require File.expand_path('../helper', __FILE__) require 'fileutils' class TestRakeDefinitions < Rake::TestCase include Rake EXISTINGFILE = "existing" def setup super Task.clear end def test_task done = false task :one => [:two] do done = true end task :two task :three => [:one, :two] check_tasks(:one, :two, :three) assert done, "Should be done" end def test_file_task done = false file "one" => "two" do done = true end file "two" file "three" => ["one", "two"] check_tasks("one", "two", "three") assert done, "Should be done" end def check_tasks(n1, n2, n3) t = Task[n1] assert Task === t, "Should be a Task" assert_equal n1.to_s, t.name assert_equal [n2.to_s], t.prerequisites.map { |n| n.to_s } t.invoke t2 = Task[n2] assert_equal FileList[], t2.prerequisites t3 = Task[n3] assert_equal [n1.to_s, n2.to_s], t3.prerequisites.map { |n| n.to_s } end def test_incremental_definitions runs = [] task :t1 => [:t2] do runs << "A"; 4321 end task :t1 => [:t3] do runs << "B"; 1234 end task :t1 => [:t3] task :t2 task :t3 Task[:t1].invoke assert_equal ["A", "B"], runs assert_equal ["t2", "t3"], Task[:t1].prerequisites end def test_missing_dependencies task :x => ["missing"] assert_raises(RuntimeError) { Task[:x].invoke } end def test_falsey_dependencies task :x => nil assert_equal [], Task[:x].prerequisites end def test_implicit_file_dependencies runs = [] create_existing_file task :y => [EXISTINGFILE] do |t| runs << t.name end Task[:y].invoke assert_equal runs, ['y'] end private # ---------------------------------------------------------- def create_existing_file Dir.mkdir File.dirname(EXISTINGFILE) unless File.exist?(File.dirname(EXISTINGFILE)) open(EXISTINGFILE, "w") do |f| f.puts "HI" end unless File.exist?(EXISTINGFILE) end end