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comparison .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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466:f248cf012d9a 467:e1ce8897030d
1 require 'securerandom'
2
3 class TerminalSession
4 ZSH_BIN = ENV['TEST_ZSH_BIN'] || 'zsh'
5
6 def initialize(opts = {})
7 opts = {
8 width: 80,
9 height: 24,
10 prompt: '',
11 term: 'xterm-256color',
12 zsh_bin: ZSH_BIN
13 }.merge(opts)
14
15 @opts = opts
16
17 cmd="PS1=\"#{opts[:prompt]}\" TERM=#{opts[:term]} #{ZSH_BIN} -f"
18 tmux_command("new-session -d -x #{opts[:width]} -y #{opts[:height]} '#{cmd}'")
19 end
20
21 def zsh_version
22 @zsh_version ||= Gem::Version.new(`#{ZSH_BIN} -c 'echo -n $ZSH_VERSION'`)
23 end
24
25 def tmux_socket_name
26 @tmux_socket_name ||= SecureRandom.hex(6)
27 end
28
29 def run_command(command)
30 send_string(command)
31 send_keys('enter')
32
33 self
34 end
35
36 def send_string(str)
37 tmux_command("send-keys -t 0 -l -- '#{str.gsub("'", "\\'")}'")
38
39 self
40 end
41
42 def send_keys(*keys)
43 tmux_command("send-keys -t 0 #{keys.join(' ')}")
44
45 self
46 end
47
48 def paste_string(str)
49 tmux_command("set-buffer -- '#{str}'")
50 tmux_command("paste-buffer -dpr -t 0")
51
52 self
53 end
54
55 def content(esc_seqs: false)
56 cmd = 'capture-pane -p -t 0'
57 cmd += ' -e' if esc_seqs
58 tmux_command(cmd).strip
59 end
60
61 def clear_screen
62 send_keys('C-l')
63
64 i = 0
65 until content == opts[:prompt] || i > 20 do
66 sleep(0.1)
67 i = i + 1
68 end
69
70 self
71 end
72
73 def destroy
74 tmux_command('kill-session')
75 end
76
77 def cursor
78 tmux_command("display-message -t 0 -p '\#{cursor_x},\#{cursor_y}'").
79 strip.
80 split(',').
81 map(&:to_i)
82 end
83
84 def attach!
85 tmux_command('attach-session')
86 end
87
88 private
89
90 attr_reader :opts
91
92 def tmux_command(cmd)
93 out = `tmux -u -L #{tmux_socket_name} #{cmd}`
94
95 raise("tmux error running: '#{cmd}'") unless $?.success?
96
97 out
98 end
99 end