private static void assertHeaders(ActionRequest<?> request, Map<String, String> headers) {
if (headers.size() == 0) {
assertThat(request.getHeaders() == null || request.getHeaders().size() == 0, equalTo(true));
} else {
assertThat(request.getHeaders(), notNullValue());
assertThat(request.getHeaders().size(), equalTo(headers.size()));
for (String key : request.getHeaders()) {
assertThat(headers.get(key), equalTo(request.getHeader(key)));
}
}
}
