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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Backup::Dump::Postgres, feature_category: :backup_restore do
describe '#dump' do
let(:pg_database) { 'gitlabhq_test' }
let(:destination_dir) { Dir.mktmpdir }
let(:db_file_name) { File.join(destination_dir, 'output.gz') }
let(:pipes) { IO.pipe }
let(:gzip_pid) { spawn('gzip -c -1', in: pipes[0], out: [db_file_name, 'w', 0o600]) }
let(:pg_dump_pid) { Process.spawn('pg_dump', *args, pg_database, out: pipes[1]) }
let(:args) { ['--help'] }
subject { described_class.new }
before do
allow(IO).to receive(:pipe).and_return(pipes)
end
after do
FileUtils.remove_entry destination_dir
end
it 'creates gzipped dump using supplied arguments' do
expect(subject).to receive(:spawn).with('gzip -c -1', in: pipes.first,
out: [db_file_name, 'w', 0o600]).and_return(gzip_pid)
expect(Process).to receive(:spawn).with('pg_dump', *args, pg_database, out: pipes[1]).and_return(pg_dump_pid)
subject.dump(pg_database, db_file_name, args)
expect(File.exist?(db_file_name)).to eq(true)
end
end
end
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