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Prefer object.cache_key when available.

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This commit is contained in:
Benjamin Fleischer
2016-03-31 13:57:38 -05:00
parent ab6bd600e3
commit 4ba4c298ec
6 changed files with 55 additions and 76 deletions
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69
test/cache_test.rb
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@@ -96,26 +96,27 @@ module ActiveModelSerializers
assert_equal(nil, @comment_serializer.class._cache_key)
end
def test_error_is_raised_if_cache_key_is_not_defined_on_object_or_passed_as_cache_option
article = Article.new(title: 'Must Read')
assert_raises ActiveModel::Serializer::Adapter::CachedSerializer::UndefinedCacheKey do
render_object_with_cache(article)
end
end
def test_cache_key_interpolation_with_updated_at_when_cache_key_is_not_defined_on_object
uncached_author = UncachedAuthor.new(name: 'Joao M. D. Moura')
uncached_author_serializer = AuthorSerializer.new(uncached_author)
render_object_with_cache(uncached_author)
key = cache_key_with_adapter("#{uncached_author_serializer.class._cache_key}/#{uncached_author_serializer.object.id}-#{uncached_author_serializer.object.updated_at.strftime("%Y%m%d%H%M%S%9N")}")
assert_equal(uncached_author_serializer.attributes.to_json, ActionController::Base.cache_store.fetch(key).to_json)
key = "#{uncached_author_serializer.class._cache_key}/#{uncached_author_serializer.object.id}-#{uncached_author_serializer.object.updated_at.strftime("%Y%m%d%H%M%S%9N")}"
assert_equal(uncached_author_serializer.attributes.to_json, cache_store.fetch(key).to_json)
end
def test_default_cache_key_fallback
render_object_with_cache(@comment)
assert_equal(@comment_serializer.attributes.to_json, ActionController::Base.cache_store.fetch(cache_key_with_adapter(@comment.cache_key)).to_json)
key = @comment.cache_key
assert_equal(@comment_serializer.attributes.to_json, cache_store.fetch(key).to_json)
end
def test_error_is_raised_if_cache_key_is_not_defined_on_object_or_passed_as_cache_option
article = Article.new(title: 'Must Read')
e = assert_raises ActiveModelSerializers::CachedSerializer::UndefinedCacheKey do
render_object_with_cache(article)
end
assert_match(/ActiveModelSerializers::CacheTest::Article must define #cache_key, or the 'key:' option must be passed into 'CachedActiveModelSerializers_CacheTest_ArticleSerializer.cache'/, e.message)
end
def test_cache_options_definition
@@ -137,8 +138,10 @@ module ActiveModelSerializers
Timecop.freeze(Time.current) do
render_object_with_cache(@post)
assert_equal(@post_serializer.attributes, ActionController::Base.cache_store.fetch(cache_key_with_adapter(@post.cache_key)))
assert_equal(@comment_serializer.attributes, ActionController::Base.cache_store.fetch(cache_key_with_adapter(@comment.cache_key)))
key = @post.cache_key
assert_equal(@post_serializer.attributes, cache_store.fetch(key))
key = @comment.cache_key
assert_equal(@comment_serializer.attributes, cache_store.fetch(key))
end
end
@@ -148,9 +151,10 @@ module ActiveModelSerializers
render_object_with_cache(@post)
# Check if it cached the objects separately
assert_equal(@post_serializer.attributes, ActionController::Base.cache_store.fetch(cache_key_with_adapter(@post.cache_key)))
assert_equal(@comment_serializer.attributes, ActionController::Base.cache_store.fetch(cache_key_with_adapter(@comment.cache_key)))
key = @post.cache_key
assert_equal(@post_serializer.attributes, cache_store.fetch(key))
key = @comment.cache_key
assert_equal(@comment_serializer.attributes, cache_store.fetch(key))
# Simulating update on comments relationship with Post
new_comment = Comment.new(id: 2567, body: 'ZOMG A NEW COMMENT')
@@ -161,8 +165,10 @@ module ActiveModelSerializers
render_object_with_cache(@post)
# Check if the the new comment was cached
assert_equal(new_comment_serializer.attributes, ActionController::Base.cache_store.fetch(cache_key_with_adapter(new_comment.cache_key)))
assert_equal(@post_serializer.attributes, ActionController::Base.cache_store.fetch(cache_key_with_adapter(@post.cache_key)))
key = new_comment.cache_key
assert_equal(new_comment_serializer.attributes, cache_store.fetch(key))
key = @post.cache_key
assert_equal(@post_serializer.attributes, cache_store.fetch(key))
end
end
@@ -177,7 +183,7 @@ module ActiveModelSerializers
hash = render_object_with_cache(@location)
assert_equal(hash, expected_result)
assert_equal({ place: 'Nowhere' }, ActionController::Base.cache_store.fetch(cache_key_with_adapter(@location.cache_key)))
assert_equal({ place: 'Nowhere' }, cache_store.fetch(@location.cache_key))
end
def test_fragment_cache_with_inheritance
@@ -188,18 +194,14 @@ module ActiveModelSerializers
refute_includes(base.keys, :special_attribute)
end
def test_uses_adapter_in_cache_key
render_object_with_cache(@post)
assert_equal(@post_serializer.attributes, ActionController::Base.cache_store.fetch("#{@post.cache_key}/#{adapter.class.to_s.demodulize.underscore}"))
end
def test_uses_file_digest_in_cache_key
render_object_with_cache(@blog)
assert_equal(@blog_serializer.attributes, ActionController::Base.cache_store.fetch("#{cache_key_with_adapter(@blog.cache_key)}/#{@blog.class::FILE_DIGEST}"))
key = "#{@blog.cache_key}/#{::Model::FILE_DIGEST}"
assert_equal(@blog_serializer.attributes, cache_store.fetch(key))
end
def test_cache_digest_definition
assert_equal(FILE_DIGEST, @post_serializer.class._cache_digest)
assert_equal(::Model::FILE_DIGEST, @post_serializer.class._cache_digest)
end
def test_object_cache_keys
@@ -211,7 +213,7 @@ module ActiveModelSerializers
assert_equal actual.size, 3
assert actual.any? { |key| key == 'comment/1' }
assert actual.any? { |key| key =~ %r{post/post-\d+} }
assert actual.any? { |key| key =~ %r{writer/author-\d+} }
assert actual.any? { |key| key =~ %r{author/author-\d+} }
end
def test_cached_attributes
@@ -228,7 +230,7 @@ module ActiveModelSerializers
assert_equal cached_attributes[@comment.post.cache_key], Post.new(id: 'post', title: 'New Post', body: 'Body').attributes
writer = @comment.post.blog.writer
writer_cache_key = "writer/#{writer.id}-#{writer.updated_at.strftime("%Y%m%d%H%M%S%9N")}"
writer_cache_key = writer.cache_key
assert_equal cached_attributes[writer_cache_key], Author.new(id: 'author', name: 'Joao M. D. Moura').attributes
end
@@ -286,16 +288,7 @@ module ActiveModelSerializers
private
def render_object_with_cache(obj, options = {})
@serializable_resource = serializable(obj, options).serializable_hash
@serializable_resource.serializable_hash
end
def adapter
@serializable_resource.adapter
end
def cache_key_with_adapter(key)
"#{key}/#{adapter.name.underscore}"
serializable(obj, options).serializable_hash
end
def cache_store

10
test/fixtures/poro.rb vendored
View File

@@ -1,6 +1,8 @@
verbose = $VERBOSE
$VERBOSE = nil
class Model < ActiveModelSerializers::Model
FILE_DIGEST = Digest::MD5.hexdigest(File.open(__FILE__).read)
### Helper methods, not required to be serializable
# Convenience when not adding @attributes readers and writers
@@ -52,13 +54,7 @@ Post = Class.new(Model)
Like = Class.new(Model)
Author = Class.new(Model)
Bio = Class.new(Model)
Blog = Class.new(Model) do
FILE_DIGEST = Digest::MD5.hexdigest(File.open(__FILE__).read)
def digest
FILE_DIGEST
end
end
Blog = Class.new(Model)
Role = Class.new(Model)
User = Class.new(Model)
Location = Class.new(Model)