/*
 * 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.
 */

using System.IO;
using System.Threading;
using Xunit;

namespace Apache.Geode.Client.IntegrationTests
{

    [Trait("Category", "Integration")]
    public class CacheXmlTests : TestBase
    {
        [Fact]
        public void ConstructAndGenerate()
        {
            using (var gfsh = new GfshExecute())
            {
                try
                {
                    string testDir = CreateTestCaseDirectoryName();
                    CleanTestCaseDirectory(testDir);

                    Assert.Equal(gfsh.start()
                        .locator()
                        .withDir(testDir)
                        .withHttpServicePort(0)
                        .execute(), 0);
                    var template = new FileInfo("cache.xml");
                    var cacheXml = new CacheXml(template, gfsh.LocatorPort);
                    Assert.NotNull(cacheXml.File);
                    Assert.True(cacheXml.File.Exists);

                    using (var input = cacheXml.File.OpenText())
                    {
                        var content = input.ReadToEnd();
                        Assert.True(content.Contains(gfsh.LocatorPort.ToString()));
                    }
                }
                finally
                {
                    Assert.Equal(gfsh.shutdown()
                        .withIncludeLocators(true)
                        .execute(), 0);
                }
            }
        }

        [Fact]
        public void DisposeAndCleanup()
        {
            using (var gfsh = new GfshExecute())
            {
                try
                {
                    var testDir = CreateTestCaseDirectoryName();
                    CleanTestCaseDirectory(testDir);

                    Assert.Equal(gfsh.start()
                        .locator()
                        .withDir(testDir)
                        .withHttpServicePort(0)
                        .execute(), 0);
                    FileInfo file;

                    var template = new FileInfo("cache.xml");
                    using (var cacheXml = new CacheXml(template, gfsh.LocatorPort))
                    {
                        Assert.NotNull(cacheXml.File);
                        file = cacheXml.File;
                        Assert.True(file.Exists);
                    }

                    file.Refresh();

                    // File deletion via File.Delete (inside the file.Refresh() call)
                    // is not synchronous so we need to potentially wait until the file 
                    // has been deleted here
                    Assert.True(SpinWait.SpinUntil(() => !file.Exists, 10000));
                }
                finally
                {
                    Assert.Equal(gfsh.shutdown()
                        .withIncludeLocators(true)
                        .execute(), 0);
                }
            }
        }
    }
}