public void WontThrowPathTooLongExceptionForLongDataUrls()
{
//
// Base64 images can throw Windows PathTooLong exceptions (limit of 260 characters)
// when present in a CSS file with non-base64 relative URLs.
//
var cssAssetsFileHasher = new CSSAssetsFileHasher(string.Empty, new FileSystemResolver(), null, null);
string css =
@"
.header {
background: url('data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiA/PgIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgdmlld0JveD0iMCAwIDEgMSIgcHJlc2VydmVBc3BlY3RSYXRpbz0ibm9uZSI+CiAgPGxpbmVhckdyYWRpZW50IGlkPSJncmFkLXVjZ2ctZ2VuZXJhdGVkIiBncmFkaWVudFVuaXRzPSJ1c2VyU3BhY2VPblVzZSIgeDE9IjAlIiB5MT0iMCUiIHgyPSIwJSIgeTI9IjEwMCUiPgogICAgPHN0b3Agb2Zmc2V0PSIwJSIgc3RvcC1jb2xvcj0iI2ZlZmZmZiIgc3RvcC1vcGFjaXR5PSIxIi8+CiAgICA8c3RvcCBvZmZzZXQ9IjEwMCUiIHN0b3AtY29sb3I9IiNmMmYyZjIiIHN0b3Atb3BhY2l0eT0iMSIvPgogIDwvbGluZWFyR3JhZGllbnQ+CiAgPHJlY3QgeD0iMCIgeT0iMCIgd2lkdGg9IjEiIGhlaWdodD0iMSIgZmlsbD0idXJsKCNncmFkLXVjZ2ctZ2VuZXJhdGVkKSIgLz4KPC9zdmc+') no-repeat 0 0;
background: url('fake.png');
}
";
string sourceFile = TestUtilities.PreparePath(@"C:\somepath\myfile.css");
string targetFile = TestUtilities.PreparePath(@"C:\somepath\output.css");
string result = CSSPathRewriter.RewriteCssPaths(targetFile, sourceFile, css, cssAssetsFileHasher, new PathTranslator());
string expected =
@"
.header {
background: url('data:image/svg+xml;base64,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') no-repeat 0 0;
background: url('fake.png');
}
";
Assert.AreEqual(expected, result);
}
public void DoesNotAppendHashIfFileDoesNotExists()
{
var hashQueryStringKeyName = "v";
var fileResolver = new FileSystemResolver();
var hasher = new StubHasher("hash");
var cssFilePath = TestUtilities.PreparePath(@"C:\somepath\output.css");
var url = "/doesnotexist.jpg";
var assetsFileHasher = new CSSAssetsFileHasher(hashQueryStringKeyName, fileResolver, hasher);
var rewrittenUrl = assetsFileHasher.AppendFileHash(cssFilePath, url);
Assert.That(rewrittenUrl, Is.EqualTo(url));
}
public void DoesNotAppendHashIfFileIsRemote()
{
var hashQueryStringKeyName = "v";
var fileResolver = new FileSystemResolver();
var hasher = new StubHasher("hash");
var cssFilePath = @"C:\somepath\output.css";
var url = "http://www.test.com/image.jpg";
var assetsFileHasher = new CSSAssetsFileHasher(hashQueryStringKeyName, fileResolver, hasher);
var rewrittenUrl = assetsFileHasher.AppendFileHash(cssFilePath, url);
Assert.That(rewrittenUrl, Is.EqualTo(url));
}
public void CanAppendFileHashToRelativeUriWithAnExistingQueryString()
{
var hashQueryStringKeyName = "v";
var hashValue = "hashValue";
var hasher = new StubHasher(hashValue);
var fileResolver = new FileSystemResolver();
var uri = Assembly.GetExecutingAssembly().CodeBase;
var cssFilePath = Path.GetDirectoryName(uri) + TestUtilities.PreparePath(@"\subdirectory\output.css");
var url = "../" + Path.GetFileName(uri) + "?test=value";
var assetsFileHasher = new CSSAssetsFileHasher(hashQueryStringKeyName, fileResolver, hasher);
var expectedUrl = url + "&" + hashQueryStringKeyName + "=" + hashValue;
var rewrittenUrl = assetsFileHasher.AppendFileHash(cssFilePath, url);
Assert.That(rewrittenUrl, Is.EqualTo(expectedUrl));
}
public void CanAppendFileHashToAbsoluteUri()
{
var hashQueryStringKeyName = "v";
var hashValue = "hashValue";
var hasher = new StubHasher(hashValue);
var uri = Assembly.GetExecutingAssembly().CodeBase;
var cssFilePath = Path.Combine(Path.GetDirectoryName(uri), @"output.css");
var url = "/" + Path.GetFileName(uri);
var pathToResolveTo = Assembly.GetExecutingAssembly().Location;
var fileResolver = StubResolver.ForFile(pathToResolveTo);
var assetsFileHasher = new CSSAssetsFileHasher(hashQueryStringKeyName, fileResolver, hasher);
var expectedUrl = url + "?" + hashQueryStringKeyName + "=" + hashValue;
var rewrittenUrl = assetsFileHasher.AppendFileHash(cssFilePath, url);
Assert.That(rewrittenUrl, Is.EqualTo(expectedUrl));
}