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#
# Author:: Lamont Granquist (<lamont@opscode.com>)
# Copyright:: Copyright (c) 2013 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'spec_helper'
require 'tmpdir'
describe Chef::Util::Backup do
let (:tempfile) do
Tempfile.new("chef-util-backup-spec-test")
end
before(:each) do
@new_resource = double("new_resource")
@new_resource.should_receive(:path).at_least(:once).and_return(tempfile.path)
@backup = Chef::Util::Backup.new(@new_resource)
end
it "should store the resource passed to new as new_resource" do
@backup.new_resource.should eql(@new_resource)
end
describe "for cases when we don't want to back anything up" do
before(:each) do
@backup.should_not_receive(:do_backup)
end
it "should not attempt to backup a file if :backup is false" do
@new_resource.should_receive(:backup).at_least(:once).and_return(false)
@backup.backup!
end
it "should not attempt to backup a file if :backup == 0" do
@new_resource.should_receive(:backup).at_least(:once).and_return(0)
@backup.backup!
end
it "should not attempt to backup a file if it does not exist" do
@new_resource.should_receive(:backup).at_least(:once).and_return(1)
File.should_receive(:exist?).with(tempfile.path).at_least(:once).and_return(false)
@backup.backup!
end
end
describe "for cases when we want to back things up" do
before(:each) do
@backup.should_receive(:do_backup)
end
describe "when the number of backups is specified as 1" do
before(:each) do
@new_resource.should_receive(:backup).at_least(:once).and_return(1)
end
it "should not delete anything if this is the only backup" do
@backup.should_receive(:sorted_backup_files).and_return(['a'])
@backup.should_not_receive(:delete_backup)
@backup.backup!
end
it "should keep only 1 backup copy" do
@backup.should_receive(:sorted_backup_files).and_return(['a', 'b', 'c'])
@backup.should_receive(:delete_backup).with('b')
@backup.should_receive(:delete_backup).with('c')
@backup.backup!
end
end
describe "when the number of backups is specified as 2" do
before(:each) do
@new_resource.should_receive(:backup).at_least(:once).and_return(2)
end
it "should not delete anything if we only have one other backup" do
@backup.should_receive(:sorted_backup_files).and_return(['a', 'b'])
@backup.should_not_receive(:delete_backup)
@backup.backup!
end
it "should keep only 2 backup copies" do
@backup.should_receive(:sorted_backup_files).and_return(['a', 'b', 'c', 'd'])
@backup.should_receive(:delete_backup).with('c')
@backup.should_receive(:delete_backup).with('d')
@backup.backup!
end
end
end
describe "backup_filename" do
it "should return a timestamped path" do
@backup.should_receive(:path).and_return('/a/b/c.txt')
@backup.send(:backup_filename).should =~ %r|^/a/b/c.txt.chef-\d{14}.\d{6}$|
end
it "should strip the drive letter off for windows" do
@backup.should_receive(:path).and_return('c:\a\b\c.txt')
@backup.send(:backup_filename).should =~ %r|^\\a\\b\\c.txt.chef-\d{14}.\d{6}$|
end
it "should strip the drive letter off for windows (with forwardslashes)" do
@backup.should_receive(:path).and_return('c:/a/b/c.txt')
@backup.send(:backup_filename).should =~ %r|^/a/b/c.txt.chef-\d{14}.\d{6}$|
end
end
describe "backup_path" do
it "uses the file's directory when Chef::Config[:file_backup_path] is nil" do
@backup.should_receive(:path).and_return('/a/b/c.txt')
Chef::Config[:file_backup_path] = nil
@backup.send(:backup_path).should =~ %r|^/a/b/c.txt.chef-\d{14}.\d{6}$|
end
it "uses the configured Chef::Config[:file_backup_path]" do
@backup.should_receive(:path).and_return('/a/b/c.txt')
Chef::Config[:file_backup_path] = '/backupdir'
@backup.send(:backup_path).should =~ %r|^/backupdir[\\/]+a/b/c.txt.chef-\d{14}.\d{6}$|
end
it "uses the configured Chef::Config[:file_backup_path] and strips the drive on windows" do
@backup.should_receive(:path).and_return('c:\\a\\b\\c.txt')
Chef::Config[:file_backup_path] = 'c:\backupdir'
@backup.send(:backup_path).should =~ %r|^c:\\backupdir[\\/]+a\\b\\c.txt.chef-\d{14}.\d{6}$|
end
end
end
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