# Rakefile for testspec.  -*-ruby-*-
require 'rake/rdoctask'
require 'rake/testtask'


desc "Run all the tests"
task :default => [:test]

desc "Do predistribution stuff"
task :predist => [:chmod, :changelog, :rdoc]


desc "Make an archive as .tar.gz"
task :dist => :test do
  system "export DARCS_REPO=#{File.expand_path "."}; " +
         "darcs dist -d test-spec-#{get_darcs_tree_version}"
end

# Helper to retrieve the "revision number" of the darcs tree.
def get_darcs_tree_version
  unless File.directory? "_darcs"
    load 'lib/test/spec/version.rb'
    return Test::Spec::VERSION
  end

  changes = `darcs changes`
  count = 0
  tag = "0.0"
  
  changes.split("\n\n").each { |change|
    head, title, desc = change.split("\n", 3)
    
    if title =~ /^  \*/
      # Normal change.
      count += 1
    elsif title =~ /tagged (.*)/
      # Tag.  We look for these.
      tag = $1
      break
    else
      warn "Unparsable change: #{change}"
    end
  }

  tag + "." + count.to_s
end

def manifest
  `darcs query manifest 2>/dev/null`.split("\n").map { |f| f.gsub(/\A\.\//, '') }
end


desc "Make binaries executable"
task :chmod do
  Dir["bin/*"].each { |binary| File.chmod(0775, binary) }
end

desc "Generate a ChangeLog"
task :changelog do
  system "darcs changes --repo=#{ENV["DARCS_REPO"] || "."} >ChangeLog"
end


desc "Generate RDox"
task "SPECS" do
  ruby "bin/specrb -Ilib:test -a --rdox >SPECS"
end

desc "Run all the tests"
task :test => :chmod do
  ruby "bin/specrb -Ilib:test -w #{ENV['TEST'] || '-a'} #{ENV['TESTOPTS']}"
end


begin
  require 'rubygems'

  require 'rake'
  require 'rake/clean'
  require 'rake/packagetask'
  require 'rake/gempackagetask'
  require 'fileutils'
rescue LoadError
  # Too bad.
else
  spec = Gem::Specification.new do |s|
    s.name            = "test-spec"
    s.version         = get_darcs_tree_version
    s.platform        = Gem::Platform::RUBY
    s.summary         = "a Behaviour Driven Development interface for Test::Unit"
    s.description = <<-EOF
test/spec layers an RSpec-inspired interface on top of Test::Unit, so
you can mix TDD and BDD (Behavior-Driven Development).

test/spec is a clean-room implementation that maps most kinds of
Test::Unit assertions to a `should'-like syntax.
    EOF

    s.files           = manifest + %w(SPECS)
    s.bindir          = 'bin'
    s.executables     << 'specrb'
    s.require_path    = 'lib'
    s.has_rdoc        = true
    s.extra_rdoc_files = ['README', 'SPECS', 'ROADMAP']
    s.test_files      = Dir['test/{test,spec}_*.rb']

    s.author          = 'Christian Neukirchen'
    s.email           = 'chneukirchen@gmail.com'
    s.homepage        = "http://test-spec.rubyforge.org"
    s.rubyforge_project = 'test-spec'
  end

  task :package => [:dist]

  Rake::GemPackageTask.new(spec) do |p|
    p.gem_spec = spec
    p.need_tar = false
    p.need_zip = false
  end
end


desc "Generate RDoc documentation"
Rake::RDocTask.new(:rdoc) do |rdoc|
  rdoc.options << '--line-numbers' << '--inline-source'
  rdoc.rdoc_dir = "doc"
  rdoc.rdoc_files.include 'README'
  rdoc.rdoc_files.include 'ROADMAP'
  rdoc.rdoc_files.include 'SPECS'
  rdoc.rdoc_files.include('lib/**/*.rb')
end
task :rdoc => "SPECS"


begin
  require 'rcov/rcovtask'
  
  Rcov::RcovTask.new do |t|
    t.test_files = FileList['test/{spec,test}_*.rb'] + ['--', '-rs']   # evil
    t.verbose = true     # uncomment to see the executed command
    t.rcov_opts = ["--text-report",
                   "--include-file", "^lib,^test",
                   "--exclude-only", "^/usr,^/home/.*/src"]
  end
rescue LoadError
end