public void MethodHasExpectedComplexity(string method, int expectedComplexity)
{
var tree = CSharpSyntaxTree.ParseText(method);
var compilation = CSharpCompilation.Create(
"x",
syntaxTrees: new[] { tree },
references:
new MetadataReference[]
{
MetadataReference.CreateFromFile(typeof(object).Assembly.Location),
MetadataReference.CreateFromFile(typeof(Task).Assembly.Location)
});
//options: new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary, false, null, null, null, new string[] { "System", "System.Threading.Tasks" }));
var model = compilation.GetSemanticModel(tree, true);
var syntaxNode = tree
.GetRoot()
.DescendantNodes()
.OfType <MethodDeclarationSyntax>()
.First();
var metrics = new m.Metrics();
var timer = metrics.Timer(
typeof(ProjectMetricTests),
"TestTimer",
m.TimeUnit.Milliseconds,
m.TimeUnit.Microseconds);
var result = timer.Time(() => _counter.Calculate(syntaxNode, model));
Assert.Equal(expectedComplexity, result);
}
protected override EvaluationResult EvaluateImpl(SyntaxNode node)
{
var methodDeclaration = (MethodDeclarationSyntax)node;
var complexity = _counter.Calculate(methodDeclaration, null);
if (complexity >= Limit)
{
return(new EvaluationResult
{
Snippet = node.ToFullString()
});
}
return(null);
}
public void PerformAnalysis(string rootFolder)
{
Console.WriteLine("Analyzing commits...");
using (var repo = new Repository(rootFolder))
{
var analysis = new Analysis();
var renamedFiles = new Dictionary <string, string>();
var cyclomaticComplexityCounter = new CyclomaticComplexityCounter();
var linesOfCodeCalculator = new LinesOfCodeCalculator();
var typeScriptAst = new TypeScriptAST();
foreach (var tag in repo.Tags)
{
var commit = repo.Lookup <Commit>(tag.Target.Sha);
var commitDate = commit.Author.When.UtcDateTime.Date;
analysis.Tags.Add(commitDate, tag.FriendlyName);
}
foreach (var branch in repo.Branches.Where(br => br.IsRemote))
{
analysis.Branches.Add(branch.FriendlyName);
}
foreach (var commit in repo.Commits)
{
var username = commit.Author.Name;
var commitDate = commit.Author.When.UtcDateTime.Date;
UpdateAnalysisCommitDates(analysis, commitDate);
IncDictionaryValue(analysis.CommitsEachDay, commitDate);
foreach (var parent in commit.Parents)
{
var patch = repo.Diff.Compare <Patch>(parent.Tree, commit.Tree);
IncDictionaryValue(analysis.LinesOfCodeAddedEachDay, commitDate, patch.LinesAdded);
IncDictionaryValue(analysis.LinesOfCodeDeletedEachDay, commitDate, patch.LinesDeleted);
foreach (TreeEntryChanges change in repo.Diff.Compare <TreeChanges>(parent.Tree, commit.Tree))
{
int cyclomaticComplexity = 0;
int methodCount = 0;
var fullPath = Path.Combine(rootFolder, change.Path);
if (change.Path != change.OldPath)
{
if (analysis.FileCommits.ContainsKey(change.OldPath))
{
analysis.FileCommits[change.Path] = analysis.FileCommits[change.OldPath];
analysis.FileCommits.Remove(change.OldPath);
}
if (!renamedFiles.ContainsKey(change.OldPath))
{
renamedFiles.Add(change.OldPath, change.Path);
}
}
string filename = renamedFiles.ContainsKey(change.OldPath) ? renamedFiles[change.OldPath] : change.Path;
var fileType = Path.GetExtension(filename);
if (IgnoreFiletype(fileType))
{
break;
}
if (analysis.FileCommits.ContainsKey(filename))
{
analysis.FileCommits[filename].CommitCount++;
}
else
{
int linesOfCode = 0;
var fileExists = fileHandling.FileExists(fullPath);
if (fileExists)
{
var fileContents = fileHandling.ReadFileContent(fullPath);
linesOfCode = linesOfCodeCalculator.Calculate(fileContents);
if (change.Path.EndsWith(".cs", StringComparison.OrdinalIgnoreCase))
{
var syntaxTree = CodeAnalyser.GetSyntaxTree(fileContents);
var methodDeclarationNode = CodeAnalyser.GetMethodDeclarationSyntaxe(syntaxTree);
cyclomaticComplexity = cyclomaticComplexityCounter.Calculate(methodDeclarationNode, syntaxTree);
methodCount = MethodCounter.Calculate(methodDeclarationNode);
}
else if (change.Path.EndsWith(".ts", StringComparison.OrdinalIgnoreCase))
{
methodCount = MethodCounter.Calculate(typeScriptAst, fileContents);
}
analysis.LinesOfCodeanalyzed += linesOfCode;
}
analysis.FileCommits[filename] = new FileStat {
Filename = filename, CyclomaticComplexity = cyclomaticComplexity, LinesOfCode = linesOfCode, MethodCount = methodCount, FileExists = fileExists
};
IncDictionaryValue(analysis.FileTypes, fileType);
}
analysis.FileCommits[filename].CommitDates.Add(commitDate);
if (analysis.FileCommits[filename].LatestCommit < commitDate)
{
analysis.FileCommits[filename].LatestCommit = commitDate;
}
IncDictionaryValue(analysis.CodeAge, analysis.FileCommits[filename].CodeAge);
var usernameFilename = UsernameFilename.GetDictKey(filename, username);
if (analysis.UserfileCommits.ContainsKey(usernameFilename))
{
analysis.UserfileCommits[usernameFilename].CommitCount++;
}
else
{
analysis.UserfileCommits[usernameFilename] = new FileStat {
Filename = filename, Username = username
};
}
analysis.UserfileCommits[usernameFilename].CommitDates.Add(commitDate);
}
}
}
var folderStats = new Dictionary <string, int>();
foreach (var fileChange in analysis.FileCommits)
{
int commitCount = fileChange.Value.CommitCount;
var folders = fileChange.Key.Split("/");
string root = folders[0];
if (fileChange.Key.IndexOf("/") == -1)
{
root = ".";
}
IncFolderCommitValue(analysis.FolderCommits, root, commitCount);
analysis.FolderCommits[root].IsRoot = true;
string currentFolder = root;
var children = analysis.FolderCommits[currentFolder].Children;
for (int i = 1; i < folders.Length; i++)
{
currentFolder = folders[i];
IncFolderCommitValue(children, currentFolder, commitCount);
children = children[currentFolder].Children;
}
var codeAge = fileChange.Value.CommitDates.OrderByDescending(cd => cd).First();
}
var o = analysis.FolderCommits.OrderBy(p => p.Key);
analysis.AnalysisTime = (DateTime.UtcNow.Ticks - analysis.CreatedDate.Ticks) / 10000; // Analysis time in milliseconds
foreach (var report in reports)
{
report.Generate(analysis);
}
}
}