\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€ \00 $\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/chef/embedded/lib/ruby/gems/2.7.0/gems/chef-16.3.45/spec/unit/util/

Viewing File: backup_spec.rb

#
# Author:: Lamont Granquist (<lamont@chef.io>)
# Copyright:: Copyright (c) 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}$|)
    end
    it "should strip the drive letter off for windows" do
      expect(@backup).to receive(:path).and_return('c:\a\b\c.txt')
      expect(@backup.send(:backup_filename)).to match(/^\\a\\b\\c.txt.chef-\d{14}.\d{6}$/)
    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