Commit dc551581 authored by Jan Provaznik's avatar Jan Provaznik

Use serialize_keys as part of highlight diff cache

This assures that old cache is not used if we change format of
cached data.
parent 4c1a2a9b
---
title: Invalidate merge request diffs cache if diff data change.
merge_request:
author:
type: fixed
...@@ -34,7 +34,7 @@ module Gitlab ...@@ -34,7 +34,7 @@ module Gitlab
end end
def cache_key def cache_key
[@merge_request_diff, 'highlighted-diff-files', diff_options] [@merge_request_diff, 'highlighted-diff-files', Gitlab::Diff::Line::SERIALIZE_KEYS, diff_options]
end end
private private
......
module Gitlab module Gitlab
module Diff module Diff
class Line class Line
SERIALIZE_KEYS = %i(line_code text type index old_pos new_pos).freeze
attr_reader :line_code, :type, :index, :old_pos, :new_pos attr_reader :line_code, :type, :index, :old_pos, :new_pos
attr_writer :rich_text attr_writer :rich_text
attr_accessor :text attr_accessor :text
...@@ -19,13 +21,9 @@ module Gitlab ...@@ -19,13 +21,9 @@ module Gitlab
new(hash[:text], hash[:type], hash[:index], hash[:old_pos], hash[:new_pos], line_code: hash[:line_code]) new(hash[:text], hash[:type], hash[:index], hash[:old_pos], hash[:new_pos], line_code: hash[:line_code])
end end
def serialize_keys
@serialize_keys ||= %i(line_code text type index old_pos new_pos)
end
def to_hash def to_hash
hash = {} hash = {}
serialize_keys.each { |key| hash[key] = send(key) } # rubocop:disable GitlabSecurity/PublicSend SERIALIZE_KEYS.each { |key| hash[key] = send(key) } # rubocop:disable GitlabSecurity/PublicSend
hash hash
end end
......
...@@ -20,6 +20,15 @@ describe Gitlab::Diff::FileCollection::MergeRequestDiff do ...@@ -20,6 +20,15 @@ describe Gitlab::Diff::FileCollection::MergeRequestDiff do
diff_files diff_files
end end
it 'it uses a different cache key if diff line keys change' do
mr_diff = described_class.new(merge_request.merge_request_diff, diff_options: nil)
key = mr_diff.cache_key
stub_const('Gitlab::Diff::Line::SERIALIZE_KEYS', [:foo])
expect(mr_diff.cache_key).not_to eq(key)
end
shared_examples 'initializes a DiffCollection' do shared_examples 'initializes a DiffCollection' do
it 'returns a valid instance of a DiffCollection' do it 'returns a valid instance of a DiffCollection' do
expect(diff_files).to be_a(Gitlab::Git::DiffCollection) expect(diff_files).to be_a(Gitlab::Git::DiffCollection)
......
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