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#!/usr/bin/env ruby
# encoding: utf-8
require 'minitest/autorun'
class Tmux
TEMPNAME = '/tmp/fzf-test.txt'
attr_reader :win
def initialize shell = 'bash'
@win = go("new-window -P -F '#I' 'bash --rcfile ~/.fzf.#{shell}'").first
end
def self.current
`tmux display-message -p '#I'`.split($/).first
end
def self.select id
system "tmux select-window -t #{id}"
end
def closed?
!go("list-window -F '#I'").include?(win)
end
def close timeout = 1
send_keys 'C-c', 'C-u', 'C-d'
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 $?.exitstatus != 0
File.read(TEMPNAME).split($/)
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
raise "timeout" if waited > timeout
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
def setup
ENV.delete 'FZF_DEFAULT_OPTS'
ENV.delete 'FZF_DEFAULT_COMMAND'
@prev = Tmux.current
@tmux = Tmux.new
File.unlink tempname rescue nil
end
def teardown
@tmux.kill
Tmux.select @prev
end
def test_vanilla
tmux.send_keys "seq 1 100000 | fzf > #{tempname}", :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.last == '> 391' }
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', File.read(tempname).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', File.read(tempname).chomp
end
def test_fzf_prompt
tmux.send_keys "fzf -q 'foo bar foo-bar'", :Enter
tmux.until { |lines| lines.last =~ /foo-bar/ }
# 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
end
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