public void SetUp()
{
defaultWords = new List <string> {
"di", "solid", "mocking", "unit", "to"
};
defaultHeights = Enumerable.Repeat(30, defaultWords.Count).ToList();
wordsPreprocessor1 = A.Fake <IWordsPreprocessor>();
wordsPreprocessor2 = A.Fake <IWordsPreprocessor>();
wordsFilter1 = A.Fake <IWordsFilter>();
wordsFilter2 = A.Fake <IWordsFilter>();
wordsFramer = A.Fake <IWordsHeighter>();
layouter = A.Fake <ICloudLayouter>();
writer = A.Fake <IWordsBitmapWriter>();
A.CallTo(() => wordsPreprocessor1.Process(null)).WithAnyArguments().Returns(defaultWords);
A.CallTo(() => wordsPreprocessor2.Process(null)).WithAnyArguments().Returns(defaultWords);
A.CallTo(() => wordsFilter1.GetFiltered(null)).WithAnyArguments().Returns(defaultWords);
A.CallTo(() => wordsFilter2.GetFiltered(null)).WithAnyArguments().Returns(defaultWords);
A.CallTo(() => wordsFramer.GetWithHeights(null)).WithAnyArguments().Returns(defaultWords.Zip(defaultHeights, Tuple.Create));
A.CallTo(() => layouter.PutNextRectangle(Size.Empty)).WithAnyArguments().Returns(Rectangle.Empty);
A.CallTo(() => writer.Write(null)).WithAnyArguments().Returns(bitmapResult);
container = new CloudContainer(
new [] { wordsPreprocessor1, wordsPreprocessor2 },
new [] { wordsFilter1, wordsFilter2 },
wordsFramer,
layouter,
writer, ImageFormat.Bmp);
}
public Stream GetTagsCloud(IEnumerable <string> words)
{
var wordsList = words.ToList();
if (!wordsList.Any())
{
throw new ArgumentException("No words were provided");
}
IEnumerable <string> wordsEnumerable = wordsList;
wordsList = wordsPreprocessors
.Aggregate(wordsEnumerable, (current, preprocessor) => preprocessor.Process(current))
.ToList();
wordsEnumerable = wordsList;
wordsList = wordsFilters
.Aggregate(wordsEnumerable, (current, filter) => filter.GetFiltered(current)).ToList();
var wordsWithHeights = wordsFramer.GetWithHeights(wordsList).OrderByDescending(wh => wh.Item2);
var wordsWithSizes = wordsWithHeights.Select(wh => Tuple.Create(
wh.Item1,
new Size(
(int)Math.Round(bitmapWriter.GetWordWidth(wh.Item1, wh.Item2)),
wh.Item2
)
));
var layoutedWords = wordsWithSizes
.Select(ws => Tuple.Create(ws.Item1, cloudLayouter.PutNextRectangle(ws.Item2))).ToList();
var result = new MemoryStream();
bitmapWriter.Write(layoutedWords).Save(result, imageFormat);
result.Seek(0, SeekOrigin.Begin);
return(result);
}
