ruby.snippets

snippet enc
	# encoding: utf-8
snippet frozen
	# frozen_string_literal: true
snippet #!
	#!/usr/bin/env ruby
# New Block
snippet =b
	=begin rdoc
		${0}
	=end
snippet prot
	protected

	${0}
snippet priv
	private

	${0}
snippet y
	:yields: ${0:arguments}
snippet rb
	#!/usr/bin/env ruby -wKU
snippet beg
	begin
		${0}
	rescue ${1:StandardError} => ${2:e}
	end
snippet req require
	require '${1}'
snippet reqr
	require_relative '${1}'
snippet #
	# =>
snippet case
	case ${1:object}
	when $2
		${0}
	end
snippet when
	when $1
		${0:${VISUAL}}
snippet def
	def ${1:method_name}
		${0}
	end
snippet defm
	def ${1:method}
		@$1 ||= ${0}
	end
snippet deft
	def test_${1:case_name}
		${0}
	end
snippet descendants
	class Class
		def descendants
			ObjectSpace.each_object(::Class).select { |klass| klass < self }
		end
	end
snippet if
	if $1
		${0:${VISUAL}}
	end
snippet ife
	if $1
		${2:${VISUAL}}
	else
		${0}
	end
snippet eif
	elsif $1
		${0:${VISUAL}}
snippet ifee
	if $1
		$2
	elsif $3
		$4
	else
		$0
	end
snippet unless
	unless $1
		${0:${VISUAL}}
	end
snippet unlesse
	unless $1
		$2
	else
		$0
	end
snippet unlesee
	unless $1
		$2
	elsif $3
		$4
	else
		$0
	end
snippet wh
	while $1
		${0:${VISUAL}}
	end
snippet for
	for ${1:e} in ${2:c}
		${0}
	end
snippet until
	until $1
		${0:${VISUAL}}
	end
snippet cla class .. end
	class ${1:`substitute(vim_snippets#Filename(), '\(_\|^\)\(.\)', '\u\2', 'g')`}
		${0}
	end
snippet clai class .. initialize .. end
	class ${1:`substitute(vim_snippets#Filename(), '\(_\|^\)\(.\)', '\u\2', 'g')`}
		def initialize(${2:args})
			${0}
		end
	end
snippet cla< class .. < ParentClass .. initialize .. end
	class ${1:`substitute(vim_snippets#Filename(), '\(_\|^\)\(.\)', '\u\2', 'g')`} < ${2:ParentClass}
		def initialize(${3:args})
			${0}
		end
	end
snippet blankslate class BlankSlate .. initialize .. end
	class ${0:BlankSlate}
		instance_methods.each { |meth| undef_method(meth) unless meth =~ /\A__/ }
	end
snippet claself class << self .. end
	class << ${1:self}
		${0}
	end
# class .. < DelegateClass .. initialize .. end
snippet cla-
	class ${1:`substitute(vim_snippets#Filename(), '\(_\|^\)\(.\)', '\u\2', 'g')`} < DelegateClass(${2:ParentClass})
		def initialize(${3:args})
			super(${4:del_obj})

			${0}
		end
	end
snippet mod module .. end
	module ${1:`substitute(vim_snippets#Filename(), '\(_\|^\)\(.\)', '\u\2', 'g')`}
		${0}
	end
# attr_reader
snippet r
	attr_reader :${0:attr_names}
# attr_writer
snippet w
	attr_writer :${0:attr_names}
# attr_accessor
snippet rw
	attr_accessor :${0:attr_names}
snippet atp
	attr_protected :${0:attr_names}
snippet ata
	attr_accessible :${0:attr_names}
snippet ana
	accepts_nested_attributes_for :${0:association}
# ivc == instance variable cache
snippet ivc
	@${1:variable_name} ||= ${0:cached_value}
# include Enumerable
snippet Enum
	include Enumerable

	def each(&block)
		${0}
	end
# include Comparable
snippet Comp
	include Comparable

	def <=>(other)
		${0}
	end
# extend Forwardable
snippet Forw-
	extend Forwardable
# def self
snippet defs
	def self.${1:class_method_name}
		${0}
	end
# def initialize
snippet definit
	def initialize(${1:args})
		${0}
	end
# def method_missing
snippet defmm
	def method_missing(meth, *args, &blk)
		${0}
	end
snippet defd
	def_delegator :${1:@del_obj}, :${2:del_meth}, :${0:new_name}
snippet defds
	def_delegators :${1:@del_obj}, :${0:del_methods}
snippet am
	alias_method :${1:new_name}, :${0:old_name}
snippet app
	if __FILE__ == \$PROGRAM_NAME
		${0}
	end
# usage_if()
snippet usai
	if ARGV.${1}
		abort "Usage: #{\$PROGRAM_NAME} ${2:ARGS_GO_HERE}"${0}
	end
# usage_unless()
snippet usau
	unless ARGV.${1}
		abort "Usage: #{\$PROGRAM_NAME} ${2:ARGS_GO_HERE}"${0}
	end
snippet array
	Array.new(${1:10}) { |${2:i}| ${0} }
snippet hash
	Hash.new { |${1:hash}, ${2:key}| $1[$2] = ${0} }
snippet file File.foreach() { |line| .. }
	File.foreach(${1:'path/to/file'}) { |${2:line}| ${0} }
snippet file File.read()
	File.read(${1:'path/to/file'})
snippet Dir Dir.global() { |file| .. }
	Dir.glob(${1:'dir/glob/*'}) { |${2:file}| ${0} }
snippet Dir Dir[".."]
	Dir[${1:'glob/**/*.rb'}]
snippet dir
	Filename.dirname(__FILE__)
snippet deli
	delete_if { |${1:e}| ${0} }
snippet fil
	fill(${1:range}) { |${2:i}| ${0} }
# flatten_once()
snippet flao
	reduce(Array.new) { |${1:arr}, ${2:a}| $1.push(*$2) }
snippet zip
	zip(${1:enums}) { |${2:row}| ${0} }
# downto(0) { |n| .. }
snippet dow
	downto(${1:0}) { |${2:n}| ${0} }
snippet ste
	step(${1:2}) { |${2:n}| ${0} }
snippet tim
	times { |${1:n}| ${0} }
snippet upt
	upto(${1:1.0/0.0}) { |${2:n}| ${0} }
snippet loo
	loop { ${0} }
snippet ea
	each { |${1:e}| ${0} }
snippet ead
	each do |${1:e}|
		${0}
	end
snippet eab
	each_byte { |${1:byte}| ${0} }
snippet eac- each_char { |chr| .. }
	each_char { |${1:chr}| ${0} }
snippet eac- each_cons(..) { |group| .. }
	each_cons(${1:2}) { |${2:group}| ${0} }
snippet eai
	each_index { |${1:i}| ${0} }
snippet eaid
	each_index do |${1:i}|
		${0}
	end
snippet eak
	each_key { |${1:key}| ${0} }
snippet eakd
	each_key do |${1:key}|
		${0}
	end
snippet eal
	each_line { |${1:line}| ${0} }
snippet eald
	each_line do |${1:line}|
		${0}
	end
snippet eap
	each_pair { |${1:name}, ${2:val}| ${0} }
snippet eapd
	each_pair do |${1:name}, ${2:val}|
		${0}
	end
snippet eas-
	each_slice(${1:2}) { |${2:group}| ${0} }
snippet easd-
	each_slice(${1:2}) do |${2:group}|
		${0}
	end
snippet eav
	each_value { |${1:val}| ${0} }
snippet eavd
	each_value do |${1:val}|
		${0}
	end
snippet eawi
	each_with_index { |${1:e}, ${2:i}| ${0} }
snippet eawid
	each_with_index do |${1:e}, ${2:i}|
		${0}
	end
snippet eawo
	each_with_object(${1:init}) { |${2:e}, ${3:var}| ${0} }
snippet eawod
	each_with_object(${1:init}) do |${2:e}, ${3:var}|
		${0}
	end
snippet reve
	reverse_each { |${1:e}| ${0} }
snippet reved
	reverse_each do |${1:e}|
		${0}
	end
snippet inj
	inject(${1:init}) { |${2:mem}, ${3:var}| ${0} }
snippet injd
	inject(${1:init}) do |${2:mem}, ${3:var}|
		${0}
	end
snippet red
	reduce(${1:init}) { |${2:mem}, ${3:var}| ${0} }
snippet redd
	reduce(${1:init}) do |${2:mem}, ${3:var}|
		${0}
	end
snippet map
	map { |${1:e}| ${0} }
snippet mapd
	map do |${1:e}|
		${0}
	end
snippet mapwi-
	enum_with_index.map { |${1:e}, ${2:i}| ${0} }
snippet sor
	sort { |a, b| ${0} }
snippet sorb
	sort_by { |${1:e}| ${0} }
snippet ran
	sort_by { rand }
snippet all
	all? { |${1:e}| ${0} }
snippet any
	any? { |${1:e}| ${0} }
snippet cl
	classify { |${1:e}| ${0} }
snippet col
	collect { |${1:e}| ${0} }
snippet cold
	collect do |${1:e}|
		${0}
	end
snippet det
	detect { |${1:e}| ${0} }
snippet detd
	detect do |${1:e}|
		${0}
	end
snippet fet
	fetch(${1:name}) { |${2:key}| ${0} }
snippet fin
	find { |${1:e}| ${0} }
snippet find
	find do |${1:e}|
		${0}
	end
snippet fina
	find_all { |${1:e}| ${0} }
snippet finad
	find_all do |${1:e}|
		${0}
	end
snippet gre
	grep(${1:/pattern/}) { |${2:match}| ${0} }
snippet grepv
	select { |${1:line}| $1 !~ ${2:/pattern/} }${0}
snippet sub
	${1:g}sub(${2:/pattern/}) { |${3:match}| ${0} }
snippet sca
	scan(${1:/pattern/}) { |${2:match}| ${0} }
snippet scad
	scan(${1:/pattern/}) do |${2:match}|
		${0}
	end
snippet max
	max { |a, b| ${0} }
snippet min
	min { |a, b| ${0} }
snippet par
	partition { |${1:e}| ${0} }
snippet pard
	partition do |${1:e}|
		${0}
	end
snippet rej
	reject { |${1:e}| ${0} }
snippet rejd
	reject do |${1:e}|
		${0}
	end
snippet sel
	select { |${1:e}| ${0} }
snippet seld
	select do |${1:e}|
		${0}
	end
snippet lam
	lambda { |${1:args}| ${0} }
snippet ->
	-> { ${0} }
snippet ->a
	->(${1:args}) { ${0} }
# I'm pretty sure that ruby users expect do to expand to do .. end
snippet do
	do
		${0}
	end
# this is for one or more variables. typing a ", " is that cheap that it may
# not be worth adding another snippet. should 0/1 placeholders change order?
# its a good idea to think about the var name, so use it first
snippet dov
	do |${1:v}|
		${2}
	end
snippet :
	${1:key}: ${2:'value'}
snippet ope
	open('${1:path/or/url/or/pipe}', '${2:w}') { |${3:io}| ${0} }
# path_from_here()
snippet fpath
	File.join(File.dirname(__FILE__), *['${1:rel path here}'])
# unix_filter {}
snippet unif
	ARGF.each_line${1} do |${2:line}|
		${0}
	end
# option_parse {}
snippet optp
	require 'optparse'

	options = { ${0:default: 'args'} }

	ARGV.options do |opts|
		opts.banner = "Usage: #{File.basename(\$PROGRAM_NAME)}"
	end
snippet opt
	opts.on('-${1:o}', '--${2:long-option-name}', ${3:String}, '${4:Option description.}') do |${5:opt}|
		${0}
	end
snippet tc
	require 'test/unit'

	require '${1:library_file_name}'

	class Test${2:$1} < Test::Unit::TestCase
		def test_${3:case_name}
			${0}
		end
	end
snippet ts
	require 'test/unit'

	require 'tc_${1:test_case_file}'
	require 'tc_${2:test_case_file}'
snippet as
	assert ${1:test}, '${2:Failure message.}'
snippet ase
	assert_equal ${1:expected}, ${2:actual}
snippet asne
	assert_not_equal ${1:unexpected}, ${2:actual}
snippet asid
	assert_in_delta ${1:expected_float}, ${2:actual_float}, ${3:2**-20}
snippet asi
	assert_includes ${1:collection}, ${2:object}
snippet asio
	assert_instance_of ${1:ExpectedClass}, ${2:actual_instance}
snippet asko
	assert_kind_of ${1:ExpectedKind}, ${2:actual_instance}
snippet asn
	assert_nil ${1:instance}
snippet asnn
	assert_not_nil ${1:instance}
snippet asm
	assert_match(/${1:expected_pattern}/, ${2:actual_string})
snippet asnm
	assert_no_match(/${1:unexpected_pattern}/, ${2:actual_string})
snippet aso
	assert_operator ${1:left}, :${2:operator}, ${3:right}
snippet asr
	assert_raises(${1:StandardError}) { ${0} }
snippet asrd
	assert_raises ${1:StandardError} do
		${0}
	end
snippet asnr
	assert_nothing_raised(${1:StandardError}) { ${0} }
snippet asnrd
	assert_nothing_raised ${1:StandardError} do
		${0}
	end
snippet asrt
	assert_respond_to ${1:object}, :${2:method}
snippet ass assert_same(..)
	assert_same ${1:expected}, ${2:actual}
snippet asss assert_send(..)
	assert_send [${1:object}, :${2:message}, ${3:args}]
snippet asns
	assert_not_same ${1:unexpected}, ${2:actual}
snippet ast
	assert_throws :${1:expected}, -> { ${0} }
snippet astd
	assert_throws :${1:expected} do
		${0}
	end
snippet asnt
	assert_nothing_thrown { ${0} }
snippet asntd
	assert_nothing_thrown do
		${0}
	end
snippet fl
	flunk '${1:Failure message.}'
snippet rf
	refute ${1:test}, '${2:Failure message.}'
snippet rfe
	refute_equal ${1:unexpected}, ${2:actual}
snippet rfko
	refute_kind_of ${1:UnexpectedKind}, ${2:actual_instance}
snippet rfn
	refute_nil ${1:instance}
snippet rfo
	refute_operator ${1:left}, :${2:operator}, ${3:right}
snippet rfi
	refute_includes ${1:collection}, ${2:object}
snippet rfid
	refute_in_delta ${1:unexpected_float}, ${2:actual_float}, ${3:2**-20}
snippet rfio
	refute_instance_of ${1:UnexpectedClass}, ${2:actual_instance}
snippet rfs
	refute_same ${1:unexpected}, ${2:actual}
# Benchmark.bmbm do .. end
snippet bm-
	TESTS = ${1:10_000}
	Benchmark.bmbm do |results|
		${0}
	end
snippet rep
	results.report('${1:name}:') { TESTS.times { ${0} } }
# Marshal.dump(.., file)
snippet Md
	File.open('${1:path/to/file.dump}', 'wb') { |${2:file}| Marshal.dump(${3:obj}, $2) }
# Mashal.load(obj)
snippet Ml
	File.open('${1:path/to/file.dump}', 'rb') { |${2:file}| Marshal.load($2) }
# deep_copy(..)
snippet deec
	Marshal.load(Marshal.dump(${1:obj_to_copy}))
snippet Pn-
	PStore.new('${1:file_name.pstore}')
snippet tra
	transaction(${1:true}) { ${0} }
# xmlread(..)
snippet xml-
	REXML::Document.new(File.read('${1:path/to/file}'))
# xpath(..) { .. }
snippet xpa
	elements.each('${1://Xpath}') do |${2:node}|
		${0}
	end
# class_from_name()
snippet clafn
	split('::').inject(Object) { |par, const| par.const_get(const) }
# singleton_class()
snippet sinc
	class << self; self end
snippet nam
	namespace :${1:`vim_snippets#Filename()`} do
		${0}
	end
snippet tas
	desc '${1:Task description}'
	task ${2:task_name: [:dependent, :tasks]} do
		${0}
	end
# block
snippet b
	{ |${1:var}| ${0} }
snippet begin
	begin
		fail 'A test exception.'
	rescue StandardError => e
		puts e.message
		puts e.backtrace.inspect
	else
		# other exception
	ensure
		# always executed
	end

#debugging
snippet debug
	require 'byebug'; byebug
snippet dbg
	require 'debug'; debugger
snippet debug19
	require 'debugger'; debugger
snippet debug18
	require 'ruby-debug'; debugger
snippet pry
	require 'pry'; binding.pry
snippet irb
	binding.irb
snippet strf
	strftime('${1:%Y-%m-%d %H:%M:%S %z}')${0}
#
# Minitest snippets
#
snippet mb
	must_be ${0}
snippet wb
	wont_be ${0}
snippet mbe
	must_be_empty
snippet wbe
	wont_be_empty
snippet mbio
	must_be_instance_of ${0:Class}
snippet wbio
	wont_be_instance_of ${0:Class}
snippet mbko
	must_be_kind_of ${0:Class}
snippet wbko
	wont_be_kind_of ${0:Class}
snippet mbn
	must_be_nil
snippet wbn
	wont_be_nil
snippet mbsa
	must_be_same_as ${0:other}
snippet wbsa
	wont_be_same_as ${0:other}
snippet mbsi
	-> { ${0} }.must_be_silent
snippet mbwd
	must_be_within_delta ${1:0.1}, ${2:0.1}
snippet wbwd
	wont_be_within_delta ${1:0.1}, ${2:0.1}
snippet mbwe
	must_be_within_epsilon ${1:0.1}, ${2:0.1}
snippet wbwe
	wont_be_within_epsilon ${1:0.1}, ${2:0.1}
snippet me
	must_equal ${0:other}
snippet we
	wont_equal ${0:other}
snippet mi
	must_include ${0:what}
snippet wi
	wont_include ${0:what}
snippet mm
	must_match /${0:regex}/
snippet wm
	wont_match /${0:regex}/
snippet mout
	-> { ${1} }.must_output '${0}'
snippet mra
	-> { ${1} }.must_raise ${0:StandardError}
snippet mrt
	must_respond_to :${0:method}
snippet wrt
	wont_respond_to :${0:method}
snippet msend
	must_send [ ${1:what}, :${2:method}, ${3:args} ]
snippet mthrow
	-> { throw :${1:error} }.must_throw :${2:error}
##########################
#     Rspec snippets     #
##########################
snippet desc
	describe ${1:`substitute(substitute(vim_snippets#Filename(), '_spec$', '', ''), '\(_\|^\)\(.\)', '\u\2', 'g')`} do
		${0}
	end
snippet rdesc
	RSpec.describe ${1:`substitute(substitute(vim_snippets#Filename(), '_spec$', '', ''), '\(_\|^\)\(.\)', '\u\2', 'g')`} do
		${0}
	end
snippet descm
	describe '${1:#method}' do
		${0:pending 'Not implemented'}
	end
snippet cont
	context '${1:message}' do
		${0}
	end
snippet bef
	before :${1:each} do
		${0}
	end
snippet aft
	after :${1:each} do
		${0}
	end
snippet let
	let(:${1:object}) { ${0} }
snippet let!
	let!(:${1:object}) { ${0} }
snippet subj
	subject { ${0} }
snippet s.
	subject.${0:method}
snippet spec
	specify { subject.${0} }
snippet exp
	expect(${1:object}).to ${0}
snippet expb
	expect { ${1:object} }.to ${0}
snippet experr
	expect { ${1:object} }.to raise_error ${2:StandardError}, /${0:message_regex}/
snippet allow
	allow(${1:object}).to ${0}
snippet shared
	shared_examples ${0:'shared examples name'}
snippet ibl
	it_behaves_like ${0:'shared examples name'}
snippet it
	it '${1:spec_name}' do
		${0}
	end
snippet its
	its(:${1:method}) { should ${0} }
snippet is
	it { should ${0} }
snippet isn
	it { should_not ${0} }
snippet iexp
	it { expect(${1:object}).${2} ${0} }
snippet iexpb
	it { expect { ${1:object} }.${2} ${0} }
snippet iiexp
	it { is_expected.to ${0} }
snippet iiexpn
	it { is_expected.not_to ${0} }
snippet agg
	aggregate_failures '${1:message}' do
		${0}
	end