File: UpdateTaskTest.cs

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// NAnt - A .NET build tool
// Copyright (C) 2001-2003 Gerry Shaw
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// Clayton Harbour (claytonharbour@sporadicism.com)

using System.Globalization;
using System.IO;

using NUnit.Framework;

using NAnt.Core;
using NAnt.Core.Tasks;
using Tests.NAnt.Core;

namespace Tests.NAnt.SourceControl.Tasks {
    /// <summary>
    /// Tests that the update task performs correctly and does
    /// not return errors.
    /// </summary>
    [TestFixture]
    public class UpdateTaskTest : BuildTestBase {
        #region Private Instance Fields

        private string destination;

        private const bool TestUseSharpCvsLib = false;

        private readonly string TestModule = "sharpcvslib";
        private readonly string CheckFile = "lib/ICSharpCode.SharpZipLib.dll";

        private readonly string TestCvsRoot = 
            ":pserver:anonymous@cvs.sourceforge.net:/cvsroot/sharpcvslib";

        private readonly string _checkoutXML = @"<?xml version='1.0'?>
            <project>
                <property name='sourcecontrol.usesharpcvslib' value='{0}'/>
                <cvs-checkout   module='{1}' 
                                cvsroot='{2}'
                                destination='{3}'
                                tag='{4}'
                                usesharpcvslib='false' />
            </project>";

        /// <summary>
        /// Project to update the working directory.
        /// </summary>
        private readonly string _updateXML = @"<?xml version='1.0'?>
            <project>
                <property name='sourcecontrol.usesharpcvslib' value='{0}'/>
                <cvs-update   module='{1}' 
                                cvsroot='{2}'
                                destination='{3}'
                                tag='{4}'
                                usesharpcvslib='false' />
            </project>";

        /// <summary>
        /// Filesets are not currently implemented in sharpcvslib so we default
        /// to using the command line client for this test.
        ///
        /// CDH: 2004/03/25
        /// </summary>
        /*  private readonly string _updateFilesetsXML = @"<?xml version='1.0'?>
                    <project>
                        <property name='sourcecontrol.usesharpcvslib' value='false'/>
                        <cvs-update   module='{0}' 
                                        cvsroot='{1}'
                                        destination='{2}'
                                        password='{3}'>
                            <fileset>
                                <include name='**//**.build'/>
                            </fileset>
                        </cvs-update>
                    </project>";
        */
        private readonly string _updateOptionsXML = @"<?xml version='1.0'?>
            <project>
                <property name='sourcecontrol.usesharpcvslib' value='{0}'/>
                <cvs-update   module='{1}' 
                                cvsroot='{2}'
                                destination='{3}'
                                builddirs='{4}'
                                pruneempty='{5}'
                                overwritelocal='{6}'
                                recursive='{7}'
                                usesharpcvslib='false'>
                    <fileset>
                        <include name='{8}'/>
                    </fileset>
                </cvs-update>
            </project>";

        #endregion Private Instance Fields

        #region Override implementation of BuildTestBase

        /// <summary>
        /// Run the checkout command so we have something to update.
        /// </summary>
        [SetUp]
        protected override void SetUp () {
            base.SetUp ();
            this.destination = this.TempDirName;

            object[] args = {TestUseSharpCvsLib.ToString(), TestModule, 
                TestCvsRoot, this.destination, string.Empty, string.Empty};
            string checkoutBuild = FormatBuildFile(_checkoutXML, args);
            this.RunBuild(checkoutBuild, Level.Info);
        }

        /// <summary>
        /// Remove the directory created by the checkout/ update.
        /// </summary>
        [TearDown]
        protected override void TearDown () {
            base.TearDown();
        }

        #endregion Override implementation of BuildTestBase

        #region Public Instance Methods

        /// <summary>
        /// Test that a file deleted from the local working directory
        /// is retrieved from the cvs repository during an update.
        /// </summary>
        [Test]
        [Category("InetAccess")]
        public void Test_CvsUpdate () {
            string checkoutPath = Path.Combine(this.destination, this.TestModule);
            string checkFilePath = Path.Combine(checkoutPath, this.CheckFile);

            if (File.Exists(checkFilePath)) {
                // Delete the file.
                File.Delete(checkFilePath);
            }

            // Make sure the file does not exist before we start the test.
            Assert.IsFalse(File.Exists(checkFilePath), "The check file should not be there.");

            // Run the update to bring the file back down.
            object[] args = {TestUseSharpCvsLib.ToString(), TestModule, TestCvsRoot, checkoutPath, 
                                string.Empty};
            this.RunBuild(FormatBuildFile(_updateXML, args), 
                Level.Info);

            // Check that the file is back.
            Assert.IsTrue(File.Exists(checkFilePath),
                "File does not exist, update probably did not work.");
        }

        [Test]
        [Category("InetAccess")]
        public void TestUpdateClean () {
            string checkoutPath = Path.Combine(this.destination, this.TestModule);
            string checkFilePath = Path.Combine(checkoutPath, this.CheckFile);

            string checkContents;

            StreamReader reader = new StreamReader(File.Open(checkFilePath, FileMode.Open));
            checkContents = reader.ReadToEnd();
            reader.Close();
            reader = null;

            // Update the file with data
            FileStream writer = File.Open(checkFilePath, FileMode.Append, FileAccess.Write);
            string updateMsg = "UpdateTaskTest - overwrite local changes test.";
            byte[] updateMsgBytes = System.Text.Encoding.ASCII.GetBytes(updateMsg);
            writer.Write(updateMsgBytes, 0, updateMsgBytes.Length);
            writer.Close();
            writer = null;

            // Run the update to bring the file back down.
            bool buildDirs = false;
            bool pruneEmpty = false;
            bool overwriteLocal = true;
            bool recursive = false;
            object[] args = {TestUseSharpCvsLib.ToString(), TestModule, TestCvsRoot, checkoutPath, 
                                buildDirs, pruneEmpty, overwriteLocal, recursive, checkFilePath};
            string formattedBuildFile = FormatBuildFile(this._updateOptionsXML, args);
            this.RunBuild(formattedBuildFile, 
                Level.Info);

            // Check that the file is back.
            Assert.IsTrue(File.Exists(checkFilePath), 
                "File does not exist, update probably did not work.");

            StreamReader replacedReader = new StreamReader(File.Open(checkFilePath, FileMode.Open));
            string checkContentsReplaced = replacedReader.ReadToEnd();
            replacedReader.Close();
            replacedReader = null;
            Assert.AreEqual(checkContents, checkContentsReplaced);
        }

        #endregion Public Instance Methods

        #region Private Instance Methods

        private string FormatBuildFile(string baseFile, object[] args) {
            return string.Format(CultureInfo.InvariantCulture, baseFile, args);
        }

        #endregion Private Instance Methods
    }
}