99 lines
3.4 KiB
Ruby
99 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Checks::MatchingMergeRequest do
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describe '#match?' do
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let_it_be(:newrev) { '012345678' }
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let_it_be(:target_branch) { 'feature' }
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let_it_be(:project) { create(:project, :repository) }
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let_it_be(:locked_merge_request) do
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create(:merge_request,
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:locked,
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source_project: project,
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target_project: project,
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target_branch: target_branch,
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in_progress_merge_commit_sha: newrev)
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end
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subject { described_class.new(newrev, target_branch, project) }
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let(:total_counter) { subject.send(:total_counter) }
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let(:stale_counter) { subject.send(:stale_counter) }
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it 'matches a merge request' do
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expect(subject.match?).to be true
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end
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it 'does not match any merge request' do
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matcher = described_class.new(newrev, 'test', project)
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expect(matcher.match?).to be false
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end
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context 'with load balancing disabled', :request_store, :redis do
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before do
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expect(::Gitlab::Database::LoadBalancing).to receive(:enable?).at_least(:once).and_return(false)
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expect(::Gitlab::Database::LoadBalancing::Sticking).not_to receive(:unstick_or_continue_sticking)
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expect(::Gitlab::Database::LoadBalancing::Sticking).not_to receive(:select_valid_replicas)
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end
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it 'does not attempt to stick to primary' do
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expect(subject.match?).to be true
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end
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it 'increments no counters' do
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expect { subject.match? }
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.to change { total_counter.get }.by(0)
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.and change { stale_counter.get }.by(0)
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end
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end
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context 'with load balancing enabled', :request_store, :redis do
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let(:session) { ::Gitlab::Database::LoadBalancing::Session.current }
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let(:all_caught_up) { true }
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before do
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expect(::Gitlab::Database::LoadBalancing).to receive(:enable?).at_least(:once).and_return(true)
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allow(::Gitlab::Database::LoadBalancing::Sticking).to receive(:all_caught_up?).and_return(all_caught_up)
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expect(::Gitlab::Database::LoadBalancing::Sticking).to receive(:select_valid_host).with(:project, project.id).and_call_original
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allow(::Gitlab::Database::LoadBalancing::Sticking).to receive(:select_caught_up_replicas).with(:project, project.id).and_return(all_caught_up)
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end
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shared_examples 'secondary that has caught up to a primary' do
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it 'continues to use the secondary' do
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expect(session.use_primary?).to be false
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expect(subject.match?).to be true
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end
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it 'only increments total counter' do
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expect { subject.match? }
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.to change { total_counter.get }.by(1)
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.and change { stale_counter.get }.by(0)
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end
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end
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shared_examples 'secondary that is lagging primary' do
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it 'sticks to the primary' do
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expect(subject.match?).to be true
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expect(session.use_primary?).to be true
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end
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it 'increments both total and stale counters' do
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expect { subject.match? }
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.to change { total_counter.get }.by(1)
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.and change { stale_counter.get }.by(1)
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end
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end
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it_behaves_like 'secondary that has caught up to a primary'
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context 'on secondary behind primary' do
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let(:all_caught_up) { false }
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it_behaves_like 'secondary that is lagging primary'
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end
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end
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end
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end
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