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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Database::Migrations::TimeoutHelpers do
let(:model) do
ActiveRecord::Migration.new.extend(described_class)
end
describe '#disable_statement_timeout' do
it 'disables statement timeouts to current transaction only' do
expect(model).to receive(:execute).with('SET LOCAL statement_timeout TO 0')
model.disable_statement_timeout
end
# this specs runs without an enclosing transaction (:delete truncation method for db_cleaner)
context 'with real environment', :delete do
before do
model.execute("SET statement_timeout TO '20000'")
end
after do
model.execute('RESET statement_timeout')
end
it 'defines statement to 0 only for current transaction' do
expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('20s')
model.connection.transaction do
model.disable_statement_timeout
expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('0')
end
expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('20s')
end
context 'when passing a blocks' do
it 'disables statement timeouts on session level and executes the block' do
expect(model).to receive(:execute).with('SET statement_timeout TO 0')
expect(model).to receive(:execute).with('RESET statement_timeout').at_least(:once)
expect { |block| model.disable_statement_timeout(&block) }.to yield_control
end
# this specs runs without an enclosing transaction (:delete truncation method for db_cleaner)
context 'with real environment', :delete do
before do
model.execute("SET statement_timeout TO '20000'")
end
after do
model.execute('RESET statement_timeout')
end
it 'defines statement to 0 for any code run inside the block' do
expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('20s')
model.disable_statement_timeout do
model.connection.transaction do
expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('0')
end
expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('0')
end
end
end
end
end
# This spec runs without an enclosing transaction (:delete truncation method for db_cleaner)
context 'when the statement_timeout is already disabled', :delete do
before do
ActiveRecord::Migration.connection.execute('SET statement_timeout TO 0')
end
after do
# Use ActiveRecord::Migration.connection instead of model.execute
# so that this call is not counted below
ActiveRecord::Migration.connection.execute('RESET statement_timeout')
end
it 'yields control without disabling the timeout or resetting' do
expect(model).not_to receive(:execute).with('SET statement_timeout TO 0')
expect(model).not_to receive(:execute).with('RESET statement_timeout')
expect { |block| model.disable_statement_timeout(&block) }.to yield_control
end
end
end
end
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