Adding Appraisal Gem Support to test multiple Rails versions, initial…

…ly checking for regressions on 3.1 , 3.2 and 4.0

.travis.yml

@@ -4,3 +4,8 @@ rvm:
   - 2.0.0
   - rbx-19mode
   - jruby-19mode
+gemfile:
+  #- gemfiles/rails3.0.gemfile
+  - gemfiles/rails3.1.gemfile
+  - gemfiles/rails3.2.gemfile
+  - gemfiles/rails4.0.gemfile

Appraisals

@@ -0,0 +1,19 @@
+# appraise "rails3.0" do
+#   gem "rails", "~> 3.0.15"
+#   gem "mailboxer", :path => "../"
+# end
+
+appraise "rails3.1" do
+  gem "rails", "~> 3.1.6"
+  gem "mailboxer", :path => "../"
+end
+
+appraise "rails3.2" do
+  gem "rails", "~> 3.2.6"
+  gem "mailboxer", :path => "../"
+end
+
+appraise "rails4.0" do
+  gem "rails", ">=4.0.0"
+  gem "mailboxer", :path => "../"
+end

Rakefile

@@ -1,5 +1,9 @@
+require 'rubygems'
+require 'bundler/setup'
+
 require "bundler/gem_tasks"
 
+require 'appraisal'
 require 'rspec/core'
 require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new(:spec)

gemfiles/rails3.0.gemfile

@@ -0,0 +1,8 @@
+# This file was generated by Appraisal
+
+source "http://rubygems.org"
+
+gem "rails", "~> 3.0.15"
+gem "mailboxer", :path=>"../"
+
+gemspec :path=>"../"

gemfiles/rails3.1.gemfile

@@ -0,0 +1,8 @@
+# This file was generated by Appraisal
+
+source "http://rubygems.org"
+
+gem "rails", "~> 3.1.6"
+gem "mailboxer", :path=>"../"
+
+gemspec :path=>"../"

gemfiles/rails3.2.gemfile

@@ -0,0 +1,8 @@
+# This file was generated by Appraisal
+
+source "http://rubygems.org"
+
+gem "rails", "~> 3.2.6"
+gem "mailboxer", :path=>"../"
+
+gemspec :path=>"../"

gemfiles/rails4.0.gemfile

@@ -0,0 +1,8 @@
+# This file was generated by Appraisal
+
+source "http://rubygems.org"
+
+gem "rails", ">=4.0.0"
+gem "mailboxer", :path=>"../"
+
+gemspec :path=>"../"

mailboxer.gemspec

@@ -26,6 +26,7 @@ Gem::Specification.new do |s|
   end
   # Specs
   s.add_development_dependency('rspec-rails', '>= 2.6.1')
+  s.add_development_dependency("appraisal")
   # Fixtures
   #if RUBY_VERSION >= '1.9.2'
    # s.add_development_dependency('factory_girl', '>= 3.0.0')