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# frozen_string_literal: true
require 'spec_helper'
require Rails.root.join('db', 'post_migrate', '20180906051323_remove_orphaned_label_links.rb')
describe RemoveOrphanedLabelLinks, :migration do
let(:label_links) { table(:label_links) }
let(:labels) { table(:labels) }
let(:project) { create(:project) } # rubocop:disable RSpec/FactoriesInMigrationSpecs
let(:label) { create_label }
before do
# This migration was created before we introduced ProjectCiCdSetting#default_git_depth
allow_any_instance_of(ProjectCiCdSetting).to receive(:default_git_depth).and_return(nil)
allow_any_instance_of(ProjectCiCdSetting).to receive(:default_git_depth=).and_return(0)
end
context 'add foreign key on label_id' do
let!(:label_link_with_label) { create_label_link(label_id: label.id) }
let!(:label_link_without_label) { create_label_link(label_id: nil) }
it 'removes orphaned labels without corresponding label' do
expect { migrate! }.to change { LabelLink.count }.from(2).to(1)
end
it 'does not remove entries with valid label_id' do
expect { migrate! }.not_to change { label_link_with_label.reload }
end
end
def create_label(**opts)
labels.create!(
project_id: project.id,
**opts
)
end
def create_label_link(**opts)
label_links.create!(
target_id: 1,
target_type: 'Issue',
**opts
)
end
end
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