public void ResizeNeededReturnsFalse()
{
CreateImage("testImage.png", 500, 700, ImageFormat.Png);
var filepath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory,
ConfigurationManager.AppSettings["filePath"], Path.GetFileName("testImage.png"));
var file = File.ReadAllBytes(filepath);
Image image;
using (var imageStream = new MemoryStream(file))
{
image = Image.FromStream(imageStream);
}
var helper = new ImageHelper();
var result = helper.ResizeNeeded(image, 500, 700);
Assert.IsFalse(result);
}
public void GetImageReturnsImage()
{
CreateImage("testImage.png", 500, 700, ImageFormat.Png);
var filepath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory,
ConfigurationManager.AppSettings["filePath"], Path.GetFileName("testImage.png"));
var file = File.ReadAllBytes(filepath);
Image expected;
using (var imageStream = new MemoryStream(file))
{
expected = Image.FromStream(imageStream);
}
var result = new ImageHelper().GetImage(file);
Assert.IsNotNull(result);
Assert.AreEqual(expected.Size, result.Size);
}
public void ScaleImageReturnsNewImage()
{
CreateImage("testImage.png", 900, 900, ImageFormat.Png);
var filepath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory,
ConfigurationManager.AppSettings["filePath"], Path.GetFileName("testImage.png"));
var file = File.ReadAllBytes(filepath);
Image image;
using (var imageStream = new MemoryStream(file))
{
image = Image.FromStream(imageStream);
}
var scaleRatio = Math.Min((double) 500 / image.Width,
(double) 700/ image.Height);
var helper = new ImageHelper();
var result = helper.ScaleImage(image, scaleRatio);
Assert.AreNotEqual(image.Size, result.Size);
}