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Add support for search history

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- Add `--history` option (e.g. fzf --history ~/.fzf.history)
- Add `--history-max` option for limiting the size of the file (default 1000)
- Add `previous-history` and `next-history` actions for `--bind`
    - CTRL-P and CTRL-N are automatically remapped to these actions when
      `--history` is used

Closes #249, #251
This commit is contained in:
Junegunn Choi
2015-06-14 00:43:44 +09:00
parent 2e84b1db64
commit 3b52811796
6 changed files with 163 additions and 11 deletions
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46
test/test_go.rb
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@@ -566,6 +566,52 @@ class TestGoFZF < TestBase
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-max=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
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
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
private
def writelines path, lines
File.unlink path while File.exists? path