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 *
 * 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;
using System.Xml;
using log4net.Config;
using log4net.Repository;
using log4net.Tests.Appender;
using NUnit.Framework;

namespace log4net.Tests.Hierarchy
{
  [TestFixture]
  public class Hierarchy
  {
    [Test]
    public void SetRepositoryPropertiesInConfigFile()
    {
      // LOG4NET-53: Allow repository properties to be set in the config file
      XmlDocument log4netConfig = new XmlDocument();
      log4netConfig.LoadXml(@"
        <log4net>
          <property>
            <key value=""two-plus-two"" />
            <value value=""4"" />
          </property>
          <appender name=""StringAppender"" type=""log4net.Tests.Appender.StringAppender, log4net.Tests"">
            <layout type=""log4net.Layout.SimpleLayout"" />
          </appender>
          <root>
            <level value=""ALL"" />
            <appender-ref ref=""StringAppender"" />
          </root>
        </log4net>");

      ILoggerRepository rep = LogManager.CreateRepository(Guid.NewGuid().ToString());
      XmlConfigurator.Configure(rep, log4netConfig["log4net"]!);

      Assert.AreEqual("4", rep.Properties["two-plus-two"]);
      Assert.IsNull(rep.Properties["one-plus-one"]);
    }

    [Test]
    public void AddingMultipleAppenders()
    {
      CountingAppender alpha = new CountingAppender();
      CountingAppender beta = new CountingAppender();

      Repository.Hierarchy.Hierarchy hierarchy =
          (Repository.Hierarchy.Hierarchy)LogManager.GetRepository();

      hierarchy.Root.AddAppender(alpha);
      hierarchy.Root.AddAppender(beta);
      hierarchy.Configured = true;

      ILog log = LogManager.GetLogger(GetType());
      log.Debug("Hello World");

      Assert.AreEqual(1, alpha.Counter);
      Assert.AreEqual(1, beta.Counter);
    }

    [Test]
    public void AddingMultipleAppenders2()
    {
      CountingAppender alpha = new CountingAppender();
      CountingAppender beta = new CountingAppender();

      BasicConfigurator.Configure(LogManager.GetRepository(), alpha, beta);

      ILog log = LogManager.GetLogger(GetType());
      log.Debug("Hello World");

      Assert.AreEqual(1, alpha.Counter);
      Assert.AreEqual(1, beta.Counter);
    }

    [Test]
    // LOG4NET-343
    public void LoggerNameCanConsistOfASingleDot()
    {
      XmlDocument log4netConfig = new XmlDocument();
      log4netConfig.LoadXml(@"
        <log4net>
          <appender name=""StringAppender"" type=""log4net.Tests.Appender.StringAppender, log4net.Tests"">
            <layout type=""log4net.Layout.SimpleLayout"" />
          </appender>
          <root>
            <level value=""ALL"" />
            <appender-ref ref=""StringAppender"" />
          </root>
          <logger name=""."">
            <level value=""WARN"" />
          </logger>
        </log4net>");

      ILoggerRepository rep = LogManager.CreateRepository(Guid.NewGuid().ToString());
      XmlConfigurator.Configure(rep, log4netConfig["log4net"]!);
    }

    [Test]
    public void LoggerNameCanConsistOfASingleNonDot()
    {
      XmlDocument log4netConfig = new XmlDocument();
      log4netConfig.LoadXml(@"
        <log4net>
          <appender name=""StringAppender"" type=""log4net.Tests.Appender.StringAppender, log4net.Tests"">
            <layout type=""log4net.Layout.SimpleLayout"" />
          </appender>
          <root>
            <level value=""ALL"" />
            <appender-ref ref=""StringAppender"" />
          </root>
          <logger name=""L"">
            <level value=""WARN"" />
          </logger>
        </log4net>");

      ILoggerRepository rep = LogManager.CreateRepository(Guid.NewGuid().ToString());
      XmlConfigurator.Configure(rep, log4netConfig["log4net"]!);
    }

    [Test]
    public void LoggerNameCanContainSequenceOfDots()
    {
      XmlDocument log4netConfig = new XmlDocument();
      log4netConfig.LoadXml(@"
        <log4net>
          <appender name=""StringAppender"" type=""log4net.Tests.Appender.StringAppender, log4net.Tests"">
            <layout type=""log4net.Layout.SimpleLayout"" />
          </appender>
          <root>
            <level value=""ALL"" />
            <appender-ref ref=""StringAppender"" />
          </root>
          <logger name=""L..M"">
            <level value=""WARN"" />
          </logger>
        </log4net>");

      ILoggerRepository rep = LogManager.CreateRepository(Guid.NewGuid().ToString());
      XmlConfigurator.Configure(rep, log4netConfig["log4net"]!);
    }

    /// <summary>
    /// https://github.com/apache/logging-log4net/issues/156
    /// Regression: Creating nested loggers in reverse order fails in 3.0.0-preview.1
    /// </summary>
    [Test]
    public void CreateNestedLoggersInReverseOrder()
    {
      XmlDocument log4netConfig = new XmlDocument();
      log4netConfig.LoadXml(@"
        <log4net>
          <appender name=""StringAppender"" type=""log4net.Tests.Appender.StringAppender, log4net.Tests"">
            <layout type=""log4net.Layout.SimpleLayout"" />
          </appender>
          <root>
            <level value=""ALL"" />
            <appender-ref ref=""StringAppender"" />
          </root>
        </log4net>");

      ILoggerRepository rep = LogManager.CreateRepository(Guid.NewGuid().ToString());
      XmlConfigurator.Configure(rep, log4netConfig["log4net"]!);
      Assert.AreEqual("A.B.C", rep.GetLogger("A.B.C").Name);
      Assert.AreEqual("A.B", rep.GetLogger("A.B").Name);
    }
  }
}
