public async Task Png384Dpi()
{
var fileName = Path.Combine(_artifacts, "png384.sprite");
var imgFile = fileName + ".png";
var cssFile = fileName + ".css";
try
{
var doc = await SpriteDocument.FromFile(fileName);
await _generator.Generate(doc);
using (var image = Image.FromFile(imgFile))
{
Assert.AreEqual(384, Math.Round(image.HorizontalResolution), "Not 384 DPI");
Assert.AreEqual(166, image.Height); // 16 + padding
Assert.AreEqual(36, image.Width); // 16 * 6 + padding
}
string css = File.ReadAllText(cssFile);
Assert.IsTrue(css.Contains(".png384.a"), "Sprite \"a.png\" not generated");
Assert.IsTrue(css.Contains("url('png384.sprite.png')"), "Incorrect url value");
Assert.IsTrue(css.Contains("display: inline-block"), "Incorrect custom style");
}
finally
{
File.Delete(imgFile);
File.Delete(cssFile);
}
}
public async Task Png96Dpi()
{
var fileName = Path.Combine(_artifacts, "png96.sprite");
var imgFile = fileName + ".jpg";
var lessFile = fileName + ".less";
try
{
var doc = await SpriteDocument.FromFile(fileName);
await _generator.Generate(doc);
using (var image = Image.FromFile(imgFile))
{
Assert.AreEqual(56, image.Height); // 16 + padding
Assert.AreEqual(236, image.Width); // 16 * 6 + padding
}
string less = File.ReadAllText(lessFile);
Assert.IsTrue(less.Contains(".png96-a()"), "Sprite \"a.png\" not generated");
Assert.IsTrue(less.Contains("url('png96.sprite.jpg')"), "Incorrect url value");
Assert.IsTrue(less.Contains("margin: 0"), "Incorrect custom style");
}
finally
{
File.Delete(imgFile);
File.Delete(lessFile);
}
}
public async Task CacheBustHash()
{
var fileName = Path.Combine(_artifacts, "hash.sprite");
var imgFile = fileName + ".jpg";
var cssFile = fileName + ".css";
try
{
var doc = await SpriteDocument.FromFile(fileName);
await _generator.Generate(doc);
using (HashAlgorithm hash = new SHA256Managed())
{
string imgHash = Convert.ToBase64String(hash.ComputeHash(File.ReadAllBytes(imgFile)));
string css = File.ReadAllText(cssFile);
Assert.IsTrue(css.Contains($"?hash={WebUtility.UrlEncode(imgHash)}"), "Sprite hash not generated");
}
}
finally
{
File.Delete(imgFile);
File.Delete(cssFile);
}
}
public static async Task GenerateSpriteAsync(string fileName)
{
try
{
SpriteDocument doc = await SpriteDocument.FromFile(fileName);
await GenerateSpriteAsync(doc);
}
catch (SpriteParseException ex)
{
MessageBox.Show(ex.Message, Vsix.Name, MessageBoxButtons.OK, MessageBoxIcon.Error);
ProjectHelpers.DTE.ItemOperations.OpenFile(fileName);
}
catch (Exception ex)
{
Logger.Log(ex);
}
}
public async Task CreateDocument()
{
var img = Path.Combine(_artifacts, "images/96dpi/a.png");
var original = new SpriteDocument(_fileName, new[] { img });
original.Output = ImageType.Jpg;
await original.Save();
var read = await SpriteDocument.FromFile(_fileName);
Assert.AreEqual(original.Orientation, read.Orientation);
Assert.AreEqual(original.FileName, read.FileName);
Assert.AreEqual(original.Output, read.Output);
Assert.AreEqual(original.Images.Count(), read.Images.Count());
var input = new FileInfo(Path.Combine(_artifacts, "images/96dpi/a.png")).FullName;
Assert.AreEqual(input, read.ToAbsoluteImages().First().Value);
}
public async Task FromFileFail()
{
await SpriteDocument.FromFile("doesntexist.json");
}