public void NonJpgFilesAreIgnored()
{
ImageComparison c = new ImageComparison();
DirectoryInfo directoryInfo = new DirectoryInfo(@".\TestImages");
var result = c.Compare(new ReadOnlyCollection<FileInfo>(directoryInfo.GetFiles().Where(fi => fi.Name.StartsWith("TestFile")).ToList()));
Assert.True(result.Keys.Count(f => f.Extension.EndsWith("gif")) == 0);
}
public void NoMatchesReturnsEmptyDictionary()
{
ImageComparison c = new ImageComparison();
DirectoryInfo directoryInfo = new DirectoryInfo(@".\TestImages");
var result = c.Compare(new ReadOnlyCollection<FileInfo>(directoryInfo.GetFiles().Where(fi => !fi.Name.Contains("Copy")).ToList()));
Assert.True(result.Keys.Count == 0);
}
public void SingleMatchReturnsOneResultInDictionaryList()
{
ImageComparison c = new ImageComparison();
DirectoryInfo directoryInfo = new DirectoryInfo(@".\TestImages");
var result = c.Compare(new ReadOnlyCollection<FileInfo>(directoryInfo.GetFiles().Where(fi => fi.Name.StartsWith("TestFileB")).ToList()));
Assert.Equal("TestFileB.jpg", result.Keys.ElementAt(0).Name);
Assert.True(result[result.Keys.ElementAt(0)].Count == 1);
Assert.Equal("TestFileBCopy1.jpg", result[result.Keys.ElementAt(0)].First().Name);
}
public void NMatchesReturnsNMinusOneResultsInDictionaryList()
{
ImageComparison c = new ImageComparison();
DirectoryInfo directoryInfo = new DirectoryInfo(@".\TestImages");
var result = c.Compare(new ReadOnlyCollection<FileInfo>(directoryInfo.GetFiles().Where(fi => fi.Name.StartsWith("TestFileC")).ToList()));
Assert.Equal("TestFileC.jpg", result.Keys.ElementAt(0).Name);
Assert.True(result[result.Keys.ElementAt(0)].Count == 2);
Assert.Equal("TestFileCCopy1.jpg", result[result.Keys.ElementAt(0)][0].Name);
Assert.Equal("TestFileCCopy2.jpg", result[result.Keys.ElementAt(0)][1].Name);
}
public void MultipleSourceMatches()
{
ImageComparison c = new ImageComparison();
DirectoryInfo directoryInfo = new DirectoryInfo(@".\TestImages");
var result = c.Compare(new ReadOnlyCollection<FileInfo>(directoryInfo.GetFiles().Where(fi => fi.Name.StartsWith("TestFile")).ToList()));
Assert.Equal("TestFileB.jpg", result.Keys.ElementAt(0).Name);
Assert.True(result[result.Keys.ElementAt(0)].Count == 1);
Assert.Equal("TestFileBCopy1.jpg", result[result.Keys.ElementAt(0)].First().Name);
Assert.Equal("TestFileC.jpg", result.Keys.ElementAt(1).Name);
Assert.True(result[result.Keys.ElementAt(1)].Count == 2);
Assert.Equal("TestFileCCopy1.jpg", result[result.Keys.ElementAt(1)][0].Name);
Assert.Equal("TestFileCCopy2.jpg", result[result.Keys.ElementAt(1)][1].Name);
}
