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# frozen_string_literal: false
require 'test/unit'
class TestBeginEndBlock < Test::Unit::TestCase
DIR = File.dirname(File.expand_path(__FILE__))
def test_beginendblock
target = File.join(DIR, 'beginmainend.rb')
assert_in_out_err([target], '', %w(b1 b2-1 b2 main b3-1 b3 b4 e1 e1-1 e4 e4-2 e4-1 e4-1-1 e3 e2))
assert_in_out_err(["-n", "-eBEGIN{p :begin}", "-eEND{p :end}"], '', %w(:begin))
assert_in_out_err(["-p", "-eBEGIN{p :begin}", "-eEND{p :end}"], '', %w(:begin))
assert_in_out_err(["-n", "-eBEGIN{p :begin}", "-eEND{p :end}"], "foo\nbar\n", %w(:begin :end))
assert_in_out_err(["-p", "-eBEGIN{p :begin}", "-eEND{p :end}"], "foo\nbar\n", %w(:begin foo bar :end))
end
def test_begininmethod
assert_raise_with_message(SyntaxError, /BEGIN is permitted only at toplevel/) do
eval("def foo; BEGIN {}; end")
end
assert_raise_with_message(SyntaxError, /BEGIN is permitted only at toplevel/) do
eval('eval("def foo; BEGIN {}; end")')
end
end
def test_begininclass
assert_raise_with_message(SyntaxError, /BEGIN is permitted only at toplevel/) do
eval("class TestBeginEndBlock; BEGIN {}; end")
end
end
def test_endblockwarn
assert_in_out_err([], "#{<<~"begin;"}#{<<~'end;'}", [], ['-:2: warning: END in method; use at_exit'])
begin;
def end1
END {}
end
end;
end
def test_endblockwarn_in_eval
assert_in_out_err([], "#{<<~"begin;"}\n#{<<~'end;'}", [], ['(eval):2: warning: END in method; use at_exit'])
begin;
eval <<-EOE
def end2
END {}
end
EOE
end;
end
def test_raise_in_at_exit
args = ['-e', 'at_exit{raise %[SomethingBad]}',
'-e', 'raise %[SomethingElse]']
expected = [:*, /SomethingBad/, :*, /SomethingElse/, :*]
status = assert_in_out_err(args, '', [], expected, "[ruby-core:9675]")
assert_not_predicate(status, :success?)
end
def test_exitcode_in_at_exit
bug8501 = '[ruby-core:55365] [Bug #8501]'
args = ['-e', 'o = Object.new; def o.inspect; raise "[Bug #8501]"; end',
'-e', 'at_exit{o.nope}']
status = assert_in_out_err(args, '', [], /undefined method `nope'/, bug8501)
assert_not_predicate(status, :success?, bug8501)
end
def test_propagate_exit_code
ruby = EnvUtil.rubybin
assert_equal false, system(ruby, '-e', 'at_exit{exit 2}')
assert_equal 2, $?.exitstatus
assert_nil $?.termsig
end
def test_propagate_signaled
status = assert_in_out_err([], "#{<<~"begin;"}\n#{<<~'end;'}", [], /Interrupt$/)
begin;
trap(:INT, "DEFAULT")
at_exit{Process.kill(:INT, $$)}
end;
Process.kill(0, 0) rescue return # check if signal works
assert_nil status.exitstatus
assert_equal Signal.list["INT"], status.termsig
end
def test_endblock_raise
assert_in_out_err([], "#{<<~"begin;"}\n#{<<~'end;'}", %w(e6 e4 e2), [:*, /e5/, :*, /e3/, :*, /e1/, :*])
begin;
END {raise "e1"}; END {puts "e2"}
END {raise "e3"}; END {puts "e4"}
END {raise "e5"}; END {puts "e6"}
end;
end
def test_nested_at_exit
expected = [ "outer3",
"outer2_begin",
"outer2_end",
"inner2",
"outer1_begin",
"outer1_end",
"inner1",
"outer0" ]
assert_in_out_err([], "#{<<~"begin;"}\n#{<<~'end;'}", expected, [], "[ruby-core:35237]")
begin;
at_exit { puts :outer0 }
at_exit { puts :outer1_begin; at_exit { puts :inner1 }; puts :outer1_end }
at_exit { puts :outer2_begin; at_exit { puts :inner2 }; puts :outer2_end }
at_exit { puts :outer3 }
end;
end
def test_rescue_at_exit
bug5218 = '[ruby-core:43173][Bug #5218]'
cmd = [
"raise 'X' rescue nil",
"nil",
"exit(42)",
]
%w[at_exit END].each do |ex|
out, err, status = EnvUtil.invoke_ruby(cmd.map {|s|["-e", "#{ex} {#{s}}"]}.flatten, "", true, true)
assert_equal(["", "", 42], [out, err, status.exitstatus], "#{bug5218}: #{ex}")
end
end
def test_callcc_at_exit
bug9110 = '[ruby-core:58329][Bug #9110]'
assert_ruby_status([], "#{<<~"begin;"}\n#{<<~'end;'}", bug9110)
begin;
require "continuation"
c = nil
at_exit { c.call }
at_exit { callcc {|_c| c = _c } }
end;
end
def test_errinfo_at_exit
bug12302 = '[ruby-core:75038] [Bug #12302]'
assert_in_out_err([], "#{<<~"begin;"}\n#{<<~'end;'}", %w[2:exit 1:exit], [], bug12302)
begin;
at_exit do
puts "1:#{$!}"
end
at_exit do
puts "2:#{$!}"
raise 'x' rescue nil
end
at_exit do
exit
end
end;
end
if defined?(fork)
def test_internal_errinfo_at_exit
# TODO: use other than break-in-fork to throw an internal
# error info.
error, pid, status = IO.pipe do |r, w|
pid = fork do
r.close
STDERR.reopen(w)
at_exit do
$!.class
end
break
end
w.close
[r.read, *Process.wait2(pid)]
end
assert_not_predicate(status, :success?)
assert_not_predicate(status, :signaled?)
assert_match(/unexpected break/, error)
end
end
end
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