By saving as [project_dir]/.autotest, allows custom (non-"spec") naming conventions, and file names with spaces

autospec_customizer.rb

require 'autotest/timestamp'
require "autotest/fsevent"
#require "autotest/restart"

class Autotest::Rspec < Autotest
	#I'm going to keep using spec for Rails because it got too complicated
	unless File.exist?("spec")
		puts "Using 'example' for consolidate failures and options file"
		# This method tells Autotest which files had failures
		# so it knows which hooks to call, and whether to run features.
		# The existing method must be removed to avoid a warning
		remove_method :consolidate_failures
		def consolidate_failures(failed)
			filters = new_hash_of_arrays
			failed.each do |spec, trace|
				if trace =~ /\n(\.\/)?(.*example\.rb):[\d]+:/
					filters[$2] << spec
				end
			end
			return filters
		end

		# This method tells Rspec where the options file is.
		# It's necessary because we're using a non-Rspec-standard directory
		# The existing method must be removed to avoid a warning
		remove_method :add_options_if_present
		def add_options_if_present # :nodoc:
			File.exist?("examples/spec.opts") ? "-O examples/spec.opts " : ""
		end	
	end

	puts "Fixing Autospec for file names including spaces"
	remove_method :make_test_cmd
	def make_test_cmd(files_to_test)
		p files_to_test
		files_to_test.empty? ? '' :
			"#{ruby} #{SPEC_PROGRAM} --autospec #{fix_spaces(normalize(files_to_test).keys.flatten).join(' ')} #{add_options_if_present}"
	end

private
	def fix_spaces(file_names)
		file_names.map {|arg| arg.include?(' ') ? '"' + arg + '"' : arg}
	end
end

Autotest.add_hook(:initialize) {|at|
	# Ignore irrelevant files to prevent unnecessary runs
	puts "Adding file exceptions..."
	%w{.git .svn .hg .swp .DS_Store ._* tmp contract.rb rakefile .txt .vis}.each do |exception|
		at.add_exception(exception)
	end
	
	unless File.exist?("spec")
		puts "Clearing default mappings..."
		# take out the rspec default mappings (spec/*_spec.rb)
		at.clear_mappings
	end

	if File.exist?("example")
		puts "Adding example mappings..."
		# Mapping for all project class files
		at.add_mapping(%r%^(examples|third_party)/.*_example.rb$%) { |filename, _|
			filename
		}

		# Mapping for Cucumber helper examples
		at.add_mapping(%r%^features/support/(.*)\.rb$%) { |_, m|
			["examples/cucumber/#{m[1]}_example.rb"]
		}

		# Mapping for library class examples
		at.add_mapping(%r%^lib/(.*)\.rb$%) { |_, m|
			["examples/#{m[1]}_example.rb"]
		}

		# Mapping for shared example helper file
		at.add_mapping(%r%^examples/(example_helper|shared/.*)\.rb$%) {
			at.files_matching %r%^(examples|third_party)/.*_example\.rb$%
		}
	end

	# Returning nil makes sure that any other initialize hooks get called
	# Per http://wiki.github.com/dchelimsky/rspec/autotest-integration
	nil
}

# These are tracing templates for all the available Autotest hooks.
# Uncomment them to see when they are called in the output.%

#Autotest.add_hook(:all_good) {|at|
#}

#Autotest.add_hook(:died) {|at|
	#puts "died"
	#nil
#}

#Autotest.add_hook(:green) {|at|
	#puts "green"
	#nil
#}

#Autotest.add_hook(:interrupt) {|at|
	#puts "interrupt"
	#nil
#}

#Autotest.add_hook(:quit) {|at|
	#puts "quit"
	#nil
#}

#Autotest.add_hook(:ran_command) {|at|
	#puts "ran_command"
	#nil
#}

#Autotest.add_hook(:red) {|at|
	#puts "red"
	#nil
#}

#Autotest.add_hook(:reset) {|at|
	#puts "reset"
	#nil
#}

#Autotest.add_hook(:run_command) {|at|
	#puts "run_command"
	#nil
#}

#Autotest.add_hook(:updated) {|at, updated|
	#puts "updated: "
	#p updated
	#nil
#}

#Autotest.add_hook(:waiting) {|at|
	#puts "waiting"
	#nil
#}