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a19228f878
Musl libc has this function as a tiny wrapper of fchmodat(3posix). On the other hand Linux kernel does not support changing modes of a symlink. The operation always fails with EOPNOTSUPP. This fchmodat behaviour is defined in POSIX. We have to take care of such exceptions.
90 lines
2 KiB
Ruby
90 lines
2 KiB
Ruby
# frozen_string_literal: false
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require 'test/unit'
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require 'timeout'
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require 'tmpdir'
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class TestNotImplement < Test::Unit::TestCase
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def test_respond_to_fork
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assert_include(Process.methods, :fork)
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if /linux/ =~ RUBY_PLATFORM
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assert_equal(true, Process.respond_to?(:fork))
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end
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end
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def test_respond_to_lchmod
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assert_include(File.methods, :lchmod)
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case RUBY_PLATFORM
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when /freebsd/, /linux-musl/
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assert_equal(true, File.respond_to?(:lchmod))
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when /linux/
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assert_equal(false, File.respond_to?(:lchmod))
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end
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end
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def test_call_fork
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GC.start
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pid = nil
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ps =
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case RUBY_PLATFORM
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when /linux/ # assume Linux Distribution uses procps
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proc {`ps -eLf #{pid}`}
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when /freebsd/
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proc {`ps -lH #{pid}`}
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when /darwin/
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proc {`ps -lM #{pid}`}
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else
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proc {`ps -l #{pid}`}
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end
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assert_nothing_raised(Timeout::Error, ps) do
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EnvUtil.timeout(20) {
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pid = fork {}
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Process.wait pid
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pid = nil
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}
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end
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ensure
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if pid
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Process.kill(:KILL, pid)
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Process.wait pid
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end
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end if Process.respond_to?(:fork)
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def test_call_lchmod
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if File.respond_to?(:lchmod)
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Dir.mktmpdir {|d|
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f = "#{d}/f"
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g = "#{d}/g"
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File.open(f, "w") {}
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File.symlink f, g
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newmode = 0444
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begin
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File.lchmod newmode, "#{d}/g"
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rescue Errno::EOPNOTSUPP
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skip $!
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else
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snew = File.lstat(g)
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assert_equal(newmode, snew.mode & 0777)
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end
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}
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end
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end
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def test_method_inspect_fork
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m = Process.method(:fork)
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if Process.respond_to?(:fork)
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assert_not_match(/not-implemented/, m.inspect)
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else
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assert_match(/not-implemented/, m.inspect)
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end
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end
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def test_method_inspect_lchmod
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m = File.method(:lchmod)
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if File.respond_to?(:lchmod)
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assert_not_match(/not-implemented/, m.inspect)
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else
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assert_match(/not-implemented/, m.inspect)
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end
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end
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end
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