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# frozen_string_literal: true
require 'spec_helper'
require Rails.root.join('db', 'post_migrate', '20180723130817_delete_inconsistent_internal_id_records.rb')
describe DeleteInconsistentInternalIdRecords, :migration do
let!(:namespace) { table(:namespaces).create!(name: 'test', path: 'test') }
let!(:project1) { table(:projects).create!(namespace_id: namespace.id) }
let!(:project2) { table(:projects).create!(namespace_id: namespace.id) }
let!(:project3) { table(:projects).create!(namespace_id: namespace.id) }
let(:internal_ids) { table(:internal_ids) }
let(:internal_id_query) { ->(project) { InternalId.where(usage: InternalId.usages[scope.to_s.tableize], project_id: project.id) } }
let(:create_models) do
[project1, project2, project3].each do |project|
3.times do |i|
attributes = required_attributes.merge(project_id: project.id,
iid: i.succ)
table(scope.to_s.pluralize).create!(attributes)
end
end
end
shared_examples_for 'deleting inconsistent internal_id records' do
before do
create_models
[project1, project2, project3].each do |project|
internal_ids.create!(project_id: project.id, usage: InternalId.usages[scope.to_s.tableize], last_value: 3)
end
internal_id_query.call(project1).first.tap do |iid|
iid.last_value = iid.last_value - 2
# This is an inconsistent record
iid.save!
end
internal_id_query.call(project3).first.tap do |iid|
iid.last_value = iid.last_value + 2
# This is a consistent record
iid.save!
end
end
it "deletes inconsistent records" do
expect { migrate! }.to change { internal_id_query.call(project1).size }.from(1).to(0)
end
it "retains consistent records" do
expect { migrate! }.not_to change { internal_id_query.call(project2).size }
end
it "retains consistent records, especially those with a greater last_value" do
expect { migrate! }.not_to change { internal_id_query.call(project3).size }
end
end
context 'for issues' do
let(:scope) { :issue }
let(:required_attributes) { {} }
it_behaves_like 'deleting inconsistent internal_id records'
end
context 'for merge_requests' do
let(:scope) { :merge_request }
let(:create_models) do
[project1, project2, project3].each do |project|
3.times do |i|
table(:merge_requests).create!(
target_project_id: project.id,
source_project_id: project.id,
target_branch: 'master',
source_branch: j.to_s,
iid: i.succ
)
end
end
end
it_behaves_like 'deleting inconsistent internal_id records'
end
context 'for deployments' do
let(:scope) { :deployment }
let(:deployments) { table(:deployments) }
let(:create_models) do
3.times { |i| deployments.create!(project_id: project1.id, iid: i, environment_id: 1, ref: 'master', sha: 'a', tag: false) }
3.times { |i| deployments.create!(project_id: project2.id, iid: i, environment_id: 1, ref: 'master', sha: 'a', tag: false) }
3.times { |i| deployments.create!(project_id: project3.id, iid: i, environment_id: 1, ref: 'master', sha: 'a', tag: false) }
end
it_behaves_like 'deleting inconsistent internal_id records'
end
context 'for milestones (by project)' do
let(:scope) { :milestone }
let(:required_attributes) { { title: 'test' } }
it_behaves_like 'deleting inconsistent internal_id records'
end
context 'for ci_pipelines' do
let(:scope) { :ci_pipeline }
let(:required_attributes) { { ref: 'test' } }
it_behaves_like 'deleting inconsistent internal_id records'
end
context 'for milestones (by group)' do
# milestones (by group) is a little different than most of the other models
let(:groups) { table(:namespaces) }
let(:group1) { groups.create(name: 'Group 1', type: 'Group', path: 'group_1') }
let(:group2) { groups.create(name: 'Group 2', type: 'Group', path: 'group_2') }
let(:group3) { groups.create(name: 'Group 2', type: 'Group', path: 'group_3') }
let(:internal_id_query) { ->(group) { InternalId.where(usage: InternalId.usages['milestones'], namespace_id: group.id) } }
before do
[group1, group2, group3].each do |group|
3.times do |i|
table(:milestones).create!(
group_id: group.id,
title: 'test',
iid: i.succ
)
end
internal_ids.create!(namespace_id: group.id, usage: InternalId.usages['milestones'], last_value: 3)
end
internal_id_query.call(group1).first.tap do |iid|
iid.last_value = iid.last_value - 2
# This is an inconsistent record
iid.save!
end
internal_id_query.call(group3).first.tap do |iid|
iid.last_value = iid.last_value + 2
# This is a consistent record
iid.save!
end
end
it "deletes inconsistent records" do
expect { migrate! }.to change { internal_id_query.call(group1).size }.from(1).to(0)
end
it "retains consistent records" do
expect { migrate! }.not_to change { internal_id_query.call(group2).size }
end
it "retains consistent records, especially those with a greater last_value" do
expect { migrate! }.not_to change { internal_id_query.call(group3).size }
end
end
end
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