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require 'test/unit'
require 'shellwords'
require 'tmpdir'
require 'fileutils'
require 'open3'
class TestCommitEmail < Test::Unit::TestCase
STDIN_DELIMITER = "---\n"
def setup
omit 'git command is not available' unless system('git', '--version', out: File::NULL, err: File::NULL)
@ruby = Dir.mktmpdir
Dir.chdir(@ruby) do
git('init', '--initial-branch=master')
git('config', 'user.name', 'Jóhän Grübél')
git('config', 'user.email', 'johan@example.com')
env = {
'GIT_AUTHOR_DATE' => '2025-10-08T12:00:00Z',
'GIT_CONFIG_GLOBAL' => @ruby + "/gitconfig",
'TZ' => 'UTC',
}
git('commit', '--allow-empty', '-m', 'New repository initialized by cvs2svn.', env:)
git('commit', '--allow-empty', '-m', 'Initial revision', env:)
git('commit', '--allow-empty', '-m', 'version 1.0.0', env:)
end
@sendmail = File.join(Dir.mktmpdir, 'sendmail')
File.write(@sendmail, <<~SENDMAIL, mode: "wx", perm: 0755)
#!/bin/sh
echo #{STDIN_DELIMITER.chomp.dump}
exec cat
SENDMAIL
@commit_email = File.expand_path('../../tool/commit-email.rb', __dir__)
end
def teardown
# Clean up temporary files if #setup was not omitted
if @sendmail
File.unlink(@sendmail)
Dir.rmdir(File.dirname(@sendmail))
end
if @ruby
FileUtils.rm_rf(@ruby)
end
end
def test_sendmail_encoding
omit 'the sendmail script does not work on windows' if windows?
Dir.chdir(@ruby) do
before_rev = git('rev-parse', 'HEAD^').chomp
after_rev = git('rev-parse', 'HEAD').chomp
short_rev = after_rev[0...10]
out, _, status = EnvUtil.invoke_ruby([
{ 'SENDMAIL' => @sendmail, 'TZ' => 'UTC' }.merge!(gem_env),
@commit_email, './', 'cvs-admin@ruby-lang.org',
before_rev, after_rev, 'refs/heads/master',
'--viewer-uri', 'https://github.com/ruby/ruby/commit/',
'--error-to', 'cvs-admin@ruby-lang.org',
], '', true)
stdin = out.b.split(STDIN_DELIMITER.b, 2).last.force_encoding('UTF-8')
assert_true(status.success?)
assert_equal(stdin, <<~EOS)
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
From: =?UTF-8?B?SsOzaMOkbiBHcsO8YsOpbA==?= <noreply@ruby-lang.org>
To: cvs-admin@ruby-lang.org
Subject: #{short_rev} (master): =?UTF-8?B?dmVyc2lvbuOAgDEuMC4w?=
J=C3=B3h=C3=A4n Gr=C3=BCb=C3=A9l\t2025-10-08 12:00:00 +0000 (Wed, 08 Oct 2=
025)
New Revision: #{short_rev}
https://github.com/ruby/ruby/commit/#{short_rev}
Log:
version=E3=80=801.0.0=
EOS
end
end
private
# Resurrect the gem environment preserved by tool/test/init.rb.
# This should work as long as you have run `make up` or `make install`.
def gem_env
{ 'GEM_PATH' => ENV['BUNDLED_GEM_PATH'], 'GEM_HOME' => ENV['BUNDLED_GEM_HOME'] }
end
def git(*cmd, env: {})
out, status = Open3.capture2(env, 'git', *cmd)
unless status.success?
raise "git #{cmd.shelljoin}\n#{out}"
end
out
end
end
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