/*
 * 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.meecrowave.proxy.servlet.service;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

import java.util.Optional;

import org.apache.meecrowave.proxy.servlet.configuration.Routes;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestName;

public class ConfigurationLoaderTest {
    @Rule
    public final TestName testName = new TestName();

    @Test
    public void mergeWithDefaultRoute() {
        doLoad().map(routes -> {
            final Routes.Route route = routes.routes.iterator().next();
            assertEquals(route.clientConfiguration.executor.core.intValue(), 1);
            assertEquals(route.clientConfiguration.timeouts.read.longValue(), 6789);
            assertEquals(route.clientConfiguration.timeouts.connect.longValue(), 1235);
            return routes;
        }).orElseThrow(AssertionError::new);
    }

    @Test
    public void ensureDefaults() {
        doLoad().map(routes -> {
            final Routes.Route route = routes.routes.iterator().next();
            assertEquals(route.clientConfiguration.executor.core.intValue(), 2 * Runtime.getRuntime().availableProcessors());
            assertEquals(route.clientConfiguration.timeouts.read.longValue(), 30000);
            assertEquals(route.clientConfiguration.timeouts.connect.longValue(), 30000);
            return routes;
        }).orElseThrow(AssertionError::new);
    }

    private Optional<Routes> doLoad() {
        return new ConfigurationLoader(getClass().getSimpleName() + '/' + testName.getMethodName() + ".json") {
            @Override
            protected void log(final String message) {
                // no-op
            }
        }.load();
    }
}
