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# frozen_string_literal: true
module Minitest::Assertions
def assert_parses_correctly(parser, commandline, expected_opts,
expected_leftovers)
opts = parser.parse commandline
assert_equal expected_opts, opts
assert_equal expected_leftovers, parser.leftovers
end
def assert_stderr(str = nil, msg = nil)
msg = "#{msg}.\n" if msg
old_stderr, $stderr = $stderr, StringIO.new
yield
assert_match str, $stderr.string, msg if str
ensure
$stderr = old_stderr
end
def assert_stdout(str = nil, msg = nil)
msg = "#{msg}.\n" if msg
old_stdout, $stdout = $stdout, StringIO.new
yield
assert_match str, $stdout.string, msg if str
ensure
$stdout = old_stdout
end
# like assert raises, but if it does raise, it checks status
# NOTE: this does not ensure the exception is raised
def assert_system_exit *exp
msg = "#{exp.pop}.\n" if String === exp.last
status = exp.first
begin
yield
rescue SystemExit => e
assert_equal status, e.status {
exception_details(e, "#{msg}#{mu_pp(exp)} exception expected, not")
} if status
return true
end
flunk "#{msg}#{mu_pp(exp)} SystemExit expected but nothing was raised."
end
# wrapper around common assertion checking pattern
def assert_raises_errmatch(err_klass, err_regexp, &b)
err = assert_raises(err_klass, &b)
assert_match(err_regexp, err.message)
end
end
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