public void TestVersion() { DataFrame versionDf = _spark.GetAssemblyInfo(); Row[] versionRows = versionDf.Collect().ToArray(); Assert.Equal(2, versionRows.Length); Assert.Equal( new string[] { "Microsoft.Spark", "Microsoft.Spark.Worker" }, versionRows.Select(r => r.GetAs <string>("AssemblyName"))); for (int i = 0; i < 2; ++i) { Assert.False( string.IsNullOrWhiteSpace(versionRows[i].GetAs <string>("AssemblyVersion"))); Assert.False( string.IsNullOrWhiteSpace(versionRows[i].GetAs <string>("HostName"))); } }