public void NumberOfDifferentAuthorsForFileThrowsArgumentExceptionIfFilePathIsInvalid()
{
var gitCommands = new GitCommands(Mock.Of <ICommandLineExecutor>());
Action act = () => gitCommands.NumberOfDifferentAuthorsForFile(string.Empty);
act.Should()
.Throw <ArgumentException>();
}
public void FileAuthorsTest()
{
var fileAuthors = Helpers.LoadResource(Paths.GitShortlogOutput, typeof(GitCommandsTest).Assembly);
var executorMock = new Mock <ICommandLineExecutor>();
var fileName = "dir/bla.js";
var gitCommand = $"shortlog -n -s {fileName}";
executorMock.Setup(mock => mock.Execute("git", It.Is <string>(command => command == gitCommand), "dir"))
.Returns(fileAuthors.Split('\n'));
var gitCommands = new GitCommands(executorMock.Object);
var result = gitCommands.NumberOfDifferentAuthorsForFile(fileName);
executorMock.Verify(mock => mock.Execute("git", gitCommand, "dir"), Times.Once);
result.Should()
.Be(10);
}