Initial commit

error_test.go

@@ -0,0 +1,47 @@
+package jsrest_test
+
+import (
+	"errors"
+	"net/http"
+	"testing"
+
+	"github.com/gopatchy/jsrest"
+	"github.com/stretchr/testify/require"
+)
+
+func TestFromError(t *testing.T) {
+	t.Parallel()
+
+	e1 := errors.New("error 1") //nolint:goerr113
+	e2 := jsrest.Errorf(jsrest.ErrBadGateway, "error 2: %w", e1)
+
+	require.ErrorIs(t, e2, e1)
+	require.ErrorIs(t, e2, jsrest.ErrBadGateway)
+
+	je := jsrest.ToJSONError(e2)
+
+	require.Equal(t, http.StatusBadGateway, je.Code)
+	require.Contains(t, je.Messages, "error 1")
+	require.Contains(t, je.Messages, "error 2: error 1")
+	require.Contains(t, je.Messages, "[502] Bad Gateway")
+}
+
+func TestFromErrors(t *testing.T) {
+	t.Parallel()
+
+	e1 := jsrest.Errorf(jsrest.ErrForbidden, "error 1")
+	e2 := errors.New("error 2") //nolint:goerr113
+	e3 := jsrest.Errorf(jsrest.ErrBadGateway, "error 3: %w + %w", e1, e2)
+
+	require.ErrorIs(t, e3, e1)
+	require.ErrorIs(t, e3, e2)
+	require.ErrorIs(t, e3, jsrest.ErrForbidden)
+
+	je := jsrest.ToJSONError(e3)
+
+	require.Equal(t, http.StatusForbidden, je.Code)
+	require.Contains(t, je.Messages, "error 1")
+	require.Contains(t, je.Messages, "error 2")
+	require.Contains(t, je.Messages, "error 3: error 1 + error 2")
+	require.Contains(t, je.Messages, "[403] Forbidden")
+}