Sha256: 2b2fbf908d17b64594a673ece35020dfc55dcfaf2b0521b97fdf85ddec4dbf86
Contents?: true
Size: 1.23 KB
Versions: 21
Compression:
Stored size: 1.23 KB
Contents
# frozen_string_literal: true
require_relative 'helper'
class KernelTest < MiniTest::Test
def test_system_method
fn = '/tmp/test_system_method'
FileUtils.rm(fn) rescue nil
counter = 0
timer = spin { throttled_loop(200) { counter += 1 } }
system('sleep 0.01')
assert(counter >= 2)
system('echo "hello" > ' + fn)
assert_equal "hello\n", IO.read(fn)
ensure
timer&.stop
end
def test_Kernel_system_singleton_method
assert_equal true, Kernel.system("which ruby > /dev/null 2>&1")
assert_equal false, Kernel.system("which rruubbyy > /dev/null 2>&1")
end
def patch_open3
class << Open3
alias_method :orig_popen2, :popen2
def popen2(*args)
raise SystemCallError, 'foo'
end
end
end
def unpatch_open3
class << Open3
alias_method :popen2, :orig_popen2
end
end
def test_system_method_with_system_call_error
patch_open3
result = system('foo')
assert_nil result
ensure
unpatch_open3
end
def test_backtick_method
counter = 0
timer = spin { throttled_loop(200) { counter += 1 } }
`sleep 0.01`
assert(counter >= 2)
result = `echo "hello"`
assert_equal "hello\n", result
ensure
timer&.stop
end
end
Version data entries
21 entries across 21 versions & 1 rubygems