public async void TestCacheReadAndWrite()
{
var cacheSource = new LocalFileSource(localCacheFilePath);
var vacanciesCsv = await cacheSource.GetSourceData();
int nVacanciesOnFirstLoad = vacanciesCsv.Count;
await cacheSource.UpdateCache(vacanciesCsv);
int nVacanciesOnSecondLoad = (await cacheSource.GetSourceData()).Count;
Assert.Equal(nVacanciesOnFirstLoad, nVacanciesOnSecondLoad);
}
public async void TestLoadingFromCache()
{
var cacheSource = new LocalFileSource(localCacheFilePath);
var vacanciesCsv = await cacheSource.GetSourceData();
Assert.NotEmpty(vacanciesCsv);
}