require 'spec_helper' require Rails.root.join('db', 'migrate', '20170825104051_migrate_issues_to_ghost_user.rb') describe MigrateIssuesToGhostUser, :migration do describe '#up' do let(:projects) { table(:projects) } let(:issues) { table(:issues) } let(:users) { table(:users) } before do project = projects.create!(name: 'gitlab') user = users.create(email: 'test@example.com') issues.create(title: 'Issue 1', author_id: nil, project_id: project.id) issues.create(title: 'Issue 2', author_id: user.id, project_id: project.id) end context 'when ghost user exists' do let!(:ghost) { users.create(ghost: true, email: 'ghost@example.com') } it 'does not create a new user' do expect { schema_migrate_up! }.not_to change { User.count } end it 'migrates issues where author = nil to the ghost user' do schema_migrate_up! expect(issues.first.reload.author_id).to eq(ghost.id) end it 'does not change issues authored by an existing user' do expect { schema_migrate_up! }.not_to change { issues.second.reload.author_id} end end context 'when ghost user does not exist' do it 'creates a new user' do expect { schema_migrate_up! }.to change { User.count }.by(1) end it 'migrates issues where author = nil to the ghost user' do schema_migrate_up! expect(issues.first.reload.author_id).to eq(User.ghost.id) end it 'does not change issues authored by an existing user' do expect { schema_migrate_up! }.not_to change { issues.second.reload.author_id} end end end end