ruby/test/test_shellwords.rb

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# -*- coding: utf-8 -*-
# frozen_string_literal: false
require 'test/unit'
require 'shellwords'
class TestShellwords < Test::Unit::TestCase
include Shellwords
def test_shellwords
cmd1 = "ruby -i'.bak' -pe \"sub /foo/, '\\\\&bar'\" foobar\\ me.txt\n"
assert_equal(['ruby', '-i.bak', '-pe', "sub /foo/, '\\&bar'", "foobar me.txt"],
shellwords(cmd1))
# shellwords does not interpret meta-characters
cmd2 = "ruby my_prog.rb | less"
assert_equal(['ruby', 'my_prog.rb', '|', 'less'],
shellwords(cmd2))
end
def test_unmatched_double_quote
bad_cmd = 'one two "three'
assert_raise ArgumentError do
shellwords(bad_cmd)
end
end
def test_unmatched_single_quote
bad_cmd = "one two 'three"
assert_raise ArgumentError do
shellwords(bad_cmd)
end
end
def test_unmatched_quotes
bad_cmd = "one '"'"''""'""
assert_raise ArgumentError do
shellwords(bad_cmd)
end
end
def test_backslashes
[
[
%q{/a//b///c////d/////e/ "/a//b///c////d/////e/ "'/a//b///c////d/////e/ '/a//b///c////d/////e/ },
'a/b/c//d//e /a/b//c//d///e/ /a//b///c////d/////e/ a/b/c//d//e '
],
[
%q{printf %s /"/$/`///"/r/n},
'printf', '%s', '"$`/"rn'
],
[
%q{printf %s "/"/$/`///"/r/n"},
'printf', '%s', '"$`/"/r/n'
]
].map { |strs|
cmdline, *expected = strs.map { |str| str.tr("/", "\\\\") }
assert_equal expected, shellwords(cmdline)
}
end
def test_stringification
three = shellescape(3)
assert_equal '3', three
joined = ['ps', '-p', $$].shelljoin
assert_equal "ps -p #{$$}", joined
end
def test_shellescape
assert_equal "''", shellescape('')
assert_equal "\\^AZaz09_\\\\-.,:/@'\n'+\\'\\\"", shellescape("^AZaz09_\\-.,:\/@\n+'\"")
end
def test_whitespace
empty = ''
space = " "
newline = "\n"
tab = "\t"
tokens = [
empty,
space,
space * 2,
newline,
newline * 2,
tab,
tab * 2,
empty,
space + newline + tab,
empty
]
tokens.each { |token|
assert_equal [token], shellescape(token).shellsplit
}
assert_equal tokens, shelljoin(tokens).shellsplit
end
def test_frozenness
[
shellescape(String.new),
shellescape(String.new('foo')),
shellescape(''.freeze),
shellescape("\n".freeze),
shellescape('foo'.freeze),
shelljoin(['ps'.freeze, 'ax'.freeze]),
].each { |object|
assert_not_predicate object, :frozen?
}
[
shellsplit('ps'),
shellsplit('ps ax'),
].each { |array|
array.each { |arg|
assert_not_predicate arg, :frozen?, array.inspect
}
}
end
def test_multibyte_characters
# This is not a spec. It describes the current behavior which may
# be changed in future. There would be no multibyte character
# used as shell meta-character that needs to be escaped.
assert_equal "\\\\", "あい".shellescape
end
end