fzf/test/test_go.rb

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#!/usr/bin/env ruby
# encoding: utf-8
require 'minitest/autorun'
class NilClass
def include? str
false
end
end
class Tmux
TEMPNAME = '/tmp/fzf-test.txt'
attr_reader :win
def initialize shell = 'bash'
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@win = go("new-window -d -P -F '#I' 'PS1= bash --rcfile ~/.fzf.#{shell}'").first
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@lines = `tput lines`.chomp.to_i
end
def closed?
!go("list-window -F '#I'").include?(win)
end
def close timeout = 1
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send_keys 'C-c', 'C-u', 'exit', :Enter
wait(timeout) { closed? }
end
def kill
go("kill-window -t #{win} 2> /dev/null")
end
def send_keys *args
args = args.map { |a| %{"#{a}"} }.join ' '
go("send-keys -t #{win} #{args}")
end
def capture
go("capture-pane -t #{win} \\; save-buffer #{TEMPNAME}")
raise "Window not found" if $?.exitstatus != 0
File.read(TEMPNAME).split($/)[0, @lines].reverse.drop_while(&:empty?).reverse
end
def until timeout = 1
wait(timeout) { yield capture }
end
private
def wait timeout = 1
waited = 0
until yield
waited += 0.1
sleep 0.1
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if waited > timeout
hl = '=' * 10
puts hl
capture.each_with_index do |line, idx|
puts [idx.to_s.rjust(2), line].join(': ')
end
puts hl
raise "timeout"
end
end
end
def go *args
%x[tmux #{args.join ' '}].split($/)
end
end
class TestGoFZF < MiniTest::Unit::TestCase
attr_reader :tmux
def tempname
'/tmp/output'
end
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def rmtemp
while File.exists? tempname
File.unlink tempname rescue nil
end
end
def readtemp
waited = 0
while waited < 5
begin
return File.read(tempname)
rescue
sleep 0.1
waited += 0.1
end
end
raise "failed to read tempfile"
end
def setup
ENV.delete 'FZF_DEFAULT_OPTS'
ENV.delete 'FZF_DEFAULT_COMMAND'
@tmux = Tmux.new
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rmtemp
end
def teardown
@tmux.kill
end
def test_vanilla
tmux.send_keys "seq 1 100000 | fzf > #{tempname}", :Enter
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tmux.until(10) { |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'
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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', readtemp.chomp
end
def test_fzf_default_command
tmux.send_keys "FZF_DEFAULT_COMMAND='echo hello' fzf > #{tempname}", :Enter
tmux.until { |lines| lines.last =~ /^>/ }
tmux.send_keys :Enter
tmux.close
assert_equal 'hello', readtemp.chomp
end
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def test_key_bindings
tmux.send_keys "fzf -q 'foo bar foo-bar'", :Enter
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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
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def test_multi_order
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tmux.send_keys "seq 1 10 | fzf --multi > #{tempname} && echo -n done", :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"
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tmux.until { |lines| lines[-1].include?('done') }
assert_equal %w[3 2 5 6 8 7], readtemp.split($/)
tmux.close
end
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def test_with_nth
[true, false].each do |multi|
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rmtemp
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tmux.send_keys "(echo ' 1st 2nd 3rd/';
echo ' first second third/') |
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fzf #{"--multi" if multi} -x --nth 2 --with-nth 2,-1,1 > #{tempname} && echo -n done",
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:Enter
tmux.until { |lines| lines[-2].include?('2/2') }
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# 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
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tmux.until { |lines| lines[-1].include?('done') }
assert_equal [' 1st 2nd 3rd/', ' first second third/'], readtemp.split($/)
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else
tmux.send_keys '^', '3'
tmux.until { |lines| lines[-2].include?('1/2') }
tmux.send_keys :Enter
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tmux.until { |lines| lines[-1].include?('done') }
assert_equal [' 1st 2nd 3rd/'], readtemp.split($/)
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end
end
end
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def test_scroll
[true, false].each do |rev|
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rmtemp
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tmux.send_keys "seq 1 100 | fzf #{'--reverse' if rev} > #{tempname} && echo -n done", :Enter
tmux.until { |lines| rev ? lines.first == '>' : lines.last == '>' }
tmux.send_keys *110.times.map { rev ? :Down : :Up }
tmux.until { |lines| lines.include? '> 100' }
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tmux.send_keys :Enter
tmux.until { |lines| lines[-1].include?('done') }
assert_equal '100', readtemp.chomp
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end
end
def test_select_1
tmux.send_keys "seq 1 100 | fzf --with-nth ..,.. --print-query -q 5555 -1 > #{tempname} && echo -n done", :Enter
tmux.until { |lines| lines[-1].include?('done') }
assert_equal ['5555', '55'], readtemp.split($/)
end
def test_exit_0
tmux.send_keys "seq 1 100 | fzf --with-nth ..,.. --print-query -q 555555 -0 > #{tempname} && echo -n done", :Enter
tmux.until { |lines| lines[-1].include?('done') }
assert_equal ['555555'], readtemp.split($/)
end
end