appraisal generate is now working

lib/appraisal/cli.rb

@@ -2,9 +2,11 @@
 
 module Appraisal
   class CLI < Thor
-    desc '', ''
-    def default
-      puts 'fuck yeah'
+    desc 'generate', 'generate a gemfile for each appraisal'
+    def generate
+      File.each do |appraisal|
+        appraisal.write_gemfile
+      end
     end
   end
 end

spec/acceptance/cli_spec.rb

@@ -1,27 +1,30 @@
 require 'spec_helper'
 
-describe 'CLI', 'generate' do
-  it 'generates the gemfiles' do
-    build_gem 'dummy', '1.0.0'
-    build_gem 'dummy', '1.1.0'
-    build_appraisal_file <<-Appraisal.strip_heredoc
-      appraise '1.0.0' do
-        gem 'dummy', '1.1.0'
-      end
+describe 'CLI' do
+  context 'appraisal generate' do
+    it 'generates the gemfiles' do
+      build_appraisal_file <<-Appraisal
+        appraise '1.0.0' do
+          gem 'dummy', '1.0.0'
+        end
 
-      appraise '1.1.1' do
-        gem 'dummy', '1.1.0'
-      end
-    Appraisal
+        appraise '1.1.0' do
+          gem 'dummy', '1.1.0'
+        end
+      Appraisal
 
-    run_simple 'appraisal generate'
+      run_simple 'appraisal generate'
 
-    expect_file('gemfiles/1.0.0.gemfile').to be_exists
-    expect_file('gemfiles/1.1.0.gemfile').to be_exists
-    expect_file('gemfiles/1.0.0.gemfile').content.to eq <<-gemfile.strip_heredoc
-      source 'https://rubygems.org'
+      expect_file('gemfiles/1.0.0.gemfile').to be_exists
+      expect_file('gemfiles/1.1.0.gemfile').to be_exists
+      expect_file('gemfiles/1.0.0.gemfile').to contains <<-gemfile.strip_heredoc
+        # This file was generated by Appraisal
 
-      gem 'dummy', '1.0.0'
-    gemfile
+        source "https://rubygems.org"
+
+        gem "appraisal", :path=>"../../"
+        gem "dummy", "1.0.0"
+      gemfile
+    end
   end
 end

spec/spec_helper.rb

@@ -1,16 +1,13 @@
 require 'rubygems'
 require 'bundler/setup'
 require 'aruba/api'
-require 'active_support/core_ext/string/strip'
-require './features/support/dependency_helpers'
+require './spec/support/acceptance_test_helpers'
 
 PROJECT_ROOT = File.expand_path(File.join(File.dirname(__FILE__), '..')).freeze
 TMP_GEM_ROOT = File.join(PROJECT_ROOT, "tmp", "gems")
 
-Dir[File.dirname(__FILE__) + "/support/**/*.rb"].each {|f| require f }
-
 RSpec.configure do |config|
-  config.include Aruba::Api
-  config.include AppraisalHelpers
-  config.include DependencyHelpers
+  config.include AcceptanceTestHelpers, :type => :acceptance, :example_group => {
+    :file_path => %r{spec\/acceptance\/}
+  }
 end

spec/support/acceptance_test_helpers.rb

@@ -0,0 +1,105 @@
+require 'rspec/expectations/expectation_target'
+require 'active_support/core_ext/string/strip'
+require 'active_support/concern'
+require './features/support/dependency_helpers'
+
+module AcceptanceTestHelpers
+  extend ActiveSupport::Concern
+  include Aruba::Api
+  include DependencyHelpers
+
+  included do
+    metadata[:type] = :acceptance
+
+    before :all do
+      initialize_aruba_instance_variables
+    end
+
+    before do
+      cleanup_artifacts
+      build_default_dummy_gems
+      unset_bundler_env_vars
+      ENV["GEM_PATH"] = [TMP_GEM_ROOT, ENV["GEM_PATH"]].join(":")
+    end
+
+    after do
+      restore_env
+    end
+  end
+
+  def build_appraisal_file(content)
+    write_file 'Appraisals', content.strip_heredoc
+  end
+
+  def build_gemfile(content)
+    write_file 'Gemfile', content.strip_heredoc
+  end
+
+  def expect_file(filename)
+    expect(filename)
+  end
+
+  def contains(expected)
+    FileContentMatcher.new(expected)
+  end
+
+  def be_exists
+    FileExistsMatcher.new
+  end
+
+  private
+
+  def cleanup_artifacts
+    FileUtils.rm_rf(current_dir)
+  end
+
+  def initialize_aruba_instance_variables
+    @announce_stdout = nil
+    @announce_stderr = nil
+    @announce_cmd = nil
+    @announce_dir = nil
+    @announce_env = nil
+    @aruba_timeout_seconds = 60
+    @aruba_io_wait_seconds = nil
+  end
+
+  def build_default_dummy_gems
+    FileUtils.rm_rf(TMP_GEM_ROOT)
+    FileUtils.mkdir_p(TMP_GEM_ROOT)
+
+    build_gem 'dummy', '1.0.0'
+    build_gem 'dummy', '1.1.0'
+    build_gemfile <<-Gemfile
+      source 'https://rubygems.org'
+
+      gem 'dummy'
+      gem 'appraisal', :path => '../../'
+    Gemfile
+  end
+
+  class FileExistsMatcher
+    include Aruba::Api
+
+    def matches?(expected)
+      @expected = expected
+      in_current_dir { File.exists?(@expected) }
+    end
+
+    def failure_message_for_should
+      "file #{@expected.inspect} does not exist.\n"
+    end
+
+    def failure_message_for_should_not
+      "file #{@expected.inspect} exists.\n"
+    end
+  end
+
+  class FileContentMatcher < RSpec::Matchers::BuiltIn::Eq
+    include Aruba::Api
+
+    def matches?(filename)
+      @actual = in_current_dir { File.read(filename) }
+      expected == actual
+    end
+  end
+end