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File Manager

Path: /opt/chef/embedded/lib/ruby/gems/2.7.0/gems/chef-16.3.45/spec/functional/resource/

Viewing File: cron_spec.rb

#
# Author:: Kaustubh Deorukhkar (<kaustubh@clogeny.com>)
# 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 "chef/mixin/shell_out"

describe Chef::Resource::Cron, :requires_root, :unix_only do

  include Chef::Mixin::ShellOut

  # Platform specific validation routines.
  def cron_should_exists(cron_name, command)
    case ohai[:platform]
    when "aix", "opensolaris", "solaris2", "omnios"
      expect(shell_out("crontab -l #{new_resource.user} | grep \"#{cron_name}\"").exitstatus).to eq(0)
      expect(shell_out("crontab -l #{new_resource.user} | grep \"#{cron_name}\"").stdout.lines.to_a.size).to eq(1)
      expect(shell_out("crontab -l #{new_resource.user} | grep \"#{command}\"").exitstatus).to eq(0)
      expect(shell_out("crontab -l #{new_resource.user} | grep \"#{command}\"").stdout.lines.to_a.size).to eq(1)
    else
      expect(shell_out("crontab -l -u #{new_resource.user} | grep \"#{cron_name}\"").exitstatus).to eq(0)
      expect(shell_out("crontab -l #{new_resource.user} | grep \"#{cron_name}\"").stdout.lines.to_a.size).to eq(0)
      expect(shell_out("crontab -l -u #{new_resource.user} | grep \"#{command}\"").exitstatus).to eq(0)
      expect(shell_out("crontab -l #{new_resource.user} | grep \"#{command}\"").stdout.lines.to_a.size).to eq(0)
    end
  end

  def cron_should_not_exists(cron_name)
    case ohai[:platform]
    when "aix", "opensolaris", "solaris2", "omnios"
      expect(shell_out("crontab -l #{new_resource.user} | grep \"#{cron_name}\"").exitstatus).to eq(1)
      expect(shell_out("crontab -l #{new_resource.user} | grep \"#{new_resource.command}\"").stdout.lines.to_a.size).to eq(0)
    else
      expect(shell_out("crontab -l -u #{new_resource.user} | grep \"#{cron_name}\"").exitstatus).to eq(1)
      expect(shell_out("crontab -l -u #{new_resource.user} | grep \"#{new_resource.command}\"").stdout.lines.to_a.size).to eq(0)
    end
  end

  # Actual tests

  let(:run_context) do
    node = Chef::Node.new
    node.default[:platform] = ohai[:platform]
    node.default[:platform_version] = ohai[:platform_version]
    node.default[:os] = ohai[:os]
    events = Chef::EventDispatch::Dispatcher.new
    Chef::RunContext.new(node, {}, events)
  end

  let(:new_resource) do
    new_resource = Chef::Resource::Cron.new("Chef functional test cron", run_context)
    new_resource.user "root"
    new_resource.minute "0"
    new_resource.command "/bin/true"
    new_resource
  end

  let(:provider) do
    provider = new_resource.provider_for_action(new_resource.action)
    provider
  end

  describe "create action" do
    after do
      new_resource.run_action(:delete)
    end

    it "should create a crontab entry" do
      new_resource.run_action(:create)
      cron_should_exists(new_resource.name, new_resource.command)
    end

    it "should create exactly one crontab entry" do
      5.times { new_resource.run_action(:create) }
      cron_should_exists(new_resource.name, new_resource.command)
    end

    # Test cron for day of week
    weekdays = { Mon: 1, tuesday: 2, '3': 3, 'thursday': 4, 'Fri': 5, 6 => 6 }
    weekdays.each do |key, value|
      it "should create crontab entry and set #{value} for #{key} as weekday" do
        new_resource.weekday key
        expect { new_resource.run_action(:create) }.not_to raise_error
        cron_should_exists(new_resource.name, new_resource.command)
      end
    end
  end

  describe "delete action" do
    before do
      new_resource.run_action(:create)
    end

    it "should delete a crontab entry" do
      # Note that test cron is created by previous test
      new_resource.run_action(:delete)

      cron_should_not_exists(new_resource.name)
    end
  end

  exclude_solaris = %w{solaris opensolaris solaris2 omnios}.include?(ohai[:platform])
  describe "create action with various attributes", external: exclude_solaris do
    def create_and_validate_with_property(resource, attribute, value)
      if ohai[:platform] == "aix"
        expect { resource.run_action(:create) }.to raise_error(Chef::Exceptions::Cron, /Aix cron entry does not support environment variables. Please set them in script and use script in cron./)
      else
        resource.run_action(:create)
        # Verify if the cron is created successfully
        cron_attribute_should_exists(resource.name, attribute, value)
      end
    end

    def cron_attribute_should_exists(cron_name, attribute, value)
      return if %w{aix solaris}.include?(ohai[:platform])

      # Test if the attribute exists on newly created cron
      cron_should_exists(cron_name, "")
      expect(shell_out("crontab -l -u #{new_resource.user} | grep '#{attribute.upcase}=\"#{value}\"'").exitstatus).to eq(0)
    end

    after do
      new_resource.run_action(:delete)
    end

    it "should create a crontab entry for mailto attribute" do
      new_resource.mailto "cheftest@example.com"
      create_and_validate_with_property(new_resource, "mailto", "cheftest@example.com")
    end

    it "should create a crontab entry for path attribute" do
      new_resource.path "/usr/local/bin"
      create_and_validate_with_property(new_resource, "path", "/usr/local/bin")
    end

    it "should create a crontab entry for shell attribute" do
      new_resource.shell "/bin/bash"
      create_and_validate_with_property(new_resource, "shell", "/bin/bash")
    end

    it "should create a crontab entry for home attribute" do
      new_resource.home "/home/opscode"
      create_and_validate_with_property(new_resource, "home", "/home/opscode")
    end

    %i{ home mailto path shell }.each do |attr|
      it "supports an empty string for #{attr} attribute" do
        new_resource.send(attr, "")
        create_and_validate_with_property(new_resource, attr.to_s, "")
      end
    end
  end

  describe "negative tests for create action" do
    after do
      new_resource.run_action(:delete)
    end

    it "should not create cron with invalid user" do
      new_resource.user "1-really-really-invalid-user-name"
      expect { new_resource.run_action(:create) }.to raise_error(Chef::Exceptions::Cron)
      cron_should_not_exists(new_resource.name)
    end
  end
end