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#
# Author:: Lamont Granquist (<lamont@chef.io>)
# Copyright:: Copyright 2013-2016, Chef Software 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")
expect(@new_resource).to 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
expect(@backup.new_resource).to eql(@new_resource)
end
describe "for cases when we don't want to back anything up" do
before(:each) do
expect(@backup).not_to receive(:do_backup)
end
it "should not attempt to backup a file if :backup is false" do
expect(@new_resource).to receive(:backup).at_least(:once).and_return(false)
@backup.backup!
end
it "should not attempt to backup a file if :backup == 0" do
expect(@new_resource).to 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
expect(@new_resource).to receive(:backup).at_least(:once).and_return(1)
expect(File).to 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
expect(@backup).to receive(:do_backup)
end
describe "when the number of backups is specified as 1" do
before(:each) do
expect(@new_resource).to receive(:backup).at_least(:once).and_return(1)
end
it "should not delete anything if this is the only backup" do
expect(@backup).to receive(:sorted_backup_files).and_return(["a"])
expect(@backup).not_to receive(:delete_backup)
@backup.backup!
end
it "should keep only 1 backup copy" do
expect(@backup).to receive(:sorted_backup_files).and_return(%w(a b c))
expect(@backup).to receive(:delete_backup).with("b")
expect(@backup).to receive(:delete_backup).with("c")
@backup.backup!
end
end
describe "when the number of backups is specified as 2" do
before(:each) do
expect(@new_resource).to receive(:backup).at_least(:once).and_return(2)
end
it "should not delete anything if we only have one other backup" do
expect(@backup).to receive(:sorted_backup_files).and_return(%w(a b))
expect(@backup).not_to receive(:delete_backup)
@backup.backup!
end
it "should keep only 2 backup copies" do
expect(@backup).to receive(:sorted_backup_files).and_return(%w(a b c d))
expect(@backup).to receive(:delete_backup).with("c")
expect(@backup).to receive(:delete_backup).with("d")
@backup.backup!
end
end
end
describe "backup_filename" do
it "should return a timestamped path" do
expect(@backup).to receive(:path).and_return("/a/b/c.txt")
expect(@backup.send(:backup_filename)).to match(%r|^/a/b/c.txt.chef-\d{14}.\d{6}$|)
end
it "should strip the drive letter off for windows" do
expect(@backup).to receive(:path).and_return('c:\a\b\c.txt')
expect(@backup.send(:backup_filename)).to match(%r|^\\a\\b\\c.txt.chef-\d{14}.\d{6}$|)
end
it "should strip the drive letter off for windows (with forwardslashes)" do
expect(@backup).to receive(:path).and_return("c:/a/b/c.txt")
expect(@backup.send(:backup_filename)).to match(%r|^/a/b/c.txt.chef-\d{14}.\d{6}$|)
end
end
describe "backup_path" do
it "uses the file's directory when Chef::Config[:file_backup_path] is nil" do
expect(@backup).to receive(:path).and_return("/a/b/c.txt")
Chef::Config[:file_backup_path] = nil
expect(@backup.send(:backup_path)).to match(%r|^/a/b/c.txt.chef-\d{14}.\d{6}$|)
end
it "uses the configured Chef::Config[:file_backup_path]" do
expect(@backup).to receive(:path).and_return("/a/b/c.txt")
Chef::Config[:file_backup_path] = "/backupdir"
expect(@backup.send(:backup_path)).to match(%r|^/backupdir[\\/]+a/b/c.txt.chef-\d{14}.\d{6}$|)
end
it "uses the configured Chef::Config[:file_backup_path] and strips the drive on windows" do
expect(@backup).to receive(:path).and_return('c:\\a\\b\\c.txt')
Chef::Config[:file_backup_path] = 'c:\backupdir'
expect(@backup.send(:backup_path)).to match(%r|^c:\\backupdir[\\/]+a\\b\\c.txt.chef-\d{14}.\d{6}$|)
end
end
end
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