AspectSharp/AspectSharp.Lang.Tests/ParserTestCaseBase.cs

   1 // Copyright 2004-2008 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace AspectSharp.Lang.Tests
  16 {
  17         using System;
  18         using System.IO;
  19         using System.Text;
  20
  21         using AspectSharp.Lang.AST;
  22         using AspectSharp.Lang.Steps;
  23
  24         using NUnit.Framework;
  25
  26         /// <summary>
  27         /// Summary description for ParserTestCaseBase.
  28         /// </summary>
  29         public abstract class ParserTestCaseBase
  30         {
  31                 private StringBuilder messages = new StringBuilder();
  32                 protected Context _context;
  33
  34                 [SetUp]
  35                 public void ClearBuffer()
  36                 {
  37                         messages.Length = 0;
  38                 }
  39
  40                 protected AspectParser CreateParser(String content)
  41                 {
  42                         StringReader reader = new StringReader(content);
  43                         return new AspectParser(new AspectLanguageLexer(reader));
  44                 }
  45
  46                 protected void AssertOutput(String expected)
  47                 {
  48                         Assert.AreEqual( expected, messages.ToString() );
  49                 }
  50
  51                 protected EngineConfiguration ProcessContent(string content)
  52                 {
  53                         EngineConfiguration conf = CreateParser( content ).Parse();
  54
  55                         StepChainBuilder chain = new StepChainBuilder();
  56                         AddSteps(chain);
  57
  58                         _context = new Context();
  59                         _context.Error += new ErrorDelegate(OnError);
  60
  61                         chain.Build().Process(_context, conf);
  62                         return conf;
  63                 }
  64
  65                 protected void OnError(LexicalInfo info, string message)
  66                 {
  67                         messages.Append(message);
  68                         messages.Append(';');
  69                 }
  70
  71                 protected virtual void AddSteps(StepChainBuilder chain)
  72                 {
  73                 }
  74         }
  75 }