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path: root/spec/support/shared/unit/script_resource.rb
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#
# Author:: Adam Jacob (<adam@chef.io>)
# Author:: Tyler Cloke (<tyler@chef.io>)
# 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.
#

shared_examples_for "a script resource" do

  it "should create a new Chef::Resource::Script" do
    expect(script_resource).to be_a_kind_of(Chef::Resource)
    expect(script_resource).to be_a_kind_of(Chef::Resource::Script)
  end

  it "should have a resource name of :script" do
    expect(script_resource.resource_name).to eql(resource_name)
  end

  it "should set command to nil on the resource" do
    expect(script_resource.command).to be nil
  end

  it "should accept a string for the code" do
    script_resource.code "hey jude"
    expect(script_resource.code).to eql("hey jude")
  end

  it "should accept a string for the flags" do
    script_resource.flags "-f"
    expect(script_resource.flags.strip).to eql("-f")
  end

  it "should raise an exception if users set command on the resource" do
    expect { script_resource.command("foo") }.to raise_error(Chef::Exceptions::Script)
  end

  describe "when executing guards" do
    it "inherits exactly the :cwd, :environment, :group, :path, :user, and :umask attributes from a parent resource class" do
      inherited_difference = Chef::Resource::Script.guard_inherited_attributes -
        %i{cwd environment group path user umask}

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

    it "when guard_interpreter is set to the default value, the guard command string should be evaluated by command execution and not through a resource" do
      expect_any_instance_of(Chef::Resource::Conditional).not_to receive(:evaluate_block)
      expect_any_instance_of(Chef::GuardInterpreter::ResourceGuardInterpreter).not_to receive(:evaluate)
      expect_any_instance_of(Chef::GuardInterpreter::DefaultGuardInterpreter).to receive(:evaluate).and_return(true)
      script_resource.only_if "echo hi"
      expect(script_resource.should_skip?(:run)).to eq(nil)
    end

    it "when a valid guard_interpreter resource is specified, a block should be used to evaluate the guard" do
      expect_any_instance_of(Chef::Resource::Conditional).not_to receive(:evaluate_block)
      expect_any_instance_of(Chef::GuardInterpreter::DefaultGuardInterpreter).not_to receive(:evaluate)
      expect_any_instance_of(Chef::GuardInterpreter::ResourceGuardInterpreter).to receive(:evaluate).and_return(true)
      script_resource.guard_interpreter :script
      script_resource.only_if "echo hi"
      expect(script_resource.should_skip?(:run)).to eq(nil)
    end
  end
end