public void GetOrAdd_IgnoresCachedValue_IfGlobalFileWasChangedSinceCacheWasCreated(
RazorFileInfo viewStartRazorFileInfo, IFileInfo globalFileInfo)
{
// Arrange
var expectedType = typeof(RuntimeCompileDifferent);
var lastModified = DateTime.UtcNow;
var viewStartLastModified = DateTime.UtcNow;
var content = "some content";
var fileInfo = new TestFileInfo
{
Length = 1020,
Content = content,
LastModified = lastModified,
PhysicalPath = "Views\\home\\index.cshtml"
};
var fileProvider = new TestFileProvider();
fileProvider.AddFile(fileInfo.PhysicalPath, fileInfo);
fileProvider.AddFile(viewStartRazorFileInfo.RelativePath, globalFileInfo);
var viewCollection = new ViewCollection();
var cache = new CompilerCache(new[] { viewCollection }, TestLoadContext, fileProvider);
// Act
var result = cache.GetOrAdd(fileInfo.PhysicalPath,
compile: _ => CompilationResult.Successful(expectedType));
// Assert
Assert.NotSame(CompilerCacheResult.FileNotFound, result);
var actual = result.CompilationResult;
Assert.NotNull(actual);
Assert.Equal(expectedType, actual.CompiledType);
}
/// <summary>
/// Initializes a new instance of <see cref="CompilerCacheEntry"/> for a file that was precompiled.
/// </summary>
/// <param name="info">Metadata about the precompiled file.</param>
/// <param name="compiledType">The compiled <see cref="Type"/>.</param>
public CompilerCacheEntry([NotNull] RazorFileInfo info, [NotNull] Type compiledType)
{
CompiledType = compiledType;
RelativePath = info.RelativePath;
Length = info.Length;
LastModified = info.LastModified;
Hash = info.Hash;
HashAlgorithmVersion = info.HashAlgorithmVersion;
IsPreCompiled = true;
}
public void GetOrAdd_UsesValueFromCache_IfGlobalHasNotChanged()
{
// Arrange
var instance = new PreCompile();
var length = Encoding.UTF8.GetByteCount(instance.Content);
var fileProvider = new TestFileProvider();
var lastModified = DateTime.UtcNow;
var fileInfo = new TestFileInfo
{
Length = length,
LastModified = lastModified,
Content = instance.Content
};
fileProvider.AddFile(ViewPath, fileInfo);
var globalContent = "global-content";
var globalFileInfo = new TestFileInfo
{
Content = globalContent,
LastModified = DateTime.UtcNow
};
fileProvider.AddFile("_ViewImports.cshtml", globalFileInfo);
var globalRazorFileInfo = new RazorFileInfo
{
Hash = Crc32.Calculate(GetMemoryStream(globalContent)).ToString(CultureInfo.InvariantCulture),
HashAlgorithmVersion = 1,
LastModified = globalFileInfo.LastModified,
Length = globalFileInfo.Length,
RelativePath = "_ViewImports.cshtml",
FullTypeName = typeof(RuntimeCompileIdentical).FullName
};
var precompiledViews = new ViewCollection();
precompiledViews.Add(globalRazorFileInfo);
var cache = new CompilerCache(new[] { precompiledViews }, TestLoadContext, fileProvider);
// Act
var result = cache.GetOrAdd(ViewPath,
compile: _ => { throw new Exception("shouldn't be invoked"); });
// Assert
Assert.NotSame(CompilerCacheResult.FileNotFound, result);
var actual = result.CompilationResult;
Assert.NotNull(actual);
Assert.Equal(typeof(PreCompile), actual.CompiledType);
}
public void Add(RazorFileInfo fileInfo)
{
_fileInfos.Add(fileInfo);
}
public void GetOrAdd_IgnoresCachedValueIfFileIsIdentical_ButGlobalWasDeletedSinceCacheWasCreated()
{
// Arrange
var expectedType = typeof(RuntimeCompileDifferent);
var lastModified = DateTime.UtcNow;
var fileProvider = new TestFileProvider();
var viewCollection = new ViewCollection();
var precompiledView = viewCollection.FileInfos[0];
precompiledView.RelativePath = "Views\\Index.cshtml";
var viewFileInfo = new TestFileInfo
{
Content = new PreCompile().Content,
LastModified = precompiledView.LastModified,
PhysicalPath = precompiledView.RelativePath
};
fileProvider.AddFile(viewFileInfo.PhysicalPath, viewFileInfo);
var globalFileInfo = new TestFileInfo
{
PhysicalPath = "Views\\_ViewImports.cshtml",
Content = "viewstart-content",
LastModified = lastModified
};
var globalFile = new RazorFileInfo
{
FullTypeName = typeof(RuntimeCompileIdentical).FullName,
RelativePath = globalFileInfo.PhysicalPath,
LastModified = globalFileInfo.LastModified,
Hash = RazorFileHash.GetHash(globalFileInfo, hashAlgorithmVersion: 1),
HashAlgorithmVersion = 1,
Length = globalFileInfo.Length
};
fileProvider.AddFile(globalFileInfo.PhysicalPath, globalFileInfo);
viewCollection.Add(globalFile);
var cache = new CompilerCache(new[] { viewCollection }, TestLoadContext, fileProvider);
// Act 1
var result1 = cache.GetOrAdd(viewFileInfo.PhysicalPath,
compile: _ => { throw new Exception("should not be called"); });
// Assert 1
Assert.NotSame(CompilerCacheResult.FileNotFound, result1);
var actual1 = result1.CompilationResult;
Assert.NotNull(actual1);
Assert.Equal(typeof(PreCompile), actual1.CompiledType);
// Act 2
var trigger = fileProvider.GetTrigger(globalFileInfo.PhysicalPath);
trigger.IsExpired = true;
var result2 = cache.GetOrAdd(viewFileInfo.PhysicalPath,
compile: _ => CompilationResult.Successful(expectedType));
// Assert 2
Assert.NotSame(CompilerCacheResult.FileNotFound, result2);
var actual2 = result2.CompilationResult;
Assert.NotNull(actual2);
Assert.Equal(expectedType, actual2.CompiledType);
}
