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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::BackgroundMigration::RebalancePartitionId,
:migration,
schema: 20230125093723,
feature_category: :continuous_integration do
let(:ci_builds_table) { table(:ci_builds, database: :ci) }
let(:ci_pipelines_table) { table(:ci_pipelines, database: :ci) }
let!(:valid_ci_pipeline) { ci_pipelines_table.create!(id: 1, partition_id: 100) }
let!(:invalid_ci_pipeline) { ci_pipelines_table.create!(id: 2, partition_id: 101) }
describe '#perform' do
using RSpec::Parameterized::TableSyntax
where(:table_name, :invalid_record, :valid_record) do
:ci_pipelines | invalid_ci_pipeline | valid_ci_pipeline
end
subject(:perform) do
described_class.new(
start_id: 1,
end_id: 2,
batch_table: table_name,
batch_column: :id,
sub_batch_size: 1,
pause_ms: 0,
connection: Ci::ApplicationRecord.connection
).perform
end
shared_examples 'fix invalid records' do
it 'rebalances partition_id to 100 when partition_id is 101' do
expect { perform }
.to change { invalid_record.reload.partition_id }.from(101).to(100)
.and not_change { valid_record.reload.partition_id }
end
end
with_them do
it_behaves_like 'fix invalid records'
end
end
end
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