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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::BackgroundMigration::RemoveSelfManagedWikiNotes, :migration, schema: 20220601110011 do
let(:notes) { table(:notes) }
subject(:perform_migration) do
described_class.new(
start_id: 1,
end_id: 30,
batch_table: :notes,
batch_column: :id,
sub_batch_size: 2,
pause_ms: 0,
connection: ActiveRecord::Base.connection
).perform
end
it 'removes all wiki notes' do
notes.create!(id: 2, note: 'Commit note', noteable_type: 'Commit')
notes.create!(id: 10, note: 'Issue note', noteable_type: 'Issue')
notes.create!(id: 20, note: 'Wiki note', noteable_type: 'Wiki')
notes.create!(id: 30, note: 'MergeRequest note', noteable_type: 'MergeRequest')
expect(notes.where(noteable_type: 'Wiki').size).to eq(1)
expect { perform_migration }.to change(notes, :count).by(-1)
expect(notes.where(noteable_type: 'Wiki').size).to eq(0)
end
end
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