require 'spec_helper' describe ShaAttribute do let(:model) { Class.new { include ShaAttribute } } before do columns = [ double(:column, name: 'name', type: :text), double(:column, name: 'sha1', type: :binary) ] allow(model).to receive(:columns).and_return(columns) end describe '#sha_attribute' do context 'when in non-production' do before do allow(Rails.env).to receive(:production?).and_return(false) end context 'when the table exists' do before do allow(model).to receive(:table_exists?).and_return(true) end it 'defines a SHA attribute for a binary column' do expect(model).to receive(:attribute) .with(:sha1, an_instance_of(Gitlab::Database::ShaAttribute)) model.sha_attribute(:sha1) end it 'raises ArgumentError when the column type is not :binary' do expect { model.sha_attribute(:name) }.to raise_error(ArgumentError) end end context 'when the table does not exist' do it 'allows the attribute to be added and issues a warning' do allow(model).to receive(:table_exists?).and_return(false) expect(model).not_to receive(:columns) expect(model).to receive(:attribute) expect(model).to receive(:warn) model.sha_attribute(:name) end end context 'when the column does not exist' do it 'allows the attribute to be added and issues a warning' do allow(model).to receive(:table_exists?).and_return(true) expect(model).to receive(:columns) expect(model).to receive(:attribute) expect(model).to receive(:warn) model.sha_attribute(:no_name) end end context 'when other execeptions are raised' do it 'logs and re-rasises the error' do allow(model).to receive(:table_exists?).and_raise(ActiveRecord::NoDatabaseError.new('does not exist')) expect(model).not_to receive(:columns) expect(model).not_to receive(:attribute) expect(Gitlab::AppLogger).to receive(:error) expect { model.sha_attribute(:name) }.to raise_error(ActiveRecord::NoDatabaseError) end end end context 'when in production' do before do allow(Rails.env).to receive(:production?).and_return(true) end it 'defines a SHA attribute' do expect(model).not_to receive(:table_exists?) expect(model).not_to receive(:columns) expect(model).to receive(:attribute).with(:sha1, an_instance_of(Gitlab::Database::ShaAttribute)) model.sha_attribute(:sha1) end end end end