fzf/test/test_go.rb

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#!/usr/bin/env ruby
# encoding: utf-8
require 'minitest/autorun'
require 'fileutils'
base = File.expand_path('../../', __FILE__)
Dir.chdir base
FZF = "#{base}/bin/fzf"
class NilClass
def include? str
false
end
def start_with? str
false
end
def end_with? str
false
end
end
module Temp
def readonce
name = self.class::TEMPNAME
waited = 0
while waited < 5
begin
system 'sync'
data = File.read(name)
return data unless data.empty?
rescue
sleep 0.1
waited += 0.1
end
end
raise "failed to read tempfile"
ensure
while File.exists? name
File.unlink name rescue nil
end
end
end
class Shell
class << self
def bash
'PS1= PROMPT_COMMAND= bash --rcfile ~/.fzf.bash'
end
def zsh
FileUtils.mkdir_p '/tmp/fzf-zsh'
FileUtils.cp File.expand_path('~/.fzf.zsh'), '/tmp/fzf-zsh/.zshrc'
'PS1= PROMPT_COMMAND= HISTSIZE=100 ZDOTDIR=/tmp/fzf-zsh zsh'
end
end
end
class Tmux
include Temp
TEMPNAME = '/tmp/fzf-test.txt'
attr_reader :win
def initialize shell = :bash
@win =
case shell
when :bash
go("new-window -d -P -F '#I' '#{Shell.bash}'").first
when :zsh
go("new-window -d -P -F '#I' '#{Shell.zsh}'").first
when :fish
go("new-window -d -P -F '#I' 'fish'").first
else
raise "Unknown shell: #{shell}"
end
@lines = `tput lines`.chomp.to_i
if shell == :fish
send_keys('function fish_prompt; end; clear', :Enter)
self.until { |lines| lines.empty? }
end
end
def closed?
!go("list-window -F '#I'").include?(win)
end
def close
send_keys 'C-c', 'C-u', 'exit', :Enter
wait { closed? }
end
def kill
go("kill-window -t #{win} 2> /dev/null")
end
def send_keys *args
target =
if args.last.is_a?(Hash)
hash = args.pop
go("select-window -t #{win}")
"#{win}.#{hash[:pane]}"
else
win
end
args = args.map { |a| %{"#{a}"} }.join ' '
go("send-keys -t #{target} #{args}")
end
def capture opts = {}
timeout, pane = defaults(opts).values_at(:timeout, :pane)
waited = 0
loop do
go("capture-pane -t #{win}.#{pane} \\; save-buffer #{TEMPNAME}")
break if $?.exitstatus == 0
if waited > timeout
raise "Window not found"
end
waited += 0.1
sleep 0.1
end
readonce.split($/)[0, @lines].reverse.drop_while(&:empty?).reverse
end
def until opts = {}
lines = nil
wait(opts) do
yield lines = capture(opts)
end
lines
end
def prepare
self.send_keys 'echo hello', :Enter
self.until { |lines| lines[-1].start_with?('hello') }
self.send_keys 'clear', :Enter
self.until { |lines| lines.empty? }
end
private
def defaults opts
{ timeout: 10, pane: 0 }.merge(opts)
end
def wait opts = {}
timeout, pane = defaults(opts).values_at(:timeout, :pane)
waited = 0
until yield
if waited > timeout
hl = '=' * 10
puts hl
capture(opts).each_with_index do |line, idx|
puts [idx.to_s.rjust(2), line].join(': ')
end
puts hl
raise "timeout"
end
waited += 0.1
sleep 0.1
end
end
def go *args
%x[tmux #{args.join ' '}].split($/)
end
end
class TestBase < Minitest::Test
include Temp
FIN = 'FIN'
TEMPNAME = '/tmp/output'
attr_reader :tmux
def setup
ENV.delete 'FZF_DEFAULT_OPTS'
ENV.delete 'FZF_DEFAULT_COMMAND'
end
def fzf(*opts)
fzf!(*opts) + " > #{TEMPNAME} && echo #{FIN}"
end
def fzf!(*opts)
opts = opts.map { |o|
case o
when Symbol
o = o.to_s
o.length > 1 ? "--#{o.gsub('_', '-')}" : "-#{o}"
when String, Numeric
o.to_s
else
nil
end
}.compact
"#{FZF} #{opts.join ' '}"
end
end
class TestGoFZF < TestBase
def setup
super
@tmux = Tmux.new
end
def teardown
@tmux.kill
end
def test_vanilla
tmux.send_keys "seq 1 100000 | #{fzf}", :Enter
tmux.until(timeout: 20) { |lines|
lines.last =~ /^>/ && lines[-2] =~ /^ 100000/ }
lines = tmux.capture
assert_equal ' 2', lines[-4]
assert_equal '> 1', lines[-3]
assert_equal ' 100000/100000', lines[-2]
assert_equal '>', lines[-1]
# Testing basic key bindings
tmux.send_keys '99', 'C-a', '1', 'C-f', '3', 'C-b', 'C-h', 'C-u', 'C-e', 'C-y', 'C-k', 'Tab', 'BTab'
tmux.until { |lines| lines[-2] == ' 856/100000' }
lines = tmux.capture
assert_equal '> 1391', lines[-4]
assert_equal ' 391', lines[-3]
assert_equal ' 856/100000', lines[-2]
assert_equal '> 391', lines[-1]
tmux.send_keys :Enter
tmux.close
assert_equal '1391', readonce.chomp
end
def test_fzf_default_command
tmux.send_keys "FZF_DEFAULT_COMMAND='echo hello' #{fzf}", :Enter
tmux.until { |lines| lines.last =~ /^>/ }
tmux.send_keys :Enter
tmux.close
assert_equal 'hello', readonce.chomp
end
def test_key_bindings
tmux.send_keys "#{FZF} -q 'foo bar foo-bar'", :Enter
tmux.until { |lines| lines.last =~ /^>/ }
# CTRL-A
tmux.send_keys "C-A", "("
tmux.until { |lines| lines.last == '> (foo bar foo-bar' }
# META-F
tmux.send_keys :Escape, :f, ")"
tmux.until { |lines| lines.last == '> (foo) bar foo-bar' }
# CTRL-B
tmux.send_keys "C-B", "var"
tmux.until { |lines| lines.last == '> (foovar) bar foo-bar' }
# Left, CTRL-D
tmux.send_keys :Left, :Left, "C-D"
tmux.until { |lines| lines.last == '> (foovr) bar foo-bar' }
# META-BS
tmux.send_keys :Escape, :BSpace
tmux.until { |lines| lines.last == '> (r) bar foo-bar' }
# CTRL-Y
tmux.send_keys "C-Y", "C-Y"
tmux.until { |lines| lines.last == '> (foovfoovr) bar foo-bar' }
# META-B
tmux.send_keys :Escape, :b, :Space, :Space
tmux.until { |lines| lines.last == '> ( foovfoovr) bar foo-bar' }
# CTRL-F / Right
tmux.send_keys 'C-F', :Right, '/'
tmux.until { |lines| lines.last == '> ( fo/ovfoovr) bar foo-bar' }
# CTRL-H / BS
tmux.send_keys 'C-H', :BSpace
tmux.until { |lines| lines.last == '> ( fovfoovr) bar foo-bar' }
# CTRL-E
tmux.send_keys "C-E", 'baz'
tmux.until { |lines| lines.last == '> ( fovfoovr) bar foo-barbaz' }
# CTRL-U
tmux.send_keys "C-U"
tmux.until { |lines| lines.last == '>' }
# CTRL-Y
tmux.send_keys "C-Y"
tmux.until { |lines| lines.last == '> ( fovfoovr) bar foo-barbaz' }
# CTRL-W
tmux.send_keys "C-W", "bar-foo"
tmux.until { |lines| lines.last == '> ( fovfoovr) bar bar-foo' }
# META-D
tmux.send_keys :Escape, :b, :Escape, :b, :Escape, :d, "C-A", "C-Y"
tmux.until { |lines| lines.last == '> bar( fovfoovr) bar -foo' }
# CTRL-M
tmux.send_keys "C-M"
tmux.until { |lines| lines.last !~ /^>/ }
tmux.close
end
def test_multi_order
tmux.send_keys "seq 1 10 | #{fzf :multi}", :Enter
tmux.until { |lines| lines.last =~ /^>/ }
tmux.send_keys :Tab, :Up, :Up, :Tab, :Tab, :Tab, # 3, 2
'C-K', 'C-K', 'C-K', 'C-K', :BTab, :BTab, # 5, 6
:PgUp, 'C-J', :Down, :Tab, :Tab # 8, 7
tmux.until { |lines| lines[-2].include? '(6)' }
tmux.send_keys "C-M"
tmux.until { |lines| lines[-1].include?(FIN) }
assert_equal %w[3 2 5 6 8 7], readonce.split($/)
tmux.close
end
def test_with_nth
[true, false].each do |multi|
tmux.send_keys "(echo ' 1st 2nd 3rd/';
echo ' first second third/') |
#{fzf multi && :multi, :x, :nth, 2, :with_nth, '2,-1,1'}",
:Enter
tmux.until { |lines| lines[-2].include?('2/2') }
# Transformed list
lines = tmux.capture
assert_equal ' second third/first', lines[-4]
assert_equal '> 2nd 3rd/1st', lines[-3]
# However, the output must not be transformed
if multi
tmux.send_keys :BTab, :BTab, :Enter
tmux.until { |lines| lines[-1].include?(FIN) }
assert_equal [' 1st 2nd 3rd/', ' first second third/'], readonce.split($/)
else
tmux.send_keys '^', '3'
tmux.until { |lines| lines[-2].include?('1/2') }
tmux.send_keys :Enter
tmux.until { |lines| lines[-1].include?(FIN) }
assert_equal [' 1st 2nd 3rd/'], readonce.split($/)
end
end
end
def test_scroll
[true, false].each do |rev|
tmux.send_keys "seq 1 100 | #{fzf rev && :reverse}", :Enter
tmux.until { |lines| lines.include? ' 100/100' }
tmux.send_keys *110.times.map { rev ? :Down : :Up }
tmux.until { |lines| lines.include? '> 100' }
tmux.send_keys :Enter
tmux.until { |lines| lines[-1].include?(FIN) }
assert_equal '100', readonce.chomp
end
end
def test_select_1
tmux.send_keys "seq 1 100 | #{fzf :with_nth, '..,..', :print_query, :q, 5555, :'1'}", :Enter
tmux.until { |lines| lines[-1].include?(FIN) }
assert_equal ['5555', '55'], readonce.split($/)
end
def test_exit_0
tmux.send_keys "seq 1 100 | #{fzf :with_nth, '..,..', :print_query, :q, 555555, :'0'}", :Enter
tmux.until { |lines| lines[-1].include?(FIN) }
assert_equal ['555555'], readonce.split($/)
end
def test_select_1_exit_0_fail
[:'0', :'1', [:'1', :'0']].each do |opt|
tmux.send_keys "seq 1 100 | #{fzf :print_query, :multi, :q, 5, *opt}", :Enter
tmux.until { |lines| lines.last =~ /^> 5/ }
tmux.send_keys :BTab, :BTab, :BTab, :Enter
tmux.until { |lines| lines[-1].include?(FIN) }
assert_equal ['5', '5', '15', '25'], readonce.split($/)
end
end
def test_query_unicode
tmux.send_keys "(echo abc; echo 가나다) | #{fzf :query, '가다'}", :Enter
tmux.until { |lines| lines.last.start_with? '>' }
tmux.send_keys :Enter
tmux.until { |lines| lines[-1].include?(FIN) }
assert_equal ['가나다'], readonce.split($/)
end
def test_sync
tmux.send_keys "seq 1 100 | #{fzf! :multi} | awk '{print \\$1 \\$1}' | #{fzf :sync}", :Enter
tmux.until { |lines| lines[-1] == '>' }
tmux.send_keys 9
tmux.until { |lines| lines[-2] == ' 19/100' }
tmux.send_keys :BTab, :BTab, :BTab, :Enter
tmux.until { |lines| lines[-1] == '>' }
tmux.send_keys 'C-K', :Enter
assert_equal ['1919'], readonce.split($/)
end
def test_tac
tmux.send_keys "seq 1 1000 | #{fzf :tac, :multi}", :Enter
tmux.until { |lines| lines[-2].include? '1000/1000' }
tmux.send_keys :BTab, :BTab, :BTab, :Enter
assert_equal %w[1000 999 998], readonce.split($/)
end
def test_tac_sort
tmux.send_keys "seq 1 1000 | #{fzf :tac, :multi}", :Enter
tmux.until { |lines| lines[-2].include? '1000/1000' }
tmux.send_keys '99'
tmux.send_keys :BTab, :BTab, :BTab, :Enter
assert_equal %w[99 999 998], readonce.split($/)
end
def test_tac_nosort
tmux.send_keys "seq 1 1000 | #{fzf :tac, :no_sort, :multi}", :Enter
tmux.until { |lines| lines[-2].include? '1000/1000' }
tmux.send_keys '00'
tmux.send_keys :BTab, :BTab, :BTab, :Enter
assert_equal %w[1000 900 800], readonce.split($/)
end
def test_expect
test = lambda do |key, feed, expected = key|
tmux.send_keys "seq 1 100 | #{fzf :expect, key}", :Enter
tmux.until { |lines| lines[-2].include? '100/100' }
tmux.send_keys '55'
tmux.send_keys *feed
assert_equal [expected, '55'], readonce.split($/)
end
test.call 'ctrl-t', 'C-T'
test.call 'ctrl-t', 'Enter', ''
test.call 'alt-c', [:Escape, :c]
test.call 'f1', 'f1'
test.call 'f2', 'f2'
test.call 'f3', 'f3'
test.call 'f2,f4', 'f2', 'f2'
test.call 'f2,f4', 'f4', 'f4'
test.call '@', '@'
end
def test_expect_print_query
tmux.send_keys "seq 1 100 | #{fzf '--expect=alt-z', :print_query}", :Enter
tmux.until { |lines| lines[-2].include? '100/100' }
tmux.send_keys '55'
tmux.send_keys :Escape, :z
assert_equal ['55', 'alt-z', '55'], readonce.split($/)
end
def test_expect_print_query_select_1
tmux.send_keys "seq 1 100 | #{fzf '-q55 -1 --expect=alt-z --print-query'}", :Enter
assert_equal ['55', '', '55'], readonce.split($/)
end
def test_toggle_sort
tmux.send_keys "seq 1 111 | #{fzf '-m +s --tac --toggle-sort=ctrl-r -q11'}", :Enter
tmux.until { |lines| lines[-3].include? '> 111' }
tmux.send_keys :Tab
tmux.until { |lines| lines[-2].include? '4/111 (1)' }
tmux.send_keys 'C-R'
tmux.until { |lines| lines[-3].include? '> 11' }
tmux.send_keys :Tab
tmux.until { |lines| lines[-2].include? '4/111/S (2)' }
tmux.send_keys :Enter
assert_equal ['111', '11'], readonce.split($/)
end
def test_unicode_case
tempname = TEMPNAME + Time.now.to_f.to_s
writelines tempname, %w[строКА1 СТРОКА2 строка3 Строка4]
assert_equal %w[СТРОКА2 Строка4], `cat #{tempname} | #{FZF} -fС`.split($/)
assert_equal %w[строКА1 СТРОКА2 строка3 Строка4], `cat #{tempname} | #{FZF} -fс`.split($/)
rescue
File.unlink tempname
end
def test_tiebreak
tempname = TEMPNAME + Time.now.to_f.to_s
input = %w[
--foobar--------
-----foobar---
----foobar--
-------foobar-
]
writelines tempname, input
assert_equal input, `cat #{tempname} | #{FZF} -ffoobar --tiebreak=index`.split($/)
by_length = %w[
----foobar--
-----foobar---
-------foobar-
--foobar--------
]
assert_equal by_length, `cat #{tempname} | #{FZF} -ffoobar`.split($/)
assert_equal by_length, `cat #{tempname} | #{FZF} -ffoobar --tiebreak=length`.split($/)
by_begin = %w[
--foobar--------
----foobar--
-----foobar---
-------foobar-
]
assert_equal by_begin, `cat #{tempname} | #{FZF} -ffoobar --tiebreak=begin`.split($/)
assert_equal by_begin, `cat #{tempname} | #{FZF} -f"!z foobar" -x --tiebreak begin`.split($/)
assert_equal %w[
-------foobar-
----foobar--
-----foobar---
--foobar--------
], `cat #{tempname} | #{FZF} -ffoobar --tiebreak end`.split($/)
assert_equal input, `cat #{tempname} | #{FZF} -f"!z" -x --tiebreak end`.split($/)
rescue
File.unlink tempname
end
private
def writelines path, lines, timeout = 10
File.open(path, 'w') do |f|
f << lines.join($/)
f.sync
end
since = Time.now
while `cat #{path}`.split($/).length != lines.length && (Time.now - since) < 10
sleep 0.1
end
end
end
module TestShell
def setup
super
end
def teardown
@tmux.kill
end
def test_ctrl_t
tmux.prepare
tmux.send_keys 'C-t', pane: 0
lines = tmux.until(pane: 1) { |lines| lines[-1].start_with? '>' }
expected = lines.values_at(-3, -4).map { |line| line[2..-1] }.join(' ')
tmux.send_keys :BTab, :BTab, :Enter, pane: 1
tmux.until(pane: 0) { |lines| lines[-1].include? expected }
tmux.send_keys 'C-c'
# FZF_TMUX=0
new_shell
tmux.send_keys 'C-t', pane: 0
lines = tmux.until(pane: 0) { |lines| lines[-1].start_with? '>' }
expected = lines.values_at(-3, -4).map { |line| line[2..-1] }.join(' ')
tmux.send_keys :BTab, :BTab, :Enter, pane: 0
tmux.until(pane: 0) { |lines| lines[-1].include? expected }
tmux.send_keys 'C-c', 'C-d'
end
def test_alt_c
tmux.prepare
tmux.send_keys :Escape, :c
lines = tmux.until { |lines| lines[-1].start_with? '>' }
expected = lines[-3][2..-1]
p expected
tmux.send_keys :Enter
tmux.prepare
tmux.send_keys :pwd, :Enter
tmux.until { |lines| p lines; lines[-1].end_with?(expected) }
end
def test_ctrl_r
tmux.prepare
tmux.send_keys 'echo 1st', :Enter; tmux.prepare
tmux.send_keys 'echo 2nd', :Enter; tmux.prepare
tmux.send_keys 'echo 3d', :Enter; tmux.prepare
tmux.send_keys 'echo 3rd', :Enter; tmux.prepare
tmux.send_keys 'echo 4th', :Enter; tmux.prepare
tmux.send_keys 'C-r'
tmux.until { |lines| lines[-1].start_with? '>' }
tmux.send_keys '3d'
tmux.until { |lines| lines[-3].end_with? 'echo 3rd' } # --no-sort
tmux.send_keys :Enter
tmux.until { |lines| lines[-1] == 'echo 3rd' }
tmux.send_keys :Enter
tmux.until { |lines| lines[-1] == '3rd' }
end
end
class TestBash < TestBase
include TestShell
def new_shell
tmux.send_keys "FZF_TMUX=0 #{Shell.bash}", :Enter
tmux.prepare
end
def setup
super
@tmux = Tmux.new :bash
end
def test_file_completion
tmux.send_keys 'mkdir -p /tmp/fzf-test; touch /tmp/fzf-test/{1..100}', :Enter
tmux.prepare
tmux.send_keys 'cat /tmp/fzf-test/10**', :Tab, pane: 0
tmux.until(pane: 1) { |lines| lines[-1].start_with? '>' }
tmux.send_keys :BTab, :BTab, :Enter
tmux.until do |lines|
tmux.send_keys 'C-L'
lines[-1].include?('/tmp/fzf-test/10') &&
lines[-1].include?('/tmp/fzf-test/100')
end
end
def test_dir_completion
tmux.send_keys 'mkdir -p /tmp/fzf-test/d{1..100}; touch /tmp/fzf-test/d55/xxx', :Enter
tmux.prepare
tmux.send_keys 'cd /tmp/fzf-test/**', :Tab, pane: 0
tmux.until(pane: 1) { |lines| lines[-1].start_with? '>' }
tmux.send_keys :BTab, :BTab # BTab does not work here
tmux.send_keys 55
tmux.until(pane: 1) { |lines| lines[-2].start_with? ' 1/' }
tmux.send_keys :Enter
tmux.until do |lines|
tmux.send_keys 'C-L'
lines[-1] == 'cd /tmp/fzf-test/d55/'
end
tmux.send_keys :xx
tmux.until { |lines| lines[-1] == 'cd /tmp/fzf-test/d55/xx' }
# Should not match regular files
tmux.send_keys :Tab
tmux.until { |lines| lines[-1] == 'cd /tmp/fzf-test/d55/xx' }
# Fail back to plusdirs
tmux.send_keys :BSpace, :BSpace, :BSpace
tmux.until { |lines| lines[-1] == 'cd /tmp/fzf-test/d55' }
tmux.send_keys :Tab
tmux.until { |lines| lines[-1] == 'cd /tmp/fzf-test/d55/' }
end
def test_process_completion
tmux.send_keys 'sleep 12345 &', :Enter
lines = tmux.until { |lines| lines[-1].start_with? '[1]' }
pid = lines[-1].split.last
tmux.prepare
tmux.send_keys 'kill ', :Tab, pane: 0
tmux.until(pane: 1) { |lines| lines[-1].start_with? '>' }
tmux.send_keys 'sleep12345'
tmux.until(pane: 1) { |lines| lines[-3].include? 'sleep 12345' }
tmux.send_keys :Enter
tmux.until do |lines|
tmux.send_keys 'C-L'
lines[-1] == "kill #{pid}"
end
end
end
class TestZsh < TestBase
include TestShell
def new_shell
tmux.send_keys "FZF_TMUX=0 #{Shell.zsh}", :Enter
tmux.prepare
end
def setup
super
@tmux = Tmux.new :zsh
end
end
class TestFish < TestBase
include TestShell
def new_shell
tmux.send_keys 'env FZF_TMUX=0 fish', :Enter
tmux.send_keys 'function fish_prompt; end; clear', :Enter
tmux.until { |lines| lines.empty? }
end
def setup
super
@tmux = Tmux.new :fish
end
end