/// <returns>a singleton instance of repository</returns>
public McrRepository createMcrRepository()
{
// We should maintain the singleton instance of cache repository
// because its implementation needs the state of data synchronizing.
if (cacheFileMcrRepositoryInstance == null)
{
FileProcessor baseFileProcessor = new TxtFileProcessor();
FileProcessor rsaProcessor = new TextParsingDecorator(
baseFileProcessor, new RijndaelEncryptor());
FileProcessor compressionProcessor = new TextParsingDecorator(
rsaProcessor, new CompressorImp());
cacheFileMcrRepositoryInstance = new CacheFileMcrRepositoryProxy(
new ApringFileMcrRepository(
compressionProcessor));
}
return cacheFileMcrRepositoryInstance;
}
public async Task ProcessLinesAsync_CorrectTxtFile_AppropriateDictionaryOfWordsIsCalculated()
{
//prepare
var writerThreshold = 32768;
var wordFrequencyCalculatorMock = new Mock <IWordFrequencyCalculator>();
IDictionary <string, int> actualResult = null;
wordFrequencyCalculatorMock.Setup(x => x.MergeInfo(It.IsAny <IDictionary <string, int> >()))
.Callback((IDictionary <string, int> input) => {
if (input.Count != 0)
{
actualResult = new Dictionary <string, int>(input);
}
});
string testFileName = "testtext.txt";
string testData = "Hello World world is beatiful\n Is that Right?\r\n";
PrepareTestData(testData, testFileName);
//act
var txtProcessor = new TxtFileProcessor(wordFrequencyCalculatorMock.Object, writerThreshold);
await txtProcessor.ProcessLinesAsync(testFileName);
//check
var expectedDictionary = new Dictionary <string, int>();
expectedDictionary.Add("hello", 1);
expectedDictionary.Add("world", 2);
expectedDictionary.Add("is", 2);
expectedDictionary.Add("beatiful", 1);
expectedDictionary.Add("that", 1);
expectedDictionary.Add("right?", 1);
actualResult.Should().BeEquivalentTo(expectedDictionary);
}