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require File.expand_path('../helper', __FILE__)
class TestRakeCpuCounter < Rake::TestCase
def setup
super
@cpu_counter = Rake::CpuCounter.new
end
def test_count_via_win32
if Rake::Win32.windows? then
assert_kind_of Numeric, @cpu_counter.count_via_win32
else
assert_nil @cpu_counter.count_via_win32
end
end
def test_in_path_command
with_ruby_in_path do |ruby|
assert_equal ruby, @cpu_counter.in_path_command(ruby)
end
rescue Errno::ENOENT => e
raise unless e.message =~ /\bwhich\b/
skip 'cannot find which for this test'
end
def test_run
with_ruby_in_path do |ruby|
assert_equal 7, @cpu_counter.run(ruby, '-e', 'puts 3 + 4')
end
end
def with_ruby_in_path
ruby = File.basename Gem.ruby
ruby_dir = File.dirname Gem.ruby
begin
orig_path, ENV['PATH'] =
ENV['PATH'], [ruby_dir, *ENV['PATH']].join(File::PATH_SEPARATOR)
yield ruby
ensure
ENV['PATH'] = orig_path
end
end
end
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