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require File.dirname(__FILE__) + '/../abstract_unit'
class AtomicWriteTest < Test::Unit::TestCase
def test_atomic_write_without_errors
contents = "Atomic Text"
File.atomic_write(file_name, Dir.pwd) do |file|
file.write(contents)
assert !File.exist?(file_name)
end
assert File.exist?(file_name)
assert_equal contents, File.read(file_name)
ensure
File.unlink(file_name) rescue nil
end
def test_atomic_write_doesnt_write_when_block_raises
File.atomic_write(file_name) do |file|
file.write("testing")
raise "something bad"
end
rescue
assert !File.exist?(file_name)
end
def file_name
"atomic.file"
end
end
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