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|
# frozen_string_literal: true
require 'aruba/errors'
# Aruba
module Aruba
# The command monitor is part of the private API of Aruba.
#
# @private
class CommandMonitor
private
attr_reader :announcer
public
attr_reader :registered_commands, :last_command_started, :last_command_stopped
class DefaultLastCommandStopped
def empty?
true
end
def method_missing(*)
raise NoCommandHasBeenStoppedError, 'No last command stopped available'
end
def respond_to_missing?(*)
true
end
end
class DefaultLastCommandStarted
def empty?
true
end
def method_missing(*)
raise NoCommandHasBeenStartedError, 'No last command started available'
end
def respond_to_missing?(*)
true
end
end
def initialize(opts = {})
@registered_commands = []
@announcer = opts.fetch(:announcer)
@last_command_stopped = DefaultLastCommandStopped.new
@last_command_started = DefaultLastCommandStarted.new
rescue KeyError => e
raise ArgumentError, e.message
end
# Set last command started
#
# @param [String] cmd
# The commandline of the command
def last_command_started=(cmd)
@last_command_started = find(cmd)
end
# Set last command stopped
#
# @param [String] cmd
# The commandline of the command
def last_command_stopped=(cmd)
@last_command_stopped = find(cmd)
end
# Find command
#
# @yield [Command]
# This yields the found command
def find(cmd)
cmd = cmd.commandline if cmd.respond_to? :commandline
command = registered_commands.reverse.find { |c| c.commandline == cmd }
raise CommandNotFoundError, "No command named '#{cmd}' has been started" if command.nil?
command
end
# Clear list of known commands
def clear
registered_commands.each(&:terminate)
registered_commands.clear
self
end
# Get stdout of all commands
#
# @return [String]
# The stdout of all command which have run before
def all_stdout
registered_commands.each(&:stop)
registered_commands.map(&:stdout).join
end
# Get stderr of all commands
#
# @return [String]
# The stderr of all command which have run before
def all_stderr
registered_commands.each(&:stop)
registered_commands.map(&:stderr).join
end
# Get stderr and stdout of all commands
#
# @return [String]
# The stderr and stdout of all command which have run before
def all_output
all_stdout << all_stderr
end
# Register command to monitor
def register_command(cmd)
registered_commands << cmd
self
end
end
end
|
