public void Validate_DetectionTemplates_AllFilesAreYamls()
{
List <string> detectionPath = DetectionsYamlFilesTestData.GetDetectionPaths();
var yamlFiles = Directory.GetFiles(detectionPath[0], "*.yaml", SearchOption.AllDirectories).ToList(); // Detection folder
yamlFiles.AddRange(Directory.GetFiles(detectionPath[1], "*.yaml", SearchOption.AllDirectories).ToList().Where(s => s.Contains("Analytic Rules"))); // Extending detection validation to solution folder
var AllFiles = Directory.GetFiles(detectionPath[0], "*", SearchOption.AllDirectories).ToList();
AllFiles.AddRange(Directory.GetFiles(detectionPath[1], "*", SearchOption.AllDirectories).ToList().Where(s => s.Contains("Analytic Rules")));
var numberOfNotYamlFiles = 1; //This is the readme.md file in the directory
Assert.True(AllFiles.Count == yamlFiles.Count + numberOfNotYamlFiles, $"All the files in detections and solution (Analytics rules) folder are supposed to end with .yaml");
}
public void Validate_DetectionTemplates_NoSameTemplateIdTwice()
{
List <string> detectionPath = DetectionsYamlFilesTestData.GetDetectionPaths();
var yamlFiles = Directory.GetFiles(detectionPath[0], "*.yaml", SearchOption.AllDirectories).Where(s => !s.Contains("CiscoUmbrella")).ToList(); // Removing duplicate CiscoUmbrella detections. already present in solution folder
yamlFiles.AddRange(Directory.GetFiles(detectionPath[1], "*.yaml", SearchOption.AllDirectories).ToList().Where(s => s.Contains("Analytic Rules"))); // Extending it to solution folder for detection validation
var templatesAsStrings = yamlFiles.Select(yaml => GetYamlFileAsString(Path.GetFileName(yaml)));
var templatesAsObjects = templatesAsStrings.Select(yaml => JObject.Parse(ConvertYamlToJson(yaml)));
var duplicationsById = templatesAsObjects.GroupBy(a => a["id"]).Where(group => group.Count() > 1); //Finds duplications -> ids that there are more than 1 template from
var duplicatedId = "";
if (duplicationsById.Count() > 0)
{
duplicatedId = duplicationsById.Last().Select(x => x["id"]).First().ToString();
}
Assert.True(duplicationsById.Count() == 0, $"There should not be 2 templates with the same ID, but the id {duplicatedId} is duplicated.");
}