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#
# Author:: Jay Mundrawala (<jdm@chef.io>)
#
# Copyright:: Copyright (c) 2014 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 'chef'
require 'spec_helper'
describe Chef::Provider::DscResource do
let (:events) { Chef::EventDispatch::Dispatcher.new }
let (:run_context) { Chef::RunContext.new(node, {}, events) }
let (:resource) { Chef::Resource::DscResource.new("dscresource", run_context) }
let (:provider) do
Chef::Provider::DscResource.new(resource, run_context)
end
context 'when Powershell does not support Invoke-DscResource' do
let (:node) {
node = Chef::Node.new
node.automatic[:languages][:powershell][:version] = '4.0'
node
}
it 'raises a ProviderNotFound exception' do
expect(provider).not_to receive(:meta_configuration)
expect{provider.run_action(:run)}.to raise_error(
Chef::Exceptions::ProviderNotFound, /5\.0\.10018\.0/)
end
end
context 'when Powershell supports Invoke-DscResource' do
let (:node) {
node = Chef::Node.new
node.automatic[:languages][:powershell][:version] = '5.0.10018.0'
node
}
context 'when RefreshMode is not set to Disabled' do
it 'raises an exception' do
expect(provider).to receive(:dsc_refresh_mode_disabled?).and_return(false)
expect { provider.run_action(:run) }.to raise_error(
Chef::Exceptions::ProviderNotFound, /Disabled/)
end
end
context 'when RefreshMode is set to Disabled' do
it 'does not update the resource if it is up to date' do
expect(provider).to receive(:dsc_refresh_mode_disabled?).and_return(true)
expect(provider).to receive(:test_resource).and_return(true)
provider.run_action(:run)
expect(resource).not_to be_updated
end
it 'converges the resource if it is not up to date' do
expect(provider).to receive(:dsc_refresh_mode_disabled?).and_return(true)
expect(provider).to receive(:test_resource).and_return(false)
expect(provider).to receive(:set_resource)
provider.run_action(:run)
expect(resource).to be_updated
end
it 'flags the resource as reboot required when required' do
expect(provider).to receive(:dsc_refresh_mode_disabled?).and_return(true)
expect(provider).to receive(:test_resource).and_return(false)
expect(provider).to receive(:invoke_resource).
and_return(double(:stdout => '', :return_value =>nil))
expect(provider).to receive(:return_dsc_resource_result).and_return(true)
expect(provider).to receive(:create_reboot_resource)
provider.run_action(:run)
end
it 'does not flag the resource as reboot required when not required' do
expect(provider).to receive(:dsc_refresh_mode_disabled?).and_return(true)
expect(provider).to receive(:test_resource).and_return(false)
expect(provider).to receive(:invoke_resource).
and_return(double(:stdout => '', :return_value =>nil))
expect(provider).to receive(:return_dsc_resource_result).and_return(false)
expect(provider).to_not receive(:create_reboot_resource)
provider.run_action(:run)
end
end
end
end
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