public void ShouldThrow_WhenChunkResultsAreNull()
{
// arrange
var chunkResultMerger = new ChunkResultMerger();
// act & assert
Assert.Throws <ArgumentNullException>(() => chunkResultMerger.Merge(chunkResults: null));
}
public void ShouldThrow_WhenInputFileNotFound()
{
// arrange
var chunkReader = new SimpleChunkFileReader();
var chunkProcessor = new ChunkProcessor();
var chunkMerger = new ChunkResultMerger();
var wordCounter = new ChunkWordFrequencyCounter(chunkReader, chunkProcessor, chunkMerger);
// act & assert
Assert.Throws <FileNotFoundException>(() => wordCounter.Process("not.existed"));
}
public void ShouldMerge(string input, string strExpected)
{
// arrange
var chunkResults = input.ToChunkResultArray();
var expected = strExpected.ToDictionary();
var chunkResultMerger = new ChunkResultMerger();
// act
var actual = chunkResultMerger.Merge(chunkResults);
// assert
Assert.Equal(expected, actual);
}
public void ShouldProcessFile(string inputFile, string expectedData)
{
// arrange
var expected = expectedData.ToDictionary();
var chunkReader = new SimpleChunkFileReader();
var chunkProcessor = new ChunkProcessor();
var chunkMerger = new ChunkResultMerger();
var wordCounter = new ChunkWordFrequencyCounter(chunkReader, chunkProcessor, chunkMerger);
// act
var actual = wordCounter.Process(inputFile);
// assert
Assert.Equal(expected, actual);
}