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require 'spec_helper'
describe Gitlab::BackgroundMigration::CreateForkNetworkMembershipsRange, :migration, schema: 20170929131201 do
let(:migration) { described_class.new }
let(:base1) { create(:project) }
let(:base1_fork1) { create(:project) }
let(:base1_fork2) { create(:project) }
let(:base2) { create(:project) }
let(:base2_fork1) { create(:project) }
let(:base2_fork2) { create(:project) }
let(:fork_of_fork) { create(:project) }
let(:fork_of_fork2) { create(:project) }
let(:second_level_fork) { create(:project) }
let(:third_level_fork) { create(:project) }
let(:fork_network1) { fork_networks.find_by(root_project_id: base1.id) }
let(:fork_network2) { fork_networks.find_by(root_project_id: base2.id) }
let!(:forked_project_links) { table(:forked_project_links) }
let!(:fork_networks) { table(:fork_networks) }
let!(:fork_network_members) { table(:fork_network_members) }
before do
# The fork-network relation created for the forked project
fork_networks.create(id: 1, root_project_id: base1.id)
fork_network_members.create(project_id: base1.id, fork_network_id: 1)
fork_networks.create(id: 2, root_project_id: base2.id)
fork_network_members.create(project_id: base2.id, fork_network_id: 2)
# Normal fork links
forked_project_links.create(id: 1, forked_from_project_id: base1.id, forked_to_project_id: base1_fork1.id)
forked_project_links.create(id: 2, forked_from_project_id: base1.id, forked_to_project_id: base1_fork2.id)
forked_project_links.create(id: 3, forked_from_project_id: base2.id, forked_to_project_id: base2_fork1.id)
forked_project_links.create(id: 4, forked_from_project_id: base2.id, forked_to_project_id: base2_fork2.id)
# Fork links
forked_project_links.create(id: 5, forked_from_project_id: base1_fork1.id, forked_to_project_id: fork_of_fork.id)
forked_project_links.create(id: 6, forked_from_project_id: base1_fork1.id, forked_to_project_id: fork_of_fork2.id)
# Forks 3 levels down
forked_project_links.create(id: 7, forked_from_project_id: fork_of_fork.id, forked_to_project_id: second_level_fork.id)
forked_project_links.create(id: 8, forked_from_project_id: second_level_fork.id, forked_to_project_id: third_level_fork.id)
migration.perform(1, 8)
end
it 'creates a memberships for the direct forks' do
base1_fork1_membership = fork_network_members.find_by(fork_network_id: fork_network1.id,
project_id: base1_fork1.id)
base1_fork2_membership = fork_network_members.find_by(fork_network_id: fork_network1.id,
project_id: base1_fork2.id)
base2_fork1_membership = fork_network_members.find_by(fork_network_id: fork_network2.id,
project_id: base2_fork1.id)
base2_fork2_membership = fork_network_members.find_by(fork_network_id: fork_network2.id,
project_id: base2_fork2.id)
expect(base1_fork1_membership.forked_from_project_id).to eq(base1.id)
expect(base1_fork2_membership.forked_from_project_id).to eq(base1.id)
expect(base2_fork1_membership.forked_from_project_id).to eq(base2.id)
expect(base2_fork2_membership.forked_from_project_id).to eq(base2.id)
end
it 'adds the fork network members for forks of forks' do
fork_of_fork_membership = fork_network_members.find_by(project_id: fork_of_fork.id,
fork_network_id: fork_network1.id)
fork_of_fork2_membership = fork_network_members.find_by(project_id: fork_of_fork2.id,
fork_network_id: fork_network1.id)
second_level_fork_membership = fork_network_members.find_by(project_id: second_level_fork.id,
fork_network_id: fork_network1.id)
third_level_fork_membership = fork_network_members.find_by(project_id: third_level_fork.id,
fork_network_id: fork_network1.id)
expect(fork_of_fork_membership.forked_from_project_id).to eq(base1_fork1.id)
expect(fork_of_fork2_membership.forked_from_project_id).to eq(base1_fork1.id)
expect(second_level_fork_membership.forked_from_project_id).to eq(fork_of_fork.id)
expect(third_level_fork_membership.forked_from_project_id).to eq(second_level_fork.id)
end
it 'reschedules itself when there are missing members' do
allow(migration).to receive(:missing_members?).and_return(true)
expect(BackgroundMigrationWorker)
.to receive(:perform_in).with(described_class::RESCHEDULE_DELAY, "CreateForkNetworkMembershipsRange", [1, 3])
migration.perform(1, 3)
end
it 'can be repeated without effect' do
expect { fork_network_members.count }.not_to change { migration.perform(1, 7) }
end
it 'knows it is finished for this range' do
expect(migration.missing_members?(1, 7)).to be_falsy
end
context 'with more forks' do
before do
forked_project_links.create(id: 9, forked_from_project_id: fork_of_fork.id, forked_to_project_id: create(:project).id)
forked_project_links.create(id: 10, forked_from_project_id: fork_of_fork.id, forked_to_project_id: create(:project).id)
end
it 'only processes a single batch of links at a time' do
expect(fork_network_members.count).to eq(10)
migration.perform(8, 10)
expect(fork_network_members.count).to eq(12)
end
it 'knows when not all memberships withing a batch have been created' do
expect(migration.missing_members?(8, 10)).to be_truthy
end
end
end
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