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#
# Author:: Bryan McLellan <btm@loftninjas.org>
# 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 "chef/util/dsc/lcm_output_parser"
describe Chef::Util::DSC::LocalConfigurationManager::Parser do
context "empty input parameter for WhatIfParser" do
it "raises an exception when there are no valid lines" do
str = <<-EOF
EOF
expect { Chef::Util::DSC::LocalConfigurationManager::Parser.parse(str, false) }.to raise_error(Chef::Exceptions::LCMParser)
end
it "raises an exception for a nil input" do
expect { Chef::Util::DSC::LocalConfigurationManager::Parser.parse(nil, false) }.to raise_error(Chef::Exceptions::LCMParser)
end
end
context "empty input parameter for TestDSCParser" do
it "raises an exception when there are no valid lines" do
str = <<-EOF
EOF
expect { Chef::Util::DSC::LocalConfigurationManager::Parser.parse(str, true) }.to raise_error(Chef::Exceptions::LCMParser)
end
it "raises an exception for a nil input" do
expect { Chef::Util::DSC::LocalConfigurationManager::Parser.parse(nil, true) }.to raise_error(Chef::Exceptions::LCMParser)
end
end
context "correctly formatted output from lcm for WhatIfParser" do
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, false)
expect(resources.length).to eq(1)
expect(resources[0].name).to 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, false)
expect(resources[0].changes_state?).to be_truthy
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, false)
expect(resources[0].change_log).to match_array(["[name]", "[message]", "[name]"])
end
it "returns 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, false)
expect(resources[0].changes_state?).to be_falsey
end
it "returns 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, false)
expect(resources[0].change_log).to be_empty
end
end
context "correctly formatted output from lcm for TestDSCParser" do
it "returns a single resource when only 1 logged with the correct name" do
str = <<~EOF
InDesiredState : False
ResourcesInDesiredState :
ResourcesNotInDesiredState: [name]
ReturnValue : 0
PSComputerName : .
EOF
resources = Chef::Util::DSC::LocalConfigurationManager::Parser.parse(str, true)
expect(resources.length).to eq(1)
expect(resources[0].name).to eq("[name]")
end
it "identifies when a resource changes the state of the system" do
str = <<~EOF
InDesiredState : False
ResourcesInDesiredState :
ResourcesNotInDesiredState: [name]
ReturnValue : 0
PSComputerName : .
EOF
resources = Chef::Util::DSC::LocalConfigurationManager::Parser.parse(str, true)
expect(resources[0].changes_state?).to be_truthy
end
it "returns false for changes_state?" do
str = <<~EOF
InDesiredState : True
ResourcesInDesiredState : [name]
ResourcesNotInDesiredState:
ReturnValue : 0
PSComputerName : .
EOF
resources = Chef::Util::DSC::LocalConfigurationManager::Parser.parse(str, true)
expect(resources[0].changes_state?).to be_falsey
end
it "returns an empty array for change_log if changes_state? is false" do
str = <<~EOF
InDesiredState : True
ResourcesInDesiredState : [name]
ResourcesNotInDesiredState:
ReturnValue : 0
PSComputerName : .
EOF
resources = Chef::Util::DSC::LocalConfigurationManager::Parser.parse(str, true)
expect(resources[0].change_log).to be_empty
end
end
context "Incorrectly formatted output from LCM for WhatIfParser" do
it "allows missing [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, false)
expect(resources[0].changes_state?).to be_falsey
expect(resources[1].changes_state?).to be_truthy
end
it "allow missing [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, false)
expect(resources[0].changes_state?).to be_falsey
expect(resources[1].changes_state?).to be_truthy
end
it "allows 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, false)
expect(resources[0].changes_state?).to be_truthy
expect(resources[0].name).to eql("[name]")
expect(resources[1].changes_state?).to be_truthy
expect(resources[1].name).to eql("[name2]")
end
end
context "Incorrectly formatted output from LCM for TestDSCParser" do
it "allows missing [End Resource] when its the last one and still find all the resource" do
str = <<~EOF
InDesiredState : True
ResourcesInDesiredState :
ResourcesNotInDesiredState: [name]
ReturnValue : 0
PSComputerName : .
InDesiredState : True
ResourcesInDesiredState :
ResourcesNotInDesiredState: [name2]
ReturnValue : 0
PSComputerName : .
EOF
resources = Chef::Util::DSC::LocalConfigurationManager::Parser.parse(str, true)
expect(resources[0].changes_state?).to be_falsey
end
end
end
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