/// <inheritdoc />
public async Task <Context> Create(string repoPath)
{
// get historical changes
var historicalChanges = gitEngine.GetGitHistoricalChangesToParent(repoPath);
var context = DefaultContext.Value.ShallowCopy();
// if there are no history changes into the repo then return the default context.
if (historicalChanges.Count == 0)
{
return(context);
}
// do the quantification based on th default context to get accurate numbers
IPullRequestQuantifier prQuantifier = new PullRequestQuantifier(context);
var quantifierInput = new QuantifierInput();
quantifierInput.Changes.AddRange(historicalChanges.Values.SelectMany(v => v));
await prQuantifier.Quantify(quantifierInput);
context.AdditionPercentile = AdditionDeletionPercentile(historicalChanges, true);
context.DeletionPercentile = AdditionDeletionPercentile(historicalChanges, false);
context.FormulaPercentile = FormulaPercentile(historicalChanges);
return(context);
}
public async Task Quantify_NoChanges_ReturnsZeroCounts()
{
// Arrange
var prQuantifier = new PullRequestQuantifier(context);
var quantifierInput = new QuantifierInput();
quantifierInput.Changes.AddRange(gitEngine.GetGitChanges(gitRepoHelpers.RepoPath));
// Act
var quantifierResult = await prQuantifier.Quantify(quantifierInput);
// Assert
Assert.Equal("No Changes", quantifierResult.Label);
Assert.Equal(0, quantifierResult.QuantifiedLinesAdded);
Assert.Equal(0, quantifierResult.QuantifiedLinesDeleted);
}
public async Task Quantify_FilesWithPlusMinusContent()
{
// Arrange
gitRepoHelpers.AddUntrackedFileToRepoWithContent("fake.cs", "-text\n+add\nnormal\n-44");
var prQuantifier = new PullRequestQuantifier(context);
var quantifierInput = new QuantifierInput();
quantifierInput.Changes.AddRange(gitEngine.GetGitChanges(gitRepoHelpers.RepoPath));
// Act
var quantifierResult = await prQuantifier.Quantify(quantifierInput);
// Assert
Assert.True(!string.IsNullOrEmpty(quantifierResult.Label));
Assert.Equal(4, quantifierResult.QuantifiedLinesAdded);
Assert.Equal(0, quantifierResult.QuantifiedLinesDeleted);
}
public async Task Quantify_UntrackedFilesOnly()
{
// Arrange
gitRepoHelpers.AddUntrackedFileToRepoWithNumLines("fake.cs", 2);
var prQuantifier = new PullRequestQuantifier(context);
var quantifierInput = new QuantifierInput();
quantifierInput.Changes.AddRange(gitEngine.GetGitChanges(gitRepoHelpers.RepoPath));
// Act
var quantifierResult = await prQuantifier.Quantify(quantifierInput);
// Assert
Assert.True(!string.IsNullOrEmpty(quantifierResult.Label));
Assert.Equal(2, quantifierResult.QuantifiedLinesAdded);
Assert.Equal(0, quantifierResult.QuantifiedLinesDeleted);
}
public async Task Quantify_IgnoreSpacesFalse()
{
// Arrange
gitRepoHelpers.AddUntrackedFileToRepoWithContent("fake.cs", "some text\n\nmore text");
context.LanguageOptions.IgnoreSpaces = false;
var prQuantifier = new PullRequestQuantifier(context);
var quantifierInput = new QuantifierInput();
quantifierInput.Changes.AddRange(gitEngine.GetGitChanges(gitRepoHelpers.RepoPath));
// Act
var quantifierResult = await prQuantifier.Quantify(quantifierInput);
// Assert
Assert.True(!string.IsNullOrEmpty(quantifierResult.Label));
Assert.Equal(3, quantifierResult.QuantifiedLinesAdded);
Assert.Equal(0, quantifierResult.QuantifiedLinesDeleted);
}