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path: root/spec/functional/resource/mount_spec.rb
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#
# Author:: Kaustubh Deorukhkar (<kaustubh@clogeny.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 'chef/mixin/shell_out'

describe Chef::Resource::Mount do

  # Order the tests for proper cleanup and execution
  RSpec.configure do |config|
    config.order_groups_and_examples do |list|
      list.sort_by { |item| item.description }
    end
  end

  # User provider is platform-dependent, we need platform ohai data:
  OHAI_SYSTEM = Ohai::System.new
  OHAI_SYSTEM.require_plugin("os")
  OHAI_SYSTEM.require_plugin("platform")
  OHAI_SYSTEM.require_plugin("passwd")

  include Chef::Mixin::ShellOut
  before(:all) do
    # TODO - this can better be written if we have resource/provider for ramdisk.
    if OHAI_SYSTEM[:platform] == 'aix'
      @ramdisk = shell_out!("mkramdisk 16M").stdout

      # identify device, for /dev/rramdisk0 it is /dev/ramdisk0
      @device = @ramdisk.tr("\n","").gsub(/\/rramdisk/, '/ramdisk')

      @fstype = "jfs2"
      shell_out!("mkfs  -V #{@fstype} #{@device}")
    else
      @device = "/dev/ram1"
      @fstype = "tmpfs"
      shell_out!("mkfs -q #{@device} 512")
    end
    @mount_point = "/tmp/testmount"
    shell_out("rm -rf #{@mount_point}")
    shell_out!("mkdir -p #{@mount_point}")
  end

  after(:all) do
    if OHAI_SYSTEM[:platform] == 'aix'
      shell_out("rmramdisk #{@ramdisk}")
    end
  end

  let(:new_resource) do
    node = Chef::Node.new
    node.default[:platform] = OHAI_SYSTEM[:platform]
    node.default[:platform_version] = OHAI_SYSTEM[:platform_version]
    events = Chef::EventDispatch::Dispatcher.new
    run_context = Chef::RunContext.new(node, {}, events)
    new_resource = Chef::Resource::Mount.new(@mount_point, run_context)
    new_resource.device      @device
    new_resource.name        @mount_point
    new_resource.fstype      @fstype
    new_resource.options     "log=NULL" if OHAI_SYSTEM[:platform] == 'aix'
    new_resource
  end

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

  def current_resource
    provider.load_current_resource
    provider.current_resource
  end

  describe "testcase A: when the target state is a mounted filesystem" do
    before do
      # sanity umount for any old runs
      new_resource.run_action(:umount)
    end
    it "should mount the filesystem if it isn't mounted" do
      current_resource.enabled.should be_false
      current_resource.mounted.should be_false
      new_resource.run_action(:mount)
      new_resource.should be_updated
      current_resource.mounted.should be_true
    end
  end

  describe "testcase B: when the target state is a mounted filesystem" do
    it "should not mount the filesystem if it is mounted" do
      new_resource.run_action(:mount)
      new_resource.should_not be_updated
    end
  end

  describe "testcase C: when the filesystem should be remounted and the resource supports remounting" do
    it "should remount the filesystem if it is mounted" do
      new_resource.supports[:remount] = true
      new_resource.options     "rw,log=NULL" if OHAI_SYSTEM[:platform] == 'aix'
      new_resource.run_action(:remount)
      new_resource.should be_updated
      current_resource.mounted.should be_true
    end
  end

  describe "testcase D: when the target state is a unmounted filesystem" do
    it "should umount the filesystem if it is mounted" do
      current_resource.mounted.should be_true
      new_resource.run_action(:umount)
      new_resource.should be_updated
      current_resource.mounted.should be_false
    end
  end

  describe "testcase E: when the target state is a unmounted filesystem" do
    it "should not umount the filesystem if it is not mounted" do
      new_resource.run_action(:umount)
      new_resource.should_not be_updated
    end
  end

  describe "testcase F: when the resource supports remounting" do
    it "should not remount the filesystem if it is not mounted" do
      new_resource.supports[:remount] = true
      new_resource.run_action(:remount)
      new_resource.should_not be_updated
    end
  end

  describe "testcase G: when enabling the filesystem to be mounted" do
    it "should enable the mount if it isn't enable" do
      # setup the mount for further tests.
      new_resource.run_action(:mount)
      new_resource.run_action(:enable)
      new_resource.should be_updated
      current_resource.enabled.should be_true
    end
  end

  describe "testcase H: when enabling the filesystem to be mounted" do
    it "should enable the mount if it is enabled and mount options have changed" do
      new_resource.options     "nodev"
      new_resource.run_action(:enable)
      new_resource.should be_updated
      current_resource.enabled.should be_true
    end
  end

  describe "testcase I: when enabling the filesystem to be mounted" do
    it "should not enable the mount if it is enabled and mount options have not changed" do
      new_resource.options     "nodev"
      new_resource.run_action(:enable)
      new_resource.should_not be_updated_by_last_action
    end
  end

  describe "testcase J: when the target state is to disable the mount" do
    it "should disable the mount if it is enabled" do
      new_resource.run_action(:disable)
      new_resource.should be_updated
      current_resource.enabled.should be_false
    end
  end

  describe "testcase K: when the target state is to disable the mount" do
    # cleanup at the end
    after do
      new_resource.run_action(:umount)
    end

    it "should not disable the mount if it isn't enabled" do
      new_resource.run_action(:disable)
      new_resource.should_not be_updated
    end
  end
end