106 lines
3 KiB
Ruby
106 lines
3 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe AtomicInternalId do
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let(:milestone) { build(:milestone) }
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let(:iid) { double('iid', to_i: 42) }
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let(:external_iid) { 100 }
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let(:scope_attrs) { { project: milestone.project } }
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let(:usage) { :milestones }
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describe '#save!' do
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context 'when IID is provided' do
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before do
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milestone.iid = external_iid
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end
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it 'tracks the value' do
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expect(milestone).to receive(:track_project_iid!)
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milestone.save!
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end
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context 'when importing' do
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before do
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milestone.importing = true
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end
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it 'does not track the value' do
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expect(milestone).not_to receive(:track_project_iid!)
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milestone.save!
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end
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end
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end
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end
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describe '#track_project_iid!' do
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subject { milestone.track_project_iid! }
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it 'tracks the present value' do
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milestone.iid = external_iid
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expect(InternalId).to receive(:track_greatest).once.with(milestone, scope_attrs, usage, external_iid, anything)
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expect(InternalId).not_to receive(:generate_next)
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subject
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end
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context 'when value is set by ensure_project_iid!' do
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it 'does not track the value' do
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expect(InternalId).not_to receive(:track_greatest)
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milestone.ensure_project_iid!
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subject
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end
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it 'tracks the iid for the scope that is actually present' do
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milestone.iid = external_iid
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expect(InternalId).to receive(:track_greatest).once.with(milestone, scope_attrs, usage, external_iid, anything)
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expect(InternalId).not_to receive(:generate_next)
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# group scope is not present here, the milestone does not have a group
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milestone.track_group_iid!
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subject
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end
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end
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end
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describe '#ensure_project_iid!' do
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subject { milestone.ensure_project_iid! }
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it 'generates a new value if non is present' do
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expect(InternalId).to receive(:generate_next).with(milestone, scope_attrs, usage, anything).and_return(iid)
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expect { subject }.to change { milestone.iid }.from(nil).to(iid.to_i)
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end
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it 'generates a new value if first set with iid= but later set to nil' do
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expect(InternalId).to receive(:generate_next).with(milestone, scope_attrs, usage, anything).and_return(iid)
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milestone.iid = external_iid
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milestone.iid = nil
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expect { subject }.to change { milestone.iid }.from(nil).to(iid.to_i)
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end
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end
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describe '.with_project_iid_supply' do
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let(:iid) { 100 }
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it 'wraps generate and track_greatest in a concurrency-safe lock' do
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expect_next_instance_of(InternalId::InternalIdGenerator) do |g|
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expect(g).to receive(:with_lock).and_call_original
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expect(g.record).to receive(:last_value).and_return(iid)
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expect(g).to receive(:track_greatest).with(iid + 4)
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end
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::Milestone.with_project_iid_supply(milestone.project) do |supply|
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4.times { supply.next_value }
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end
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end
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end
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end
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