gitlab-org--gitlab-foss/spec/lib/gitlab/checks/matching_merge_request_spec.rb

95 lines
2.8 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Checks::MatchingMergeRequest do
describe '#match?' do
let_it_be(:newrev) { '012345678' }
let_it_be(:target_branch) { 'feature' }
let_it_be(:project) { create(:project, :repository) }
let_it_be(:locked_merge_request) do
create(:merge_request,
:locked,
source_project: project,
target_project: project,
target_branch: target_branch,
in_progress_merge_commit_sha: newrev)
end
subject { described_class.new(newrev, target_branch, project) }
let(:total_counter) { subject.send(:total_counter) }
let(:stale_counter) { subject.send(:stale_counter) }
it 'matches a merge request' do
expect(subject.match?).to be true
end
it 'does not match any merge request' do
matcher = described_class.new(newrev, 'test', project)
expect(matcher.match?).to be false
end
context 'with load balancing enabled' do
let(:session) { ::Gitlab::Database::LoadBalancing::Session.current }
let(:all_caught_up) { true }
before do
Gitlab::Database::LoadBalancing::Session.clear_session
allow(::ApplicationRecord.sticking)
.to receive(:all_caught_up?)
.and_return(all_caught_up)
expect(::ApplicationRecord.sticking)
.to receive(:select_valid_host)
.with(:project, project.id)
.and_call_original
allow(::ApplicationRecord.sticking)
.to receive(:select_caught_up_replicas)
.with(:project, project.id)
.and_return(all_caught_up)
end
after do
Gitlab::Database::LoadBalancing::Session.clear_session
end
shared_examples 'secondary that has caught up to a primary' do
it 'continues to use the secondary' do
expect(session.use_primary?).to be false
expect(subject.match?).to be true
end
it 'only increments total counter' do
expect { subject.match? }
.to change { total_counter.get }.by(1)
.and change { stale_counter.get }.by(0)
end
end
shared_examples 'secondary that is lagging primary' do
it 'sticks to the primary' do
expect(subject.match?).to be true
expect(session.use_primary?).to be true
end
it 'increments both total and stale counters' do
expect { subject.match? }
.to change { total_counter.get }.by(1)
.and change { stale_counter.get }.by(1)
end
end
it_behaves_like 'secondary that has caught up to a primary'
context 'on secondary behind primary' do
let(:all_caught_up) { false }
it_behaves_like 'secondary that is lagging primary'
end
end
end
end