/*
 * 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.dubbo.samples.governance;

import org.apache.dubbo.rpc.RpcException;
import org.apache.dubbo.samples.governance.api.DemoService;

import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;


@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"classpath:/spring/dubbo-demo-consumer.xml"})
public class DemoServiceInterfaceLevelIT {
    @Autowired
    private DemoService demoService;

    @BeforeClass
    public static void setUp() throws Exception {
        ZKTools.initClient();
    }

    private static boolean init = false;

    @Before
    public void cleanAllRules() throws Exception {
        if(!init) {
            UpgradeUtil.writeForceInterfaceRule();
            checkIfNotified();
            init = true;
        }
        ZKTools.cleanup();
    }

    @Test(expected = RpcException.class)
    public void testWithoutRule() throws Exception {
        Thread.sleep(2000);
        demoService.sayHello("world", 1200);
    }

    @Test(expected = RpcException.class)
    public void testWithServiceRuleWithInsufficientTimeout() throws Exception {
        ZKTools.generateServiceLevelOverride(600);
        Thread.sleep(2000);
        demoService.sayHello("world", 800);
    }

    @Test
    public void testWithServiceRuleWithSufficientTimeout() throws Exception {
        ZKTools.generateServiceLevelOverride(6000);
        Thread.sleep(2000);
        Assert.assertTrue(demoService.sayHello("world", 1200).startsWith("Hello world"));
    }

    @Test(expected = RpcException.class)
    public void testWithAppRuleWithInsufficientTimeout() throws Exception {
        ZKTools.generateApplicationLevelOverride(600);
        Thread.sleep(2000);
        demoService.sayHello("world", 800);
    }

    @Test
    public void testWithAppRuleWithSufficientTimeout() throws Exception {
        ZKTools.generateApplicationLevelOverride(6000);
        Thread.sleep(2000);
        Assert.assertTrue(demoService.sayHello("world", 1200).startsWith("Hello world"));
    }

    private static void checkIfNotified() throws InterruptedException {
        for (int i = 0; i < 50; i++) {
            if (FrameworkStatusReporterImpl.getReport().size() == 1) {
                FrameworkStatusReporterImpl.clearReport();
                return;
            }
            Thread.sleep(100);
        }
    }
}