moved 'erect' specs out of rails spec dir; added spec for generating …

…rails app then running 'erector' on it

spec/erect/erect_rails_spec.rb

@@ -0,0 +1,62 @@
+require File.expand_path("#{File.dirname(__FILE__)}/../spec_helper")
+
+require "erector/rails"
+
+# Note: this is *not* inside the rails_root since we're not testing 
+# Erector inside a rails app. We're testing that we can use the command-line
+# converter tool on a newly generated scaffold app (like we brag about in the 
+# user guide).
+#
+module Erector
+
+  describe "the user running this spec" do
+    it "should have the correct Rails gem (version #{Erector::Rails::RAILS_VERSION}) installed" do
+      target_version = Gem::Version.new(Erector::Rails::RAILS_VERSION)
+      dep = Gem::Dependency.new "rails", target_version
+      specs = Gem.source_index.search dep
+      specs.size.should == 1
+    end
+  end
+
+  describe "Erect in a Rails app" do
+
+    def run(cmd)
+      puts cmd
+      stdout = `#{cmd}`
+      if $? != 0
+        raise "Command #{cmd} failed, returning '#{stdout}', current dir '#{Dir.getwd}'"
+      else
+        return stdout
+      end
+    end
+
+    def run_rails(app_dir)
+      # To ensure we're working with the right version of Rails we use "gem 'rails', 1.2.3"
+      # in a "ruby -e" command line invocation of the rails executable to generate an
+      # app called explode.
+      #
+      puts "Generating fresh rails #{Erector::Rails::RAILS_VERSION} app"
+      run "ruby -e \"require 'rubygems'; gem 'rails', '#{Erector::Rails::RAILS_VERSION}'; load 'rails'\" #{app_dir}"
+    end
+
+    it "works like we say it does in the user guide" do
+      app_dir = Dir.tmpdir + "/#{Time.now.to_i}" + "/explode"
+      erector_bin = File.expand_path("#{File.dirname(__FILE__)}/../../bin")
+
+      FileUtils.mkdir_p(app_dir)
+      run_rails app_dir
+      FileUtils.cd(app_dir, :verbose => true) do
+        run "script/generate scaffold post title:string body:text published:boolean"
+        run "#{erector_bin}/erector app/views/posts"
+        FileUtils.rm_f("app/views/posts/*.erb")
+        run "(echo ''; echo \"require 'erector'\") >> config/environment.rb"
+        run "rake db:migrate"
+        # run "script/server" # todo: launch in background; use mechanize or something to crawl it; then kill it
+        # perhaps use open4?
+        # open http://localhost:3000/posts
+      end
+    end
+
+  end
+
+end

spec/rails_root/spec/erect/erect_spec.rb → spec/erect/erect_spec.rb

@@ -1,4 +1,6 @@
-require File.expand_path("#{File.dirname(__FILE__)}/../rails_spec_helper")
+require File.expand_path("#{File.dirname(__FILE__)}/../spec_helper")
+
+require "erector/erect"
 
 module Erector
   describe Erect do
@@ -75,7 +77,14 @@ def capture
     end
 
     it "returns false when there's an error during run" do
-      Erect.new(["MISSINGFILE"]).run.should == false
+      begin
+        require 'stringio'
+        $stdout = StringIO.new
+        Erect.new(["MISSINGFILE"]).run.should == false
+      ensure
+        $stdout = STDOUT
+      end
+
     end
 
   end

spec/rails_root/spec/erect/erected_spec.rb → spec/erect/erected_spec.rb

@@ -1,4 +1,6 @@
-require File.expand_path("#{File.dirname(__FILE__)}/../rails_spec_helper")
+require File.expand_path("#{File.dirname(__FILE__)}/../spec_helper")
+
+require "erector/erect"
 
 module Erector
   describe Erected do

spec/rails_root/spec/erect/rhtml_parser_spec.rb → spec/erect/rhtml_parser_spec.rb

@@ -1,4 +1,6 @@
-require File.expand_path("#{File.dirname(__FILE__)}/../rails_spec_helper")
+require File.expand_path("#{File.dirname(__FILE__)}/../spec_helper")
+
+require "erector/erect"
 
 module ParserTestHelper
   def assert_evals_to_self(input)