public void GetAllFiles_returns_all_valid_files_based_on_configured_filetypes(IEnumerable <string> filesList, int countOfFiles)
{
//given
moqFolderParserService.Setup(m => m.GetFileNamesFromFolder(It.IsAny <string>(), It.Is <string>(p => p == "*.csv"))).Returns(filesList);
var sut = new FolderManager(moqFolderParserService.Object);
var fileTypes = new Dictionary <string, string>()
{
{ "TOU", "Energy" },
{ "LP", "Data Value" }
};
var sourceFolderPath = "D:\\Sample files";
var fileFormat = "*.csv";
//when
var actual = sut.GetAllFiles(sourceFolderPath, fileFormat, fileTypes);
//then
int countReturned = actual == null ? 0 : actual.Count();
Assert.Equal(countOfFiles, countReturned);
moqFolderParserService.Verify(v => v.GetFileNamesFromFolder(It.IsAny <string>(), It.Is <string>(p => p == "*.csv")), Times.Once);
}