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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe ReleaseHighlight, :clean_gitlab_redis_cache do
let(:fixture_dir_glob) { Dir.glob(File.join('spec', 'fixtures', 'whats_new', '*.yml')).grep(/\d*\_(\d*\_\d*)\.yml$/) }
before do
allow(Dir).to receive(:glob).with(Rails.root.join('data', 'whats_new', '*.yml')).and_return(fixture_dir_glob)
end
after do
ReleaseHighlight.instance_variable_set(:@file_paths, nil)
end
describe '.paginated' do
let(:dot_com) { false }
before do
allow(Gitlab).to receive(:com?).and_return(dot_com)
end
context 'with page param' do
subject { ReleaseHighlight.paginated(page: page) }
context 'when there is another page of results' do
let(:page) { 2 }
it 'responds with paginated results' do
expect(subject[:items].first['title']).to eq('bright')
expect(subject[:next_page]).to eq(3)
end
end
context 'when there is NOT another page of results' do
let(:page) { 3 }
it 'responds with paginated results and no next_page' do
expect(subject[:items].first['title']).to eq("It's gonna be a bright")
expect(subject[:next_page]).to eq(nil)
end
end
context 'when that specific page does not exist' do
let(:page) { 84 }
it 'returns nil' do
expect(subject).to be_nil
end
end
end
context 'with no page param' do
subject { ReleaseHighlight.paginated }
it 'uses multiple levels of cache' do
expect(Rails.cache).to receive(:fetch).with("release_highlight:items:page-1:#{Gitlab.revision}", { expires_in: described_class::CACHE_DURATION }).and_call_original
expect(Rails.cache).to receive(:fetch).with("release_highlight:file_paths:#{Gitlab.revision}", { expires_in: described_class::CACHE_DURATION }).and_call_original
subject
end
it 'returns platform specific items' do
expect(subject[:items].count).to eq(1)
expect(subject[:items].first['title']).to eq("bright and sunshinin' day")
expect(subject[:next_page]).to eq(2)
end
it 'parses the body as markdown and returns html' do
expect(subject[:items].first['body']).to match("<h2 id=\"bright-and-sunshinin-day\">bright and sunshinin’ day</h2>")
end
it 'logs an error if theres an error parsing markdown for an item, and skips it' do
allow(Kramdown::Document).to receive(:new).and_raise
expect(Gitlab::ErrorTracking).to receive(:track_exception)
expect(subject[:items]).to be_empty
end
context 'when Gitlab.com' do
let(:dot_com) { true }
it 'responds with a different set of data' do
expect(subject[:items].count).to eq(1)
expect(subject[:items].first['title']).to eq("I think I can make it now the pain is gone")
end
end
context 'YAML parsing throws an exception' do
it 'fails gracefully and logs an error' do
allow(YAML).to receive(:safe_load).and_raise(Psych::Exception)
expect(Gitlab::ErrorTracking).to receive(:track_exception)
expect(subject).to be_nil
end
end
end
end
describe '.most_recent_item_count' do
subject { ReleaseHighlight.most_recent_item_count }
it 'uses process memory cache' do
expect(Gitlab::ProcessMemoryCache.cache_backend).to receive(:fetch).with("release_highlight:recent_item_count:#{Gitlab.revision}", expires_in: described_class::CACHE_DURATION)
subject
end
context 'when recent release items exist' do
it 'returns the count from the most recent file' do
allow(ReleaseHighlight).to receive(:paginated).and_return(double(:paginated, items: [double(:item)]))
expect(subject).to eq(1)
end
end
context 'when recent release items do NOT exist' do
it 'returns nil' do
allow(ReleaseHighlight).to receive(:paginated).and_return(nil)
expect(subject).to be_nil
end
end
end
describe '.most_recent_version_digest' do
subject { ReleaseHighlight.most_recent_version_digest }
it 'uses process memory cache' do
expect(Gitlab::ProcessMemoryCache.cache_backend).to receive(:fetch).with("release_highlight:most_recent_version_digest:#{Gitlab.revision}", expires_in: described_class::CACHE_DURATION)
subject
end
context 'when recent release items exist' do
it 'returns a digest from the release of the first item of the most recent file' do
# this value is coming from fixture data
expect(subject).to eq(Digest::SHA256.hexdigest('01.05'))
end
end
context 'when recent release items do NOT exist' do
it 'returns nil' do
allow(ReleaseHighlight).to receive(:paginated).and_return(nil)
expect(subject).to be_nil
end
end
end
describe 'QueryResult' do
subject { ReleaseHighlight::QueryResult.new(items: items, next_page: 2) }
let(:items) { [:item] }
it 'responds to map' do
expect(subject.map(&:to_s)).to eq(items.map(&:to_s))
end
end
end
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