gitlab-ce/spec/lib/gitlab/github_import/milestone_finder_spec.rb

80 lines
2.3 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::GithubImport::MilestoneFinder, :clean_gitlab_redis_shared_state, feature_category: :importers do
let_it_be(:project) { create(:project) }
let_it_be(:milestone) { create(:milestone, project: project) }
let(:finder) { described_class.new(project) }
describe '#id_for' do
let(:issuable) { double(:issuable, milestone_number: milestone.iid) }
context 'with a cache in place' do
before do
finder.build_cache
end
it 'returns the milestone ID of the given issuable' do
expect(finder.id_for(issuable)).to eq(milestone.id)
end
it 'returns nil if object does not exist' do
missing_issuable = double(:issuable, milestone_number: 999)
expect(finder.id_for(missing_issuable)).to be_nil
end
it 'fetches object id from database if not in cache' do
key = finder.cache_key_for(milestone.iid)
Gitlab::Cache::Import::Caching.write(key, '')
expect(finder.id_for(issuable)).to eq(milestone.id)
end
it 'returns nil for an issuable with a non-existing milestone' do
expect(finder.id_for(double(:issuable, milestone_number: 5))).to be_nil
end
it 'returns nil and skips database read if cache has no record' do
key = finder.cache_key_for(milestone.iid)
Gitlab::Cache::Import::Caching.write(key, -1)
expect(finder.id_for(issuable)).to be_nil
end
end
context 'without a cache in place' do
it 'caches the ID of a database row and returns the ID' do
expect(Gitlab::Cache::Import::Caching)
.to receive(:write)
.with("github-import/milestone-finder/#{project.id}/1", milestone.id)
.and_call_original
expect(finder.id_for(issuable)).to eq(milestone.id)
end
end
end
describe '#build_cache' do
it 'builds the cache of all project milestones' do
expect(Gitlab::Cache::Import::Caching)
.to receive(:write_multiple)
.with({ "github-import/milestone-finder/#{project.id}/1" => milestone.id })
.and_call_original
finder.build_cache
end
end
describe '#cache_key_for' do
it 'returns the cache key for an IID' do
expect(finder.cache_key_for(10))
.to eq("github-import/milestone-finder/#{project.id}/10")
end
end
end