/// <exception cref="System.IO.IOException"/> private static HistoryContext BuildHistoryContext(Configuration conf) { HistoryContext ctx = new MockHistoryContext(1, 1, 1); IDictionary <JobId, Org.Apache.Hadoop.Mapreduce.V2.App.Job.Job> jobs = ctx.GetAllJobs (); JobId jobId = jobs.Keys.GetEnumerator().Next(); Org.Apache.Hadoop.Mapreduce.V2.App.Job.Job mockJob = new TestHsWebServicesAcls.MockJobForAcls (jobs[jobId], conf); jobs[jobId] = mockJob; return(ctx); }