require File.expand_path('../helper', __FILE__) require 'fileutils' class TestRakeFileTask < Rake::TestCase include Rake def setup super Task.clear @runs = Array.new FileUtils.rm_f NEWFILE FileUtils.rm_f OLDFILE end def test_file_need name = "dummy" file name ftask = Task[name] assert_equal name.to_s, ftask.name File.delete(ftask.name) rescue nil assert ftask.needed?, "file should be needed" open(ftask.name, "w") { |f| f.puts "HI" } assert_equal nil, ftask.prerequisites.collect{|n| Task[n].timestamp}.max assert ! ftask.needed?, "file should not be needed" ensure File.delete(ftask.name) rescue nil end def test_file_times_new_depends_on_old create_timed_files(OLDFILE, NEWFILE) t1 = Rake.application.intern(FileTask, NEWFILE).enhance([OLDFILE]) t2 = Rake.application.intern(FileTask, OLDFILE) assert ! t2.needed?, "Should not need to build old file" assert ! t1.needed?, "Should not need to rebuild new file because of old" end def test_file_times_new_depend_on_regular_task_timestamps load_phony name = "dummy" task name create_timed_files(NEWFILE) t1 = Rake.application.intern(FileTask, NEWFILE).enhance([name]) assert t1.needed?, "depending on non-file task uses Time.now" task(name => :phony) assert ! t1.needed?, "unless the non-file task has a timestamp" end def test_file_times_old_depends_on_new create_timed_files(OLDFILE, NEWFILE) t1 = Rake.application.intern(FileTask,OLDFILE).enhance([NEWFILE]) t2 = Rake.application.intern(FileTask, NEWFILE) assert ! t2.needed?, "Should not need to build new file" preq_stamp = t1.prerequisites.collect{|t| Task[t].timestamp}.max assert_equal t2.timestamp, preq_stamp assert t1.timestamp < preq_stamp, "T1 should be older" assert t1.needed?, "Should need to rebuild old file because of new" end def test_file_depends_on_task_depend_on_file create_timed_files(OLDFILE, NEWFILE) file NEWFILE => [:obj] do |t| @runs << t.name end task :obj => [OLDFILE] do |t| @runs << t.name end file OLDFILE do |t| @runs << t.name end Task[:obj].invoke Task[NEWFILE].invoke assert ! @runs.include?(NEWFILE) end def test_existing_file_depends_on_non_existing_file @ran = false create_file(OLDFILE) delete_file(NEWFILE) file NEWFILE do @ran = true end file OLDFILE => NEWFILE Task[OLDFILE].invoke assert @ran end # I have currently disabled this test. I'm not convinced that # deleting the file target on failure is always the proper thing to # do. I'm willing to hear input on this topic. def ztest_file_deletes_on_failure task :obj file NEWFILE => [:obj] do |t| FileUtils.touch NEWFILE fail "Ooops" end assert Task[NEWFILE] begin Task[NEWFILE].invoke rescue Exception end assert( ! File.exist?(NEWFILE), "NEWFILE should be deleted") end def load_phony load File.join(@rake_lib, "rake/phony.rb") end end