runspecs in schema_associations-0.1.2 vs runspecs in schema_associations-1.0.0

@@ -1,23 +1,30 @@
 #!/usr/bin/env ruby
 
 require 'optparse'
 require 'ostruct'
+require 'shellwords'
+require 'tempfile'
 
-PROJECT = File.basename(File.expand_path('..', __FILE__))
+RUBY_VERSIONS = %W[1.9.2 1.9.3]
+RAILS_VERSIONS = %W[3.2]
 
-RUBY_VERSIONS = %W[1.8.7 1.9.2]
-RAILS_VERSIONS = %W[2.3 3.0 3.1]
-
 o = OpenStruct.new
 o.ruby_versions = RUBY_VERSIONS
 o.rails_versions = RAILS_VERSIONS
-o.run_cmd = "rake spec"
 
 OptionParser.new do |opts|
     opts.banner = "Usage: #{$0} [options]"
 
+    opts.on("-n", "--dry-run", "Do a dry run without executing actions") do |v|
+        o.dry_run = true
+    end
+
+    opts.on("--update", "Update gem dependencies") do |v|
+        o.update = v
+    end
+
     opts.on("--install", "Install gem dependencies") do |v|
         o.install = v
     end
 
     opts.on("--ruby version", String, "Choose which version(s) of ruby to run.  Default is: #{o.ruby_versions.join(' ')}") do |ruby|
@@ -31,28 +38,53 @@
     opts.on("--quick", "quick run ruby #{RUBY_VERSIONS.last} and rails #{RAILS_VERSIONS.last}") do
       o.ruby_versions  = [RUBY_VERSIONS.last]
       o.rails_versions = [RAILS_VERSIONS.last]
     end
 
+    opts.on("--rspec", "run rspec rather than rake") do |v|
+        o.rspec = v
+    end
+
 end.parse!
 
-cmds = if o.install
-           ['bundle update']
-       else
-           ['bundle update --local rails | grep rails', o.run_cmd]
-       end
 
-n = 1
-total = o.ruby_versions.size * o.rails_versions.size
-o.ruby_versions.each do |ruby|
-    o.rails_versions.each do |rails|
-        puts "\n\n*** ruby version #{ruby} - rails version #{rails}  [#{n} of #{total}]\n\n"
-        n += 1
-        allcmds = []
-        allcmds << "rvm use #{ruby}"
-        allcmds << "export #{PROJECT.upcase}_RAILS_VERSION=#{rails}"
-        allcmds += cmds
-        allcmds << 'exit'
-        system %Q{echo '#{allcmds.join(' \n ')}' | bash -i} or abort "aborting #{$0}"
+Combo = Struct.new(:ruby, :rails)
+
+combos = o.ruby_versions.product(o.rails_versions).map{|product| Combo.new(*product)}.select {|combo|
+    case
+    when combo.rails >= "3.2" && combo.ruby <= "1.8.7" then false
+    else true
     end
-end
+}
 
+
+GEMFILES_DIR = File.expand_path('../gemfiles', __FILE__)
+errs = []
+combos.each_with_index do |combo, n|
+    ruby = combo.ruby
+    rails = combo.rails
+
+    cmd = case
+          when o.update
+              "bundle update"
+          when o.install
+              "bundle install"
+          when o.rspec
+              "bundle exec rspec"
+          else
+              "bundle exec rake spec"
+          end
+
+    command = %Q{BUNDLE_GEMFILE="#{File.join(GEMFILES_DIR, "Gemfile.rails-#{rails}")}" rvm #{ruby} do #{cmd} #{Shellwords.join(ARGV)}}
+
+    puts "\n\n*** ruby version #{ruby} - rails version #{rails}  [#{n+1} of #{combos.size}]\n\n#{command}"
+
+        next if o.dry_run
+
+    Tempfile.open('runspecs') do |file|
+        system("(#{command}) 2>&1 | tee #{file.path}")
+        file.rewind
+        errs << "ruby #{ruby}, rails #{rails}" if file.readlines.grep(/^Failed examples/).any?
+    end
+end
+puts errs.any? ?  "\n*** #{errs.size} failures:\n\t#{errs.join("\n\t")}" : "\n*** #{combos.size > 1 ? 'all versions' : 'spec'} succeeded ***" unless o.dry_run
+exit !errs.any?