public void GetContent_CachesRemoteSourcesInFiles()
{
// Arrange
// Arbitrary permalink
const string url = "https://raw.githubusercontent.com/JeringTech/Markdig.Extensions.FlexiBlocks/6998b1c27821d8393ad39beb54f782515c39d98b/test/FlexiBlocks.Tests/exampleInclude.md";
var dummyUri = new Uri(url);
IContentRetrieverService testSubject = _serviceProvider.GetRequiredService <IContentRetrieverService>();
ReadOnlyCollection <string> expectedResult = testSubject.GetContent(dummyUri, _fixture.TempDirectory);
((IDisposable)_serviceProvider).Dispose(); // Avoid retrieving from in-memory cache
Mock <IHttpClientService> mockHttpClientService = _mockRepository.Create <IHttpClientService>();
var services = new ServiceCollection();
services.AddFlexiBlocks();
services.AddSingleton(mockHttpClientService.Object);
_serviceProvider = services.BuildServiceProvider();
testSubject = _serviceProvider.GetRequiredService <IContentRetrieverService>();
// Act
ReadOnlyCollection <string> result = testSubject.GetContent(dummyUri, _fixture.TempDirectory);
// Assert
Assert.Equal(expectedResult, result);
mockHttpClientService.Verify(h => h.GetAsync(It.IsAny <Uri>(), HttpCompletionOption.ResponseHeadersRead, default), Times.Never);
}
public void GetContent_CachesSourcesInMemory()
{
// Arrange
const string dummySource = "this\nis\na\ndummy\nsource";
var dummyUri = new Uri(_dummyFile);
using (FileStream fileStream = File.Open(_dummyFile, FileMode.Create, FileAccess.Write, FileShare.None))
{
byte[] bytes = Encoding.UTF8.GetBytes(dummySource);
fileStream.Write(bytes, 0, bytes.Length);
}
IContentRetrieverService testSubject = _serviceProvider.GetRequiredService <IContentRetrieverService>();
// Act
var threads = new List <Thread>();
var results = new ConcurrentBag <ReadOnlyCollection <string> >();
for (int i = 0; i < 3; i++)
{
var thread = new Thread(() => results.Add(testSubject.GetContent(dummyUri)));
thread.Start();
threads.Add(thread);
}
foreach (Thread thread in threads)
{
thread.Join();
}
// Assert
ReadOnlyCollection <string>[] resultsArr = results.ToArray();
Assert.Equal(3, resultsArr.Length);
Assert.Equal(dummySource.Split('\n'), resultsArr[0]);
Assert.Same(resultsArr[0], resultsArr[1]); // Result should get cached after first call
Assert.Same(resultsArr[1], resultsArr[2]); // The same relation is transitive, so we do not need to check if the item at index 0 is the same as the item at index 2
}
internal virtual void ProcessFlexiIncludeBlock(FlexiIncludeBlock flexiIncludeBlock, ProxyJsonBlock proxyJsonBlock, BlockProcessor blockProcessor)
{
// If the FlexiIncludeBlock's type is markdown, we need to ensure we don't have a cycle of includes.
bool isMarkdown = flexiIncludeBlock.Type == FlexiIncludeType.Markdown;
Stack <FlexiIncludeBlock> closingFlexiIncludeBlocks = null;
if (isMarkdown)
{
closingFlexiIncludeBlocks = GetOrCreateClosingFlexiIncludeBlocks(blockProcessor);
CheckForCycle(closingFlexiIncludeBlocks, flexiIncludeBlock);
closingFlexiIncludeBlocks.Push(flexiIncludeBlock);
}
// Retrieve source
ReadOnlyCollection <string> content = _contentRetrieverService.GetContent(flexiIncludeBlock.Source, flexiIncludeBlock.CacheDirectory);
// Parent of new blocks
ContainerBlock parentOfNewBlocks = proxyJsonBlock.Parent;
parentOfNewBlocks.Remove(proxyJsonBlock);
try
{
// Convert content into blocks and add them to parentOfNewBlocks
ProcessContent(blockProcessor, flexiIncludeBlock, parentOfNewBlocks, content);
}
catch (Exception exception)
{
// FlexiIncludeBlocks can reference sources other than the entry markdown document. If an exception is thrown while processing content from such sources,
// we must provide context. Specifically, we must specify which source and where within the source the unrecoverable situation was encountered.
throw new BlockException(flexiIncludeBlock,
string.Format(Strings.BlockException_FlexiIncludeBlockFactory_ExceptionOccurredWhileProcessingContent, flexiIncludeBlock.Source.AbsoluteUri),
exception);
}
// Remove FlexiIncludeBlock from stack used to check for cycles
if (isMarkdown)
{
closingFlexiIncludeBlocks.Pop();
}
// Add to trees if FlexiIncludeBlock is a root block
TryAddToFlexiIncludeBlockTrees(flexiIncludeBlock, blockProcessor);
}
