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path: root/spec/unit/resource/powershell_script_spec.rb
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#
# Author:: Adam Edwards (<adamed@opscode.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'

describe Chef::Resource::PowershellScript do

  before(:each) do
    node = Chef::Node.new

    node.default["kernel"] = Hash.new
    node.default["kernel"][:machine] = :x86_64.to_s
    node.automatic[:os] = 'windows'

    run_context = Chef::RunContext.new(node, nil, nil)

    @resource = Chef::Resource::PowershellScript.new("powershell_unit_test", run_context)
  end

  it "creates a new Chef::Resource::PowershellScript" do
    expect(@resource).to be_a_kind_of(Chef::Resource::PowershellScript)
  end

  it "sets convert_boolean_return to false by default" do
    expect(@resource.convert_boolean_return).to eq(false)
  end

  it "returns the value for convert_boolean_return that was set" do
    @resource.convert_boolean_return true
    expect(@resource.convert_boolean_return).to eq(true)
    @resource.convert_boolean_return false
    expect(@resource.convert_boolean_return).to eq(false)
  end

  it "raises an error when architecture is i386 on Windows Nano Server" do
    allow(Chef::Platform).to receive(:windows_nano_server?).and_return(true)
    expect{@resource.architecture(:i386)}.to raise_error(Chef::Exceptions::Win32ArchitectureIncorrect, "cannot execute script with requested architecture 'i386' on Windows Nano Server")
  end

  context "when using guards" do
    let(:resource) { @resource }
    before(:each) do
      allow(resource).to receive(:run_action)
      allow(resource).to receive(:updated).and_return(true)
    end

    it "inherits exactly the :cwd, :environment, :group, :path, :user, :umask, and :architecture attributes from a parent resource class" do
      inherited_difference = Chef::Resource::PowershellScript.guard_inherited_attributes -
        [:cwd, :environment, :group, :path, :user, :umask, :architecture ]

      expect(inherited_difference).to eq([])
    end

    it "allows guard interpreter to be set to Chef::Resource::Script" do
      resource.guard_interpreter(:script)
      allow_any_instance_of(Chef::GuardInterpreter::ResourceGuardInterpreter).to receive(:evaluate_action).and_return(false)
      resource.only_if("echo hi")
    end

    it "allows guard interpreter to be set to Chef::Resource::Bash derived from Chef::Resource::Script" do
      resource.guard_interpreter(:bash)
      allow_any_instance_of(Chef::GuardInterpreter::ResourceGuardInterpreter).to receive(:evaluate_action).and_return(false)
      resource.only_if("echo hi")
    end

    it "allows guard interpreter to be set to Chef::Resource::PowershellScript derived indirectly from Chef::Resource::Script" do
      resource.guard_interpreter(:powershell_script)
      allow_any_instance_of(Chef::GuardInterpreter::ResourceGuardInterpreter).to receive(:evaluate_action).and_return(false)
      resource.only_if("echo hi")
    end

    it "enables convert_boolean_return by default for guards in the context of powershell_script when no guard params are specified" do
      allow_any_instance_of(Chef::GuardInterpreter::ResourceGuardInterpreter).to receive(:evaluate_action).and_return(true)
      allow_any_instance_of(Chef::GuardInterpreter::ResourceGuardInterpreter).to receive(:block_from_attributes).with(
        {:convert_boolean_return => true, :code => "$true"}).and_return(Proc.new {})
      resource.only_if("$true")
    end

    it "enables convert_boolean_return by default for guards in non-Chef::Resource::Script derived resources when no guard params are specified" do
      node = Chef::Node.new
      run_context = Chef::RunContext.new(node, nil, nil)
      file_resource = Chef::Resource::File.new('idontexist', run_context)
      file_resource.guard_interpreter :powershell_script

      allow_any_instance_of(Chef::GuardInterpreter::ResourceGuardInterpreter).to receive(:block_from_attributes).with(
        {:convert_boolean_return => true, :code => "$true"}).and_return(Proc.new {})
      resource.only_if("$true")
    end

    it "enables convert_boolean_return by default for guards in the context of powershell_script when guard params are specified" do
      guard_parameters = {:cwd => '/etc/chef', :architecture => :x86_64}
      allow_any_instance_of(Chef::GuardInterpreter::ResourceGuardInterpreter).to receive(:block_from_attributes).with(
        {:convert_boolean_return => true, :code => "$true"}.merge(guard_parameters)).and_return(Proc.new {})
      resource.only_if("$true", guard_parameters)
    end

    it "passes convert_boolean_return as true if it was specified as true in a guard parameter" do
      guard_parameters = {:cwd => '/etc/chef', :convert_boolean_return => true, :architecture => :x86_64}
      allow_any_instance_of(Chef::GuardInterpreter::ResourceGuardInterpreter).to receive(:block_from_attributes).with(
        {:convert_boolean_return => true, :code => "$true"}.merge(guard_parameters)).and_return(Proc.new {})
      resource.only_if("$true", guard_parameters)
    end

    it "passes convert_boolean_return as false if it was specified as true in a guard parameter" do
      other_guard_parameters = {:cwd => '/etc/chef', :architecture => :x86_64}
      parameters_with_boolean_disabled = other_guard_parameters.merge({:convert_boolean_return => false, :code => "$true"})
      allow_any_instance_of(Chef::GuardInterpreter::ResourceGuardInterpreter).to receive(:block_from_attributes).with(
        parameters_with_boolean_disabled).and_return(Proc.new {})
      resource.only_if("$true", parameters_with_boolean_disabled)
    end
  end

  context "as a script running in Windows-based scripting language" do
    let(:resource_instance) { @resource }
    let(:resource_instance_name ) { @resource.command }
    let(:resource_name) { :powershell_script }
    let(:interpreter_file_name) { 'powershell.exe' }

    it_behaves_like "a Windows script resource"
  end
end