/// <summary>
/// Constructs a instance of Andrey Sitnik's Autoprefix CSS postprocessor
/// </summary>
/// <param name="createJsEngineInstance">Delegate that creates an instance of JS engine</param>
/// <param name="virtualFileSystemWrapper">Virtual file system wrapper</param>
/// <param name="autoprefixerConfig">Configuration settings of Andrey Sitnik's Autoprefix CSS postprocessor</param>
public AutoprefixCssPostProcessor(Func <IJsEngine> createJsEngineInstance,
IVirtualFileSystemWrapper virtualFileSystemWrapper,
AutoprefixerSettings autoprefixerConfig)
{
_virtualFileSystemWrapper = virtualFileSystemWrapper;
Browsers = autoprefixerConfig.Browsers
.Cast <BrowserConditionalExpression>()
.Select(b => b.ConditionalExpression)
.ToList()
;
Cascade = autoprefixerConfig.Cascade;
Add = autoprefixerConfig.Add;
Remove = autoprefixerConfig.Remove;
Supports = autoprefixerConfig.Supports;
Flexbox = autoprefixerConfig.Flexbox;
Grid = autoprefixerConfig.Grid;
IgnoreUnknownVersions = autoprefixerConfig.IgnoreUnknownVersions;
Stats = autoprefixerConfig.Stats;
if (createJsEngineInstance == null)
{
string jsEngineName = autoprefixerConfig.JsEngine.Name;
if (string.IsNullOrWhiteSpace(jsEngineName))
{
throw new ConfigurationErrorsException(
string.Format(CoreStrings.Configuration_JsEngineNotSpecified,
"autoprefixer",
@"
* JavaScriptEngineSwitcher.Msie (only in the Chakra JsRT modes)
* JavaScriptEngineSwitcher.V8
* JavaScriptEngineSwitcher.ChakraCore (while it is recommended to use version 3.1.1)",
"MsieJsEngine")
);
}
createJsEngineInstance = () => JsEngineSwitcher.Current.CreateEngine(jsEngineName);
}
_createJsEngineInstance = createJsEngineInstance;
}
public void FillingOfDependenciesIsCorrect()
{
// Arrange
var virtualFileSystemMock = new Mock <IVirtualFileSystemWrapper>();
string testCssAssetVirtualPath = UrlHelpers.Combine(STYLES_DIRECTORY_VIRTUAL_PATH, "Test.css");
virtualFileSystemMock
.Setup(fs => fs.ToAbsolutePath(testCssAssetVirtualPath))
.Returns(testCssAssetVirtualPath)
;
virtualFileSystemMock
.Setup(fs => fs.FileExists(testCssAssetVirtualPath))
.Returns(true)
;
virtualFileSystemMock
.Setup(fs => fs.GetFileTextContent(testCssAssetVirtualPath))
.Returns(@":fullscreen a
{
display: flex
}")
;
const string customStatisticsFileVirtualPath = "~/App_Data/BundleTransformer/stats.json";
virtualFileSystemMock
.Setup(fs => fs.ToAbsolutePath(customStatisticsFileVirtualPath))
.Returns(customStatisticsFileVirtualPath.Replace("~/", "/"))
;
virtualFileSystemMock
.Setup(fs => fs.FileExists(customStatisticsFileVirtualPath))
.Returns(true)
;
virtualFileSystemMock
.Setup(fs => fs.GetFileTextContent(customStatisticsFileVirtualPath))
.Returns(@"{
""name"": ""All data of website"",
""id"": ""90598522|undefined"",
""type"": ""custom"",
""source"": ""google_analytics"",
""dataByBrowser"": {},
""meta"": {
""start_date"": ""2015-12-20"",
""end_date"": ""2016-01-19""
},
""uid"": ""custom.90598522|undefined""
}")
;
Func <IJsEngine> createJsEngineInstance =
() => JsEngineSwitcher.Instance.CreateDefaultEngine();
IVirtualFileSystemWrapper virtualFileSystemWrapper = virtualFileSystemMock.Object;
var autoprefixerConfig = new AutoprefixerSettings
{
Stats = customStatisticsFileVirtualPath
};
var autoprefixCssPostProcessor = new AutoprefixCssPostProcessor(createJsEngineInstance,
virtualFileSystemWrapper, autoprefixerConfig);
IAsset asset = new Asset(testCssAssetVirtualPath, virtualFileSystemWrapper);
// Act
asset = autoprefixCssPostProcessor.PostProcess(asset);
IList <string> dependencies = asset.VirtualPathDependencies;
// Assert
Assert.Equal(1, dependencies.Count);
Assert.Equal("/App_Data/BundleTransformer/stats.json", dependencies[0]);
}
/// <summary>
/// Constructs a instance of Andrey Sitnik's Autoprefix CSS-postprocessor
/// </summary>
/// <param name="createJsEngineInstance">Delegate that creates an instance of JavaScript engine</param>
/// <param name="autoprefixerConfig">Configuration settings of Andrey Sitnik's Autoprefix CSS-postprocessor</param>
public AutoprefixCssPostProcessor(Func<IJsEngine> createJsEngineInstance, AutoprefixerSettings autoprefixerConfig)
{
Browsers = autoprefixerConfig.Browsers
.Cast<BrowserConditionalExpression>()
.Select(b => b.ConditionalExpression)
.ToList()
;
Cascade = autoprefixerConfig.Cascade;
Remove = autoprefixerConfig.Remove;
Add = autoprefixerConfig.Add;
if (createJsEngineInstance == null)
{
string jsEngineName = autoprefixerConfig.JsEngine.Name;
if (string.IsNullOrWhiteSpace(jsEngineName))
{
throw new ConfigurationErrorsException(
string.Format(CoreStrings.Configuration_JsEngineNotSpecified,
"autoprefixer",
@"
* JavaScriptEngineSwitcher.Msie
* JavaScriptEngineSwitcher.V8",
"MsieJsEngine")
);
}
createJsEngineInstance = (() =>
JsEngineSwitcher.Current.CreateJsEngineInstance(jsEngineName));
}
_createJsEngineInstance = createJsEngineInstance;
}
