diff options
Diffstat (limited to 'spec/unit/util/dsc/lcm_output_parser_spec.rb')
| -rw-r--r-- | spec/unit/util/dsc/lcm_output_parser_spec.rb | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/spec/unit/util/dsc/lcm_output_parser_spec.rb b/spec/unit/util/dsc/lcm_output_parser_spec.rb new file mode 100644 index 0000000000..23a3dbd3ec --- /dev/null +++ b/spec/unit/util/dsc/lcm_output_parser_spec.rb @@ -0,0 +1,169 @@ +# +# Author:: Bryan McLellan <btm@loftninjas.org> +# 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/util/dsc/lcm_output_parser' + +describe Chef::Util::DSC::LocalConfigurationManager::Parser do + context 'empty input parameter' do + it 'returns an empty array for a 0 length string' do + Chef::Util::DSC::LocalConfigurationManager::Parser::parse('').should be_empty + end + + it 'returns an empty array for a nil input' do + Chef::Util::DSC::LocalConfigurationManager::Parser::parse('').should be_empty + end + end + + context 'correctly formatted output from lcm' do + it 'returns an empty array for a log with no resources' do + str = <<EOF +logtype: [machinename]: LCM: [ Start Set ] +logtype: [machinename]: LCM: [ End Set ] +EOF + Chef::Util::DSC::LocalConfigurationManager::Parser::parse(str).should be_empty + end + + it 'returns a single resource when only 1 logged with the correct name' do + str = <<EOF +logtype: [machinename]: LCM: [ Start Set ] +logtype: [machinename]: LCM: [ Start Resource ] [name] +logtype: [machinename]: LCM: [ End Resource ] [name] +logtype: [machinename]: LCM: [ End Set ] +EOF + resources = Chef::Util::DSC::LocalConfigurationManager::Parser::parse(str) + resources.length.should eq(1) + resources[0].name.should eq('[name]') + end + + it 'identifies when a resource changes the state of the system' do + str = <<EOF +logtype: [machinename]: LCM: [ Start Set ] +logtype: [machinename]: LCM: [ Start Resource ] [name] +logtype: [machinename]: LCM: [ Start Set ] [name] +logtype: [machinename]: LCM: [ End Set ] [name] +logtype: [machinename]: LCM: [ End Resource ] [name] +logtype: [machinename]: LCM: [ End Set ] +EOF + resources = Chef::Util::DSC::LocalConfigurationManager::Parser::parse(str) + resources[0].changes_state?.should be_true + end + + it 'preserves the log provided for how the system changed the state' do + str = <<EOF +logtype: [machinename]: LCM: [ Start Set ] +logtype: [machinename]: LCM: [ Start Resource ] [name] +logtype: [machinename]: LCM: [ Start Set ] [name] +logtype: [machinename]: [message] +logtype: [machinename]: LCM: [ End Set ] [name] +logtype: [machinename]: LCM: [ End Resource ] [name] +logtype: [machinename]: LCM: [ End Set ] +EOF + resources = Chef::Util::DSC::LocalConfigurationManager::Parser::parse(str) + resources[0].change_log.should match_array(["[name]","[message]","[name]"]) + end + + it 'should return false for changes_state?' do + str = <<EOF +logtype: [machinename]: LCM: [ Start Set ] +logtype: [machinename]: LCM: [ Start Resource ] [name] +logtype: [machinename]: LCM: [ Skip Set ] [name] +logtype: [machinename]: LCM: [ End Resource ] [name] +logtype: [machinename]: LCM: [ End Set ] +EOF + resources = Chef::Util::DSC::LocalConfigurationManager::Parser::parse(str) + resources[0].changes_state?.should be_false + end + + it 'should return an empty array for change_log if changes_state? is false' do + str = <<EOF +logtype: [machinename]: LCM: [ Start Set ] +logtype: [machinename]: LCM: [ Start Resource ] [name] +logtype: [machinename]: LCM: [ Skip Set ] [name] +logtype: [machinename]: LCM: [ End Resource ] [name] +logtype: [machinename]: LCM: [ End Set ] +EOF + resources = Chef::Util::DSC::LocalConfigurationManager::Parser::parse(str) + resources[0].change_log.should be_empty + end + end + + context 'Incorrectly formatted output from LCM' do + it 'should allow missing a [End Resource] when its the last one and still find all the resource' do + str = <<-EOF +logtype: [machinename]: LCM: [ Start Set ] +logtype: [machinename]: LCM: [ Start Resource ] [name] +logtype: [machinename]: LCM: [ Start Test ] +logtype: [machinename]: LCM: [ End Test ] +logtype: [machinename]: LCM: [ Skip Set ] +logtype: [machinename]: LCM: [ End Resource ] +logtype: [machinename]: LCM: [ Start Resource ] [name2] +logtype: [machinename]: LCM: [ Start Test ] +logtype: [machinename]: LCM: [ End Test ] +logtype: [machinename]: LCM: [ Start Set ] +logtype: [machinename]: LCM: [ End Set ] +logtype: [machinename]: LCM: [ End Set ] +EOF + + resources = Chef::Util::DSC::LocalConfigurationManager::Parser::parse(str) + resources[0].changes_state?.should be_false + resources[1].changes_state?.should be_true + end + + it 'should allow missing a [End Resource] when its the first one and still find all the resource' do + str = <<-EOF +logtype: [machinename]: LCM: [ Start Set ] +logtype: [machinename]: LCM: [ Start Resource ] [name] +logtype: [machinename]: LCM: [ Start Test ] +logtype: [machinename]: LCM: [ End Test ] +logtype: [machinename]: LCM: [ Skip Set ] +logtype: [machinename]: LCM: [ Start Resource ] [name2] +logtype: [machinename]: LCM: [ Start Test ] +logtype: [machinename]: LCM: [ End Test ] +logtype: [machinename]: LCM: [ Start Set ] +logtype: [machinename]: LCM: [ End Set ] +logtype: [machinename]: LCM: [ End Resource ] +logtype: [machinename]: LCM: [ End Set ] +EOF + + resources = Chef::Util::DSC::LocalConfigurationManager::Parser::parse(str) + resources[0].changes_state?.should be_false + resources[1].changes_state?.should be_true + end + + it 'should allow missing set and end resource and assume an unconverged resource in this case' do + str = <<-EOF +logtype: [machinename]: LCM: [ Start Set ] +logtype: [machinename]: LCM: [ Start Resource ] [name] +logtype: [machinename]: LCM: [ Start Test ] +logtype: [machinename]: LCM: [ End Test ] +logtype: [machinename]: LCM: [ Start Resource ] [name2] +logtype: [machinename]: LCM: [ Start Test ] +logtype: [machinename]: LCM: [ End Test ] +logtype: [machinename]: LCM: [ Start Set ] +logtype: [machinename]: LCM: [ End Set ] +logtype: [machinename]: LCM: [ End Resource ] +logtype: [machinename]: LCM: [ End Set ] +EOF + resources = Chef::Util::DSC::LocalConfigurationManager::Parser::parse(str) + resources[0].changes_state?.should be_true + resources[0].name.should eql('[name]') + resources[1].changes_state?.should be_true + resources[1].name.should eql('[name2]') + end + end +end |