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require File.expand_path('../helper', __FILE__)
require 'fileutils'
require 'pathname'
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"
assert_equal Rake::LATE, ftask.timestamp
open(ftask.name, "w") { |f| f.puts "HI" }
assert_equal nil, ftask.prerequisites.map { |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.map { |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
create_file(OLDFILE)
delete_file(NEWFILE)
file NEWFILE do |t| @runs << t.name end
file OLDFILE => NEWFILE do |t| @runs << t.name end
Task[OLDFILE].invoke
assert_equal [NEWFILE, OLDFILE], @runs
end
def test_needed_eh_build_all
create_file 'a'
file 'a'
a_task = Task['a']
refute a_task.needed?
Rake.application.options.build_all = true
assert a_task.needed?
ensure
delete_file 'a'
end
def test_needed_eh_dependency
create_file 'a', Time.now
create_file 'b', Time.now - 60
create_file 'c', Time.now
create_file 'd', Time.now - 60
file 'b' => 'a'
b_task = Task['b']
assert b_task.needed?
file 'c' => 'd'
c_task = Task['c']
refute c_task.needed?
ensure
delete_file 'old'
delete_file 'new'
end
def test_needed_eh_exists
name = "dummy"
file name
ftask = Task[name]
assert ftask.needed?
create_file name
refute ftask.needed?
ensure
delete_file name
end
def test_source_is_first_prerequisite
t = file :f => ["preqA", "preqB"]
assert_equal "preqA", t.source
end
def test_sources_is_all_prerequisites
t = file :f => ["preqA", "preqB"]
assert_equal ["preqA", "preqB"], t.sources
end
def test_task_can_be_pathname
name = "dummy"
file Pathname.new name
ftask = Task[name]
assert_equal name.to_s, ftask.name
end
def test_prerequisite_can_be_pathname
t = file :f => Pathname.new("preq")
assert_equal "preq", t.source
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
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