public void NumberOfChangesForFileThrowsArgumentExceptionIfFilePathIsInvalid()
{
var gitCommands = new GitCommands(Mock.Of <ICommandLineExecutor>());
Action act = () => gitCommands.NumberOfChangesForFile(string.Empty);
act.Should()
.Throw <ArgumentException>();
}
public void FileHistoryTest()
{
var gitLogOutput =
Helpers.LoadResource(Paths.GitPrettyLogOutput, typeof(GitCommandsTest).Assembly);
var executorMock = new Mock <ICommandLineExecutor>();
var fileName = "dir/bla.js";
var gitCommand = $"log --pretty=oneline {fileName}";
executorMock.Setup(mock => mock.Execute("git", It.Is <string>(command => command == gitCommand), "dir"))
.Returns(gitLogOutput.Split('\n'));
var gitCommands = new GitCommands(executorMock.Object);
var result = gitCommands.NumberOfChangesForFile(fileName);
executorMock.Verify(mock => mock.Execute("git", gitCommand, "dir"), Times.Once);
result.Should()
.Be(4);
}