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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_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
end
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