public void GetOrAdd_ReturnsFileNotFoundIfFileWasDeleted()
{
// Arrange
var fileProvider = new TestFileProvider();
fileProvider.AddFile(ViewPath, "some content");
var cache = new CompilerCache(Enumerable.Empty <RazorFileInfoCollection>(), TestLoadContext, fileProvider);
var type = typeof(RuntimeCompileIdentical);
var expected = UncachedCompilationResult.Successful(type, "hello world");
// Act 1
var result1 = cache.GetOrAdd(ViewPath, _ => expected);
// Assert 1
Assert.NotSame(CompilerCacheResult.FileNotFound, result1);
Assert.Same(expected, result1.CompilationResult);
// Act 2
// Delete the file from the file system and set it's expiration trigger.
fileProvider.DeleteFile(ViewPath);
fileProvider.GetTrigger(ViewPath).IsExpired = true;
var result2 = cache.GetOrAdd(ViewPath, _ => { throw new Exception("shouldn't be called."); });
// Assert 2
Assert.Same(CompilerCacheResult.FileNotFound, result2);
Assert.Null(result2.CompilationResult);
}
public void GetOrAdd_IgnoresCachedValueIfFileIsIdentical_ButViewStartWasDeletedSinceCacheWasCreated()
{
// 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 viewStartFileInfo = new TestFileInfo
{
PhysicalPath = "Views\\_ViewStart.cshtml",
Content = "viewstart-content",
LastModified = lastModified
};
var viewStart = new RazorFileInfo
{
FullTypeName = typeof(RuntimeCompileIdentical).FullName,
RelativePath = viewStartFileInfo.PhysicalPath,
LastModified = viewStartFileInfo.LastModified,
Hash = RazorFileHash.GetHash(viewStartFileInfo),
Length = viewStartFileInfo.Length
};
fileProvider.AddFile(viewStartFileInfo.PhysicalPath, viewStartFileInfo);
viewCollection.Add(viewStart);
var cache = new CompilerCache(new[] { viewCollection }, fileProvider);
var fileInfo = new RelativeFileInfo(viewFileInfo, viewFileInfo.PhysicalPath);
// Act 1
var actual1 = cache.GetOrAdd(fileInfo,
compile: _ => { throw new Exception("should not be called"); });
// Assert 1
Assert.Equal(typeof(PreCompile), actual1.CompiledType);
// Act 2
fileProvider.DeleteFile(viewStartFileInfo.PhysicalPath);
var actual2 = cache.GetOrAdd(fileInfo,
compile: _ => CompilationResult.Successful(expectedType));
// Assert 2
Assert.Equal(expectedType, actual2.CompiledType);
}
public void AddFileVersionToPath_UpdatesEntryWhenCacheExpires_ForExistingFile_WithRequestPathBase()
{
// Arrange
var fileProvider = new TestFileProvider();
var fileVersionProvider = new FileVersionProvider(
fileProvider,
new MemoryCache(new MemoryCacheOptions()),
GetRequestPathBase("/wwwroot/"));
fileProvider.AddFile("file.txt", "Hello World!");
// Act 1 - File exists
var result = fileVersionProvider.AddFileVersionToPath("/wwwroot/file.txt");
// Assert 1
Assert.Equal("/wwwroot/file.txt?v=f4OxZX_x_FO5LcGBSKHWXfwtSx-j1ncoSt3SABJtkGk", result);
// Act 2
fileProvider.DeleteFile("file.txt");
fileProvider.GetChangeToken("file.txt").HasChanged = true;
result = fileVersionProvider.AddFileVersionToPath("/wwwroot/file.txt");
// Assert 2
Assert.Equal("/wwwroot/file.txt", result);
}
