/// <summary>
/// Flush any changes made to the passed list of mutations to the file system.
/// </summary>
/// <param name="mutationVariants"></param>
public void FlushMutations(IList <MutationVariant> mutationVariants)
{
var assemblies = new HashSet <AssemblyMutator>(mutationVariants.Select(x => x.Assembly));
foreach (var assembly in assemblies)
{
var fileDuplication = TestProjectReferences.FirstOrDefault(x =>
assembly.Module.Name == x.Name);
using var writeStream = fileDuplication.OpenReadWriteStream();
using var ms = new MemoryStream();
assembly.Module.Write(ms);
writeStream.Write(ms.ToArray());
ms.Position = 0;
var decompiler = new CodeDecompiler(fileDuplication.FullFilePath(), ms);
foreach (var mutationVariant in mutationVariants)
{
if (assembly == mutationVariant.Assembly && string.IsNullOrEmpty(mutationVariant.MutatedSource))
{
mutationVariant.MutatedSource = decompiler.Decompile(mutationVariant.MemberHandle);
}
}
fileDuplication.Dispose();
}
TestProjectFile.Dispose();
}
/// <summary>
/// Returns a list of <see cref="MutationVariant" /> that can be executed on this given test project duplication.
/// </summary>
/// <param name="mutationIdentifiers"></param>
/// <param name="mutationLevel"></param>
/// <returns></returns>
public IList <MutationVariant> GetMutationVariants(IList <MutationVariantIdentifier> mutationIdentifiers,
MutationLevel mutationLevel)
{
var foundMutations = new List <MutationVariant>();
foreach (var reference in TestProjectReferences)
{
// Read the reference its contents
using var stream = reference.OpenReadStream();
using var binReader = new BinaryReader(stream);
var data = binReader.ReadBytes((int)stream.Length);
var decompiler = new CodeDecompiler(reference.FullFilePath(), new MemoryStream(data));
// Create assembly mutator and look up the mutations according to the passed identifiers.
var assembly = new AssemblyMutator(new MemoryStream(data));
foreach (var type in assembly.Types)
{
var toMutateMethods = new HashSet <string>(
mutationIdentifiers.Select(x => x.MemberName)
);
foreach (var method in type.Methods)
{
if (!toMutateMethods.Contains(method.AssemblyQualifiedName))
{
continue;
}
var methodMutationId = 0;
foreach (var group in method.AllMutations(mutationLevel))
{
foreach (var mutation in group)
{
var mutationIdentifier = mutationIdentifiers.FirstOrDefault(x =>
x.MutationId == methodMutationId && method.AssemblyQualifiedName == x.MemberName);
if (mutationIdentifier.MemberName != null)
{
foundMutations.Add(new MutationVariant(false, assembly, mutationIdentifier,
new MutationAnalyzerInfo
{
AnalyzerDescription = group.AnalyzerDescription,
AnalyzerName = group.AnalyzerName
}, method.Handle, mutation, "", decompiler.Decompile(method.Handle)));
}
methodMutationId++;
}
}
}
}
}
return(foundMutations);
}
public void Decompile_Test_Field(string fieldName, string expectedNotClean)
{
// Arrange
var cd = new CodeDecompiler("test.dll", _stream);
var handle = DecompileHandleHelper.DecompileField(_module, TypeName, fieldName);
var expected = expectedNotClean.CleanUpCode();
// Act
var actual = cd.Decompile(handle).CleanUpCode();
// Assert
Assert.AreEqual(expected, actual);
}
public void Decompile_Test_method(string methodName, string expectedNotClean,
params Type[] typeList)
{
// Arrange
var cd = new CodeDecompiler("test.dll", _stream);
var handle = DecompileHandleHelper.DecompileMethod(_module, TypeName, methodName, typeList);
var expected = expectedNotClean.CleanUpCode();
// Act
var actual = cd.Decompile(handle).CleanUpCode();
// Assert
Assert.AreEqual(expected, actual);
}