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-rw-r--r--spec/unit/provider/mdadm_spec.rb131
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diff --git a/spec/unit/provider/mdadm_spec.rb b/spec/unit/provider/mdadm_spec.rb
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--- a/spec/unit/provider/mdadm_spec.rb
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-#
-# Author:: Joe Williams (<joe@joetify.com>)
-# Copyright:: Copyright (c) 2009 Joe Williams
-# 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 'ostruct'
-
-describe Chef::Provider::Mdadm do
-
- before(:each) do
- @node = Chef::Node.new
- @events = Chef::EventDispatch::Dispatcher.new
- @run_context = Chef::RunContext.new(@node, {}, @events)
- @new_resource = Chef::Resource::Mdadm.new('/dev/md1')
- @new_resource.devices ["/dev/sdz1","/dev/sdz2","/dev/sdz3"]
- @provider = Chef::Provider::Mdadm.new(@new_resource, @run_context)
- end
-
- describe "when determining the current metadevice status" do
- it "should set the current resources mount point to the new resources mount point" do
- @provider.stub(:shell_out!).and_return(OpenStruct.new(:status => 0))
- @provider.load_current_resource
- @provider.current_resource.name.should == '/dev/md1'
- @provider.current_resource.raid_device.should == '/dev/md1'
- end
-
- it "determines that the metadevice exists when mdadm exit code is zero" do
- @provider.stub(:shell_out!).with("mdadm --detail --test /dev/md1", :returns => [0,4]).and_return(OpenStruct.new(:status => 0))
- @provider.load_current_resource
- @provider.current_resource.exists.should be_true
- end
-
- it "determines that the metadevice does not exist when mdadm exit code is 4" do
- @provider.stub(:shell_out!).with("mdadm --detail --test /dev/md1", :returns => [0,4]).and_return(OpenStruct.new(:status => 4))
- @provider.load_current_resource
- @provider.current_resource.exists.should be_false
- end
- end
-
- describe "after the metadevice status is known" do
- before(:each) do
- @current_resource = Chef::Resource::Mdadm.new('/dev/md1')
- @new_resource.level 5
- @provider.stub(:load_current_resource).and_return(true)
- @provider.current_resource = @current_resource
- end
-
- describe "when creating the metadevice" do
- it "should create the raid device if it doesnt exist" do
- @current_resource.exists(false)
- expected_command = "yes | mdadm --create /dev/md1 --level 5 --chunk=16 --metadata=0.90 --raid-devices 3 /dev/sdz1 /dev/sdz2 /dev/sdz3"
- @provider.should_receive(:shell_out!).with(expected_command)
- @provider.run_action(:create)
- end
-
- it "should specify a bitmap only if set" do
- @current_resource.exists(false)
- @new_resource.bitmap('grow')
- expected_command = "yes | mdadm --create /dev/md1 --level 5 --chunk=16 --metadata=0.90 --bitmap=grow --raid-devices 3 /dev/sdz1 /dev/sdz2 /dev/sdz3"
- @provider.should_receive(:shell_out!).with(expected_command)
- @provider.run_action(:create)
- @new_resource.should be_updated_by_last_action
- end
-
- it "should not specify a chunksize if raid level 1" do
- @current_resource.exists(false)
- @new_resource.level 1
- expected_command = "yes | mdadm --create /dev/md1 --level 1 --metadata=0.90 --raid-devices 3 /dev/sdz1 /dev/sdz2 /dev/sdz3"
- @provider.should_receive(:shell_out!).with(expected_command)
- @provider.run_action(:create)
- @new_resource.should be_updated_by_last_action
- end
-
- it "should not create the raid device if it does exist" do
- @current_resource.exists(true)
- @provider.should_not_receive(:shell_out!)
- @provider.run_action(:create)
- @new_resource.should_not be_updated_by_last_action
- end
- end
-
- describe "when asembling the metadevice" do
- it "should assemble the raid device if it doesnt exist" do
- @current_resource.exists(false)
- expected_mdadm_cmd = "yes | mdadm --assemble /dev/md1 /dev/sdz1 /dev/sdz2 /dev/sdz3"
- @provider.should_receive(:shell_out!).with(expected_mdadm_cmd)
- @provider.run_action(:assemble)
- @new_resource.should be_updated_by_last_action
- end
-
- it "should not assemble the raid device if it doesnt exist" do
- @current_resource.exists(true)
- @provider.should_not_receive(:shell_out!)
- @provider.run_action(:assemble)
- @new_resource.should_not be_updated_by_last_action
- end
- end
-
- describe "when stopping the metadevice" do
-
- it "should stop the raid device if it exists" do
- @current_resource.exists(true)
- expected_mdadm_cmd = "yes | mdadm --stop /dev/md1"
- @provider.should_receive(:shell_out!).with(expected_mdadm_cmd)
- @provider.run_action(:stop)
- @new_resource.should be_updated_by_last_action
- end
-
- it "should not attempt to stop the raid device if it does not exist" do
- @current_resource.exists(false)
- @provider.should_not_receive(:shell_out!)
- @provider.run_action(:stop)
- @new_resource.should_not be_updated_by_last_action
- end
- end
- end
-end