add a mock fetcher

lib/fetchers/mock.rb

@@ -0,0 +1,27 @@
+# encoding: utf-8
+# author: Dominik Richter
+# author: Christoph Hartmann
+
+module Fetchers
+  class Mock < Inspec.fetcher(1)
+    name 'mock'
+    priority 0
+
+    def self.resolve(target)
+      return nil unless target.is_a? Hash
+      new(target)
+    end
+
+    def initialize(data)
+      @data = data
+    end
+
+    def files
+      @data.keys
+    end
+
+    def read(file)
+      @data[file]
+    end
+  end
+end

test/functional/command_test.rb

@@ -3,17 +3,11 @@
 # author: Christoph Hartmann
 
 require 'helper'
-require 'train'
-
-# activate hell!
 require 'minitest/hell'
 class Minitest::Test
   parallelize_me!
 end
 
-CMD = Train.create('local').connection
-TMP_CACHE = {}
-
 describe 'Inspec::InspecCLI' do
   let(:repo_path) { File.expand_path(File.join( __FILE__, '..', '..', '..')) }
   let(:exec_inspec) { File.join(repo_path, 'bin', 'inspec') }

test/helper.rb

@@ -29,6 +29,11 @@ require 'inspec/backend'
 require 'inspec/profile'
 require 'inspec/runner'
 require 'inspec/runner_mock'
+require 'fetchers/mock'
+
+require 'train'
+CMD = Train.create('local').connection
+TMP_CACHE = {}
 
 class MockLoader
   # collects emulation operating systems

test/unit/fetchers/mock_test.rb

@@ -0,0 +1,43 @@
+# encoding: utf-8
+# author: Dominik Richter
+# author: Christoph Hartmann
+
+require 'helper'
+
+describe Fetchers::Mock do
+  let(:fetcher) { Fetchers::Mock }
+
+  it 'registers with the fetchers registry' do
+    reg = Inspec::Fetcher.registry
+    _(reg['mock']).must_equal fetcher
+  end
+
+  it 'wont load nil' do
+    fetcher.resolve(nil).must_be :nil?
+  end
+
+  it 'wont load a string' do
+    fetcher.resolve(rand.to_s).must_be :nil?
+  end
+
+  describe 'applied to a map' do
+    it 'must be resolved' do
+      fetcher.resolve({}).must_be_kind_of fetcher
+    end
+
+    it 'has no files on empty' do
+      fetcher.resolve({}).files.must_equal []
+    end
+
+    it 'has files' do
+      f = rand.to_s
+      fetcher.resolve({f => nil}).files.must_equal [f]
+    end
+
+    it 'can read a file' do
+      f = rand.to_s
+      s = rand.to_s
+      fetcher.resolve({f => s}).read(f).must_equal s
+    end
+  end
+end