public void GetTagFile_NormalInput_ReturnsTagFile()
{
// Arrange
TagFileS3Access fakeTagFileS3Access = new TagFileS3Access();
var fakeS3Client = Substitute.For <IMyAmazonS3Client>();
fakeTagFileS3Access.S3Client = fakeS3Client;
var getObjectRequest = S3AccessTests.GetGetObjectRequest("test", "test");
// we write some fake content to the stream
string expectedTagFile = "scripture-1\ntheology-1\nfun-1,2\nbunny-2\npaul-2";
GetObjectResponse fakeResponse = WriteContentToStream(expectedTagFile);
fakeS3Client.GetObjectAsync(getObjectRequest, default(System.Threading.CancellationToken)).ReturnsForAnyArgs(fakeResponse);
// Act
var response = fakeTagFileS3Access.GetTagFile();
response.Wait();
TagFile result = response.Result;
// Assert
// I'm generally not a fan of multiple assertions, but I am drawing a blank here
Assert.That(result != null);
Assert.That(result.Count == 5);
Assert.That(result.GetIdsFromTag("fun").Count == 2);
}
/// <summary>
/// Entry point for the BlogPost Handler.
/// </summary>
/// <param name="blogPost">The Incoming BlogPost</param>
/// <param name="context">The Lambda event context</param>
/// <returns></returns>
public BlogPost FunctionHandler(BlogPost blogPost, ILambdaContext context)
{
// not using a separate logic layer because this _is_ the logic layer
LambdaLogger.Log("BlogPostHandler Lambda Started");
// Config/Initialization
EnvironmentHandler env = EnvironmentHandler.GetEnvironmentHandler();
string bucketName = env.GetVariable("BucketName");
string bucketRegionString = env.GetVariable("BucketRegion");
string postsDirectory = env.GetVariable("PostsDirectory");
string imagesDirectory = env.GetVariable("ImagesDirectory");
string metaDirectory = env.GetVariable("MetaDirectory");
// get blog post
BlogPostS3Access blogPostAccess = new BlogPostS3Access(bucketName, bucketRegionString);
blogPostAccess.Logger = context.Logger;
var blogPostResponse = blogPostAccess.GetBlogPost(blogPost);
blogPostResponse.Wait();
blogPost = blogPostResponse.Result;
if (blogPost.Metadata != null)
{
// get related posts
TagFileS3Access tagFileAccess = new TagFileS3Access();
tagFileAccess.Logger = context.Logger;
var relatedPostsResponse = tagFileAccess.GetBlogPostIdsFromTags(blogPost.Metadata.Tags);
relatedPostsResponse.Wait();
blogPost.RelatedPosts = relatedPostsResponse.Result;
// remove all related posts which are the current post
blogPost.RelatedPosts.RemoveAll(b => b.Id == blogPost.Id);
// populate related posts objects
for (int i = 0; i < blogPost.RelatedPosts.Count; i++)
{
var relatedPostResponse = blogPostAccess.GetBlogPost(blogPost.RelatedPosts[i]);
relatedPostResponse.Wait();
blogPost.RelatedPosts[i] = relatedPostResponse.Result;
// remove Markdown identifiers in the teaser content text, as it shows up
// as a related post
blogPost.RelatedPosts[i].Content = StringHelper.StripMarkdownIdentifiers(blogPost.RelatedPosts[i].Content);
}
}
else
{
return(null);
}
return(blogPost);
}
public void GetTagFile_MalformedTagFiles_ThrowsException(string malformedTagFile)
{
// Arrange
TagFileS3Access access = new TagFileS3Access();
var fakeS3Client = Substitute.For <IMyAmazonS3Client>();
access.S3Client = fakeS3Client;
var getObjectRequest = S3AccessTests.GetGetObjectRequest("test", "test");
GetObjectResponse fakeResponse = WriteContentToStream(malformedTagFile);
fakeS3Client.GetObjectAsync(getObjectRequest, default(System.Threading.CancellationToken)).ReturnsForAnyArgs(fakeResponse);
// Act/Assert
Assert.ThrowsAsync <TagFileException>(() => access.GetTagFile());
}