set up rspec

.rspec

@@ -0,0 +1,2 @@
+--color
+--require spec_helper

Rakefile

@@ -1,3 +1,12 @@
 #!/usr/bin/env rake
 
 require "bundler/gem_tasks"
+require 'rspec/core/rake_task'
+
+RSpec::Core::RakeTask.new(:spec)
+
+task :ci do
+  Rake::Task['spec'].invoke
+end
+
+task default: :ci

spec/fixtures/earlier_id_dump.txt

@@ -0,0 +1 @@
+x

spec/fixtures/later_id_dump.txt

@@ -0,0 +1 @@
+y

spec/spec_helper.rb

@@ -0,0 +1,74 @@
+require 'voyager_helpers'
+RSpec.configure do |config|
+  # rspec-expectations config goes here. You can use an alternate
+  # assertion/expectation library such as wrong or the stdlib/minitest
+  # assertions if you prefer.
+  config.expect_with :rspec do |expectations|
+    # This option will default to `true` in RSpec 4. It makes the `description`
+    # and `failure_message` of custom matchers include text for helper methods
+    # defined using `chain`, e.g.:
+    # be_bigger_than(2).and_smaller_than(4).description
+    #   # => "be bigger than 2 and smaller than 4"
+    # ...rather than:
+    #   # => "be bigger than 2"
+    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+  end
+
+  # rspec-mocks config goes here. You can use an alternate test double
+  # library (such as bogus or mocha) by changing the `mock_with` option here.
+  config.mock_with :rspec do |mocks|
+    # Prevents you from mocking or stubbing a method that does not exist on
+    # a real object. This is generally recommended, and will default to
+    # `true` in RSpec 4.
+    mocks.verify_partial_doubles = true
+  end
+
+# The settings below are suggested to provide a good initial experience
+# with RSpec, but feel free to customize to your heart's content.
+=begin
+  # These two settings work together to allow you to limit a spec run
+  # to individual examples or groups you care about by tagging them with
+  # `:focus` metadata. When nothing is tagged with `:focus`, all examples
+  # get run.
+  config.filter_run :focus
+  config.run_all_when_everything_filtered = true
+
+  # Limits the available syntax to the non-monkey patched syntax that is recommended.
+  # For more details, see:
+  #   - http://myronmars.to/n/dev-blog/2012/06/rspecs-new-expectation-syntax
+  #   - http://teaisaweso.me/blog/2013/05/27/rspecs-new-message-expectation-syntax/
+  #   - http://myronmars.to/n/dev-blog/2014/05/notable-changes-in-rspec-3#new__config_option_to_disable_rspeccore_monkey_patching
+  config.disable_monkey_patching!
+
+  # This setting enables warnings. It's recommended, but in some cases may
+  # be too noisy due to issues in dependencies.
+  config.warnings = true
+
+  # Many RSpec users commonly either run the entire suite or an individual
+  # file, and it's useful to allow more verbose output when running an
+  # individual spec file.
+  if config.files_to_run.one?
+    # Use the documentation formatter for detailed output,
+    # unless a formatter has already been configured
+    # (e.g. via a command-line flag).
+    config.default_formatter = 'doc'
+  end
+
+  # Print the 10 slowest examples and example groups at the
+  # end of the spec run, to help surface which specs are running
+  # particularly slow.
+  config.profile_examples = 10
+
+  # Run specs in random order to surface order dependencies. If you find an
+  # order dependency and want to debug it, you can fix the order by providing
+  # the seed, which is printed after each run.
+  #     --seed 1234
+  config.order = :random
+
+  # Seed global randomization in this process using the `--seed` CLI option.
+  # Setting this allows you to use `--seed` to deterministically reproduce
+  # test failures related to randomization by passing the same `--seed` value
+  # as the one that triggered the failure.
+  Kernel.srand config.seed
+=end
+end

spec/unit/voyager_helpers/sync_fu_spec.rb

@@ -0,0 +1,15 @@
+describe VoyagerHelpers::SyncFu do
+
+  let(:fixtures_dir) { File.join(File.dirname(__FILE__), '../../fixtures') }
+  let(:earlier_file) { File.join(fixtures_dir, 'earlier_id_dump.txt') }
+  let(:later_file) { File.join(fixtures_dir, 'later_id_dump.txt') }
+  let(:subject) { described_class }
+  describe '#compare_id_dumps' do
+
+    it 'sorts the entries as expected' do
+
+    end
+  end
+end
+
+

voyager_helpers.gemspec

@@ -12,15 +12,16 @@ Gem::Specification.new do |spec|
   spec.license       = 'Simplified BSD'
 
   spec.files         = `git ls-files`.split($/)
-  spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
-  spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
+  spec.test_files    = spec.files.grep(%r{^spec/})
   spec.require_paths = ['lib']
 
   spec.add_development_dependency 'bundler', '~> 1.7'
   spec.add_development_dependency 'rake', '~> 10.0'
+  spec.add_development_dependency 'rspec'
 
   spec.add_dependency 'activesupport', '~> 4.1'
   spec.add_dependency 'marc', '~> 0.8.2'
   spec.add_dependency 'ruby-oci8', '~> 2.1.7'
+  spec.add_dependency 'diffy', '~> 3.0.7'
 
 end