pp := minio.NewPostPolicy()
	pp.SetBucket("testbucket")
	pp.SetContentType("image/jpeg")
	pp.SetUserMetadata("uuid", "14365123651274")
	pp.SetKeyStartsWith("user/user1/filename")
	pp.SetContentLengthRange(1048579, 10485760)
	pp.SetSuccessStatusAction("201")

	type testCase struct {
		Bucket              string
		Key                 string
		XAmzDate            string
		XAmzAlgorithm       string