/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.camel.processor;

import org.apache.camel.CamelExecutionException;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Endpoint;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.support.processor.PredicateValidationException;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.*;

public class ValidateRegExpTest extends ContextTestSupport {

    protected Endpoint startEndpoint;
    protected MockEndpoint resultEndpoint;

    @Override
    @BeforeEach
    public void setUp() throws Exception {
        super.setUp();

        startEndpoint = resolveMandatoryEndpoint("direct:start", Endpoint.class);
        resultEndpoint = resolveMandatoryEndpoint("mock:result", MockEndpoint.class);
    }

    @Test
    public void testSendMatchingMessage() throws Exception {
        resultEndpoint.expectedMessageCount(1);

        template.sendBody(startEndpoint, "01.01.2010");

        assertMockEndpointsSatisfied();
    }

    @Test
    public void testSendNotMatchingMessage() throws Exception {
        resultEndpoint.expectedMessageCount(0);

        try {
            template.sendBody(startEndpoint, "1.1.2010");
            fail("CamelExecutionException expected");
        } catch (CamelExecutionException e) {
            // expected
            PredicateValidationException cause = assertIsInstanceOf(PredicateValidationException.class, e.getCause());

            // as the Expression could be different between the DSL and simple
            // language, here we just check part of the message
            assertTrue(cause.getMessage().startsWith("Validation failed for Predicate"), "Get a wrong exception message");
            assertTrue(cause.getMessage().contains("^\\d{2}\\.\\d{2}\\.\\d{4}$"));

            String body = cause.getExchange().getIn().getBody(String.class);
            assertEquals("1.1.2010", body);
        }

        assertMockEndpointsSatisfied();
    }

    @Override
    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            public void configure() {
                from("direct:start").validate(bodyAs(String.class).regex("^\\d{2}\\.\\d{2}\\.\\d{4}$")).to("mock:result");
            }
        };
    }
}
