[TestMethod] // control that the folder name's functions are correctly checked
public void folderName()
{
Boolean result = true;
// try to add an unexisting path
result = _filenameManipulation.setFolder("Unexisting path");
Assert.AreEqual(false, result);
Assert.AreEqual("", _filenameManipulation.getFolder());
// add an existing path
result = _filenameManipulation.setFolder(_validFolder);
Assert.AreEqual(true, result);
Assert.AreEqual(_validFolder, _filenameManipulation.getFolder());
// change to a non-existing path. The previous path should have been kept
result = _filenameManipulation.setFolder("unexisting folder");
Assert.AreEqual(false, result);
Assert.AreEqual(_validFolder, _filenameManipulation.getFolder());
}
[TestMethod] // control the save and remove image methods (behaviour if existing)
public void imageGoodPng()
{
Boolean result;
String[] files;
// take an image to save and delete
Image img = Image.FromFile(_path + "\\a.jpg");
// save in good folder : return true and new image added
result = _imageGoodPng.save(img);
Assert.AreEqual(true, result);
files = Directory.GetFiles(_goodFilenamePng.getFolder());
Assert.AreEqual(5, files.Length); // 5, because originally there are 3 pictures + 1 text file
// remove an existing image : return true and old image deleted
result = _imageGoodPng.remove();
Assert.AreEqual(true, result);
files = Directory.GetFiles(_goodFilenamePng.getFolder());
Assert.AreEqual(4, files.Length);
}
public UnitTest_ControlsManipulator()
{
_path = System.IO.Directory.GetCurrentDirectory() + "\\..\\..\\images";
_imageGood = Substitute.For <IimageManipulation>();
_imageGood.save(Arg.Any <Image>()).Returns(true);
_imageGood.remove().Returns(true);
_controlSubs = Substitute.For <IControlsManipulation>();
_controlSubs.ApplyFilter(Arg.Any <string>(), Arg.Any <PictureBox>(), Arg.Any <TextBox>(), Arg.Any <Image>()).Returns(true);
// instanciation for existing image
_existingFilename = Substitute.For <IFilenameManipulation>();
_existingFilename.getFolder().Returns(_path);
_existingFilename.getFullPath().Returns(_path + "\\a.jpg");
_existingFilename.getFileName().Returns("a");
_imageExisting = new ImageManipulation(_existingFilename);
}
public UnitTest_imageManipulation()
{
_path = System.IO.Directory.GetCurrentDirectory() + "\\..\\..\\images";
// instanciation for successfull usage jpeg
_goodFilename = Substitute.For <IFilenameManipulation>();
_goodFilename.getFolder().Returns(_path);
_goodFilename.getFullPath().Returns(_path + "\\new image - no filter.jpg");
_goodFilename.getFormat().Returns(".jpg");
// instanciation for successfull usage png
_goodFilenamePng = Substitute.For <IFilenameManipulation>();
_goodFilenamePng.getFolder().Returns(_path);
_goodFilenamePng.getFullPath().Returns(_path + "\\new image - no filter.jpg");
_goodFilenamePng.getFormat().Returns(".png");
// instanciation for unsuccessful usage
_badFilename = Substitute.For <IFilenameManipulation>();
_badFilename.getFolder().Returns("unexisting path");
_badFilename.getFullPath().Returns <Object>(null);
// instanciation for existing image
_existingFilename = Substitute.For <IFilenameManipulation>();
_existingFilename.getFolder().Returns(_path);
_existingFilename.getFullPath().Returns(_path + "\\a.jpg");
// instanciation for existing but corrupted image
_existingBadFilename = Substitute.For <IFilenameManipulation>();
_existingBadFilename.getFolder().Returns(_path);
_existingBadFilename.getFullPath().Returns(_path + "\\hi.txt");
_imageGood = new ImageManipulation(_goodFilename);
_imageGoodPng = new ImageManipulation(_goodFilenamePng);
_imageBad = new ImageManipulation(_badFilename);
_imageExisting = new ImageManipulation(_existingFilename);
_imageBadExisting = new ImageManipulation(_existingBadFilename);
}
