public void TestTransformerType(string testName, RazorRuntime runtime)
{
string workingDirectory = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
try
{
using (var razorGenerator = new HostManager(workingDirectory, loadExtensions: false, defaultRuntime: runtime, assemblyDirectory: Environment.CurrentDirectory))
{
string inputFile = SaveInputFile(workingDirectory, testName);
var host = razorGenerator.CreateHost(inputFile, testName + ".cshtml", string.Empty);
host.DefaultNamespace = GetType().Namespace;
host.EnableLinePragmas = false;
var output = host.GenerateCode();
AssertOutput(testName, output, runtime);
}
}
finally
{
try
{
Directory.Delete(workingDirectory);
}
catch
{
}
}
}
private static bool?IsMvcProject(string projectRoot, out RazorRuntime razorRuntime)
{
razorRuntime = RazorRuntime.Version1;
try
{
var projectFile = Directory.EnumerateFiles(projectRoot, "*.csproj").FirstOrDefault();
if (projectFile != null)
{
var content = File.ReadAllText(projectFile);
if ((content.IndexOf("System.Web.Mvc, Version=4", StringComparison.OrdinalIgnoreCase) != -1) ||
(content.IndexOf("System.Web.Razor, Version=2", StringComparison.OrdinalIgnoreCase) != -1) ||
(content.IndexOf("Microsoft.AspNet.Mvc.4", StringComparison.OrdinalIgnoreCase) != -1))
{
// The project references Razor v2
razorRuntime = RazorRuntime.Version2;
}
else if ((content.IndexOf("System.Web.Mvc, Version=5", StringComparison.OrdinalIgnoreCase) != -1) ||
(content.IndexOf("System.Web.Razor, Version=3", StringComparison.OrdinalIgnoreCase) != -1) ||
(content.IndexOf("Microsoft.AspNet.Mvc.5", StringComparison.OrdinalIgnoreCase) != -1))
{
// The project references Razor v3
razorRuntime = RazorRuntime.Version3;
}
return(content.IndexOf("System.Web.Mvc", StringComparison.OrdinalIgnoreCase) != -1);
}
}
catch
{
}
return(null);
}
public void TestTransformerType(string testName, RazorRuntime runtime)
{
string workingDirectory = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
try
{
using (var razorGenerator = new HostManager(workingDirectory, loadExtensions: false, defaultRuntime: runtime, assemblyDirectory: Environment.CurrentDirectory))
{
string inputFile = SaveInputFile(workingDirectory, testName);
var host = razorGenerator.CreateHost(inputFile, testName + ".cshtml", string.Empty);
host.DefaultNamespace = GetType().Namespace;
host.EnableLinePragmas = false;
var output = host.GenerateCode();
AssertOutput(testName, output, runtime);
}
}
finally
{
try
{
Directory.Delete(workingDirectory);
}
catch
{
}
}
}
private static void AssertOutput(string testName, string output, RazorRuntime runtime)
{
var expectedContent = GetManifestFileContent(testName, "Output_v" + (int)runtime);
output = Regex.Replace(output, @"Runtime Version:[\d.]*", "Runtime Version:N.N.NNNNN.N")
.Replace(typeof(HostManager).Assembly.GetName().Version.ToString(), "v.v.v.v");
Assert.Equal(expectedContent, output);
}
public IRazorHost CreateHost(string fullPath, string projectRelativePath, CodeDomProvider codeDomProvider, string vsNamespace)
{
var directives = DirectivesParser.ParseDirectives(_baseDirectory, fullPath);
directives["VsNamespace"] = vsNamespace;
string guessedHost = null;
RazorRuntime runtime = _defaultRuntime;
GuessedHost value;
if (TryGuessHost(_baseDirectory, projectRelativePath, out value))
{
runtime = value.Runtime;
guessedHost = value.Host;
}
string hostName;
if (!directives.TryGetValue("Generator", out hostName))
{
// Determine the host and runtime from the file \ project
hostName = guessedHost;
}
string razorVersion;
if (directives.TryGetValue("RazorVersion", out razorVersion))
{
// If the directive explicitly specifies a host, use that.
switch (razorVersion)
{
case "1":
runtime = RazorRuntime.Version1;
break;
case "2":
runtime = RazorRuntime.Version2;
break;
default:
runtime = RazorRuntime.Version3;
break;
}
}
if (_catalog == null)
{
_catalog = InitCompositionCatalog(_baseDirectory, _loadExtensions, runtime);
}
using (var container = new CompositionContainer(_catalog))
{
var codeTransformer = GetRazorCodeTransformer(container, projectRelativePath, hostName);
var host = container.GetExport <IHostProvider>().Value;
return(host.GetRazorHost(projectRelativePath, fullPath, codeTransformer, codeDomProvider, directives));
}
}
public void HostManagerHieruisticForMvcHelperInViewsFolder(string path, string expected, RazorRuntime expectedRuntime)
{
// Act
RazorRuntime runtime;
var guess = HostManager.GuessHost(Directory.GetCurrentDirectory(), path, out runtime);
// Assert
Assert.Equal(expected, guess);
Assert.Equal(expectedRuntime, runtime);
}
public HostManager(string baseDirectory, bool loadExtensions, RazorRuntime defaultRuntime, string assemblyDirectory)
{
_loadExtensions = loadExtensions;
_baseDirectory = baseDirectory;
_defaultRuntime = defaultRuntime;
_assemblyDirectory = assemblyDirectory;
// Repurposing loadExtensions to mean unit-test scenarios. Don't bind to the AssemblyResolve in unit tests
if (_loadExtensions)
{
AppDomain.CurrentDomain.AssemblyResolve += OnAssemblyResolve;
}
}
public HostManager(string baseDirectory, bool loadExtensions, RazorRuntime defaultRuntime, string assemblyDirectory)
{
_loadExtensions = loadExtensions;
_baseDirectory = baseDirectory;
_defaultRuntime = defaultRuntime;
_assemblyDirectory = assemblyDirectory;
// Repurposing loadExtensions to mean unit-test scenarios. Don't bind to the AssemblyResolve in unit tests
if (_loadExtensions)
{
AppDomain.CurrentDomain.AssemblyResolve += OnAssemblyResolve;
}
}
private Assembly GetAssembly(RazorRuntime runtime)
{
int runtimeValue = (int)runtime;
// TODO: Check if we can switch to using CodeBase instead of Location
// Look for the assembly at vX\RazorGenerator.vX.dll. If not, assume it is at RazorGenerator.vX.dll
string runtimeDirectory = Path.Combine(_assemblyDirectory, "v" + runtimeValue);
string assemblyName = "RazorGenerator.Core.v" + runtimeValue + ".dll";
string runtimeDirPath = Path.Combine(runtimeDirectory, assemblyName);
if (File.Exists(runtimeDirPath))
{
Assembly assembly = Assembly.LoadFrom(runtimeDirPath);
return(assembly);
}
else
{
return(Assembly.LoadFrom(Path.Combine(_assemblyDirectory, assemblyName)));
}
}
private static bool? IsMvcProject(string projectRoot, out RazorRuntime razorRuntime)
{
razorRuntime = RazorRuntime.Version1;
try
{
var projectFile = Directory.EnumerateFiles(projectRoot, "*.csproj").FirstOrDefault();
if (projectFile != null)
{
var content = File.ReadAllText(projectFile);
if ((content.IndexOf("System.Web.Mvc, Version=4.0.0.0", StringComparison.OrdinalIgnoreCase) != -1) ||
(content.IndexOf("System.Web.Razor, Version=2.0.0.0", StringComparison.OrdinalIgnoreCase) != -1) ||
(content.IndexOf("Microsoft.AspNet.Mvc.4.0.0", StringComparison.OrdinalIgnoreCase) != -1))
{
// The project references Razor v2
razorRuntime = RazorRuntime.Version2;
}
else if ((content.IndexOf("System.Web.Mvc, Version=5.0.0.0", StringComparison.OrdinalIgnoreCase) != -1) ||
(content.IndexOf("System.Web.Razor, Version=3.0.0.0", StringComparison.OrdinalIgnoreCase) != -1) ||
(content.IndexOf("Microsoft.AspNet.Mvc.5.0.0", StringComparison.OrdinalIgnoreCase) != -1))
{
// The project references Razor v3
razorRuntime = RazorRuntime.Version3;
}
return content.IndexOf("System.Web.Mvc", StringComparison.OrdinalIgnoreCase) != -1;
}
}
catch
{
}
return null;
}
public GuessedHost(string host, RazorRuntime runtime)
{
Host = host;
Runtime = runtime;
}
private Assembly GetAssembly(RazorRuntime runtime)
{
int runtimeValue = (int)runtime;
// TODO: Check if we can switch to using CodeBase instead of Location
// Look for the assembly at vX\RazorGenerator.vX.dll. If not, assume it is at RazorGenerator.vX.dll
string runtimeDirectory = Path.Combine(_assemblyDirectory, "v" + runtimeValue);
string assemblyName = "RazorGenerator.Core.v" + runtimeValue + ".dll";
string runtimeDirPath = Path.Combine(runtimeDirectory, assemblyName);
if (File.Exists(runtimeDirPath))
{
Assembly assembly = Assembly.LoadFrom(runtimeDirPath);
return assembly;
}
else
{
return Assembly.LoadFrom(Path.Combine(_assemblyDirectory, assemblyName));
}
}
internal static string GuessHost(string projectRoot, string projectRelativePath, out RazorRuntime runtime)
{
bool isMvcProject = IsMvcProject(projectRoot, out runtime) ?? false;
if (isMvcProject)
{
var mvcHelperRegex = new Regex(@"(^|\\)Views(\\.*)+Helpers?", RegexOptions.ExplicitCapture | RegexOptions.IgnoreCase);
if (mvcHelperRegex.IsMatch(projectRelativePath))
{
return "MvcHelper";
}
return "MvcView";
}
return null;
}
private ComposablePartCatalog InitCompositionCatalog(string baseDirectory, bool loadExtensions, RazorRuntime runtime)
{
// Retrieve available hosts
var hostsAssembly = GetAssembly(runtime);
var catalog = new AggregateCatalog(new AssemblyCatalog(hostsAssembly));
if (loadExtensions)
{
// We assume that the baseDirectory points to the project root. Look for the RazorHosts directory under the project root
AddCatalogIfHostsDirectoryExists(catalog, baseDirectory);
// Look for the Razor Hosts directory up to two directories above the baseDirectory. Hopefully this should cover the solution root.
var solutionDirectory = Path.Combine(baseDirectory, @"..\");
AddCatalogIfHostsDirectoryExists(catalog, solutionDirectory);
solutionDirectory = Path.Combine(baseDirectory, @"..\..\");
AddCatalogIfHostsDirectoryExists(catalog, solutionDirectory);
}
return catalog;
}
public void HostManagerHieruisticForMvcHelperInViewsFolder(string path, string expected, RazorRuntime expectedRuntime)
{
// Act
RazorRuntime runtime;
var guess = HostManager.GuessHost(Directory.GetCurrentDirectory(), path, out runtime);
// Assert
Assert.Equal(expected, guess);
Assert.Equal(expectedRuntime, runtime);
}
private static void AssertOutput(string testName, string output, RazorRuntime runtime)
{
var expectedContent = GetManifestFileContent(testName, "Output_v" + (int)runtime);
output = Regex.Replace(output, @"Runtime Version:[\d.]*", "Runtime Version:N.N.NNNNN.N")
.Replace(typeof(HostManager).Assembly.GetName().Version.ToString(), "v.v.v.v");
Assert.Equal(expectedContent, output);
}
internal static string GuessHost(string projectRoot, string projectRelativePath, out RazorRuntime runtime)
{
bool isMvcProject = IsMvcProject(projectRoot, out runtime) ?? false;
if (isMvcProject)
{
var mvcHelperRegex = new Regex(@"(^|\\)Views(\\.*)+Helpers?", RegexOptions.ExplicitCapture | RegexOptions.IgnoreCase);
if (mvcHelperRegex.IsMatch(projectRelativePath))
{
return("MvcHelper");
}
return("MvcView");
}
return(null);
}
private ComposablePartCatalog InitCompositionCatalog(string baseDirectory, bool loadExtensions, RazorRuntime runtime)
{
// Retrieve available hosts
var hostsAssembly = GetAssembly(runtime);
var catalog = new AggregateCatalog(new AssemblyCatalog(hostsAssembly));
if (loadExtensions)
{
// We assume that the baseDirectory points to the project root. Look for the RazorHosts directory under the project root
AddCatalogIfHostsDirectoryExists(catalog, baseDirectory);
// Look for the Razor Hosts directory up to two directories above the baseDirectory. Hopefully this should cover the solution root.
var solutionDirectory = Path.Combine(baseDirectory, @"..\");
AddCatalogIfHostsDirectoryExists(catalog, solutionDirectory);
solutionDirectory = Path.Combine(baseDirectory, @"..\..\");
AddCatalogIfHostsDirectoryExists(catalog, solutionDirectory);
}
return(catalog);
}
