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begin
require "readline"
rescue LoadError
end
if defined?(Readline)
require "test/unit"
require "tempfile"
class TestReadline < Test::Unit::TestCase
def test_readline
stdin = Tempfile.new("test_readline_stdin")
stdout = Tempfile.new("test_readline_stdout")
begin
stdin.write("hello\n")
stdin.close
stdout.close
line = replace_stdio(stdin.path, stdout.path) { Readline.readline("> ") }
assert_equal("hello", line)
assert_equal(true, line.tainted?)
stdout.open
assert_equal("> ", stdout.read(2))
assert_raises(SecurityError) do
Thread.start {
$SAFE = 1
replace_stdio(stdin.path, stdout.path) do
Readline.readline("> ".taint)
end
}.join
end
assert_raises(SecurityError) do
Thread.start {
$SAFE = 4
replace_stdio(stdin.path, stdout.path) { Readline.readline("> ") }
}.join
end
ensure
stdin.close(true)
stdout.close(true)
end
end
def test_completion_append_character
Readline.completion_append_character = "x"
assert_equal("x", Readline.completion_append_character)
Readline.completion_append_character = "xyz"
assert_equal("x", Readline.completion_append_character)
Readline.completion_append_character = nil
assert_equal(nil, Readline.completion_append_character)
Readline.completion_append_character = ""
assert_equal(nil, Readline.completion_append_character)
end
private
def replace_stdio(stdin_path, stdout_path)
orig_stdin = STDIN.dup
orig_stdout = STDOUT.dup
STDIN.reopen(stdin_path, "r")
STDOUT.reopen(stdout_path, "w")
begin
yield
ensure
STDIN.reopen(orig_stdin)
STDOUT.reopen(orig_stdout)
orig_stdin.close
orig_stdout.close
end
end
end
end
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