public async Task WillSetStackDuplicateSignature()
{
var stack = await _repository.AddAsync(StackData.GenerateStack(), o => o.ImmediateConsistency());
Assert.NotEmpty(stack.ProjectId);
Assert.NotEmpty(stack.SignatureHash);
Assert.Null(stack.DuplicateSignature);
var migration = GetService <SetStackDuplicateSignature>();
var context = new MigrationContext(GetService <ILock>(), _logger, CancellationToken.None);
await migration.RunAsync(context);
string expectedDuplicateSignature = $"{stack.ProjectId}:{stack.SignatureHash}";
var actualStack = await _repository.GetByIdAsync(stack.Id);
Assert.NotEmpty(actualStack.ProjectId);
Assert.NotEmpty(actualStack.SignatureHash);
Assert.Equal($"{actualStack.ProjectId}:{actualStack.SignatureHash}", actualStack.DuplicateSignature);
var results = await _repository.GetStackByDuplicateSignatureAsync(expectedDuplicateSignature);
Assert.Single(results.Documents);
}
