private static InvocationPolicyEnforcer createOptionsPolicyEnforcer(
InvocationPolicy.Builder invocationPolicyBuilder) throws Exception {
InvocationPolicy policyProto = invocationPolicyBuilder.build();
// An OptionsPolicyEnforcer could be constructed in the test directly from the InvocationPolicy
// proto, however Blaze will actually take the policy as another flag with a Base64 encoded
// binary proto and parse that, so exercise that code path in the test.
ByteArrayOutputStream out = new ByteArrayOutputStream();
policyProto.writeTo(out);
String policyBase64 = BaseEncoding.base64().encode(out.toByteArray());
OptionsParser startupOptionsParser =
OptionsParser.newOptionsParser(BlazeServerStartupOptions.class);
String policyOption = "--invocation_policy=" + policyBase64;
startupOptionsParser.parse(policyOption);
return InvocationPolicyEnforcer.create(startupOptionsParser);
}
