upload_test.go

func createMultipartFormData(t *testing.T, fieldName, fileName string) (bytes.Buffer, *multipart.Writer) {
    var b bytes.Buffer
    var err error
    w := multipart.NewWriter(&b)
    var fw io.Writer
    file := mustOpen(fileName)
    if fw, err = w.CreateFormFile(fieldName, file.Name()); err != nil {
        t.Errorf("Error creating writer: %v", err)
    }
    if _, err = io.Copy(fw, file); err != nil {
        t.Errorf("Error with io.Copy: %v", err)
    }
    w.Close()
    return b, w
}

func mustOpen(f string) *os.File {
    r, err := os.Open(f)
    if err != nil {
        pwd, _ := os.Getwd()
        fmt.Println("PWD: ", pwd)
        panic(err)
    }
    return r
}

curl -X POST
http://localhost:9091/storage/add
-H 'content-type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW'
-F owner=0xc916Cfe5c83dD4FC3c3B0Bf2ec2d4e401782875e
-F password=$PWD
-F file=@./internal/file_example_JPG_500kB.jpg