Class: RSpec::Puppet::Adapters::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/rspec-puppet/adapters.rb

Instance Method Summary collapse

Instance Method Details

#catalog(node, exported) ⇒ Object 



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# File 'lib/rspec-puppet/adapters.rb', line 118

def catalog(node, exported)
  node.environment = current_environment
  # Override $::environment to workaround PUP-5835, where Puppet otherwise
  # stores a symbol for the parameter
  if node.parameters['environment'] != node.parameters['environment'].to_s
    node.parameters['environment'] = current_environment.name.to_s
  end

  catalog = if exported
              # Use the compiler directly to skip the filtering done by the indirector
              Puppet::Parser::Compiler.compile(node).filter { |r| !r.exported? }
            else
              Puppet::Resource::Catalog.indirection.find(node.name, use_node: node)
            end

  Puppet::Pops::Evaluator::DeferredResolver.resolve_and_replace(node.facts, catalog)

  catalog
end

#current_environment ⇒ Object 



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# File 'lib/rspec-puppet/adapters.rb', line 138

def current_environment
  Puppet::Node::Environment.new(@environment_name)
end

#get_setting(example_group, rspec_setting) ⇒ Object 



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# File 'lib/rspec-puppet/adapters.rb', line 110

def get_setting(example_group, rspec_setting)
  if example_group.respond_to?(rspec_setting)
    example_group.send(rspec_setting)
  else
    RSpec.configuration.send(rspec_setting)
  end
end

#manifest ⇒ String?

Returns The path to the Puppet manifest if it is present and set, nil otherwise.

Returns:

  • (String, nil) —

    The path to the Puppet manifest if it is present and set, nil otherwise.



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# File 'lib/rspec-puppet/adapters.rb', line 164

def manifest
  m = current_environment.manifest
  if m == Puppet::Node::Environment::NO_MANIFEST
    nil
  else
    m
  end
end

#modulepath ⇒ Object 



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# File 'lib/rspec-puppet/adapters.rb', line 159

def modulepath
  current_environment.modulepath
end

#set_facter_impl(impl) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Set the FacterImpl constant to the given Facter implementation or noop if the constant is already set. If a proc is given, it will only be called if FacterImpl is not defined.

Parameters:

  • impl (Object, Proc) —

    An object or a proc that implements the Facter API



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# File 'lib/rspec-puppet/adapters.rb', line 180

def set_facter_impl(impl)
  return if defined?(FacterImpl)

  impl = impl.call if impl.is_a?(Proc)
  Object.send(:const_set, :FacterImpl, impl)
end

#settings_map ⇒ Object 



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# File 'lib/rspec-puppet/adapters.rb', line 142

def settings_map
  [
    %i[modulepath module_path],
    %i[basemodulepath basemodulepath],
    %i[config config],
    %i[confdir confdir],
    %i[environmentpath environmentpath],
    %i[hiera_config hiera_config],
    %i[strict_variables strict_variables],
    %i[vendormoduledir vendormoduledir]
  ]
end

#setup_puppet(example_group) ⇒ void

This method returns an undefined value.

Set up all Puppet settings applicable for this Puppet version as application defaults.

Puppet setting values can be taken from the global RSpec configuration, or from the currently executing RSpec context. When a setting is specified both in the global configuration and in the example group, the setting in the example group is preferred.

Examples:

Configuring a Puppet setting from within an RSpec example group

RSpec.describe 'my_module::my_class', :type => :class do
  let(:module_path) { "/Users/luke/modules" }
  #=> Puppet[:modulepath] will be "/Users/luke/modules"
end

Configuring a Puppet setting with both a global RSpec configuration and local context

RSpec.configure do |config|
  config.confdir = "/etc/puppet"
end
RSpec.describe 'my_module', :type => :class do
  # Puppet[:confdir] will be "/etc/puppet"
end
RSpec.describe 'my_module::my_class', :type => :class do
  let(:confdir) { "/etc/puppetlabs/puppet" }
  # => Puppet[:confdir] will be "/etc/puppetlabs/puppet" in this example group
end
RSpec.describe 'my_module::my_define', :type => :define do
  # Puppet[:confdir] will be "/etc/puppet" again
end

Parameters:

  • example_group (RSpec::Core::ExampleGroup) —

    The RSpec context to use for local settings



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# File 'lib/rspec-puppet/adapters.rb', line 38

def setup_puppet(example_group)
  case RSpec.configuration.facter_implementation.to_sym
  when :rspec
    # Lazily instantiate FacterTestImpl here to optimize memory
    # allocation, as the proc will only be called if FacterImpl is unset
    set_facter_impl(proc { RSpec::Puppet::FacterTestImpl.new })
  when :facter
    set_facter_impl(Facter)
  else
    raise "Unsupported facter_implementation '#{RSpec.configuration.facter_implementation}'"
  end

  Puppet.runtime[:facter] = FacterImpl

  settings = settings_map.map do |puppet_setting, rspec_setting|
    [puppet_setting, get_setting(example_group, rspec_setting)]
  end.flatten
  default_hash = { confdir: '/dev/null', vardir: '/dev/null' }
  if defined?(Puppet::Test::TestHelper) && Puppet::Test::TestHelper.respond_to?(:app_defaults_for_tests, true)
    default_hash.merge!(Puppet::Test::TestHelper.send(:app_defaults_for_tests))
  end
  settings_hash = default_hash.merge(Hash[*settings])
  if Gem.win_platform?
    settings_hash.each_with_object(settings_hash) do |(k, v), h|
      h[k] = v == '/dev/null' ? 'c:/nul/' : v
    end
  end

  Puppet.settings.initialize_app_defaults(settings_hash)

  # Forcefully apply the environmentpath setting instead of relying on
  # the application defaults as Puppet::Test::TestHelper automatically
  # sets this value as well, overriding our application default
  Puppet.settings[:environmentpath] = settings_hash[:environmentpath] if settings_hash.key?(:environmentpath)

  @environment_name = example_group.environment

  modulepath = if (rspec_modulepath = RSpec.configuration.module_path)
                 rspec_modulepath.split(File::PATH_SEPARATOR)
               else
                 Puppet[:environmentpath].split(File::PATH_SEPARATOR).map do |path|
                   File.join(path, 'fixtures', 'modules')
                 end
               end

  if (rspec_manifest = RSpec.configuration.manifest)
    manifest = rspec_manifest
  else
    manifest_paths = Puppet[:environmentpath].split(File::PATH_SEPARATOR).map do |path|
      File.join(path, 'fixtures', 'manifests')
    end

    manifest = manifest_paths.find do |path|
      File.exist?(path)
    end

    manifest ||= Puppet::Node::Environment::NO_MANIFEST
  end

  env = Puppet::Node::Environment.create(@environment_name, modulepath, manifest)
  loader = Puppet::Environments::Static.new(env)

  Puppet.push_context(
    {
      environments: loader,
      current_environment: env,
      loaders: Puppet::Pops::Loaders.new(env)
    },
    'Setup rspec-puppet environments'
  )
end