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require "abstract_unit"
begin
require "pty"
rescue LoadError
end
class Rails::Engine::CommandsTest < ActiveSupport::TestCase
def setup
@destination_root = Dir.mktmpdir("bukkits")
Dir.chdir(@destination_root) { `bundle exec rails plugin new bukkits --mountable` }
end
def teardown
FileUtils.rm_rf(@destination_root)
end
def test_help_command_work_inside_engine
output = capture(:stderr) do
Dir.chdir(plugin_path) { `bin/rails --help` }
end
assert_no_match "NameError", output
end
def test_runner_command_work_inside_engine
output = capture(:stdout) do
Dir.chdir(plugin_path) { system("bin/rails runner 'puts Rails.env'") }
end
assert_equal "test", output.strip
end
def test_console_command_work_inside_engine
skip "PTY unavailable" unless available_pty?
master, slave = PTY.open
spawn_command("console", slave)
assert_output(">", master)
ensure
master.puts "quit"
end
def test_dbconsole_command_work_inside_engine
skip "PTY unavailable" unless available_pty?
master, slave = PTY.open
spawn_command("dbconsole", slave)
assert_output("sqlite>", master)
ensure
master.puts ".exit"
end
def test_server_command_work_inside_engine
skip "PTY unavailable" unless available_pty?
master, slave = PTY.open
pid = spawn_command("server", slave)
assert_output("Listening on", master)
ensure
kill(pid)
end
private
def plugin_path
"#{@destination_root}/bukkits"
end
def assert_output(expected, io, timeout = 10)
timeout = Time.now + timeout
output = ""
until output.include?(expected) || Time.now > timeout
if IO.select([io], [], [], 0.1)
output << io.read(1)
end
end
assert_includes output, expected, "#{expected.inspect} expected, but got:\n\n#{output}"
end
def spawn_command(command, fd)
Process.spawn(
"#{plugin_path}/bin/rails #{command}",
in: fd, out: fd, err: fd
)
end
def available_pty?
defined?(PTY) && PTY.respond_to?(:open)
end
def kill(pid)
Process.kill("TERM", pid)
Process.wait(pid)
rescue Errno::ESRCH
end
end
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