Contents

# -*- encoding: utf-8 -*-
#
# Author:: Fletcher Nichol (<[e-mail]>)
#
# Copyright (C) 2015, Fletcher Nichol
#
# 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 "thor/util"

require "kitchen/errors"

module Kitchen

  # A verifier is responsible for running tests post-converge to confirm that
  # the instance is in a known/consistent state.
  #
  # @author Fletcher Nichol <[e-mail]>
  module Verifier

    # Default verifier to use
    DEFAULT_PLUGIN = "busser".freeze

    # Returns an instance of a verifier given a plugin type string.
    #
    # @param plugin [String] a verifier plugin type, to be constantized
    # @param config [Hash] a configuration hash to initialize the verifier
    # @return [Verifier::Base] a verifier instance
    # @raise [ClientError] if a verifier instance could not be created
    def self.for_plugin(plugin, config)
      first_load = require("kitchen/verifier/#{plugin}")

      str_const = Thor::Util.camel_case(plugin)
      klass = const_get(str_const)
      object = klass.new(config)
      object.verify_dependencies if first_load
      object
    rescue LoadError, NameError
      raise ClientError,
        "Could not load the '#{plugin}' verifier from the load path." \
          " Please ensure that your transport is installed as a gem or" \
          " included in your Gemfile if using Bundler."
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
test-kitchen-1.10.1	lib/kitchen/verifier.rb
test-kitchen-1.7.0	lib/kitchen/verifier.rb