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
}
/// <summary>
/// Creates a <see cref="FlexiIncludeBlockFactory"/>.
/// </summary>
/// <param name="contextObjectsService">The service for storing <see cref="FlexiIncludeBlock"/> trees.</param>
/// <param name="directoryService">The service for validating cache directories.</param>
/// <param name="optionsService">The service for creating <see cref="IFlexiIncludeBlockOptions"/> and <see cref="IFlexiIncludeBlocksExtensionOptions"/>.</param>
/// <param name="contentRetrieverService">The service that handles content retrieval.</param>
/// <param name="leadingWhitespaceEditorService">The service for editing of leading whitespace.</param>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="contextObjectsService"/> is <c>null</c>.</exception>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="directoryService"/> is <c>null</c>.</exception>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="optionsService"/> is <c>null</c>.</exception>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="contentRetrieverService"/> is <c>null</c>.</exception>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="leadingWhitespaceEditorService"/> is <c>null</c>.</exception>
public FlexiIncludeBlockFactory(IContextObjectsService contextObjectsService,
IDirectoryService directoryService,
IOptionsService <IFlexiIncludeBlockOptions, IFlexiIncludeBlocksExtensionOptions> optionsService,
IContentRetrieverService contentRetrieverService,
ILeadingWhitespaceEditorService leadingWhitespaceEditorService)
{
_contextObjectsService = contextObjectsService ?? throw new ArgumentNullException(nameof(contextObjectsService));
_directoryService = directoryService ?? throw new ArgumentNullException(nameof(directoryService));
_optionsService = optionsService ?? throw new ArgumentNullException(nameof(optionsService));
_contentRetrieverService = contentRetrieverService ?? throw new ArgumentNullException(nameof(contentRetrieverService));
_leadingWhitespaceEditorService = leadingWhitespaceEditorService ?? throw new ArgumentNullException(nameof(leadingWhitespaceEditorService));
}