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require 'tempfile'
require 'test/unit'
$-w = true
require 'kgio'
class TestTryopen < Test::Unit::TestCase
def test_tryopen_success
tmp = Kgio::File.tryopen(__FILE__)
tmp.respond_to?(:close_on_exec?) and
assert_equal(RUBY_VERSION.to_f >= 2.0, tmp.close_on_exec?)
assert_kind_of File, tmp
assert_equal File.read(__FILE__), tmp.read
assert_equal __FILE__, tmp.path
assert_equal __FILE__, tmp.to_path
tmp.close
end
def test_tryopen_ENOENT
tmp = Tempfile.new "tryopen"
path = tmp.path
tmp.close!
tmp = Kgio::File.tryopen(path)
assert_equal :ENOENT, tmp
end
def test_tryopen_EACCES
tmp = Tempfile.new "tryopen"
File.chmod 0000, tmp.path
tmp = Kgio::File.tryopen(tmp.path)
if Process.euid == 0
assert_kind_of Kgio::File, tmp
warn "cannot test EACCES when euid == 0"
else
assert_equal(:EACCES, tmp)
end
end
def test_tryopen_readwrite
tmp = Tempfile.new "tryopen"
file = Kgio::File.tryopen(tmp.path, IO::RDWR)
file.syswrite "FOO"
assert_equal "FOO", tmp.sysread(3)
end
def test_tryopen_try_readwrite
tmp = Tempfile.new "tryopen"
file = Kgio::File.tryopen(tmp.path, IO::RDWR)
assert_nil file.kgio_trywrite("FOO")
file.rewind
assert_equal "FOO", file.kgio_tryread(3)
end
def test_tryopen_mode
tmp = Tempfile.new "tryopen"
path = tmp.path
tmp.close!
file = Kgio::File.tryopen(path, IO::RDWR|IO::CREAT, 0000)
assert_equal 0100000, File.stat(path).mode
ensure
File.unlink path
end
require "benchmark"
def test_benchmark
nr = 1000000
tmp = Tempfile.new('tryopen')
file = tmp.path
Benchmark.bmbm do |x|
x.report("tryopen (OK)") do
nr.times { Kgio::File.tryopen(file).close }
end
x.report("open (OK)") do
nr.times { File.readable?(file) && File.open(file).close }
end
end
tmp.close!
assert_equal :ENOENT, Kgio::File.tryopen(file)
Benchmark.bmbm do |x|
x.report("tryopen (ENOENT)") do
nr.times { Kgio::File.tryopen(file) }
end
x.report("open (ENOENT)") do
nr.times { File.readable?(file) && File.open(file) }
end
end
end if ENV["BENCHMARK"]
end
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