# coding: utf-8
require 'minitest'
require 'minitest/autorun'
require 'ttytest'
class FzyTest < Minitest::Test
FZY_PATH = File.expand_path('../../../fzy', __FILE__)
LEFT = "\e[D"
RIGHT = "\e[C"
def test_empty_list
@tty = interactive_fzy(input: %w[], before: "placeholder")
@tty.assert_cursor_position(y: 1, x: 2)
@tty.assert_matches <<~TTY
placeholder
>
TTY
@tty.send_keys('t')
@tty.assert_cursor_position(y: 1, x: 3)
@tty.assert_matches <<~TTY
placeholder
> t
TTY
@tty.send_keys('z')
@tty.assert_cursor_position(y: 1, x: 4)
@tty.assert_matches <<~TTY
placeholder
> tz
TTY
@tty.send_keys("\r")
@tty.assert_cursor_position(y: 2, x: 0)
@tty.assert_matches <<~TTY
placeholder
tz
TTY
end
def test_one_item
@tty = interactive_fzy(input: %w[test], before: "placeholder")
@tty.assert_matches <<~TTY
placeholder
>
test
TTY
@tty.assert_cursor_position(y: 1, x: 2)
@tty.send_keys('t')
@tty.assert_cursor_position(y: 1, x: 3)
@tty.assert_matches <<~TTY
placeholder
> t
test
TTY
@tty.send_keys('z')
@tty.assert_cursor_position(y: 1, x: 4)
@tty.assert_matches <<~TTY
placeholder
> tz
TTY
@tty.send_keys("\r")
@tty.assert_cursor_position(y: 2, x: 0)
@tty.assert_matches <<~TTY
placeholder
tz
TTY
end
def test_two_items
@tty = interactive_fzy(input: %w[test foo], before: "placeholder")
@tty.assert_cursor_position(y: 1, x: 2)
@tty.assert_matches <<~TTY
placeholder
>
test
foo
TTY
@tty.send_keys('t')
@tty.assert_cursor_position(y: 1, x: 3)
@tty.assert_matches <<~TTY
placeholder
> t
test
TTY
@tty.send_keys('z')
@tty.assert_cursor_position(y: 1, x: 4)
@tty.assert_matches <<~TTY
placeholder
> tz
TTY
@tty.send_keys("\r")
@tty.assert_matches <<~TTY
placeholder
tz
TTY
@tty.assert_cursor_position(y: 2, x: 0)
end
def ctrl(key)
((key.upcase.ord) - ('A'.ord) + 1).chr
end
def test_editing
@tty = interactive_fzy(input: %w[test foo], before: "placeholder")
@tty.assert_cursor_position(y: 1, x: 2)
@tty.assert_matches <<~TTY
placeholder
>
test
foo
TTY
@tty.send_keys("foo bar baz")
@tty.assert_cursor_position(y: 1, x: 13)
@tty.assert_matches <<~TTY
placeholder
> foo bar baz
TTY
@tty.send_keys(ctrl('H'))
@tty.assert_cursor_position(y: 1, x: 12)
@tty.assert_matches <<~TTY
placeholder
> foo bar ba
TTY
@tty.send_keys(ctrl('W'))
@tty.assert_cursor_position(y: 1, x: 10)
@tty.assert_matches <<~TTY
placeholder
> foo bar
TTY
@tty.send_keys(ctrl('U'))
@tty.assert_cursor_position(y: 1, x: 2)
@tty.assert_matches <<~TTY
placeholder
>
test
foo
TTY
end
def test_ctrl_d
@tty = interactive_fzy(input: %w[foo bar])
@tty.assert_matches ">\nfoo\nbar"
@tty.send_keys('foo')
@tty.assert_matches "> foo\nfoo"
@tty.send_keys(ctrl('D'))
@tty.assert_matches ''
@tty.assert_cursor_position(y: 0, x: 0)
end
def test_ctrl_c
@tty = interactive_fzy(input: %w[foo bar])
@tty.assert_matches ">\nfoo\nbar"
@tty.send_keys('foo')
@tty.assert_matches "> foo\nfoo"
@tty.send_keys(ctrl('C'))
@tty.assert_matches ''
@tty.assert_cursor_position(y: 0, x: 0)
end
def test_down_arrow
@tty = interactive_fzy(input: %w[foo bar])
@tty.assert_matches ">\nfoo\nbar"
@tty.send_keys("\e[A\r")
@tty.assert_matches "bar"
@tty = interactive_fzy(input: %w[foo bar])
@tty.assert_matches ">\nfoo\nbar"
@tty.send_keys("\eOA\r")
@tty.assert_matches "bar"
end
def test_up_arrow
@tty = interactive_fzy(input: %w[foo bar])
@tty.assert_matches ">\nfoo\nbar"
@tty.send_keys("\e[A") # first down
@tty.send_keys("\e[B\r") # and back up
@tty.assert_matches "foo"
@tty = interactive_fzy(input: %w[foo bar])
@tty.assert_matches ">\nfoo\nbar"
@tty.send_keys("\eOA") # first down
@tty.send_keys("\e[B\r") # and back up
@tty.assert_matches "foo"
end
def test_lines
input10 = (1..10).map(&:to_s)
input20 = (1..20).map(&:to_s)
@tty = interactive_fzy(input: input10)
@tty.assert_matches ">\n1\n2\n3\n4\n5\n6\n7\n8\n9\n10"
@tty = interactive_fzy(input: input20)
@tty.assert_matches ">\n1\n2\n3\n4\n5\n6\n7\n8\n9\n10"
@tty = interactive_fzy(input: input10, args: "-l 5")
@tty.assert_matches ">\n1\n2\n3\n4\n5"
@tty = interactive_fzy(input: input10, args: "--lines=5")
@tty.assert_matches ">\n1\n2\n3\n4\n5"
end
def test_prompt
@tty = interactive_fzy
@tty.send_keys("foo")
@tty.assert_matches '> foo'
@tty = interactive_fzy(args: "-p 'C:\\'")
@tty.send_keys("foo")
@tty.assert_matches 'C:\foo'
@tty = interactive_fzy(args: "--prompt=\"foo bar \"")
@tty.send_keys("baz")
@tty.assert_matches "foo bar baz"
end
def test_show_scores
expected_score = '( inf)'
@tty = interactive_fzy(input: %w[foo bar], args: "-s")
@tty.send_keys('foo')
@tty.assert_matches "> foo\n#{expected_score} foo"
@tty = interactive_fzy(input: %w[foo bar], args: "--show-scores")
@tty.send_keys('foo')
@tty.assert_matches "> foo\n#{expected_score} foo"
expected_score = '( 0.89)'
@tty = interactive_fzy(input: %w[foo bar], args: "-s")
@tty.send_keys('f')
@tty.assert_matches "> f\n#{expected_score} foo"
end
def test_large_input
@tty = TTYtest.new_terminal(%{seq 100000 | #{FZY_PATH} -l 3})
@tty.send_keys('34')
@tty.assert_matches "> 34\n34\n340\n341"
@tty.send_keys('5')
@tty.assert_matches "> 345\n345\n3450\n3451"
@tty.send_keys('z')
@tty.assert_matches "> 345z"
end
def test_worker_count
@tty = interactive_fzy(input: %w[foo bar], args: "-j1")
@tty.send_keys('foo')
@tty.assert_matches "> foo\nfoo"
@tty = TTYtest.new_terminal(%{seq 100000 | #{FZY_PATH} -j1 -l3})
@tty.send_keys('34')
@tty.assert_matches "> 34\n34\n340\n341"
@tty = TTYtest.new_terminal(%{seq 100000 | #{FZY_PATH} -j200 -l3})
@tty.send_keys('34')
@tty.assert_matches "> 34\n34\n340\n341"
end
def test_initial_query
@tty = interactive_fzy(input: %w[foo bar], args: "-q fo")
@tty.assert_matches "> fo\nfoo"
@tty.send_keys("o")
@tty.assert_matches "> foo\nfoo"
@tty.send_keys("o")
@tty.assert_matches "> fooo"
@tty = interactive_fzy(input: %w[foo bar], args: "-q asdf")
@tty.assert_matches "> asdf"
end
def test_non_interactive
@tty = interactive_fzy(input: %w[foo bar], args: "-e foo", before: "before", after: "after")
@tty.assert_matches "before\nfoo\nafter"
end
def test_moving_text_cursor
@tty = interactive_fzy(input: %w[foo bar])
@tty.send_keys("br")
@tty.assert_matches "> br\nbar"
@tty.assert_cursor_position(y: 0, x: 4)
@tty.send_keys(LEFT)
@tty.assert_cursor_position(y: 0, x: 3)
@tty.assert_matches "> br\nbar"
@tty.send_keys("a")
@tty.assert_cursor_position(y: 0, x: 4)
@tty.assert_matches "> bar\nbar"
@tty.send_keys(ctrl("A")) # Ctrl-A
@tty.assert_cursor_position(y: 0, x: 2)
@tty.assert_matches "> bar\nbar"
@tty.send_keys("foo")
@tty.assert_cursor_position(y: 0, x: 5)
@tty.assert_matches "> foobar"
@tty.send_keys(ctrl("E")) # Ctrl-E
@tty.assert_cursor_position(y: 0, x: 8)
@tty.assert_matches "> foobar"
@tty.send_keys("baz") # Ctrl-E
@tty.assert_cursor_position(y: 0, x: 11)
@tty.assert_matches "> foobarbaz"
end
# More info;
# https://github.com/jhawthorn/fzy/issues/42
# https://cirw.in/blog/bracketed-paste
def test_bracketed_paste_characters
@tty = interactive_fzy(input: %w[foo bar])
@tty.assert_matches ">\nfoo\nbar"
@tty.send_keys("\e[200~foo\e[201~")
@tty.assert_matches "> foo\nfoo"
end
# https://github.com/jhawthorn/fzy/issues/81
def test_slow_stdin_fast_user
@tty = TTYtest.new_terminal(%{(sleep 0.5; echo aa; echo bc; echo bd) | #{FZY_PATH}})
# Before input has all come in, but wait for fzy to at least start
sleep 0.1
@tty.send_keys("b\r")
@tty.assert_matches "bc"
end
def test_unicode
@tty = interactive_fzy(input: %w[English Français 日本語])
@tty.assert_matches <<~TTY
>
English
Français
日本語
TTY
@tty.assert_cursor_position(y: 0, x: 2)
@tty.send_keys("ç")
@tty.assert_matches <<~TTY
> ç
Français
TTY
@tty.assert_cursor_position(y: 0, x: 3)
@tty.send_keys("\r")
@tty.assert_matches "Français"
end
def test_unicode_backspace
@tty = interactive_fzy
@tty.send_keys "Français"
@tty.assert_matches "> Français"
@tty.assert_cursor_position(y: 0, x: 10)
@tty.send_keys(ctrl('H') * 3)
@tty.assert_matches "> Franç"
@tty.assert_cursor_position(y: 0, x: 7)
@tty.send_keys(ctrl('H'))
@tty.assert_matches "> Fran"
@tty.assert_cursor_position(y: 0, x: 6)
@tty.send_keys('ce')
@tty.assert_matches "> France"
@tty = interactive_fzy
@tty.send_keys "日本語"
@tty.assert_matches "> 日本語"
@tty.send_keys(ctrl('H'))
@tty.assert_matches "> 日本"
@tty.send_keys(ctrl('H'))
@tty.assert_matches "> 日"
@tty.send_keys(ctrl('H'))
@tty.assert_matches "> "
@tty.assert_cursor_position(y: 0, x: 2)
end
def test_unicode_delete_word
@tty = interactive_fzy
@tty.send_keys "Je parle Français"
@tty.assert_matches "> Je parle Français"
@tty.assert_cursor_position(y: 0, x: 19)
@tty.send_keys(ctrl('W'))
@tty.assert_matches "> Je parle"
@tty.assert_cursor_position(y: 0, x: 11)
@tty = interactive_fzy
@tty.send_keys "日本語"
@tty.assert_matches "> 日本語"
@tty.send_keys(ctrl('W'))
@tty.assert_matches "> "
@tty.assert_cursor_position(y: 0, x: 2)
end
def test_unicode_cursor_movement
@tty = interactive_fzy
@tty.send_keys "Français"
@tty.assert_cursor_position(y: 0, x: 10)
@tty.send_keys(LEFT*5)
@tty.assert_cursor_position(y: 0, x: 5)
@tty.send_keys(RIGHT*3)
@tty.assert_cursor_position(y: 0, x: 8)
@tty = interactive_fzy
@tty.send_keys "日本語"
@tty.assert_matches "> 日本語"
@tty.assert_cursor_position(y: 0, x: 8)
@tty.send_keys(LEFT)
@tty.assert_cursor_position(y: 0, x: 6)
@tty.send_keys(LEFT)
@tty.assert_cursor_position(y: 0, x: 4)
@tty.send_keys(LEFT)
@tty.assert_cursor_position(y: 0, x: 2)
@tty.send_keys(LEFT)
@tty.assert_cursor_position(y: 0, x: 2)
@tty.send_keys(RIGHT*3)
@tty.assert_cursor_position(y: 0, x: 8)
@tty.send_keys(RIGHT)
@tty.assert_cursor_position(y: 0, x: 8)
end
def test_long_strings
ascii = "LongStringOfText" * 6
unicode = "ＬｏｎｇＳｔｒｉｎｇＯｆＴｅｘｔ" * 3
@tty = interactive_fzy(input: [ascii, unicode])
@tty.assert_matches <<~TTY
>
LongStringOfTextLongStringOfTextLongStringOfTextLongStringOfTextLongStringOfText
ＬｏｎｇＳｔｒｉｎｇＯｆＴｅｘｔＬｏｎｇＳｔｒｉｎｇＯｆＴｅｘｔＬｏｎｇＳｔｒｉ
TTY
end
def test_show_info
@tty = interactive_fzy(input: %w[foo bar baz], args: "-i")
@tty.assert_matches ">\n[3/3]\nfoo\nbar\nbaz"
@tty.send_keys("ba")
@tty.assert_matches "> ba\n[2/3]\nbar\nbaz"
@tty.send_keys("q")
@tty.assert_matches "> baq\n[0/3]"
end
def test_help
@tty = TTYtest.new_terminal(%{#{FZY_PATH} --help})
@tty.assert_matches <<TTY
Usage: fzy [OPTION]...
-l, --lines=LINES Specify how many lines of results to show (default 10)
-p, --prompt=PROMPT Input prompt (default '> ')
-q, --query=QUERY Use QUERY as the initial search string
-e, --show-matches=QUERY Output the sorted matches of QUERY
-t, --tty=TTY Specify file to use as TTY device (default /dev/tty)
-s, --show-scores Show the scores of each match
-0, --read-null Read input delimited by ASCII NUL characters
-j, --workers NUM Use NUM workers for searching. (default is # of CPUs)
-i, --show-info Show selection info line
-h, --help Display this help and exit
-v, --version Output version information and exit
TTY
end
private
def interactive_fzy(input: [], before: nil, after: nil, args: "")
cmd = []
cmd << %{echo "#{before}"} if before
cmd << %{printf "#{input.join("\\n")}" | #{FZY_PATH} #{args}}
cmd << %{echo "#{after}"} if after
cmd = cmd.join("; ")
TTYtest.new_terminal(cmd)
end
end
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