fzf/test/test_go.rb
Junegunn Choi 2f6d23b91e Enhanced ranking algorithm
Based on the patch by Matt Westcott (@mjwestcott).
But with a more conservative approach:
- Does not use linearly increasing penalties; It is agreed upon that we
  should prefer matching characters at the beginnings of the words, but
  it's not always clear that the relevance is inversely proportional to
  the distance from the beginning.
- The approach here is more conservative in that the bonus is never
  large enough to override the matchlen, so it can be thought of as the
  first implicit tiebreak criterion.
- One may argue the change breaks the contract of --tiebreak, but the
  judgement depends on the definition of "tie".
2016-04-16 14:33:38 +09:00

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#!/usr/bin/env ruby
# encoding: utf-8
require 'minitest/autorun'
require 'fileutils'
DEFAULT_TIMEOUT = 20
FILE = File.expand_path(__FILE__)
base = File.expand_path('../../', __FILE__)
Dir.chdir base
FZF = "FZF_DEFAULT_OPTS= FZF_DEFAULT_COMMAND= #{base}/bin/fzf"
class NilClass
def include? str
false
end
def start_with? str
false
end
def end_with? str
false
end
end
def wait
since = Time.now
while Time.now - since < DEFAULT_TIMEOUT
return if yield
sleep 0.05
end
throw 'timeout'
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
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 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 pane = 0
File.unlink TEMPNAME while File.exists? TEMPNAME
wait do
go("capture-pane -t #{win}.#{pane} \\; save-buffer #{TEMPNAME} 2> /dev/null")
$?.exitstatus == 0
end
File.read(TEMPNAME).split($/)[0, @lines].reverse.drop_while(&:empty?).reverse
end
def until pane = 0
lines = nil
begin
wait do
lines = capture(pane)
class << lines
def item_count
self[-2] ? self[-2].strip.split('/').last.to_i : 0
end
end
yield lines
end
rescue Exception
puts $!.backtrace
puts '>' * 80
puts lines
puts '<' * 80
raise
end
lines
end
def prepare
tries = 0
begin
self.send_keys 'C-u', 'hello', 'Right'
self.until { |lines| lines[-1].end_with?('hello') }
rescue Exception
(tries += 1) < 5 ? retry : raise
end
self.send_keys 'C-u'
end
private
def go *args
%x[tmux #{args.join ' '}].split($/)
end
end
class TestBase < Minitest::Test
TEMPNAME = '/tmp/output'
attr_reader :tmux
def tempname
@temp_suffix ||= 0
[TEMPNAME,
caller_locations.map(&:label).find { |l| l =~ /^test_/ },
@temp_suffix].join '-'
end
def setup
ENV.delete 'FZF_DEFAULT_OPTS'
ENV.delete 'FZF_CTRL_T_COMMAND'
ENV.delete 'FZF_DEFAULT_COMMAND'
end
def readonce
wait { File.exists?(tempname) }
File.read(tempname)
ensure
File.unlink tempname while File.exists?(tempname)
@temp_suffix += 1
tmux.prepare
end
def fzf(*opts)
fzf!(*opts) + " > #{tempname}.tmp; mv #{tempname}.tmp #{tempname}"
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 { |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 '> 3910', lines[-4]
assert_equal ' 391', lines[-3]
assert_equal ' 856/100000', lines[-2]
assert_equal '> 391', lines[-1]
tmux.send_keys :Enter
assert_equal '3910', readonce.chomp
end
def test_fzf_default_command
tmux.send_keys fzf.sub('FZF_DEFAULT_COMMAND=', "FZF_DEFAULT_COMMAND='echo hello'"), :Enter
tmux.until { |lines| lines.last =~ /^>/ }
tmux.send_keys :Enter
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 !~ /^>/ }
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"
assert_equal %w[3 2 5 6 8 7], readonce.split($/)
end
def test_with_nth
[true, false].each do |multi|
tmux.send_keys "(echo ' 1st 2nd 3rd/';
echo ' first second third/') |
#{fzf multi && :multi, :x, :nth, 2, :with_nth, '2,-1,1'}",
:Enter
tmux.until { |lines| lines[-2].include?('2/2') }
# Transformed list
lines = tmux.capture
assert_equal ' second third/first', lines[-4]
assert_equal '> 2nd 3rd/1st', lines[-3]
# However, the output must not be transformed
if multi
tmux.send_keys :BTab, :BTab
tmux.until { |lines| lines[-2].include?('(2)') }
tmux.send_keys :Enter
assert_equal [' 1st 2nd 3rd/', ' first second third/'], readonce.split($/)
else
tmux.send_keys '^', '3'
tmux.until { |lines| lines[-2].include?('1/2') }
tmux.send_keys :Enter
assert_equal [' 1st 2nd 3rd/'], readonce.split($/)
end
end
end
def test_scroll
[true, false].each do |rev|
tmux.send_keys "seq 1 100 | #{fzf rev && :reverse}", :Enter
tmux.until { |lines| lines.include? ' 100/100' }
tmux.send_keys *110.times.map { rev ? :Down : :Up }
tmux.until { |lines| lines.include? '> 100' }
tmux.send_keys :Enter
assert_equal '100', readonce.chomp
end
end
def test_select_1
tmux.send_keys "seq 1 100 | #{fzf :with_nth, '..,..', :print_query, :q, 5555, :'1'}", :Enter
assert_equal ['5555', '55'], readonce.split($/)
end
def test_exit_0
tmux.send_keys "seq 1 100 | #{fzf :with_nth, '..,..', :print_query, :q, 555555, :'0'}", :Enter
assert_equal ['555555'], readonce.split($/)
end
def test_select_1_exit_0_fail
[:'0', :'1', [:'1', :'0']].each do |opt|
tmux.send_keys "seq 1 100 | #{fzf :print_query, :multi, :q, 5, *opt}", :Enter
tmux.until { |lines| lines.last =~ /^> 5/ }
tmux.send_keys :BTab, :BTab, :BTab
tmux.until { |lines| lines[-2].include?('(3)') }
tmux.send_keys :Enter
assert_equal ['5', '5', '50', '51'], readonce.split($/)
end
end
def test_query_unicode
tmux.send_keys "(echo abc; echo 가나다) | #{fzf :query, '가다'}", :Enter
tmux.until { |lines| lines[-2].include? '1/2' }
tmux.send_keys :Enter
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
tmux.until { |lines| lines[-2].include?('(3)') }
tmux.send_keys :Enter
tmux.until { |lines| lines[-1] == '>' }
tmux.send_keys 'C-K', :Enter
assert_equal ['9090'], readonce.split($/)
end
def test_tac
tmux.send_keys "seq 1 1000 | #{fzf :tac, :multi}", :Enter
tmux.until { |lines| lines[-2].include? '1000/1000' }
tmux.send_keys :BTab, :BTab, :BTab
tmux.until { |lines| lines[-2].include?('(3)') }
tmux.send_keys :Enter
assert_equal %w[1000 999 998], readonce.split($/)
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.until { |lines| lines[-2].include? '28/1000' }
tmux.send_keys :BTab, :BTab, :BTab
tmux.until { |lines| lines[-2].include?('(3)') }
tmux.send_keys :Enter
assert_equal %w[99 999 998], readonce.split($/)
end
def test_tac_nosort
tmux.send_keys "seq 1 1000 | #{fzf :tac, :no_sort, :multi}", :Enter
tmux.until { |lines| lines[-2].include? '1000/1000' }
tmux.send_keys '00'
tmux.until { |lines| lines[-2].include? '10/1000' }
tmux.send_keys :BTab, :BTab, :BTab
tmux.until { |lines| lines[-2].include?('(3)') }
tmux.send_keys :Enter
assert_equal %w[1000 900 800], readonce.split($/)
end
def test_expect
test = lambda do |key, feed, expected = key|
tmux.send_keys "seq 1 100 | #{fzf :expect, key}; sync", :Enter
tmux.until { |lines| lines[-2].include? '100/100' }
tmux.send_keys '55'
tmux.until { |lines| lines[-2].include? '1/100' }
tmux.send_keys *feed
tmux.prepare
assert_equal [expected, '55'], readonce.split($/)
end
test.call 'ctrl-t', 'C-T'
test.call 'ctrl-t', 'Enter', ''
test.call 'alt-c', [:Escape, :c]
test.call 'f1', 'f1'
test.call 'f2', 'f2'
test.call 'f3', 'f3'
test.call 'f2,f4', 'f2', 'f2'
test.call 'f2,f4', 'f4', 'f4'
test.call '@', '@'
end
def test_expect_print_query
tmux.send_keys "seq 1 100 | #{fzf '--expect=alt-z', :print_query}", :Enter
tmux.until { |lines| lines[-2].include? '100/100' }
tmux.send_keys '55'
tmux.until { |lines| lines[-2].include? '1/100' }
tmux.send_keys :Escape, :z
assert_equal ['55', 'alt-z', '55'], readonce.split($/)
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($/)
end
def test_toggle_sort
['--toggle-sort=ctrl-r', '--bind=ctrl-r:toggle-sort'].each do |opt|
tmux.send_keys "seq 1 111 | #{fzf "-m +s --tac #{opt} -q11"}", :Enter
tmux.until { |lines| lines[-3].include? '> 111' }
tmux.send_keys :Tab
tmux.until { |lines| lines[-2].include? '4/111 (1)' }
tmux.send_keys 'C-R'
tmux.until { |lines| lines[-3].include? '> 11' }
tmux.send_keys :Tab
tmux.until { |lines| lines[-2].include? '4/111/S (2)' }
tmux.send_keys :Enter
assert_equal ['111', '11'], readonce.split($/)
end
end
def test_unicode_case
writelines tempname, %w[строКА1 СТРОКА2 строка3 Строка4]
assert_equal %w[СТРОКА2 Строка4], `#{FZF} -fС < #{tempname}`.split($/)
assert_equal %w[строКА1 СТРОКА2 строка3 Строка4], `#{FZF} -fс < #{tempname}`.split($/)
end
def test_tiebreak
input = %w[
--foobar--------
-----foobar---
----foobar--
-------foobar-
]
writelines tempname, input
assert_equal input, `#{FZF} -ffoobar --tiebreak=index < #{tempname}`.split($/)
by_length = %w[
----foobar--
-----foobar---
-------foobar-
--foobar--------
]
assert_equal by_length, `#{FZF} -ffoobar < #{tempname}`.split($/)
assert_equal by_length, `#{FZF} -ffoobar --tiebreak=length < #{tempname}`.split($/)
by_begin = %w[
--foobar--------
----foobar--
-----foobar---
-------foobar-
]
assert_equal by_begin, `#{FZF} -ffoobar --tiebreak=begin < #{tempname}`.split($/)
assert_equal by_begin, `#{FZF} -f"!z foobar" -x --tiebreak begin < #{tempname}`.split($/)
assert_equal %w[
-------foobar-
----foobar--
-----foobar---
--foobar--------
], `#{FZF} -ffoobar --tiebreak end < #{tempname}`.split($/)
assert_equal input, `#{FZF} -f"!z" -x --tiebreak end < #{tempname}`.split($/)
end
# Since 0.11.2
def test_tiebreak_list
input = %w[
f-o-o-b-a-r
foobar----
--foobar
----foobar
foobar--
--foobar--
foobar
]
writelines tempname, input
assert_equal %w[
foobar----
--foobar
----foobar
foobar--
--foobar--
foobar
f-o-o-b-a-r
], `#{FZF} -ffb --tiebreak=index < #{tempname}`.split($/)
by_length = %w[
foobar
--foobar
foobar--
foobar----
----foobar
--foobar--
f-o-o-b-a-r
]
assert_equal by_length, `#{FZF} -ffb < #{tempname}`.split($/)
assert_equal by_length, `#{FZF} -ffb --tiebreak=length < #{tempname}`.split($/)
assert_equal %w[
foobar
foobar--
--foobar
foobar----
--foobar--
----foobar
f-o-o-b-a-r
], `#{FZF} -ffb --tiebreak=length,begin < #{tempname}`.split($/)
assert_equal %w[
foobar
--foobar
foobar--
----foobar
--foobar--
foobar----
f-o-o-b-a-r
], `#{FZF} -ffb --tiebreak=length,end < #{tempname}`.split($/)
assert_equal %w[
foobar----
foobar--
foobar
--foobar
--foobar--
----foobar
f-o-o-b-a-r
], `#{FZF} -ffb --tiebreak=begin < #{tempname}`.split($/)
by_begin_end = %w[
foobar
foobar--
foobar----
--foobar
--foobar--
----foobar
f-o-o-b-a-r
]
assert_equal by_begin_end, `#{FZF} -ffb --tiebreak=begin,length < #{tempname}`.split($/)
assert_equal by_begin_end, `#{FZF} -ffb --tiebreak=begin,end < #{tempname}`.split($/)
assert_equal %w[
--foobar
----foobar
foobar
foobar--
--foobar--
foobar----
f-o-o-b-a-r
], `#{FZF} -ffb --tiebreak=end < #{tempname}`.split($/)
by_begin_end = %w[
foobar
--foobar
----foobar
foobar--
--foobar--
foobar----
f-o-o-b-a-r
]
assert_equal by_begin_end, `#{FZF} -ffb --tiebreak=end,begin < #{tempname}`.split($/)
assert_equal by_begin_end, `#{FZF} -ffb --tiebreak=end,length < #{tempname}`.split($/)
end
def test_tiebreak_white_prefix
writelines tempname, [
'f o o b a r',
' foo bar',
' foobar',
'----foo bar',
'----foobar',
' foo bar',
' foobar--',
' foobar',
'--foo bar',
'--foobar',
'foobar',
]
assert_equal [
' foobar',
' foobar',
'foobar',
' foobar--',
'--foobar',
'----foobar',
' foo bar',
' foo bar',
'--foo bar',
'----foo bar',
'f o o b a r',
], `#{FZF} -ffb < #{tempname}`.split($/)
assert_equal [
' foobar',
' foobar--',
' foobar',
'foobar',
'--foobar',
'----foobar',
' foo bar',
' foo bar',
'--foo bar',
'----foo bar',
'f o o b a r',
], `#{FZF} -ffb --tiebreak=begin < #{tempname}`.split($/)
assert_equal [
' foobar',
' foobar',
'foobar',
' foobar--',
'--foobar',
'----foobar',
' foo bar',
' foo bar',
'--foo bar',
'----foo bar',
'f o o b a r',
], `#{FZF} -ffb --tiebreak=begin,length < #{tempname}`.split($/)
end
def test_tiebreak_length_with_nth
input = %w[
1:hell
123:hello
12345:he
1234567:h
]
writelines tempname, input
output = %w[
1:hell
12345:he
123:hello
1234567:h
]
assert_equal output, `#{FZF} -fh < #{tempname}`.split($/)
output = %w[
1234567:h
12345:he
1:hell
123:hello
]
assert_equal output, `#{FZF} -fh -n2 -d: < #{tempname}`.split($/)
end
def test_tiebreak_length_with_nth_trim_length
input = [
"apple juice bottle 1",
"apple ui bottle 2",
"app ice bottle 3",
"app ic bottle 4",
]
writelines tempname, input
# len(1)
output = [
"app ice bottle 3",
"app ic bottle 4",
"apple juice bottle 1",
"apple ui bottle 2",
]
assert_equal output, `#{FZF} -fa -n1 < #{tempname}`.split($/)
# len(1 ~ 2)
output = [
"app ic bottle 4",
"app ice bottle 3",
"apple ui bottle 2",
"apple juice bottle 1",
]
assert_equal output, `#{FZF} -fai -n1..2 < #{tempname}`.split($/)
# len(1) + len(2)
output = [
"app ic bottle 4",
"app ice bottle 3",
"apple ui bottle 2",
"apple juice bottle 1",
]
assert_equal output, `#{FZF} -x -f"a i" -n1,2 < #{tempname}`.split($/)
# len(2)
output = [
"app ic bottle 4",
"app ice bottle 3",
"apple ui bottle 2",
"apple juice bottle 1",
]
assert_equal output, `#{FZF} -fi -n2 < #{tempname}`.split($/)
assert_equal output, `#{FZF} -fi -n2,1..2 < #{tempname}`.split($/)
end
def test_tiebreak_end_backward_scan
input = %w[
foobar-fb
fubar
]
writelines tempname, input
assert_equal input.reverse, `#{FZF} -f fb < #{tempname}`.split($/)
assert_equal input, `#{FZF} -f fb --tiebreak=end < #{tempname}`.split($/)
end
def test_invalid_cache
tmux.send_keys "(echo d; echo D; echo x) | #{fzf '-q d'}", :Enter
tmux.until { |lines| lines[-2].include? '2/3' }
tmux.send_keys :BSpace
tmux.until { |lines| lines[-2].include? '3/3' }
tmux.send_keys :D
tmux.until { |lines| lines[-2].include? '1/3' }
tmux.send_keys :Enter
end
def test_smart_case_for_each_term
assert_equal 1, `echo Foo bar | #{FZF} -x -f "foo Fbar" | wc -l`.to_i
end
def test_bind
tmux.send_keys "seq 1 1000 | #{
fzf '-m --bind=ctrl-j:accept,u:up,T:toggle-up,t:toggle'}", :Enter
tmux.until { |lines| lines[-2].end_with? '/1000' }
tmux.send_keys 'uuu', 'TTT', 'tt', 'uu', 'ttt', 'C-j'
assert_equal %w[4 5 6 9], readonce.split($/)
end
def test_long_line
data = '.' * 256 * 1024
File.open(tempname, 'w') do |f|
f << data
end
assert_equal data, `#{FZF} -f . < #{tempname}`.chomp
end
def test_read0
lines = `find .`.split($/)
assert_equal lines.last, `find . | #{FZF} -e -f "^#{lines.last}$"`.chomp
assert_equal lines.last, `find . -print0 | #{FZF} --read0 -e -f "^#{lines.last}$"`.chomp
end
def test_select_all_deselect_all_toggle_all
tmux.send_keys "seq 100 | #{fzf '--bind ctrl-a:select-all,ctrl-d:deselect-all,ctrl-t:toggle-all --multi'}", :Enter
tmux.until { |lines| lines[-2].include? '100/100' }
tmux.send_keys :BTab, :BTab, :BTab
tmux.until { |lines| lines[-2].include? '(3)' }
tmux.send_keys 'C-t'
tmux.until { |lines| lines[-2].include? '(97)' }
tmux.send_keys 'C-a'
tmux.until { |lines| lines[-2].include? '(100)' }
tmux.send_keys :Tab, :Tab
tmux.until { |lines| lines[-2].include? '(98)' }
tmux.send_keys 'C-d'
tmux.until { |lines| !lines[-2].include? '(' }
tmux.send_keys :Tab, :Tab
tmux.until { |lines| lines[-2].include? '(2)' }
tmux.send_keys 0
tmux.until { |lines| lines[-2].include? '10/100' }
tmux.send_keys 'C-a'
tmux.until { |lines| lines[-2].include? '(12)' }
tmux.send_keys :Enter
assert_equal %w[2 1 10 20 30 40 50 60 70 80 90 100], readonce.split($/)
end
def test_history
history_file = '/tmp/fzf-test-history'
# History with limited number of entries
File.unlink history_file rescue nil
opts = "--history=#{history_file} --history-size=4"
input = %w[00 11 22 33 44].map { |e| e + $/ }
input.each do |keys|
tmux.send_keys "seq 100 | #{fzf opts}", :Enter
tmux.until { |lines| lines[-2].include? '100/100' }
tmux.send_keys keys
tmux.until { |lines| lines[-2].include? '1/100' }
tmux.send_keys :Enter
readonce
end
assert_equal input[1..-1], File.readlines(history_file)
# Update history entries (not changed on disk)
tmux.send_keys "seq 100 | #{fzf opts}", :Enter
tmux.until { |lines| lines[-2].include? '100/100' }
tmux.send_keys 'C-p'
tmux.until { |lines| lines[-1].end_with? '> 44' }
tmux.send_keys 'C-p'
tmux.until { |lines| lines[-1].end_with? '> 33' }
tmux.send_keys :BSpace
tmux.until { |lines| lines[-1].end_with? '> 3' }
tmux.send_keys 1
tmux.until { |lines| lines[-1].end_with? '> 31' }
tmux.send_keys 'C-p'
tmux.until { |lines| lines[-1].end_with? '> 22' }
tmux.send_keys 'C-n'
tmux.until { |lines| lines[-1].end_with? '> 31' }
tmux.send_keys 0
tmux.until { |lines| lines[-1].end_with? '> 310' }
tmux.send_keys :Enter
readonce
assert_equal %w[22 33 44 310].map { |e| e + $/ }, File.readlines(history_file)
# Respect --bind option
tmux.send_keys "seq 100 | #{fzf opts + ' --bind ctrl-p:next-history,ctrl-n:previous-history'}", :Enter
tmux.until { |lines| lines[-2].include? '100/100' }
tmux.send_keys 'C-n', 'C-n', 'C-n', 'C-n', 'C-p'
tmux.until { |lines| lines[-1].end_with?('33') }
tmux.send_keys :Enter
ensure
File.unlink history_file
end
def test_execute
output = '/tmp/fzf-test-execute'
opts = %[--bind \\"alt-a:execute(echo '[{}]' >> #{output}),alt-b:execute[echo '({}), ({})' >> #{output}],C:execute:echo '({}), [{}], @{}@' >> #{output}\\"]
tmux.send_keys "seq 100 | #{fzf opts}", :Enter
tmux.until { |lines| lines[-2].include? '100/100' }
tmux.send_keys :Escape, :a, :Escape, :a
tmux.send_keys :Up
tmux.send_keys :Escape, :b, :Escape, :b
tmux.send_keys :Up
tmux.send_keys :C
tmux.send_keys 'foobar'
tmux.until { |lines| lines[-2].include? '0/100' }
tmux.send_keys :Escape, :a, :Escape, :b, :Escape, :c
tmux.send_keys :Enter
readonce
assert_equal ['["1"]', '["1"]', '("2"), ("2")', '("2"), ("2")', '("3"), ["3"], @"3"@'],
File.readlines(output).map(&:chomp)
ensure
File.unlink output rescue nil
end
def test_execute_multi
output = '/tmp/fzf-test-execute-multi'
opts = %[--multi --bind \\"alt-a:execute-multi(echo '[{}], @{}@' >> #{output}; sync)\\"]
tmux.send_keys "seq 100 | #{fzf opts}", :Enter
tmux.until { |lines| lines[-2].include? '100/100' }
tmux.send_keys :Escape, :a
tmux.until { |lines| lines[-2].include? '/100' }
tmux.send_keys :BTab, :BTab, :BTab
tmux.send_keys :Escape, :a
tmux.until { |lines| lines[-2].include? '/100' }
tmux.send_keys :Tab, :Tab
tmux.send_keys :Escape, :a
tmux.until { |lines| lines[-2].include? '/100' }
tmux.send_keys :Enter
tmux.prepare
readonce
assert_equal ['["1"], @"1"@', '["1" "2" "3"], @"1" "2" "3"@', '["1" "2" "4"], @"1" "2" "4"@'],
File.readlines(output).map(&:chomp)
ensure
File.unlink output rescue nil
end
def test_execute_shell
# Custom script to use as $SHELL
output = tempname + '.out'
File.unlink output rescue nil
writelines tempname, ['#!/usr/bin/env bash', "echo $1 / $2 > #{output}", "sync"]
system "chmod +x #{tempname}"
tmux.send_keys "echo foo | SHELL=#{tempname} fzf --bind 'enter:execute:{}bar'", :Enter
tmux.until { |lines| lines[-2].include? '1/1' }
tmux.send_keys :Enter
tmux.until { |lines| lines[-2].include? '1/1' }
tmux.send_keys 'C-c'
tmux.prepare
assert_equal ['-c / "foo"bar'], File.readlines(output).map(&:chomp)
ensure
File.unlink output rescue nil
end
def test_cycle
tmux.send_keys "seq 8 | #{fzf :cycle}", :Enter
tmux.until { |lines| lines[-2].include? '8/8' }
tmux.send_keys :Down
tmux.until { |lines| lines[-10].start_with? '>' }
tmux.send_keys :Down
tmux.until { |lines| lines[-9].start_with? '>' }
tmux.send_keys :PgUp
tmux.until { |lines| lines[-10].start_with? '>' }
tmux.send_keys :PgUp
tmux.until { |lines| lines[-3].start_with? '>' }
tmux.send_keys :Up
tmux.until { |lines| lines[-4].start_with? '>' }
tmux.send_keys :PgDn
tmux.until { |lines| lines[-3].start_with? '>' }
tmux.send_keys :PgDn
tmux.until { |lines| lines[-10].start_with? '>' }
end
def test_header_lines
tmux.send_keys "seq 100 | #{fzf '--header-lines=10 -q 5'}", :Enter
2.times do
tmux.until do |lines|
lines[-2].include?('/90') &&
lines[-3] == ' 1' &&
lines[-4] == ' 2' &&
lines[-13] == '> 50'
end
tmux.send_keys :Down
end
tmux.send_keys :Enter
assert_equal '50', readonce.chomp
end
def test_header_lines_reverse
tmux.send_keys "seq 100 | #{fzf '--header-lines=10 -q 5 --reverse'}", :Enter
2.times do
tmux.until do |lines|
lines[1].include?('/90') &&
lines[2] == ' 1' &&
lines[3] == ' 2' &&
lines[12] == '> 50'
end
tmux.send_keys :Up
end
tmux.send_keys :Enter
assert_equal '50', readonce.chomp
end
def test_header_lines_overflow
tmux.send_keys "seq 100 | #{fzf '--header-lines=200'}", :Enter
tmux.until do |lines|
lines[-2].include?('0/0') &&
lines[-3].include?(' 1')
end
tmux.send_keys :Enter
assert_equal '', readonce.chomp
end
def test_header_lines_with_nth
tmux.send_keys "seq 100 | #{fzf "--header-lines 5 --with-nth 1,1,1,1,1"}", :Enter
tmux.until do |lines|
lines[-2].include?('95/95') &&
lines[-3] == ' 11111' &&
lines[-7] == ' 55555' &&
lines[-8] == '> 66666'
end
tmux.send_keys :Enter
assert_equal '6', readonce.chomp
end
def test_header
tmux.send_keys "seq 100 | #{fzf "--header \\\"\\$(head -5 #{FILE})\\\""}", :Enter
header = File.readlines(FILE).take(5).map(&:strip)
tmux.until do |lines|
lines[-2].include?('100/100') &&
lines[-7..-3].map(&:strip) == header
end
end
def test_header_reverse
tmux.send_keys "seq 100 | #{fzf "--header=\\\"\\$(head -5 #{FILE})\\\" --reverse"}", :Enter
header = File.readlines(FILE).take(5).map(&:strip)
tmux.until do |lines|
lines[1].include?('100/100') &&
lines[2..6].map(&:strip) == header
end
end
def test_header_and_header_lines
tmux.send_keys "seq 100 | #{fzf "--header-lines 10 --header \\\"\\$(head -5 #{FILE})\\\""}", :Enter
header = File.readlines(FILE).take(5).map(&:strip)
tmux.until do |lines|
lines[-2].include?('90/90') &&
lines[-7...-2].map(&:strip) == header &&
lines[-17...-7].map(&:strip) == (1..10).map(&:to_s).reverse
end
end
def test_header_and_header_lines_reverse
tmux.send_keys "seq 100 | #{fzf "--reverse --header-lines 10 --header \\\"\\$(head -5 #{FILE})\\\""}", :Enter
header = File.readlines(FILE).take(5).map(&:strip)
tmux.until do |lines|
lines[1].include?('90/90') &&
lines[2...7].map(&:strip) == header &&
lines[7...17].map(&:strip) == (1..10).map(&:to_s)
end
end
def test_canel
tmux.send_keys "seq 10 | #{fzf "--bind 2:cancel"}", :Enter
tmux.until { |lines| lines[-2].include?('10/10') }
tmux.send_keys '123'
tmux.until { |lines| lines[-1] == '> 3' && lines[-2].include?('1/10') }
tmux.send_keys 'C-y', 'C-y'
tmux.until { |lines| lines[-1] == '> 311' }
tmux.send_keys 2
tmux.until { |lines| lines[-1] == '>' }
tmux.send_keys 2
tmux.prepare
end
def test_margin
tmux.send_keys "yes | head -1000 | #{fzf "--margin 5,3"}", :Enter
tmux.until { |lines| lines[4] == '' && lines[5] == ' y' }
tmux.send_keys :Enter
end
def test_margin_reverse
tmux.send_keys "seq 1000 | #{fzf "--margin 7,5 --reverse"}", :Enter
tmux.until { |lines| lines[1 + 7] == ' 1000/1000' }
tmux.send_keys :Enter
end
def test_tabstop
writelines tempname, ["f\too\tba\tr\tbaz\tbarfooq\tux"]
{
1 => '> f oo ba r baz barfooq ux',
2 => '> f oo ba r baz barfooq ux',
3 => '> f oo ba r baz barfooq ux',
4 => '> f oo ba r baz barfooq ux',
5 => '> f oo ba r baz barfooq ux',
6 => '> f oo ba r baz barfooq ux',
7 => '> f oo ba r baz barfooq ux',
8 => '> f oo ba r baz barfooq ux',
9 => '> f oo ba r baz barfooq ux',
}.each do |ts, exp|
tmux.prepare
tmux.send_keys %[cat #{tempname} | fzf --tabstop=#{ts}], :Enter
tmux.until { |lines| exp.start_with? lines[-3].to_s.strip.sub(/\.\.$/, '') }
tmux.send_keys :Enter
end
end
def test_with_nth
writelines tempname, ['hello world ', 'byebye']
assert_equal 'hello world ', `#{FZF} -f"^he hehe" -x -n 2.. --with-nth 2,1,1 < #{tempname}`.chomp
end
def test_with_nth_ansi
writelines tempname, ["\x1b[33mhello \x1b[34;1mworld\x1b[m ", 'byebye']
assert_equal 'hello world ', `#{FZF} -f"^he hehe" -x -n 2.. --with-nth 2,1,1 --ansi < #{tempname}`.chomp
end
def test_with_nth_no_ansi
src = "\x1b[33mhello \x1b[34;1mworld\x1b[m "
writelines tempname, [src, 'byebye']
assert_equal src, `#{FZF} -fhehe -x -n 2.. --with-nth 2,1,1 --no-ansi < #{tempname}`.chomp
end
def test_exit_0_exit_code
`echo foo | #{FZF} -q bar -0`
assert_equal 1, $?.exitstatus
end
def test_invalid_term
lines = `TERM=xxx #{FZF}`
assert_equal 2, $?.exitstatus
assert lines.include?('Invalid $TERM: xxx')
end
def test_invalid_option
lines = `#{FZF} --foobar 2>&1`
assert_equal 2, $?.exitstatus
assert lines.include?('unknown option: --foobar'), lines
end
def test_filter_exitstatus
# filter / streaming filter
["", "--no-sort"].each do |opts|
assert `echo foo | #{FZF} -f foo #{opts}`.include?('foo')
assert_equal 0, $?.exitstatus
assert `echo foo | #{FZF} -f bar #{opts}`.empty?
assert_equal 1, $?.exitstatus
end
end
def test_exitstatus_empty
{ '99' => '0', '999' => '1' }.each do |query, status|
tmux.send_keys "seq 100 | #{FZF} -q #{query}", :Enter
tmux.until { |lines| lines[-2] =~ %r{ [10]/100} }
tmux.send_keys :Enter
tmux.send_keys 'echo --\$?--'
tmux.until { |lines| lines.last.include? "echo --$?--" }
tmux.send_keys :Enter
tmux.until { |lines| lines.last.include? "--#{status}--" }
end
end
def test_default_extended
assert_equal '100', `seq 100 | #{FZF} -f "1 00$"`.chomp
assert_equal '', `seq 100 | #{FZF} -f "1 00$" +x`.chomp
end
def test_exact
assert_equal 4, `seq 123 | #{FZF} -f 13`.lines.length
assert_equal 2, `seq 123 | #{FZF} -f 13 -e`.lines.length
assert_equal 4, `seq 123 | #{FZF} -f 13 +e`.lines.length
end
def test_or_operator
assert_equal %w[1 5 10], `seq 10 | #{FZF} -f "1 | 5"`.lines.map(&:chomp)
assert_equal %w[1 10 2 3 4 5 6 7 8 9],
`seq 10 | #{FZF} -f '1 | !1'`.lines.map(&:chomp)
end
def test_hscroll_off
writelines tempname, ['=' * 10000 + '0123456789']
[0, 3, 6].each do |off|
tmux.prepare
tmux.send_keys "#{FZF} --hscroll-off=#{off} -q 0 < #{tempname}", :Enter
tmux.until { |lines| lines[-3].end_with?((0..off).to_a.join + '..') }
tmux.send_keys '9'
tmux.until { |lines| lines[-3].end_with? '789' }
tmux.send_keys :Enter
end
end
private
def writelines path, lines
File.unlink path while File.exists? path
File.open(path, 'w') { |f| f << lines.join($/) + $/ }
end
end
module TestShell
def setup
super
end
def teardown
@tmux.kill
end
def set_var name, val
tmux.prepare
tmux.send_keys "export #{name}='#{val}'", :Enter
tmux.prepare
end
def test_ctrl_t
tmux.prepare
tmux.send_keys 'C-t', pane: 0
lines = tmux.until(1) { |lines| lines.item_count > 1 }
expected = lines.values_at(-3, -4).map { |line| line[2..-1] }.join(' ')
tmux.send_keys :BTab, :BTab, pane: 1
tmux.until(1) { |lines| lines[-2].include?('(2)') }
tmux.send_keys :Enter, pane: 1
tmux.until(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(0) { |lines| lines.item_count > 1 }
expected = lines.values_at(-3, -4).map { |line| line[2..-1] }.join(' ')
tmux.send_keys :BTab, :BTab, pane: 0
tmux.until(0) { |lines| lines[-2].include?('(2)') }
tmux.send_keys :Enter, pane: 0
tmux.until(0) { |lines| lines[-1].include? expected }
tmux.send_keys 'C-c', 'C-d'
end
def test_ctrl_t_command
set_var "FZF_CTRL_T_COMMAND", "seq 100"
tmux.send_keys 'C-t', pane: 0
lines = tmux.until(1) { |lines| lines.item_count == 100 }
tmux.send_keys :BTab, :BTab, :BTab, pane: 1
tmux.until(1) { |lines| lines[-2].include?('(3)') }
tmux.send_keys :Enter, pane: 1
tmux.until(0) { |lines| lines[-1].include? '1 2 3' }
end
def test_alt_c
tmux.prepare
tmux.send_keys :Escape, :c, pane: 0
lines = tmux.until(1) { |lines| lines.item_count > 0 && lines[-3][2..-1] }
expected = lines[-3][2..-1]
tmux.send_keys :Enter, pane: 1
tmux.prepare
tmux.send_keys :pwd, :Enter
tmux.until { |lines| lines[-1].end_with?(expected) }
end
def test_alt_c_command
set_var 'FZF_ALT_C_COMMAND', 'echo /tmp'
tmux.prepare
tmux.send_keys 'cd /', :Enter
tmux.prepare
tmux.send_keys :Escape, :c, pane: 0
lines = tmux.until(1) { |lines| lines.item_count == 1 }
tmux.send_keys :Enter, pane: 1
tmux.prepare
tmux.send_keys :pwd, :Enter
tmux.until { |lines| lines[-1].end_with? '/tmp' }
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', pane: 0
tmux.until(1) { |lines| lines.item_count > 0 }
tmux.send_keys '3d', pane: 1
tmux.until(1) { |lines| lines[-3].end_with? 'echo 3rd' } # --no-sort
tmux.send_keys :Enter, pane: 1
tmux.until { |lines| lines[-1] == 'echo 3rd' }
tmux.send_keys :Enter
tmux.until { |lines| lines[-1] == '3rd' }
end
end
module CompletionTest
def test_file_completion
FileUtils.mkdir_p '/tmp/fzf-test'
FileUtils.mkdir_p '/tmp/fzf test'
(1..100).each { |i| FileUtils.touch "/tmp/fzf-test/#{i}" }
['no~such~user', '/tmp/fzf test/foobar', '~/.fzf-home'].each do |f|
FileUtils.touch File.expand_path(f)
end
tmux.prepare
tmux.send_keys 'cat /tmp/fzf-test/10**', :Tab, pane: 0
tmux.until(1) { |lines| lines.item_count > 0 }
tmux.send_keys ' !d'
tmux.until(1) { |lines| lines[-2].include?(' 2/') }
tmux.send_keys :BTab, :BTab
tmux.until(1) { |lines| lines[-2].include?('(2)') }
tmux.send_keys :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
# ~USERNAME**<TAB>
tmux.send_keys 'C-u'
tmux.send_keys "cat ~#{ENV['USER']}**", :Tab, pane: 0
tmux.until(1) { |lines| lines.item_count > 0 }
tmux.send_keys '.fzf-home'
tmux.until(1) { |lines| lines[-3].end_with? '.fzf-home' }
tmux.send_keys :Enter
tmux.until do |lines|
tmux.send_keys 'C-L'
lines[-1].end_with?('.fzf-home')
end
# ~INVALID_USERNAME**<TAB>
tmux.send_keys 'C-u'
tmux.send_keys "cat ~such**", :Tab, pane: 0
tmux.until(1) { |lines| lines[-3].end_with? 'no~such~user' }
tmux.send_keys :Enter
tmux.until do |lines|
tmux.send_keys 'C-L'
lines[-1].end_with?('no~such~user')
end
# /tmp/fzf\ test**<TAB>
tmux.send_keys 'C-u'
tmux.send_keys 'cat /tmp/fzf\ test/**', :Tab, pane: 0
tmux.until(1) { |lines| lines.item_count > 0 }
tmux.send_keys 'C-K', :Enter
tmux.until do |lines|
tmux.send_keys 'C-L'
lines[-1].end_with?('/tmp/fzf\ test/foobar')
end
# Should include hidden files
(1..100).each { |i| FileUtils.touch "/tmp/fzf-test/.hidden-#{i}" }
tmux.send_keys 'C-u'
tmux.send_keys 'cat /tmp/fzf-test/hidden**', :Tab, pane: 0
tmux.until(1) do |lines|
tmux.send_keys 'C-L'
lines[-2].include?('100/') &&
lines[-3].include?('/tmp/fzf-test/.hidden-')
end
tmux.send_keys :Enter
ensure
['/tmp/fzf-test', '/tmp/fzf test', '~/.fzf-home', 'no~such~user'].each do |f|
FileUtils.rm_rf File.expand_path(f)
end
end
def test_file_completion_root
tmux.send_keys 'ls /**', :Tab, pane: 0
tmux.until(1) { |lines| lines.item_count > 0 }
tmux.send_keys :Enter
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(1) { |lines| lines.item_count > 0 }
tmux.send_keys :BTab, :BTab # BTab does not work here
tmux.send_keys 55
tmux.until(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 (bash-only)
if self.class == TestBash
tmux.send_keys :Tab
tmux.until { |lines| lines[-1] == 'cd /tmp/fzf-test/d55/xx' }
end
# 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(1) { |lines| lines.item_count > 0 }
tmux.send_keys 'sleep12345'
tmux.until(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
ensure
Process.kill 'KILL', pid.to_i rescue nil if pid
end
def test_custom_completion
tmux.send_keys '_fzf_compgen_path() { echo "\$1"; seq 10; }', :Enter
tmux.prepare
tmux.send_keys 'ls /tmp/**', :Tab, pane: 0
tmux.until(1) { |lines| lines.item_count == 11 }
tmux.send_keys :BTab, :BTab, :BTab
tmux.until(1) { |lines| lines[-2].include? '(3)' }
tmux.send_keys :Enter
tmux.until do |lines|
tmux.send_keys 'C-L'
lines[-1] == "ls /tmp 1 2"
end
end
def test_unset_completion
tmux.send_keys 'export FOO=BAR', :Enter
tmux.prepare
# Using tmux
tmux.send_keys 'unset FOO**', :Tab, pane: 0
tmux.until(1) { |lines| lines[-2].include? ' 1/' }
tmux.send_keys :Enter
tmux.until { |lines| lines[-1] == 'unset FOO' }
tmux.send_keys 'C-c'
# FZF_TMUX=0
new_shell
tmux.send_keys 'unset FOO**', :Tab
tmux.until { |lines| lines[-2].include? ' 1/' }
tmux.send_keys :Enter
tmux.until { |lines| lines[-1] == 'unset FOO' }
end
end
class TestBash < TestBase
include TestShell
include CompletionTest
def new_shell
tmux.prepare
tmux.send_keys "FZF_TMUX=0 #{Shell.bash}", :Enter
tmux.prepare
end
def setup
super
@tmux = Tmux.new :bash
end
end
class TestZsh < TestBase
include TestShell
include CompletionTest
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 set_var name, val
tmux.prepare
tmux.send_keys "set -g #{name} '#{val}'", :Enter
tmux.prepare
end
def setup
super
@tmux = Tmux.new :fish
end
end