/// <summary>
/// Initializes a new instance of the <see cref="GravatarFetcher" /> class.
/// </summary>
/// <param name="committers">
/// The list of committers. Ideally, this should already have been de-duplicated.
/// Duplicate entries are not necessarily fatal but could result in redundant
/// web requests and possibly some failed operations due to file locking semantics.
/// </param>
/// <param name="client">
/// An HttpClient to be used for making web requests (dependency injection).
/// If null or omitted, then a new instance is created internally.
/// </param>
/// <param name="filesystem">
/// A <see cref="FakeFileSystemWrapper" /> to be used for accessing the file system (dependency injection).
/// If null or omitted, then a new instance is created internally.
/// </param>
public GravatarFetcher(IEnumerable <Committer> committers,
HttpClient client = null,
FakeFileSystemWrapper filesystem = null)
{
fileSystem = filesystem ?? new FakeFileSystemWrapper();
httpClient = client ?? new HttpClient();
httpClient.BaseAddress = new Uri(GravatarBaseUrl);
UniqueCommitters = committers;
}
/// <summary>
/// Initializes a new instance of the <see cref="GitLog" /> class.
/// </summary>
/// <param name="pathToWorkingCopy">The path to a Git working copy.</param>
/// <param name="fakeFileSystemWrapper">
/// A helper class that provides file system
/// services (optional).
/// </param>
/// <exception cref="ArgumentException">Thrown if the path is invalid.</exception>
/// <exception cref="InvalidOperationException">
/// Thrown if there is no Git repository at
/// the specified path.
/// </exception>
public GitLog(string pathToWorkingCopy, FakeFileSystemWrapper fakeFileSystemWrapper = null)
{
fileSystem = fakeFileSystemWrapper ?? new FakeFileSystemWrapper();
var fullPath = fileSystem.GetFullPath(pathToWorkingCopy); // ArgumentException if path invalid.
if (!fileSystem.DirectoryExists(fullPath))
{
throw new ArgumentException("The specified working copy directory does not exist.");
}
GitWorkingCopyPath = pathToWorkingCopy;
var git = fileSystem.PathCombine(fullPath, ".git");
if (!fileSystem.DirectoryExists(git))
{
throw new InvalidOperationException(
"There does not appear to be a Git repository at the specified location.");
}
}