public void CorrectParse()
{
var histogramService = new HistogramSorterService();
// Get the directory in which the test files are contained.
var pathToHistogramFiles = $"{Directory.GetCurrentDirectory()}/../../../{TestFilesFolder}";
// Parse the files in the test directory.
var parseOutput = histogramService.ParseHistograms(pathToHistogramFiles);
var testFileNames =
Directory
.GetFiles(pathToHistogramFiles)
.Select(Path.GetFileNameWithoutExtension)
.ToList();
var imageIds =
parseOutput
.Select(histogram => histogram.ImageId)
.ToList();
Assert.True(testFileNames.Count == NumberOfHistogramsInTestFolder);
Assert.True(testFileNames.Count == parseOutput.Count);
foreach (var testFileName in testFileNames)
{
Assert.Contains(testFileName, imageIds);
}
foreach (var colorHistogram in parseOutput)
{
Assert.True(colorHistogram.RedHistogram.Count == 16);
Assert.True(colorHistogram.GreenHistogram.Count == 16);
Assert.True(colorHistogram.BlueHistogram.Count == 16);
}
}
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
var configService = new GlobalConfigService();
var globalConfig = configService.LoadConfig(Configuration);
var userSessionsManager = new UserSessionsManager();
var labelsService = new LabelSorterService();
var histogramService = new HistogramSorterService();
var imageLabelsPath = Configuration["FilePaths:ImageLabelsPath"];
var colorHistogramsPath = Configuration["FilePaths:ColorHistogramFiles"];
var imageLabelsWrapper = new LoadedImageLabelsWrapper(labelsService.ParseLabels(imageLabelsPath));
var histogramsWrapper = new LoadedHistogramsWrapper(histogramService.ParseHistograms(colorHistogramsPath));
services.AddSingleton(globalConfig);
services.AddSingleton(configService);
services.AddSingleton(userSessionsManager);
services.AddSingleton(labelsService);
services.AddSingleton(histogramService);
services.AddSingleton(imageLabelsWrapper);
services.AddSingleton(histogramsWrapper);
services.AddRazorPages();
}
public void CorrectClosestHistogramTest()
{
var histogramService = new HistogramSorterService();
var histogram1 = new ColorHistogram(
"randomId1",
new List <double> {
0.1
},
new List <double> {
0.1, 0.2
},
new List <double> {
0.1, 0.2, 0.3
}
);
var histogram2 = new ColorHistogram(
"randomId2",
new List <double> {
0.1
},
new List <double> {
0.1, 0.2
},
new List <double> {
0.1, 0.2, 0.2
}
);
var histogram3 = new ColorHistogram(
"randomId3",
new List <double> {
0.1
},
new List <double> {
0.1, 0.1
},
new List <double> {
0.1, 0.2, 0.4
}
);
var selectedHistograms = new List <ColorHistogram> {
histogram1, histogram2, histogram3
};
var comparisonMap = histogramService.CreateHistogramComparisonMap(selectedHistograms);
selectedHistograms.RemoveAt(0);
var closestIndex = histogramService.FindTheClosestHistogramIndex(
"randomId1",
selectedHistograms,
comparisonMap
);
Assert.True(closestIndex == 0);
}
public void CorrectDifferenceTest()
{
var histogramService = new HistogramSorterService();
var histogram1 = new ColorHistogram(
"randomId1",
new List <double> {
0.1
},
new List <double> {
0.1, 0.2
},
new List <double> {
0.1, 0.2, 0.3
}
);
var histogram2 = new ColorHistogram(
"randomId2",
new List <double> {
0.1
},
new List <double> {
0.1, 0.2
},
new List <double> {
0.1, 0.2, 0.3
}
);
var difference = histogramService.HistogramDifferenceSum(histogram1, histogram2);
Assert.True(difference == 0);
var histogram3 = new ColorHistogram(
"randomId3",
new List <double> {
0.1
},
new List <double> {
0.1, 0.1
},
new List <double> {
0.1, 0.2, 0.2
}
);
difference = histogramService.HistogramDifferenceSum(histogram1, histogram3);
Assert.True(difference - 2 * Math.Pow(0.1, 2) < 0.001);
}
public ImagePresentation(
GlobalConfig globalConfig,
UserSessionsManager userSessionsManager,
LoadedImageLabelsWrapper imageLabelsWrapper,
LoadedHistogramsWrapper histogramsWrapper,
LabelSorterService labelSorterService,
HistogramSorterService histogramSorterService
)
{
_globalConfig = globalConfig;
_userSessionsManager = userSessionsManager;
_imageLabelsWrapper = imageLabelsWrapper;
_histogramsWrapper = histogramsWrapper;
_labelSorterService = labelSorterService;
_histogramSorterService = histogramSorterService;
}
public void IncorrectArgumentImageSelection()
{
var histogramService = new HistogramSorterService();
var pathToHistogramFiles = $"{Directory.GetCurrentDirectory()}/../../../{TestFilesFolder}";
var colorHistograms = histogramService.ParseHistograms(pathToHistogramFiles);
try
{
histogramService.SelectRandomImages(NumberOfTestImagesForArgumentExc, colorHistograms);
}
catch (ArgumentException)
{
Assert.True(true);
}
catch (Exception)
{
Assert.True(false);
}
}
public void IncorrectRangeTest()
{
var histogramService = new HistogramSorterService();
var histogram1 = new ColorHistogram(
"randomId1",
new List <double> {
0.1
},
new List <double> {
0.1, 0.2
},
new List <double> {
0.1, 0.2, 0.3
}
);
var histogram2 = new ColorHistogram(
"randomId2",
new List <double> {
0.1, 0.2
},
new List <double> {
0.1, 0.2
},
new List <double> {
0.1, 0.2, 0.3
}
);
try
{
histogramService.HistogramDifferenceSum(histogram1, histogram2);
}
catch (ArgumentException)
{
Assert.True(true);
}
catch (Exception)
{
Assert.True(false);
}
}
public void CorrectImageSelection()
{
var histogramService = new HistogramSorterService();
var pathToHistogramFiles = $"{Directory.GetCurrentDirectory()}/../../../{TestFilesFolder}";
var colorHistograms = histogramService.ParseHistograms(pathToHistogramFiles);
var presentedImages =
histogramService.SelectRandomImages(NumberOfImagesToPresent, colorHistograms);
Assert.True(presentedImages.Count == NumberOfImagesToPresent);
for (var i = presentedImages.Count - 1; i >= 0; i--)
{
for (var j = i - 1; j >= 0; j--)
{
Assert.True(
presentedImages[i].ImageId != presentedImages[j].ImageId,
$"{presentedImages[i].ImageId} matches {presentedImages[j].ImageId}"
);
}
presentedImages.RemoveAt(i);
}
}
public void CorrectSortTest()
{
var histogramService = new HistogramSorterService();
var histogram1 = new ColorHistogram(
"randomId1",
new List <double> {
0.1
},
new List <double> {
0.1, 0.2
},
new List <double> {
0.1, 0.2, 0.3
}
);
var histogram2 = new ColorHistogram(
"randomId2",
new List <double> {
0.1
},
new List <double> {
0.1, 0.2
},
new List <double> {
0.1, 0.2, 0.2
}
);
var histogram3 = new ColorHistogram(
"randomId3",
new List <double> {
0.1
},
new List <double> {
0.1, 0.1
},
new List <double> {
0.1, 0.2, 0.4
}
);
var histogram4 = new ColorHistogram(
"randomId4",
new List <double> {
0.2
},
new List <double> {
0.2, 0.1
},
new List <double> {
0.1, 0.2, 0.3
}
);
var selectedHistograms = new List <ColorHistogram> {
histogram1, histogram2, histogram3, histogram4
};
var comparisonMap = histogramService.CreateHistogramComparisonMap(selectedHistograms);
var sortedHistograms = histogramService.SortSelectedHistograms(
2,
2,
comparisonMap,
selectedHistograms
);
Assert.True(true);
}
public void CorrectComparisonMapTest()
{
var histogramService = new HistogramSorterService();
var histogram1 = new ColorHistogram(
"randomId1",
new List <double> {
0.1
},
new List <double> {
0.1, 0.2
},
new List <double> {
0.1, 0.2, 0.3
}
);
var histogram2 = new ColorHistogram(
"randomId2",
new List <double> {
0.1
},
new List <double> {
0.1, 0.2
},
new List <double> {
0.1, 0.2, 0.2
}
);
var histogram3 = new ColorHistogram(
"randomId3",
new List <double> {
0.1
},
new List <double> {
0.1, 0.1
},
new List <double> {
0.1, 0.2, 0.4
}
);
var selectedHistograms = new List <ColorHistogram> {
histogram1, histogram2, histogram3
};
var comparisonMap = histogramService.CreateHistogramComparisonMap(selectedHistograms);
Assert.True(comparisonMap.Count == 6);
Assert.True(
comparisonMap[new HistogramComparisonKeys("randomId1", "randomId2")] - Math.Pow(0.1, 2) < 0.001
);
Assert.True(
comparisonMap[new HistogramComparisonKeys("randomId2", "randomId1")] - Math.Pow(0.1, 2) < 0.001
);
Assert.True(
comparisonMap[new HistogramComparisonKeys("randomId1", "randomId3")] - 2 * Math.Pow(0.1, 2) < 0.001
);
Assert.True(
comparisonMap[new HistogramComparisonKeys("randomId3", "randomId1")] - 2 * Math.Pow(0.1, 2) < 0.001
);
Assert.True(
comparisonMap[new HistogramComparisonKeys("randomId2", "randomId3")] - (Math.Pow(0.1, 2) + Math.Pow(0.2, 2)) < 0.001
);
Assert.True(
comparisonMap[new HistogramComparisonKeys("randomId3", "randomId2")] - (Math.Pow(0.1, 2) + Math.Pow(0.2, 2)) < 0.001
);
}
