add inspec source reader

lib/inspec/source_reader.rb

@@ -27,3 +27,5 @@ module Inspec
     Inspec::Plugins::SourceReader
   end
 end
+
+require 'source_readers/inspec'

lib/source_readers/inspec.rb

@@ -0,0 +1,55 @@
+# encoding: utf-8
+# author: Dominik Richter
+# author: Christoph Hartmann
+
+require 'inspec/fetcher'
+require 'inspec/metadata'
+
+module SourceReaders
+  class InspecReader < Inspec.source_reader(1)
+    name 'inspec'
+    priority 10
+
+    def self.resolve(target)
+      return new(target, 'inspec.yml') if target.files.include?('inspec.yml')
+      # TODO: deprecated for 1.0.0 release
+      if target.files.include?('metadata.rb') &&
+         (
+           target.files.include?('controls') ||
+           target.files.include?('test')
+         )
+        return new(target, 'metadata.rb')
+      end
+      nil
+    end
+
+    attr_reader :metadata, :tests, :libraries
+
+    def initialize(target, metadata_source)
+      @target = target
+      @metadata = Inspec::Metadata.from_ref(
+        metadata_source,
+        @target.read(metadata_source),
+        nil)
+
+      @tests = load_tests
+      @libraries = load_libs
+    end
+
+    private
+
+    def load_tests
+      tests = @target.files.find_all do |path|
+        path.start_with?('controls', 'test') && path.end_with?('.rb')
+      end
+      Hash[tests.map { |x| [x, @target.read(x)] }]
+    end
+
+    def load_libs
+      tests = @target.files.find_all do |path|
+        path.start_with?('libraries') && path.end_with?('.rb')
+      end
+      Hash[tests.map { |x| [x, @target.read(x)] }]
+    end
+  end
+end

test/unit/fetchers/tar_test.rb

@@ -21,7 +21,7 @@ describe Fetchers::Tar do
     end
 
     it 'must contain all files' do
-      _(res.files).must_equal ["inspec.yml", "controls", "controls/filesystem_spec.rb"]
+      _(res.files).must_equal ["inspec.yml", "libraries", "libraries/testlib.rb", "controls", "controls/filesystem_spec.rb"]
     end
 
     it 'must not read if the file isnt included' do

test/unit/fetchers/url_test.rb

@@ -32,7 +32,7 @@ describe Fetchers::Url do
     end
 
     it 'must contain all files' do
-      _(res.files).must_equal ["inspec.yml", "controls", "controls/filesystem_spec.rb"]
+      _(res.files).must_equal ["inspec.yml", "libraries", "libraries/testlib.rb", "controls", "controls/filesystem_spec.rb"]
     end
 
     it 'must not read if the file isnt included' do

test/unit/fetchers/zip_test.rb

@@ -21,7 +21,7 @@ describe Fetchers::Zip do
     end
 
     it 'must contain all files' do
-      _(res.files).must_equal ["inspec.yml", "controls", "controls/filesystem_spec.rb"]
+      _(res.files).must_equal ["inspec.yml", "libraries", "libraries/testlib.rb", "controls", "controls/filesystem_spec.rb"]
     end
 
     it 'must not read if the file isnt included' do

test/unit/mock/profiles/complete-profile/libraries/testlib.rb

@@ -0,0 +1 @@
+# Library resource

test/unit/source_readers/inspec_test.rb

@@ -0,0 +1,38 @@
+# encoding: utf-8
+# author: Dominik Richter
+# author: Christoph Hartmann
+
+require 'helper'
+
+describe SourceReaders::InspecReader do
+  let(:reader) { SourceReaders::InspecReader }
+
+  it 'registers with the source readers registry' do
+    reg = Inspec::SourceReader.registry
+    _(reg['inspec']).must_equal reader
+  end
+
+  describe 'with a valid profile' do
+    let(:mock_file) { mock_file = MockLoader.profile_tgz('complete-profile') }
+    let(:target) { Inspec::Fetcher.resolve(mock_file) }
+    let(:res) { Inspec::SourceReader.resolve(target) }
+
+    it 'resolves the target to inspec' do
+      _(res).must_be_kind_of reader
+    end
+
+    it 'retrieves metadata' do
+      _(res.metadata.params[:name]).must_equal 'complete'
+    end
+
+    it 'retrieves all files' do
+      _(res.tests.keys).must_equal %w{controls/filesystem_spec.rb}
+      _(res.tests.values[0]).must_match /^control 'test01' do$/
+    end
+
+    it 'retrieves all libraries' do
+      _(res.libraries.keys).must_equal %w{libraries/testlib.rb}
+      _(res.libraries.values[0]).must_match /^# Library resource$/
+    end
+  end
+end