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annotate .zfun/zsh-autosuggestions/spec/terminal_session.rb @ 467:e1ce8897030d

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zsh: import df6f6f9ff41 of zsh-autosuggestions
author Augie Fackler <raf@durin42.com>
date Mon, 03 Dec 2018 22:37:29 -0500
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e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
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1 require 'securerandom'
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2
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3 class TerminalSession
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4 ZSH_BIN = ENV['TEST_ZSH_BIN'] || 'zsh'
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5
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6 def initialize(opts = {})
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7 opts = {
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8 width: 80,
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9 height: 24,
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10 prompt: '',
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11 term: 'xterm-256color',
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12 zsh_bin: ZSH_BIN
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13 }.merge(opts)
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14
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15 @opts = opts
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16
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17 cmd="PS1=\"#{opts[:prompt]}\" TERM=#{opts[:term]} #{ZSH_BIN} -f"
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18 tmux_command("new-session -d -x #{opts[:width]} -y #{opts[:height]} '#{cmd}'")
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19 end
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20
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21 def zsh_version
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22 @zsh_version ||= Gem::Version.new(`#{ZSH_BIN} -c 'echo -n $ZSH_VERSION'`)
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23 end
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24
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25 def tmux_socket_name
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26 @tmux_socket_name ||= SecureRandom.hex(6)
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27 end
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28
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29 def run_command(command)
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30 send_string(command)
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31 send_keys('enter')
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32
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33 self
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34 end
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35
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36 def send_string(str)
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37 tmux_command("send-keys -t 0 -l -- '#{str.gsub("'", "\\'")}'")
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38
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39 self
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40 end
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41
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42 def send_keys(*keys)
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43 tmux_command("send-keys -t 0 #{keys.join(' ')}")
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44
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45 self
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46 end
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47
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48 def paste_string(str)
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49 tmux_command("set-buffer -- '#{str}'")
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50 tmux_command("paste-buffer -dpr -t 0")
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51
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52 self
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53 end
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54
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55 def content(esc_seqs: false)
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56 cmd = 'capture-pane -p -t 0'
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57 cmd += ' -e' if esc_seqs
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58 tmux_command(cmd).strip
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59 end
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60
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61 def clear_screen
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62 send_keys('C-l')
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63
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64 i = 0
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65 until content == opts[:prompt] || i > 20 do
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66 sleep(0.1)
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67 i = i + 1
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68 end
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69
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70 self
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71 end
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72
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73 def destroy
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74 tmux_command('kill-session')
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75 end
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76
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77 def cursor
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78 tmux_command("display-message -t 0 -p '\#{cursor_x},\#{cursor_y}'").
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79 strip.
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80 split(',').
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81 map(&:to_i)
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82 end
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83
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84 def attach!
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85 tmux_command('attach-session')
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86 end
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87
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88 private
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89
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90 attr_reader :opts
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91
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92 def tmux_command(cmd)
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93 out = `tmux -u -L #{tmux_socket_name} #{cmd}`
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94
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95 raise("tmux error running: '#{cmd}'") unless $?.success?
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96
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97 out
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98 end
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99 end