vim syntax highlighting for shoulda using rails.vim. place rails.vim in ~/.vim/macros/

generate_vim_rails_macro.rb

RAILS_ROOT = 'zomg'
class Logger
  def initialize(*args)
  end
  def info(*args)
  end
end
module Rails
  
  def self.logger
    Logger.new('zomg')
  end

end
require 'ruby-debug'
require 'active_record'
require 'action_controller'
require 'action_view'
require 'action_mailer'
require 'shoulda'

def module_methods(some_module)
  some_module.instance_methods.select do |method|
    method =~ /^(should|assert)/
  end.join(' ')
end

puts <<-EOL
if RailsFileType() =~# '^test'
  syn keyword rubyShouldaKeywords #{module_methods(Shoulda::ClassMethods)}
  syn keyword rubyShouldaAsserts #{module_methods(Shoulda::Assertions)}
  syn keyword rubyShouldaMacros #{module_methods(Shoulda::Macros)}
  syn keyword rubyShouldaActionControllerMacros #{module_methods(Shoulda::ActionController::Macros)}
  syn keyword rubyShouldaActionMailerAsserts #{module_methods(Shoulda::ActionMailer::Assertions)}
  syn keyword rubyShouldaActionViewMacros #{module_methods(Shoulda::ActionView::Macros)}
  syn keyword rubyShouldaActiveRecordAsserts #{module_methods(Shoulda::ActiveRecord::Assertions)}
  syn keyword rubyShouldaActiveRecordMacros #{module_methods(Shoulda::ActiveRecord::Macros)}

  hi def link rubyShouldaKeywords rubyRailsTestMethod
  hi def link rubyShouldaAsserts rubyRailsTestMethod
  hi def link rubyShouldaMacros rubyRailsTestMethod
  hi def link rubyShouldaActionControllerMacros rubyRailsTestMethod
  hi def link rubyShouldaActionMailerAsserts rubyRailsTestMethod
  hi def link rubyShouldaActionViewMacros rubyRailsTestMethod
  hi def link rubyShouldaActiveRecordAsserts rubyRailsTestMethod
  hi def link rubyShouldaActiveRecordMacros rubyRailsTestMethod
endif
EOL

rails.vim

if RailsFileType() =~# '^test'
  syn keyword rubyShouldaKeywords should_eventually should
  syn keyword rubyShouldaAsserts assert_contains assert_same_elements assert_accepts assert_rejects assert_does_not_contain
  syn keyword rubyShouldaMacros should_not_change should_change
  syn keyword rubyShouldaActionControllerMacros should_set_the_flash_to should_respond_with_content_type should_assign_to should_render_without_layout should_render_template should_respond_with should_route should_filter_params should_return_from_session should_not_assign_to should_not_set_the_flash should_render_with_layout should_set_session should_redirect_to
  syn keyword rubyShouldaActionMailerAsserts assert_sent_email assert_did_not_send_email
  syn keyword rubyShouldaActionViewMacros should_render_a_form should_render_page_with_metadata
  syn keyword rubyShouldaActiveRecordAsserts assert_valid assert_bad_value assert_save assert_good_value
  syn keyword rubyShouldaActiveRecordMacros should_allow_values_for should_validate_numericality_of should_have_index should_protect_attributes should_ensure_length_is should_have_instance_methods should_validate_uniqueness_of should_have_one should_have_named_scope should_have_indices should_not_allow_mass_assignment_of should_have_class_methods should_require_attributes should_ensure_length_in_range should_have_many should_require_acceptance_of should_not_allow_values_for should_have_db_column should_allow_mass_assignment_of should_ensure_length_at_least should_belong_to should_validate_presence_of should_only_allow_numeric_values_for should_validate_acceptance_of should_have_readonly_attributes should_ensure_value_in_range should_have_db_columns should_require_unique_attributes should_have_and_belong_to_many

  hi def link rubyShouldaKeywords rubyRailsTestMethod
  hi def link rubyShouldaAsserts rubyRailsTestMethod
  hi def link rubyShouldaMacros rubyRailsTestMethod
  hi def link rubyShouldaActionControllerMacros rubyRailsTestMethod
  hi def link rubyShouldaActionMailerAsserts rubyRailsTestMethod
  hi def link rubyShouldaActionViewMacros rubyRailsTestMethod
  hi def link rubyShouldaActiveRecordAsserts rubyRailsTestMethod
  hi def link rubyShouldaActiveRecordMacros rubyRailsTestMethod
endif