@Test(dataProvider = "invalidUserNames")
public void testConformanceErrorIsProducedWhenUsernameContainsColon(final String username)
throws Exception {
HttpBasicAuthFilter filter =
new HttpBasicAuthFilter(
Expression.valueOf(username, String.class),
Expression.valueOf("dont-care", String.class),
failureHandler);
filter.setCacheHeader(false);
basicAuthServerAnswersUnauthorizedThenSuccess(INITIAL_CREDENTIALS);
Response response = filter.filter(newExchange(), newRequest(), terminalHandler).get();
assertThat(response.getStatus()).isEqualTo(Status.INTERNAL_SERVER_ERROR);
assertThat(response.getEntity().getString())
.contains("username must not contain a colon ':' character");
}
