How to get jasmine to work with CoffeeScript

Rakefile

begin
  require 'bundler'
rescue => e
  puts 'Bundler could not be loaded. Please run `gem install bundler` from the command-line, and then `bundle install`.'
  raise e
end

Bundler.require :default

load 'jasmine/tasks/jasmine.rake'

namespace :compile do
  require 'sprockets'
  @env = Sprockets::Environment.new

  @compiler = proc {|resources_path, compiled_path, ext|
    @env.paths  << resources_path

    resources_pn = Pathname(resources_path)
    compiled_pn  = Pathname(compiled_path)
    resources    = Dir.glob(resources_pn.join("**/*.#{ext}*"))

    resources.each {|file|
      in_file   = Pathname(file).relative_path_from(resources_pn).to_s
      out_name  = in_file.gsub(/(.*)\.#{ext}\b.*$/, "\\1.#{ext}")
      out_file  = compiled_pn.join(out_name)

      out_file.dirname.mkpath unless Dir.exist?(out_file.dirname)

      File.open(out_file, 'w') do |out|
        out.write @env[in_file]
      end
    }
  }

  task :js do
    @compiler['resources/javascripts', 'compiled/javascripts', 'js']
  end

  task :css do
    @compiler['resources/stylesheets', 'compiled/stylesheets', 'css']
  end

  task :jasmine do
    @compiler['spec/javascripts', 'spec/compiled/javascripts', 'js']
  end
end

desc 'Compile all of your javascript and css assets, through Sprockets'
task :compile => ['compile:js', 'compile:css']

desc 'Compile all of your assets and run jasmine'
task :spec => ['compile', 'compile:jasmine', 'jasmine']

z_jasmine.yml

# src_files
#
# Return an array of filepaths relative to src_dir to include before jasmine specs.
# Default: []
#
# EXAMPLE:
#
# src_files:
#   - lib/source1.js
#   - lib/source2.js
#   - dist/**/*.js
#
src_files:
    - compiled/javascripts/**/*.js

# stylesheets
#
# Return an array of stylesheet filepaths relative to src_dir to include before jasmine specs.
# Default: []
#
# EXAMPLE:
#
# stylesheets:
#   - css/style.css
#   - stylesheets/*.css
#
stylesheets:

# helpers
#
# Return an array of filepaths relative to spec_dir to include before jasmine specs.
# Default: ["helpers/**/*.js"]
#
# EXAMPLE:
#
# helpers:
#   - helpers/**/*.js
#
helpers:

# spec_files
#
#  Return an array of filepaths relative to spec_dir to include.
# Default: ["**/*[sS]pec.js"]
#
# EXAMPLE:
#
# spec_files:
#   - **/*[sS]pec.js
#
spec_files:

# src_dir
#
# Source directory path. Your src_files must be returned relative to this path. Will use root if left blank.
# Default: project root
#
# EXAMPLE:
#
# src_dir: public
#
src_dir:

# spec_dir
#
# Spec directory path. Your spec_files must be returned relative to this path.
# Default: spec/javascripts
#
# EXAMPLE:
#
# spec_dir: spec/javascripts
#
spec_dir: spec/compiled/javascripts

If you stumble upon this via google, check out: https://github.com/sgonyea/sprockets_jasmine_coffeescript-example