public void TestAddFolder()
        {
            var path   = Path.GetTempPath();
            var source = new Mock <IFolderDataSource>();

            source.Setup(x => x.OriginalSources).Returns(new IDataSource[0]);
            source.Setup(x => x.FilteredLogSource).Returns(new Mock <ILogSource>().Object);
            source.Setup(x => x.UnfilteredLogSource).Returns(new Mock <ILogSource>().Object);
            _dataSources.Setup(x => x.AddFolder(It.IsAny <string>())).Returns(source.Object);

            var model      = new LogViewMainPanelViewModel(_services, _actionCenter.Object, _dataSources.Object, _quickFilters.Object, _highlighters.Object, _settings.Object);
            var dataSource = model.GetOrAddPath(path);

            dataSource.Should().BeOfType <FolderDataSourceViewModel>();
        }
 private void ShowLog()
 {
     _logViewPanel.GetOrAddPath(Constants.ApplicationLogFile);
 }