mcs/class/Microsoft.Build.Tasks/Test/Microsoft.Build.Tasks/WriteLinesToFileTest.cs

   1 //
   2 // WriteLinesToFileTest.cs
   3 //
   4 // Author:
   5 //   Ankit Jain (jankit@novell.com)
   6 //
   7 // Copyright 2010 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27
  28 using System;
  29 using System.Collections;
  30 using System.IO;
  31 using Microsoft.Build.BuildEngine;
  32 using Microsoft.Build.Framework;
  33 using Microsoft.Build.Tasks;
  34 using Microsoft.Build.Utilities;
  35 using NUnit.Framework;
  36 using System.Text;
  37
  38 namespace MonoTests.Microsoft.Build.Tasks {
  39
  40         [TestFixture]
  41         public class WriteLinesToFileTest
  42         {
  43                 string full_path, full_filepath;
  44
  45                 [SetUp]
  46                 public void Setup ()
  47                 {
  48                         full_path = Path.GetFullPath (Path.Combine ("Test", "resources"));
  49                         full_filepath = Path.Combine (full_path, "foo.txt");
  50                         File.Delete (full_filepath);
  51                 }
  52
  53                 [Test]
  54                 public void TestDefault ()
  55                 {
  56                         CreateProjectAndCheck (full_filepath, null, true, false, delegate () {
  57                                 CheckFileExists (full_filepath, true);
  58                                 CheckLines (full_filepath, null);
  59                         });
  60                 }
  61
  62                 [Test]
  63                 public void TestDefaultWithExistingFile ()
  64                 {
  65                         File.WriteAllText (full_filepath, "xyz");
  66                         CreateProjectAndCheck (full_filepath, null, true, false, delegate () {
  67                                 CheckFileExists (full_filepath, true);
  68                                 CheckLines (full_filepath, new string [] {"xyz"});
  69                         });
  70                 }
  71
  72                 [Test]
  73                 public void TestOverwriteFile ()
  74                 {
  75                         string[] lines = new string[] { "abc", "def" };
  76                         CreateProjectAndCheck (full_filepath, lines, true, true, delegate () {
  77                                 CheckFileExists (full_filepath, true);
  78                                 CheckLines (full_filepath, lines);
  79                         });
  80                 }
  81
  82                 [Test]
  83                 public void TestOverwriteFileWithExistingFile ()
  84                 {
  85                         File.WriteAllText (full_filepath, "xyz");
  86                         string[] lines = new string[] { "abc", "def" };
  87                         CreateProjectAndCheck (full_filepath, lines, true, true, delegate () {
  88                                 CheckFileExists (full_filepath, true);
  89                                 CheckLines (full_filepath, lines);
  90                         });
  91                 }
  92
  93                 [Test]
  94                 public void TestNoOverwrite ()
  95                 {
  96                         string[] lines = new string[] { "abc", "def" };
  97                         CreateProjectAndCheck (full_filepath, lines, false, true, delegate () {
  98                                 CheckFileExists (full_filepath, true);
  99                                 CheckLines (full_filepath, new string [] {"abc", "def"});
 100                         });
 101                 }
 102
 103                 [Test]
 104                 // appends in this case
 105                 public void TestNoOverwriteWithExistingFile ()
 106                 {
 107                         File.WriteAllText (full_filepath, "xyz");
 108                         string[] lines = new string[] { "abc", "def" };
 109                         CreateProjectAndCheck (full_filepath, lines, false, true, delegate () {
 110                                 CheckFileExists (full_filepath, true);
 111                                 CheckLines (full_filepath, new string [] {"xyzabc", "def"});
 112                         });
 113                 }
 114
 115                 [Test]
 116                 public void TestEmptyLinesOverwrite ()
 117                 {
 118                         CreateProjectAndCheck (full_filepath, new string[0], true, true,
 119                                 delegate () {
 120                                         CheckFileExists (full_filepath, false);
 121                                 });
 122                 }
 123
 124                 [Test]
 125                 public void TestEmptyLinesOverwriteWithExisting ()
 126                 {
 127                         File.WriteAllText (full_filepath, "xyz");
 128                         CreateProjectAndCheck (full_filepath, new string[0], true, true,
 129                                 delegate () {
 130                                         CheckFileExists (full_filepath, false);
 131                                 });
 132                 }
 133
 134
 135                 [Test]
 136                 public void TestEmptyLinesNoOverwrite ()
 137                 {
 138                         CreateProjectAndCheck (full_filepath, new string[0], false, true,
 139                                 delegate () {
 140                                         CheckFileExists (full_filepath, true);
 141                                         CheckLines (full_filepath, new string[0]);
 142                                 });
 143                 }
 144
 145                 [Test]
 146                 public void TestEmptyLinesNoOverwriteWithExisting ()
 147                 {
 148                         File.WriteAllText (full_filepath, "xyz");
 149                         CreateProjectAndCheck (full_filepath, new string[0], false, true,
 150                                 delegate () {
 151                                         CheckFileExists (full_filepath, true);
 152                                         CheckLines (full_filepath, new string [] {"xyz"});
 153                                 });
 154                 }
 155
 156                 void CreateProjectAndCheck (string file, string[] lines, bool overwrite, bool use_overwrite, Action action)
 157                 {
 158                         Engine engine;
 159                         Project project;
 160
 161                         StringBuilder sb = new StringBuilder ();
 162                         sb.Append (@"<Project xmlns=""http://schemas.microsoft.com/developer/msbuild/2003"" " + Consts.ToolsVersionString + @">
 163         <ItemGroup>
 164 ");
 165
 166                         if (lines != null)
 167                                 foreach (string line in lines)
 168                                         sb.AppendFormat ("\t\t<Lines Include='{0}'/>\n", line);
 169
 170                         sb.AppendFormat (@"</ItemGroup>
 171                                         <Target Name='1'>
 172                                                 <WriteLinesToFile File='{0}' Lines='@(Lines)'", file);
 173
 174                         if (use_overwrite)
 175                                 sb.AppendFormat (" Overwrite='{0}' ", overwrite);
 176                         sb.Append (@"/>
 177                                         </Target>
 178                                 </Project>");
 179
 180                         engine = new Engine (Consts.BinPath);
 181                         project = engine.CreateNewProject ();
 182
 183                         TestMessageLogger logger = new TestMessageLogger ();
 184                         engine.RegisterLogger (logger);
 185
 186                         project.LoadXml (sb.ToString ());
 187
 188                         try {
 189                                 if (!project.Build ("1"))
 190                                         Assert.Fail ("Build failed");
 191
 192                                 if (action != null)
 193                                         action.Invoke ();
 194                         } catch (AssertionException) {
 195                                 logger.DumpMessages ();
 196                                 Console.WriteLine (sb.ToString ());
 197                                 throw;
 198                         } finally {
 199                                 File.Delete (file);
 200                         }
 201                 }
 202
 203                 static void CheckFileExists (string file, bool should_exist)
 204                 {
 205                         Assert.AreEqual (should_exist, File.Exists (file), "File existence");
 206                 }
 207
 208                 static void CheckLines (string full_filepath, string[] expected)
 209                 {
 210                         string[] actual = File.ReadAllLines (full_filepath);
 211                         Assert.AreEqual (expected != null ? expected.Length : 0, actual.Length, "Number of lines written don't match");
 212
 213                         if (expected != null)
 214                                 return;
 215                         int i = 0;
 216                         foreach (string line in actual)
 217                                 Assert.AreEqual (expected[i++], line, "Z#" + i.ToString ());
 218                 }
 219         }
 220 }