30 lines
692 B
Ruby
30 lines
692 B
Ruby
|
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
|