Review fixes

go.sum

@@ -1,2 +1,7 @@
 golang.org/x/net v0.0.0-20220325170049-de3da57026de h1:pZB1TWnKi+o4bENlbzAgLrEbY4RMYmUIRobMcSmfeYc=
+golang.org/x/net v0.0.0-20220325170049-de3da57026de/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

retry_test.go

@@ -9,6 +9,8 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
+	"fmt"
+	"io"
 	"net/http"
 	"reflect"
 	"strconv"
@@ -735,6 +737,46 @@ func filler(*Response, error) bool {
 	return false
 }
 
+var seekFailure = fmt.Errorf("failing seek test")
+
+type failingSeeker struct {
+	reader *bytes.Reader
+}
+
+func (f failingSeeker) Read(b []byte) (n int, err error) {
+	return f.reader.Read(b)
+}
+
+func (f failingSeeker) Seek(offset int64, whence int) (int64, error) {
+	if offset == 0 && whence == io.SeekStart {
+		return 0, seekFailure
+	}
+
+	return f.reader.Seek(offset, whence)
+}
+
+func TestResetMultipartReaderSeekStartError(t *testing.T) {
+	ts := createFilePostServer(t)
+	defer ts.Close()
+
+	testSeeker := &failingSeeker{
+		bytes.NewReader([]byte("test")),
+	}
+
+	c := dc().
+		SetRetryCount(2).
+		SetTimeout(time.Second * 3).
+		SetRetryResetReaders(true).
+		AddRetryAfterErrorCondition()
+
+	resp, err := c.R().
+		SetFileReader("name", "filename", testSeeker).
+		Post(ts.URL + "/set-reset-multipart-readers-test")
+
+	assertEqual(t, 500, resp.StatusCode())
+	assertEqual(t, err.Error(), seekFailure.Error())
+}
+
 func TestResetMultipartReaders(t *testing.T) {
 	ts := createFilePostServer(t)
 	defer ts.Close()