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require 'spec_helper'
describe Backup::Manager, lib: true do
include StubENV
let(:progress) { StringIO.new }
before do
allow(progress).to receive(:puts)
allow(progress).to receive(:print)
allow_any_instance_of(String).to receive(:color) do |string, _color|
string
end
@old_progress = $progress # rubocop:disable Style/GlobalVars
$progress = progress # rubocop:disable Style/GlobalVars
end
after do
$progress = @old_progress # rubocop:disable Style/GlobalVars
end
describe '#remove_old' do
let(:files) do
[
'1451606400_2016_01_01_gitlab_backup.tar',
'1451520000_2015_12_31_gitlab_backup.tar',
'1450742400_2015_12_22_gitlab_backup.tar',
'1449878400_gitlab_backup.tar',
'1449014400_gitlab_backup.tar',
'manual_gitlab_backup.tar'
]
end
before do
allow(Dir).to receive(:chdir).and_yield
allow(Dir).to receive(:glob).and_return(files)
allow(FileUtils).to receive(:rm)
allow(Time).to receive(:now).and_return(Time.utc(2016))
end
context 'when keep_time is zero' do
before do
allow(Gitlab.config.backup).to receive(:keep_time).and_return(0)
subject.remove_old
end
it 'removes no files' do
expect(FileUtils).not_to have_received(:rm)
end
it 'prints a skipped message' do
expect(progress).to have_received(:puts).with('skipping')
end
end
context 'when there are no files older than keep_time' do
before do
allow(Gitlab.config.backup).to receive(:keep_time).and_return(2592000)
subject.remove_old
end
it 'removes no files' do
expect(FileUtils).not_to have_received(:rm)
end
it 'prints a done message' do
expect(progress).to have_received(:puts).with('done. (0 removed)')
end
end
context 'when keep_time is set to remove files' do
before do
allow(Gitlab.config.backup).to receive(:keep_time).and_return(1)
subject.remove_old
end
it 'removes matching files with a human-readable timestamp' do
expect(FileUtils).to have_received(:rm).with(files[1])
expect(FileUtils).to have_received(:rm).with(files[2])
end
it 'removes matching files without a human-readable timestamp' do
expect(FileUtils).to have_received(:rm).with(files[3])
expect(FileUtils).to have_received(:rm).with(files[4])
end
it 'does not remove files that are not old enough' do
expect(FileUtils).not_to have_received(:rm).with(files[0])
end
it 'does not remove non-matching files' do
expect(FileUtils).not_to have_received(:rm).with(files[5])
end
it 'prints a done message' do
expect(progress).to have_received(:puts).with('done. (4 removed)')
end
end
context 'when removing a file fails' do
let(:file) { files[1] }
let(:message) { "Permission denied @ unlink_internal - #{file}" }
before do
allow(Gitlab.config.backup).to receive(:keep_time).and_return(1)
allow(FileUtils).to receive(:rm).with(file).and_raise(Errno::EACCES, message)
subject.remove_old
end
it 'removes the remaining expected files' do
expect(FileUtils).to have_received(:rm).with(files[2])
expect(FileUtils).to have_received(:rm).with(files[3])
expect(FileUtils).to have_received(:rm).with(files[4])
end
it 'sets the correct removed count' do
expect(progress).to have_received(:puts).with('done. (3 removed)')
end
it 'prints the error from file that could not be removed' do
expect(progress).to have_received(:puts).with(a_string_matching(message))
end
end
end
describe '#unpack' do
before do
allow(Dir).to receive(:chdir)
end
context 'when there are no backup files in the directory' do
before do
allow(Dir).to receive(:glob).and_return([])
end
it 'fails the operation and prints an error' do
expect { subject.unpack }.to raise_error SystemExit
expect(progress).to have_received(:puts)
.with(a_string_matching('No backups found'))
end
end
context 'when there are two backup files in the directory and BACKUP variable is not set' do
before do
allow(Dir).to receive(:glob).and_return(
[
'1451606400_2016_01_01_gitlab_backup.tar',
'1451520000_2015_12_31_gitlab_backup.tar'
]
)
end
it 'fails the operation and prints an error' do
expect { subject.unpack }.to raise_error SystemExit
expect(progress).to have_received(:puts)
.with(a_string_matching('Found more than one backup'))
end
end
context 'when BACKUP variable is set to a non-existing file' do
before do
allow(Dir).to receive(:glob).and_return(
[
'1451606400_2016_01_01_gitlab_backup.tar'
]
)
allow(File).to receive(:exist?).and_return(false)
stub_env('BACKUP', 'wrong')
end
it 'fails the operation and prints an error' do
expect { subject.unpack }.to raise_error SystemExit
expect(File).to have_received(:exist?).with('wrong_gitlab_backup.tar')
expect(progress).to have_received(:puts)
.with(a_string_matching('The backup file wrong_gitlab_backup.tar does not exist'))
end
end
context 'when BACKUP variable is set to a correct file' do
before do
allow(Dir).to receive(:glob).and_return(
[
'1451606400_2016_01_01_gitlab_backup.tar'
]
)
allow(File).to receive(:exist?).and_return(true)
allow(Kernel).to receive(:system).and_return(true)
allow(YAML).to receive(:load_file).and_return(gitlab_version: Gitlab::VERSION)
stub_env('BACKUP', '1451606400_2016_01_01')
end
it 'unpacks the file' do
subject.unpack
expect(Kernel).to have_received(:system)
.with("tar", "-xf", "1451606400_2016_01_01_gitlab_backup.tar")
expect(progress).to have_received(:puts).with(a_string_matching('done'))
end
end
end
end