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IntegrationTests.cs
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IntegrationTests.cs
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using System;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using Rook.Compiling;
using Should;
namespace Rook.Integration
{
public class IntegrationTests
{
public void ArithmeticExpression() { Run("ArithmeticExpression"); }
public void BooleanExpression() { Run("BooleanExpression"); }
public void FunctionCall() { Run("FunctionCall"); }
public void MethodInvocation() { Run("MethodInvocation"); }
public void BlockExpression() { Run("BlockExpression"); }
public void Closure() { Run("Closure"); }
public void Recursion() { Run("Recursion"); }
public void MutualRecursion() { Run("MutualRecursion"); }
public void Enumerable() { Run("Enumerable"); }
public void Vector() { Run("Vector"); }
public void Void() { Run("Void"); }
public void Nullable() { Run("Nullable"); }
public void String() { Run("String"); }
public void Classes() { Run("Classes"); }
public void IndexerOverloading() { Run("IndexerOverloading"); }
#region Integration Test Runner
private const string SampleFolder = "Samples";
private static void Run(string testName)
{
ActualOutput(testName).ShouldEqual(ExpectedOutput(testName));
}
private static string ExpectedOutput(string testName)
{
return File.ReadAllText(Path.Combine(SampleFolder, testName + ".rook.out"));
}
private static string ActualOutput(string testName)
{
return Execute(Build(RookCode(testName))).ToString();
}
private static string RookCode(string testName)
{
return File.ReadAllText(Path.Combine(SampleFolder, testName + ".rook"));
}
private static Assembly Build(string rookCode)
{
var result = new RookCompiler(CompilerParameters.ForBasicEvaluation()).Build(rookCode);
if (result.Errors.Any())
Fail.WithErrors(result.Errors);
return result.CompiledAssembly;
}
private static object Execute(Assembly assembly)
{
var stringBuilder = new StringBuilder();
using (TextWriter writer = new StringWriter(stringBuilder))
using (new VirtualConsole(writer))
{
var result = assembly.Execute();
var writerResult = stringBuilder.ToString();
if ((result == null || result == Core.Void.Value) && writerResult != "")
return writerResult;
return result;
}
}
private class VirtualConsole : IDisposable
{
private readonly TextWriter standardOut;
public VirtualConsole(TextWriter writer)
{
standardOut = Console.Out;
Console.SetOut(writer);
}
public void Dispose()
{
Console.SetOut(standardOut);
}
}
#endregion
}
}