1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
require 'test_helper'
class BacktickTest < Minitest::Test
include POSIX::Spawn
def test_backtick_simple
out = `exit`
assert_equal '', out
assert_equal 0, $?.exitstatus
end
def test_backtick_output
out = `echo 123`
assert_equal "123\n", out
assert_equal 0, $?.exitstatus, 0
end
def test_backtick_failure
out = `nosuchcmd 2> /dev/null`
assert_equal '', out
assert_equal 127, $?.exitstatus
end
def test_backtick_redirect
out = `nosuchcmd 2>&1`
regex = %r{/bin/sh: (1: )?nosuchcmd: (command )?not found}
assert regex.match(out), "Got #{out.inspect}, expected match of pattern #{regex.inspect}"
assert_equal 127, $?.exitstatus, 127
end
def test_backtick_huge
out = `yes | head -50000`
assert_equal 100000, out.size
assert_equal 0, $?.exitstatus
end
end
|
