@Test
public void vaidateDataAndSignHeader() throws URISyntaxException {

	URI uri = new URI("http://127.0.0.1/cpCode123/path");
	NetStorageAction action = new NetStorageAction("du");
	NetStorageCmsSigner signer = new NetStorageCmsSigner(uri, "myNonce", "accessToken", action) {
		@Override
		protected String getAuthDataHeaderValue() {
			return "much auth value";
		}
	};
	Map<String, String> headers = signer.computeHeaders();
	String sign = headers.get(NetStorageCmsSigner.AUTH_SIGN_HEADER);
	assertEquals("w8k5LZTRNKubFvWIqUEgcTrDZhPCo48PeHX45zxSlBU=", sign);
}