
+	attempt int
+}
+
+func (s *mockStore) Get(key string, opt session.StoreOption) (session.Data, error) {
+	s.attempt++
+	if s.attempt == 3 {
+		return nil, nil
+	}
+	return nil, fmt.Errorf("error")
+}
+
+func (s *mockStore) Set(key string, value session.Data, opt session.StoreOption) error {
+	s.attempt++
+	if s.attempt == 3 {
+		return nil
+	}
+	return fmt.Errorf("error")
+}
+
+func (s *mockStore) Del(key string, opt session.StoreOption) error {
+	s.attempt++
+	if s.attempt == 3 {
+		return nil
+	}
+	return fmt.Errorf("error")
+}
+
+func TestRetrySuccess(t *testing.T) {
+	t.Run("Get", func(t *testing.T) {
+		s := retry.New(&mockStore{}, 0)
+		_, err := s.Get("", session.StoreOption{})
+		assert.NoError(t, err)
+	})
+
+	t.Run("Set", func(t *testing.T) {
+		s := retry.New(&mockStore{}, 0)
+		err := s.Set("", session.Data{}, session.StoreOption{})
+		assert.NoError(t, err)
+	})
+
+	t.Run("Del", func(t *testing.T) {
+		s := retry.New(&mockStore{}, 0)
+		err := s.Del("", session.StoreOption{})
+		assert.NoError(t, err)
+	})
+}
+
+func TestRetryFail(t *testing.T) {
+	t.Run("Get", func(t *testing.T) {
+		s := retry.New(&mockStore{}, 1)
+		_, err := s.Get("", session.StoreOption{})
+		assert.Error(t, err)
+	})
+
+	t.Run("Set", func(t *testing.T) {
+		s := retry.New(&mockStore{}, 1)
+		err := s.Set("", session.Data{}, session.StoreOption{})
+		assert.Error(t, err)
+	})
+
+	t.Run("Del", func(t *testing.T) {
+		s := retry.New(&mockStore{}, 1)
+		err := s.Del("", session.StoreOption{})
+		assert.Error(t, err)
+	})
+}