require 'rspec/core/rake_task'
require 'bundler/gem_tasks'
# require 'rake/extensiontask'

# spec = Gem::Specification.load('calc.gemspec')

# Rake::ExtensionTask.new('calc', spec)

desc 'Default: run specs.'
task :default => :spec

desc "Run specs"
RSpec::Core::RakeTask.new do |t|
  t.pattern = "./spec/**/*_spec.rb" # don't need this, it's default.
  # Put spec opts in a file named .rspec in root
end

desc "Generate code coverage"
RSpec::Core::RakeTask.new(:coverage) do |t|
  t.pattern = "./spec/**/*_spec.rb" # don't need this, it's default.
end

require 'rake/testtask'
require 'rake/clean'

NAME = 'calc'

# rule to build the extension: this says
# that the extension should be rebuilt
# after any change to the files in ext
file "lib/#{NAME}/#{NAME}.so" =>
    Dir.glob("ext/#{NAME}/*{.rb,.c}") do
  Dir.chdir("ext/#{NAME}") do
    # this does essentially the same thing
    # as what RubyGems does
    ruby "extconf.rb"
    sh "make"
  end
  cp "ext/#{NAME}/#{NAME}.so", "lib/#{NAME}"
end

# make the :test task depend on the shared
# object, so it will be built automatically
# before running the tests
task :spec => "lib/#{NAME}/#{NAME}.so"

# use 'rake clean' and 'rake clobber' to
# easily delete generated files
CLEAN.include('ext/**/*{.o,.log,.so}')
CLEAN.include('ext/**/Makefile')
CLOBBER.include('lib/**/*.so')