public void ChangeFailureRateEliteTest()
{
//Arrange
ChangeFailureRate metrics = new ChangeFailureRate();
int numberOfDays = 1;
List <KeyValuePair <DateTime, bool> > changeFailureRateList = new List <KeyValuePair <DateTime, bool> >
{
new KeyValuePair <DateTime, bool>(DateTime.Now, true),
new KeyValuePair <DateTime, bool>(DateTime.Now.AddDays(1), true),
new KeyValuePair <DateTime, bool>(DateTime.Now.AddDays(2), true),
new KeyValuePair <DateTime, bool>(DateTime.Now.AddDays(3), true),
new KeyValuePair <DateTime, bool>(DateTime.Now.AddDays(4), true)
};
//Act
float result = metrics.ProcessChangeFailureRate(changeFailureRateList, numberOfDays);
ChangeFailureRateModel model = new ChangeFailureRateModel
{
ChangeFailureRateMetric = result,
ChangeFailureRateMetricDescription = metrics.GetChangeFailureRateRating(result),
IsProjectView = false
};
//Assert
Assert.IsTrue(model != null);
Assert.AreEqual(0f, model.ChangeFailureRateMetric);
Assert.AreEqual("Elite", model.ChangeFailureRateMetricDescription);
Assert.AreEqual(false, model.IsProjectView);
}
public void ChangeFailureRateNullTest()
{
//Arrange
ChangeFailureRate metrics = new ChangeFailureRate();
int numberOfDays = 1;
List <KeyValuePair <DateTime, bool> > changeFailureRateList = null;
//Act
float result = metrics.ProcessChangeFailureRate(changeFailureRateList, numberOfDays);
string rating = metrics.GetChangeFailureRateRating(result);
//Assert
Assert.AreEqual(-1, result);
Assert.AreEqual("None", rating);
}
public void ChangeFailureRateLowTest()
{
//Arrange
ChangeFailureRate metrics = new ChangeFailureRate();
int numberOfDays = 7;
List <KeyValuePair <DateTime, bool> > changeFailureRateList = new List <KeyValuePair <DateTime, bool> >
{
new KeyValuePair <DateTime, bool>(DateTime.Now, true),
new KeyValuePair <DateTime, bool>(DateTime.Now.AddDays(1), true),
new KeyValuePair <DateTime, bool>(DateTime.Now.AddDays(2), false),
new KeyValuePair <DateTime, bool>(DateTime.Now.AddDays(3), false),
new KeyValuePair <DateTime, bool>(DateTime.Now.AddDays(4), false)
};
//Act
float result = metrics.ProcessChangeFailureRate(changeFailureRateList, numberOfDays);
string rating = metrics.GetChangeFailureRateRating(result);
//Assert
Assert.AreEqual(0.6f, result);
Assert.AreEqual("Low", rating);
}
public ChangeFailureRateModel GetChangeFailureRate(bool getSampleData, TableStorageAuth tableStorageAuth,
DevOpsPlatform targetDevOpsPlatform, string organization_owner, string project_repo, string branch, string buildName_workflowName,
int numberOfDays, int maxNumberOfItems)
{
ListUtility <ChangeFailureRateBuild> utility = new ListUtility <ChangeFailureRateBuild>();
ChangeFailureRate changeFailureRate = new ChangeFailureRate();
if (getSampleData == false)
{
//Gets a list of change failure rate builds from Azure storage
AzureTableStorageDA daTableStorage = new AzureTableStorageDA();
Newtonsoft.Json.Linq.JArray list = daTableStorage.GetTableStorageItems(tableStorageAuth, tableStorageAuth.TableChangeFailureRate, daTableStorage.CreateBuildWorkflowPartitionKey(organization_owner, project_repo, buildName_workflowName));
List <ChangeFailureRateBuild> initialBuilds = JsonConvert.DeserializeObject <List <ChangeFailureRateBuild> >(list.ToString());
//Build the date list and then generate the change failure rate metric
List <ChangeFailureRateBuild> builds = new List <ChangeFailureRateBuild>();
List <KeyValuePair <DateTime, bool> > dateList = new List <KeyValuePair <DateTime, bool> >();
float maxBuildDuration = 0f;
foreach (ChangeFailureRateBuild item in initialBuilds)
{
if (item.Branch == branch && item.StartTime > DateTime.Now.AddDays(-numberOfDays))
{
//Special branch for Azure DevOps to construct the Url to each build
if (targetDevOpsPlatform == DevOpsPlatform.AzureDevOps)
{
item.Url = $"https://dev.azure.com/{organization_owner}/{project_repo}/_build/results?buildId={item.Id}&view=results";
}
builds.Add(item);
}
}
//then build the calcuation
foreach (ChangeFailureRateBuild item in builds)
{
KeyValuePair <DateTime, bool> newItem = new KeyValuePair <DateTime, bool>(item.StartTime, item.DeploymentWasSuccessful);
dateList.Add(newItem);
}
//calculate the metric on all of the results
float changeFailureRateMetric = changeFailureRate.ProcessChangeFailureRate(dateList, numberOfDays);
//Filter the results to return the last n (maxNumberOfItems)
List <ChangeFailureRateBuild> uiBuilds = utility.GetLastNItems(builds, maxNumberOfItems);
foreach (ChangeFailureRateBuild item in uiBuilds)
{
if (item.BuildDuration > maxBuildDuration)
{
maxBuildDuration = item.BuildDuration;
}
}
//We need to do some post processing and loop over the list a couple times to find the max build duration, construct a usable url, and calculate a build duration percentage
foreach (ChangeFailureRateBuild item in uiBuilds)
{
float interiumResult = ((item.BuildDuration / maxBuildDuration) * 100f);
item.BuildDurationPercent = Scaling.ScaleNumberToRange(interiumResult, 0, 100, 20, 100);
}
ChangeFailureRateModel model = new ChangeFailureRateModel
{
TargetDevOpsPlatform = targetDevOpsPlatform,
DeploymentName = buildName_workflowName,
ChangeFailureRateBuildList = uiBuilds,
ChangeFailureRateMetric = changeFailureRateMetric,
ChangeFailureRateMetricDescription = changeFailureRate.GetChangeFailureRateRating(changeFailureRateMetric),
NumberOfDays = numberOfDays,
MaxNumberOfItems = uiBuilds.Count,
TotalItems = builds.Count
};
return(model);
}
else
{
//Get sample data
List <ChangeFailureRateBuild> sampleBuilds = utility.GetLastNItems(GetSampleBuilds(), maxNumberOfItems);
ChangeFailureRateModel model = new ChangeFailureRateModel
{
TargetDevOpsPlatform = targetDevOpsPlatform,
DeploymentName = buildName_workflowName,
ChangeFailureRateBuildList = sampleBuilds,
ChangeFailureRateMetric = 2f / 10f,
ChangeFailureRateMetricDescription = changeFailureRate.GetChangeFailureRateRating(2f / 10f),
NumberOfDays = numberOfDays,
MaxNumberOfItems = sampleBuilds.Count,
TotalItems = sampleBuilds.Count
};
return(model);
}
}