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dd7a081b93eb641f524fe328d74acee65f1d88a5
fzf/test/test_layout.rb
Junegunn Choi dd7a081b93 Let inline sections take precedence over --header-first 
--header-first previously was rejected with --header-border=inline or
--header-lines-border=inline. Now, inline placement wins: an inline
section stays inside the list frame, and --header-first only affects
non-inline sections (mainly the main --header).
2026-04-20 00:47:16 +09:00

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# frozen_string_literal: true
require_relative 'lib/common'
# Test cases that mainly use assert_block to verify the layout of fzf
class TestLayout < TestInteractive
def assert_block(expected, lines)
cols = expected.lines.map { it.chomp.length }.max
top = lines.take(expected.lines.length).map { it[0, cols].rstrip + "\n" }.join.chomp
bottom = lines.reverse.take(expected.lines.length).reverse.map { it[0, cols].rstrip + "\n" }.join.chomp
assert_includes [top, bottom], expected.chomp
end
def test_vanilla
tmux.send_keys "seq 1 100000 | #{fzf}", :Enter
block = <<~BLOCK
2
> 1
100000/100000
>
BLOCK
tmux.until { assert_block(block, it) }
# 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'
block = <<~BLOCK
> 3910
391
856/100000
> 391
BLOCK
tmux.until { assert_block(block, it) }
tmux.send_keys :Enter
assert_equal '3910', fzf_output
end
def test_header_first
tmux.send_keys "seq 1000 | #{FZF} --header foobar --header-lines 3 --header-first", :Enter
block = <<~OUTPUT
> 4
3
2
1
997/997
>
foobar
OUTPUT
tmux.until { assert_block(block, it) }
end
def test_header_first_reverse
tmux.send_keys "seq 1000 | #{FZF} --header foobar --header-lines 3 --header-first --reverse --inline-info", :Enter
block = <<~OUTPUT
foobar
> < 997/997
1
2
3
> 4
OUTPUT
tmux.until { assert_block(block, it) }
end
def test_change_and_transform_header
[
'space:change-header:$(seq 4)',
'space:transform-header:seq 4'
].each_with_index do |binding, i|
tmux.send_keys %(seq 3 | #{FZF} --header-lines 2 --header bar --bind "#{binding}"), :Enter
expected = <<~OUTPUT
> 3
2
1
bar
1/1
>
OUTPUT
tmux.until { assert_block(expected, it) }
tmux.send_keys :Space
expected = <<~OUTPUT
> 3
2
1
1
2
3
4
1/1
>
OUTPUT
tmux.until { assert_block(expected, it) }
next unless i.zero?
teardown
setup
end
end
def test_change_header
tmux.send_keys %(seq 3 | #{FZF} --header-lines 2 --header bar --bind "space:change-header:$(seq 4)"), :Enter
expected = <<~OUTPUT
> 3
2
1
bar
1/1
>
OUTPUT
tmux.until { assert_block(expected, it) }
tmux.send_keys :Space
expected = <<~OUTPUT
> 3
2
1
1
2
3
4
1/1
>
OUTPUT
tmux.until { assert_block(expected, it) }
end
def test_reload_and_change_cache
tmux.send_keys "echo bar | #{FZF} --bind 'zero:change-header(foo)+reload(echo foo)+clear-query'", :Enter
expected = <<~OUTPUT
> bar
1/1
>
OUTPUT
tmux.until { assert_block(expected, it) }
tmux.send_keys :z
expected = <<~OUTPUT
> foo
foo
1/1
>
OUTPUT
tmux.until { assert_block(expected, it) }
end
def test_toggle_header
tmux.send_keys "seq 4 | #{FZF} --header-lines 2 --header foo --bind space:toggle-header --header-first --height 10 --border rounded", :Enter
before = <<~OUTPUT
╭───────
│
│ 4
│ > 3
│ 2
│ 1
│ 2/2
│ >
│ foo
╰───────
OUTPUT
tmux.until { assert_block(before, it) }
tmux.send_keys :Space
after = <<~OUTPUT
╭───────
│
│
│
│
│ 4
│ > 3
│ 2/2
│ >
╰───────
OUTPUT
tmux.until { assert_block(after, it) }
tmux.send_keys :Space
tmux.until { assert_block(before, it) }
end
def test_height_range_fit
tmux.send_keys 'seq 3 | fzf --height ~100% --info=inline --border rounded', :Enter
expected = <<~OUTPUT
╭──────────
│ ▌ 3
│ ▌ 2
│ > 1
│ > < 3/3
╰──────────
OUTPUT
tmux.until { assert_block(expected, it) }
end
def test_height_range_fit_preview_above
tmux.send_keys 'seq 3 | fzf --height ~100% --info=inline --border rounded --preview-window border-rounded --preview "seq {}" --preview-window up,60%', :Enter
expected = <<~OUTPUT
╭──────────
│ ╭────────
│ │ 1
│ │
│ │
│ │
│ ╰────────
│ ▌ 3
│ ▌ 2
│ > 1
│ > < 3/3
╰──────────
OUTPUT
tmux.until { assert_block(expected, it) }
end
def test_height_range_fit_preview_above_alternative
tmux.send_keys 'seq 3 | fzf --height ~100% --border=sharp --preview "seq {}" --preview-window up,40%,border-bottom --padding 1 --exit-0 --header hello --header-lines=2', :Enter
expected = <<~OUTPUT
┌─────────
│
│ 1
│ 2
│ 3
│ ───────
│ > 3
│ 2
│ 1
│ hello
│ 1/1 ─
│ >
│
└─────────
OUTPUT
tmux.until { assert_block(expected, it) }
end
def test_height_range_fit_preview_left
tmux.send_keys "seq 3 | fzf --height ~100% --border=vertical --preview 'seq {}' --preview-window left,5,border-right --padding 1 --exit-0 --header $'hello\\nworld' --header-lines=2", :Enter
expected = <<~OUTPUT
│
│ 1 │ > 3
│ 2 │ 2
│ 3 │ 1
│ │ hello
│ │ world
│ │ 1/1 ─
│ │ >
│
OUTPUT
tmux.until { assert_block(expected, it) }
end
def test_height_range_overflow
tmux.send_keys 'seq 100 | fzf --height ~5 --info=inline --border rounded', :Enter
expected = <<~OUTPUT
╭──────────────
│ ▌ 2
│ > 1
│ > < 100/100
╰──────────────
OUTPUT
tmux.until { assert_block(expected, it) }
end
def test_no_extra_newline_issue_3209
tmux.send_keys(%(seq 100 | #{FZF} --height 10 --preview-window up,wrap,border-rounded --preview 'printf "─%.0s" $(seq 1 "$((FZF_PREVIEW_COLUMNS - 5))"); printf $"\\e[7m%s\\e[0m" title; echo; echo something'), :Enter)
expected = <<~OUTPUT
╭──────────
│ ─────────
│ something
│
╰──────────
3
2
> 1
100/100 ─
>
OUTPUT
tmux.until { assert_block(expected, it) }
end
def test_fzf_multi_line
tmux.send_keys %[(echo -en '0\\0'; echo -en '1\\n2\\0'; seq 1000) | fzf --read0 --multi --bind load:select-all --border rounded], :Enter
block = <<~BLOCK
│ ▌┃998
│ ▌┃999
│ ▌┃1000
│ ▌╹
│ ▌╻1
│ ▌╹2
│ >>0
│ 3/3 (3)
│ >
╰───────────
BLOCK
tmux.until { assert_block(block, it) }
tmux.send_keys :Up, :Up
block = <<~BLOCK
╭───────
│ >╻1
│ >┃2
│ >┃3
BLOCK
tmux.until { assert_block(block, it) }
block = <<~BLOCK
│ >┃
│
│ >
╰───
BLOCK
tmux.until { assert_block(block, it) }
end
def test_fzf_multi_line_reverse
tmux.send_keys %[(echo -en '0\\0'; echo -en '1\\n2\\0'; seq 1000) | fzf --read0 --multi --bind load:select-all --border rounded --reverse], :Enter
block = <<~BLOCK
╭───────────
│ >
│ 3/3 (3)
│ >>0
│ ▌╻1
│ ▌╹2
│ ▌╻1
│ ▌┃2
│ ▌┃3
BLOCK
tmux.until { assert_block(block, it) }
end
def test_fzf_multi_line_no_pointer_and_marker
tmux.send_keys %[(echo -en '0\\0'; echo -en '1\\n2\\0'; seq 1000) | fzf --read0 --multi --bind load:select-all --border rounded --reverse --pointer '' --marker '' --marker-multi-line ''], :Enter
block = <<~BLOCK
╭───────────
│ >
│ 3/3 (3)
│ 0
│ 1
│ 2
│ 1
│ 2
│ 3
BLOCK
tmux.until { assert_block(block, it) }
end
def test_gap
tmux.send_keys %(seq 100 | #{FZF} --gap --border rounded --reverse), :Enter
block = <<~BLOCK
╭─────────────────
│ >
│ 100/100 ──────
│ > 1
│ ┈┈┈┈┈┈┈┈┈┈┈┈┈┈
│ 2
│ ┈┈┈┈┈┈┈┈┈┈┈┈┈┈
│ 3
│ ┈┈┈┈┈┈┈┈┈┈┈┈┈┈
│ 4
BLOCK
tmux.until { assert_block(block, it) }
end
def test_gap_2
tmux.send_keys %(seq 100 | #{FZF} --gap=2 --gap-line xyz --border rounded --reverse), :Enter
block = <<~BLOCK
╭─────────────────
│ >
│ 100/100 ──────
│ > 1
│
│ xyzxyzxyzxyzxy
│ 2
│
│ xyzxyzxyzxyzxy
│ 3
BLOCK
tmux.until { assert_block(block, it) }
end
def test_list_border_and_label
tmux.send_keys %(seq 100 | #{FZF} --border rounded --list-border double --list-label list --list-label-pos 2:bottom --header-lines 3 --query 1 --padding 1,2), :Enter
block = <<~BLOCK
│ ║ 11
│ ║ > 10
│ ║ 3
│ ║ 2
│ ║ 1
│ ║ 19/97 ─
│ ║ > 1
│ ╚list══════
│
╰──────────────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_input_border_and_label
tmux.send_keys %(seq 100 | #{FZF} --border rounded --input-border bold --input-label input --input-label-pos 2 --header-lines 3 --query 1 --padding 1,2), :Enter
block = <<~BLOCK
│ 11
│ > 10
│ 3
│ 2
│ 1
│ ┏input━━━━━
│ ┃ 19/97
│ ┃ > 1
│ ┗━━━━━━━━━━
│
╰──────────────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_input_border_and_label_header_first
tmux.send_keys %(seq 100 | #{FZF} --border rounded --input-border bold --input-label input --input-label-pos 2 --header-lines 3 --query 1 --padding 1,2 --header-first), :Enter
block = <<~BLOCK
│ 11
│ > 10
│ ┏input━━━━━
│ ┃ 19/97
│ ┃ > 1
│ ┗━━━━━━━━━━
│ 3
│ 2
│ 1
│
╰──────────────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_list_input_border_and_label
tmux.send_keys %(
seq 100 | #{FZF} --border rounded --list-border double --input-border bold --list-label-pos 2:bottom --input-label-pos 2 --header-lines 3 --query 1 --padding 1,2 \
--bind 'start:transform-input-label(echo INPUT)+transform-list-label(echo LIST)' \
--bind 'space:change-input-label( input )+change-list-label( list )'
).strip, :Enter
block = <<~BLOCK
│ ║ 11
│ ║ > 10
│ ╚LIST══════
│ 3
│ 2
│ 1
│ ┏INPUT━━━━━
│ ┃ 19/97
│ ┃ > 1
│ ┗━━━━━━━━━━
│
╰──────────────
BLOCK
tmux.until { assert_block(block, it) }
tmux.send_keys :Space
block = <<~BLOCK
│ ║ 11
│ ║ > 10
│ ╚ list ════
│ 3
│ 2
│ 1
│ ┏ input ━━━
│ ┃ 19/97
│ ┃ > 1
│ ┗━━━━━━━━━━
│
╰──────────────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_list_input_border_and_label_header_first
tmux.send_keys %(
seq 100 | #{FZF} --border rounded --list-border double --input-border bold --list-label-pos 2:bottom --input-label-pos 2 --header-lines 3 --query 1 --padding 1,2 \
--bind 'start:transform-input-label(echo INPUT)+transform-list-label(echo LIST)' \
--bind 'space:change-input-label( input )+change-list-label( list )' --header-first
).strip, :Enter
block = <<~BLOCK
│ ║ 11
│ ║ > 10
│ ╚LIST══════
│ ┏INPUT━━━━━
│ ┃ 19/97
│ ┃ > 1
│ ┗━━━━━━━━━━
│ 3
│ 2
│ 1
│
╰──────────────
BLOCK
tmux.until { assert_block(block, it) }
tmux.send_keys :Space
block = <<~BLOCK
│ ║ 11
│ ║ > 10
│ ╚ list ════
│ ┏ input ━━━
│ ┃ 19/97
│ ┃ > 1
│ ┗━━━━━━━━━━
│ 3
│ 2
│ 1
│
╰──────────────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_header_border_and_label
tmux.send_keys %(seq 100 | #{FZF} --border rounded --header-lines 3 --header-border sharp --header-label header --header-label-pos 2:bottom --query 1 --padding 1,2), :Enter
block = <<~BLOCK
│ 12
│ 11
│ > 10
│ ┌────────
│ │ 3
│ │ 2
│ │ 1
│ └header──
│ 19/97 ─
│ > 1
│
╰────────────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_header_border_toggle
tmux.send_keys %(seq 100 | #{FZF} --list-border rounded --header-border rounded --bind 'space:change-header(hello),enter:change-header()'), :Enter
block1 = <<~BLOCK
│ 5
│ 4
│ 3
│ 2
│ > 1
│ 100/100 ─
│ >
╰────────────
BLOCK
tmux.until { assert_block(block1, it) }
tmux.send_keys :Space
block2 = <<~BLOCK
│ 3
│ 2
│ > 1
╰────────────
╭────────────
│ hello
╰────────────
100/100 ─
>
BLOCK
tmux.until { assert_block(block2, it) }
tmux.send_keys :Enter
tmux.until { assert_block(block1, it) }
end
def test_header_border_toggle_with_header_lines
tmux.send_keys %(seq 100 | #{FZF} --list-border rounded --header-border rounded --bind 'space:change-header(hello),enter:change-header()' --header-lines 2), :Enter
block1 = <<~BLOCK
│ 5
│ 4
│ > 3
╰──────────
╭──────────
│ 2
│ 1
╰──────────
98/98 ─
>
BLOCK
tmux.until { assert_block(block1, it) }
tmux.send_keys :Space
block2 = <<~BLOCK
│ 4
│ > 3
╰──────────
╭──────────
│ 2
│ 1
│ hello
╰──────────
98/98 ─
>
BLOCK
tmux.until { assert_block(block2, it) }
tmux.send_keys :Enter
tmux.until { assert_block(block1, it) }
end
def test_header_border_toggle_with_header_lines_header_first
tmux.send_keys %(seq 100 | #{FZF} --list-border rounded --header-border rounded --bind 'space:change-header(hello),enter:change-header()' --header-lines 2 --header-first), :Enter
block1 = <<~BLOCK
│ 5
│ 4
│ > 3
╰──────────
98/98 ─
>
╭──────────
│ 2
│ 1
╰──────────
BLOCK
tmux.until { assert_block(block1, it) }
tmux.send_keys :Space
block2 = <<~BLOCK
│ 4
│ > 3
╰──────────
2
1
98/98 ─
>
╭──────────
│ hello
╰──────────
BLOCK
tmux.until { assert_block(block2, it) }
tmux.send_keys :Enter
tmux.until { assert_block(block1, it) }
end
def test_header_border_toggle_with_header_lines_header_lines_border
tmux.send_keys %(seq 100 | #{FZF} --list-border rounded --header-border rounded --bind 'space:change-header(hello),enter:change-header()' --header-lines 2 --header-lines-border double), :Enter
block1 = <<~BLOCK
│ 5
│ 4
│ > 3
╰──────────
╔══════════
║ 2
║ 1
╚══════════
98/98 ─
>
BLOCK
tmux.until { assert_block(block1, it) }
tmux.send_keys :Space
block2 = <<~BLOCK
│ > 3
╰──────────
╔══════════
║ 2
║ 1
╚══════════
╭──────────
│ hello
╰──────────
98/98 ─
>
BLOCK
tmux.until { assert_block(block2, it) }
tmux.send_keys :Enter
tmux.until { assert_block(block1, it) }
end
def test_header_border_toggle_with_header_lines_header_first_header_lines_border
tmux.send_keys %(seq 100 | #{FZF} --list-border rounded --header-border rounded --bind 'space:change-header(hello),enter:change-header()' --header-lines 2 --header-first --header-lines-border double), :Enter
block1 = <<~BLOCK
│ 5
│ 4
│ > 3
╰──────────
98/98 ─
>
╔══════════
║ 2
║ 1
╚══════════
BLOCK
tmux.until { assert_block(block1, it) }
tmux.send_keys :Space
block2 = <<~BLOCK
│ > 3
╰──────────
╔══════════
║ 2
║ 1
╚══════════
98/98 ─
>
╭──────────
│ hello
╰──────────
BLOCK
tmux.until { assert_block(block2, it) }
tmux.send_keys :Enter
tmux.until { assert_block(block1, it) }
end
def test_header_border_and_label_header_first
tmux.send_keys %(seq 100 | #{FZF} --border rounded --header-lines 3 --header-border sharp --header-label header --header-label-pos 2:bottom --query 1 --padding 1,2 --header-first), :Enter
block = <<~BLOCK
│ 12
│ 11
│ > 10
│ 19/97 ─
│ > 1
│ ┌────────
│ │ 3
│ │ 2
│ │ 1
│ └header──
│
╰────────────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_header_border_and_label_with_list_border
tmux.send_keys %(seq 100 | #{FZF} --border rounded --list-border double --list-label list --list-label-pos 2:bottom --header-lines 3 --header-border sharp --header-label header --header-label-pos 2:bottom --query 1 --padding 1,2), :Enter
block = <<~BLOCK
│ ║ 12
│ ║ 11
│ ║ > 10
│ ╚list══════
│ ┌──────────
│ │ 3
│ │ 2
│ │ 1
│ └header────
│ 19/97 ─
│ > 1
│
╰──────────────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_header_border_and_label_with_list_border_header_first
tmux.send_keys %(seq 100 | #{FZF} --border rounded --list-border double --list-label list --list-label-pos 2:bottom --header-lines 3 --header-border sharp --header-label header --header-label-pos 2:bottom --query 1 --padding 1,2 --header-first), :Enter
block = <<~BLOCK
│ ║ 12
│ ║ 11
│ ║ > 10
│ ╚list══════
│ 19/97 ─
│ > 1
│ ┌──────────
│ │ 3
│ │ 2
│ │ 1
│ └header────
│
╰──────────────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_all_borders
tmux.send_keys %(seq 100 | #{FZF} --border rounded --list-border double --list-label list --list-label-pos 2:bottom --header-lines 3 --header-border sharp --header-label header --header-label-pos 2:bottom --query 1 --padding 1,2 --input-border bold --input-label input --input-label-pos 2:bottom), :Enter
block = <<~BLOCK
│ ║ 12
│ ║ 11
│ ║ > 10
│ ╚list══════
│ ┌──────────
│ │ 3
│ │ 2
│ │ 1
│ └header────
│ ┏━━━━━━━━━━
│ ┃ 19/97
│ ┃ > 1
│ ┗input━━━━━
│
╰──────────────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_all_borders_header_first
tmux.send_keys %(seq 100 | #{FZF} --border rounded --list-border double --list-label list --list-label-pos 2:bottom --header-lines 3 --header-border sharp --header-label header --header-label-pos 2:bottom --query 1 --padding 1,2 --input-border bold --input-label input --input-label-pos 2:bottom --header-first), :Enter
block = <<~BLOCK
│ ║ 12
│ ║ 11
│ ║ > 10
│ ╚list══════
│ ┏━━━━━━━━━━
│ ┃ 19/97
│ ┃ > 1
│ ┗input━━━━━
│ ┌──────────
│ │ 3
│ │ 2
│ │ 1
│ └header────
│
╰──────────────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_style_full_adaptive_height
tmux.send_keys %(seq 1| #{FZF} --style=full:rounded --height=~100% --header-lines=1 --info=default), :Enter
block = <<~BLOCK
╭────────
╰────────
╭────────
│ 1
╰────────
╭────────
│ 0/0
│ >
╰────────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_style_full_adaptive_height_double
tmux.send_keys %(seq 1| #{FZF} --style=full:double --border --height=~100% --header-lines=1 --info=default), :Enter
block = <<~BLOCK
╔══════════
║ ╔════════
║ ╚════════
║ ╔════════
║ ║ 1
║ ╚════════
║ ╔════════
║ ║ 0/0
║ ║ >
║ ╚════════
╚══════════
BLOCK
tmux.until { assert_block(block, it) }
end
def test_preview_window_noinfo
# │ 1 ││
tmux.send_keys %(#{FZF} --preview 'seq 1000' --preview-window top,noinfo --scrollbar --bind space:change-preview-window:info), :Enter
tmux.until do |lines|
assert lines[1]&.start_with?('│ 1')
assert lines[1]&.end_with?(' ││')
end
tmux.send_keys :Space
tmux.until do |lines|
assert lines[1]&.start_with?('│ 1')
assert lines[1]&.end_with?('1000││')
end
end
def test_min_height_no_auto
tmux.send_keys %(seq 100 | #{FZF} --border sharp --style full:sharp --height 1% --min-height 5), :Enter
block = <<~BLOCK
┌───────
│ ┌─────
│ │ >
│ └─────
└───────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_min_height_auto
tmux.send_keys %(seq 100 | #{FZF} --style full:sharp --height 1% --min-height 5+), :Enter
block = <<~BLOCK
┌─────────
│ 5
│ 4
│ 3
│ 2
│ > 1
└─────────
┌─────────
│ >
└─────────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_min_height_auto_no_input
tmux.send_keys %(seq 100 | #{FZF} --style full:sharp --no-input --height 1% --min-height 5+), :Enter
block = <<~BLOCK
┌─────────
│ 5
│ 4
│ 3
│ 2
│ > 1
└─────────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_min_height_auto_no_input_reverse_list
tmux.send_keys %(seq 100 | #{FZF} --style full:sharp --layout reverse-list --no-input --height 1% --min-height 5+ --bind a:show-input,b:hide-input,c:toggle-input), :Enter
block = <<~BLOCK
┌─────────
│ > 1
│ 2
│ 3
│ 4
│ 5
└─────────
BLOCK
tmux.until { assert_block(block, it) }
tmux.send_keys :a
block2 = <<~BLOCK
┌─────
│ > 1
│ 2
└─────
┌─────
│ >
└─────
BLOCK
tmux.until { assert_block(block2, it) }
tmux.send_keys :b
tmux.until { assert_block(block, it) }
tmux.send_keys :c
tmux.until { assert_block(block2, it) }
tmux.send_keys :c
tmux.until { assert_block(block, it) }
end
def test_layout_reverse_list
prefix = "seq 5 | #{FZF} --layout reverse-list --no-list-border --height ~100% --border sharp "
suffixes = [
%(),
%[--header "$(seq 101 103)"],
%[--header "$(seq 101 103)" --header-first],
%[--header "$(seq 101 103)" --header-lines 3],
%[--header "$(seq 101 103)" --header-lines 3 --header-first],
%[--header "$(seq 101 103)" --header-border sharp],
%[--header "$(seq 101 103)" --header-border sharp --header-first],
%[--header "$(seq 101 103)" --header-border sharp --header-lines 3],
%[--header "$(seq 101 103)" --header-border sharp --header-lines 3 --header-lines-border sharp],
%[--header "$(seq 101 103)" --header-border sharp --header-lines 3 --header-lines-border sharp --header-first],
%[--header "$(seq 101 103)" --header-border sharp --header-lines 3 --header-lines-border sharp --header-first --input-border sharp],
%[--header "$(seq 101 103)" --header-border sharp --header-lines 3 --header-lines-border sharp --header-first --no-input],
%[--header "$(seq 101 103)" --input-border sharp],
%[--header "$(seq 101 103)" --style full:sharp],
%[--header "$(seq 101 103)" --style full:sharp --header-first]
]
output = <<~BLOCK
┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌───────── ┌─────── ┌───────── ┌───────── ┌─────────
│ > 1 │ > 1 │ > 1 │ 1 │ 1 │ > 1 │ > 1 │ 1 │ ┌────── │ ┌────── │ ┌─────── │ ┌───── │ > 1 │ ┌─────── │ ┌───────
│ 2 │ 2 │ 2 │ 2 │ 2 │ 2 │ 2 │ 2 │ │ 1 │ │ 1 │ │ 1 │ │ 1 │ 2 │ │ > 1 │ │ > 1
│ 3 │ 3 │ 3 │ 3 │ 3 │ 3 │ 3 │ 3 │ │ 2 │ │ 2 │ │ 2 │ │ 2 │ 3 │ │ 2 │ │ 2
│ 4 │ 4 │ 4 │ > 4 │ > 4 │ 4 │ 4 │ > 4 │ │ 3 │ │ 3 │ │ 3 │ │ 3 │ 4 │ │ 3 │ │ 3
│ 5 │ 5 │ 5 │ 5 │ 5 │ 5 │ 5 │ 5 │ └────── │ └────── │ └─────── │ └───── │ 5 │ │ 4 │ │ 4
│ 5/5 ─ │ 101 │ 5/5 ─ │ 101 │ 2/2 ─ │ ┌────── │ 5/5 ─ │ ┌────── │ > 4 │ > 4 │ > 4 │ > 4 │ 101 │ │ 5 │ │ 5
│ > │ 102 │ > │ 102 │ > │ │ 101 │ > │ │ 101 │ 5 │ 5 │ 5 │ 5 │ 102 │ └─────── │ └───────
└──────── │ 103 │ 101 │ 103 │ 101 │ │ 102 │ ┌────── │ │ 102 │ ┌────── │ 2/2 ─ │ ┌─────── │ ┌───── │ 103 │ ┌─────── │ ┌───────
│ 5/5 ─ │ 102 │ 2/2 ─ │ 102 │ │ 103 │ │ 101 │ │ 103 │ │ 101 │ > │ │ 2/2 │ │ 101 │ ┌─────── │ │ 101 │ │ >
│ > │ 103 │ > │ 103 │ └────── │ │ 102 │ └────── │ │ 102 │ ┌────── │ │ > │ │ 102 │ │ 5/5 │ │ 102 │ └───────
└──────── └──────── └──────── └──────── │ 5/5 ─ │ │ 103 │ 2/2 ─ │ │ 103 │ │ 101 │ └─────── │ │ 103 │ │ > │ │ 103 │ ┌───────
│ > │ └────── │ > │ └────── │ │ 102 │ ┌─────── │ └───── │ └─────── │ └─────── │ │ 101
└──────── └──────── └──────── │ 2/2 ─ │ │ 103 │ │ 101 └─────── └───────── │ ┌─────── │ │ 102
│ > │ └────── │ │ 102 │ │ > │ │ 103
└──────── └──────── │ │ 103 │ └─────── │ └───────
│ └─────── └───────── └─────────
└─────────
BLOCK
expects = []
output.each_line.first.scan(/\S+/) do
offset = Regexp.last_match.offset(0)
expects << output.lines.filter_map { it[offset[0]...offset[1]]&.strip }.take_while { !it.empty? }.join("\n")
end
suffixes.zip(expects).each do |suffix, block|
tmux.send_keys(prefix + suffix, :Enter)
tmux.until { assert_block(block, it) }
teardown
setup
end
end
def test_layout_default_with_footer
prefix = %[
seq 3 | #{FZF} --no-list-border --height ~100% \
--border sharp --footer "$(seq 201 202)" --footer-label FOOT --footer-label-pos 3 \
--header-label HEAD --header-label-pos 3:bottom \
--bind 'space:transform-footer-label(echo foot)+change-header-label(head)'
].strip + ' '
suffixes = [
%(),
%[--header "$(seq 101 102)"],
%[--header "$(seq 101 102)" --header-first],
%[--header "$(seq 101 102)" --header-lines 2],
%[--header "$(seq 101 102)" --header-lines 2 --header-first],
%[--header "$(seq 101 102)" --header-border sharp],
%[--header "$(seq 101 102)" --header-border sharp --header-first],
%[--header "$(seq 101 102)" --header-border sharp --header-lines 2],
%[--header "$(seq 101 102)" --header-border sharp --header-lines 2 --no-header-lines-border],
%[--header "$(seq 101 102)" --header-border sharp --header-lines 2 --header-lines-border none],
%[--header "$(seq 101 102)" --header-border sharp --header-lines 2 --header-lines-border sharp],
%[--header "$(seq 101 102)" --header-border sharp --header-lines 2 --header-lines-border sharp --header-first --input-border sharp],
%[--header "$(seq 101 102)" --header-border sharp --header-lines 2 --header-lines-border sharp --header-first --no-input],
%[--header "$(seq 101 102)" --footer-border sharp --input-border line],
%[--header "$(seq 101 102)" --style full:sharp --header-first]
]
output = <<~BLOCK
┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌───────── ┌──────── ┌──────── ┌─────────
│ 201 │ 201 │ 201 │ 201 │ 201 │ 201 │ 201 │ 201 │ 201 │ 201 │ 201 │ 201 │ 201 │ ┌─FOOT─ │ ┌─FOOT──
│ 202 │ 202 │ 202 │ 202 │ 202 │ 202 │ 202 │ 202 │ 202 │ 202 │ 202 │ 202 │ 202 │ │ 201 │ │ 201
│ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT── │ ──FOOT─ │ │ 202 │ │ 202
│ 3 │ 3 │ 3 │ > 3 │ > 3 │ 3 │ 3 │ > 3 │ > 3 │ > 3 │ > 3 │ > 3 │ > 3 │ └────── │ └───────
│ 2 │ 2 │ 2 │ 2 │ 2 │ 2 │ 2 │ ┌────── │ ┌────── │ 2 │ ┌────── │ ┌─────── │ ┌────── │ 3 │ ┌───────
│ > 1 │ > 1 │ > 1 │ 1 │ 1 │ > 1 │ > 1 │ │ 2 │ │ 2 │ 1 │ │ 2 │ │ 2 │ │ 2 │ 2 │ │ 3
│ 3/3 ─ │ 101 │ 3/3 ─ │ 101 │ 1/1 ─ │ ┌────── │ 3/3 ─ │ │ 1 │ │ 1 │ ┌────── │ │ 1 │ │ 1 │ │ 1 │ > 1 │ │ 2
│ > │ 102 │ > │ 102 │ > │ │ 101 │ > │ │ 101 │ │ 101 │ │ 101 │ └────── │ └─────── │ └────── │ 101 │ │ > 1
└──────── │ 3/3 ─ │ 101 │ 1/1 ─ │ 101 │ │ 102 │ ┌────── │ │ 102 │ │ 102 │ │ 102 │ ┌────── │ ┌─────── │ ┌────── │ 102 │ └───────
│ > │ 102 │ > │ 102 │ └─HEAD─ │ │ 101 │ └─HEAD─ │ └─HEAD─ │ └─HEAD─ │ │ 101 │ │ 1/1 │ │ 101 │ ─────── │ ┌───────
└──────── └──────── └──────── └──────── │ 3/3 ─ │ │ 102 │ 1/1 ─ │ 1/1 ─ │ 1/1 ─ │ │ 102 │ │ > │ │ 102 │ 3/3 │ │ >
│ > │ └─HEAD─ │ > │ > │ > │ └─HEAD─ │ └─────── │ └─HEAD─ │ > │ └───────
└──────── └──────── └──────── └──────── └──────── │ 1/1 ─ │ ┌─────── └──────── └──────── │ ┌───────
│ > │ │ 101 │ │ 101
└──────── │ │ 102 │ │ 102
│ └─HEAD── │ └─HEAD──
└───────── └─────────
BLOCK
expects = []
output.each_line.first.scan(/\S+/) do
offset = Regexp.last_match.offset(0)
expects << output.lines.filter_map { it[offset[0]...offset[1]]&.strip }.take_while { !it.empty? }.join("\n")
end
suffixes.zip(expects).each do |suffix, block|
tmux.send_keys(prefix + suffix, :Enter)
tmux.until { assert_block(block, it) }
tmux.send_keys :Space
tmux.until { assert_block(block.downcase, it) }
teardown
setup
end
end
def test_layout_reverse_list_with_footer
prefix = %[
seq 3 | #{FZF} --layout reverse-list --no-list-border --height ~100% \
--border sharp --footer "$(seq 201 202)" --footer-label FOOT --footer-label-pos 3 \
--header-label HEAD --header-label-pos 3:bottom \
--bind 'space:transform-footer-label(echo foot)+change-header-label(head)'
].strip + ' '
suffixes = [
%(),
%[--header "$(seq 101 102)"],
%[--header "$(seq 101 102)" --header-first],
%[--header "$(seq 101 102)" --header-lines 2],
%[--header "$(seq 101 102)" --header-lines 2 --header-first],
%[--header "$(seq 101 102)" --header-border sharp],
%[--header "$(seq 101 102)" --header-border sharp --header-first],
%[--header "$(seq 101 102)" --header-border sharp --header-lines 2],
%[--header "$(seq 101 102)" --header-border sharp --header-lines 2 --header-lines-border sharp],
%[--header "$(seq 101 102)" --header-border sharp --header-lines 2 --header-lines-border sharp --header-first --input-border sharp],
%[--header "$(seq 101 102)" --header-border sharp --header-lines 2 --header-lines-border sharp --header-first --no-input],
%[--header "$(seq 101 102)" --footer-border sharp --input-border line],
%[--header "$(seq 101 102)" --style full:sharp --header-first]
]
output = <<~BLOCK
┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌──────── ┌───────── ┌──────── ┌──────── ┌─────────
│ 201 │ 201 │ 201 │ 201 │ 201 │ 201 │ 201 │ 201 │ 201 │ 201 │ 201 │ ┌─FOOT─ │ ┌─FOOT──
│ 202 │ 202 │ 202 │ 202 │ 202 │ 202 │ 202 │ 202 │ 202 │ 202 │ 202 │ │ 201 │ │ 201
│ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT─ │ ──FOOT── │ ──FOOT─ │ │ 202 │ │ 202
│ > 1 │ > 1 │ > 1 │ 1 │ 1 │ > 1 │ > 1 │ 1 │ ┌────── │ ┌─────── │ ┌────── │ └────── │ └───────
│ 2 │ 2 │ 2 │ 2 │ 2 │ 2 │ 2 │ 2 │ │ 1 │ │ 1 │ │ 1 │ > 1 │ ┌───────
│ 3 │ 3 │ 3 │ > 3 │ > 3 │ 3 │ 3 │ > 3 │ │ 2 │ │ 2 │ │ 2 │ 2 │ │ > 1
│ 3/3 ─ │ 101 │ 3/3 ─ │ 101 │ 1/1 ─ │ ┌────── │ 3/3 ─ │ ┌────── │ └────── │ └─────── │ └────── │ 3 │ │ 2
│ > │ 102 │ > │ 102 │ > │ │ 101 │ > │ │ 101 │ > 3 │ > 3 │ > 3 │ 101 │ │ 3
└──────── │ 3/3 ─ │ 101 │ 1/1 ─ │ 101 │ │ 102 │ ┌────── │ │ 102 │ ┌────── │ ┌─────── │ ┌────── │ 102 │ └───────
│ > │ 102 │ > │ 102 │ └─HEAD─ │ │ 101 │ └─HEAD─ │ │ 101 │ │ 1/1 │ │ 101 │ ─────── │ ┌───────
└──────── └──────── └──────── └──────── │ 3/3 ─ │ │ 102 │ 1/1 ─ │ │ 102 │ │ > │ │ 102 │ 3/3 │ │ >
│ > │ └─HEAD─ │ > │ └─HEAD─ │ └─────── │ └─HEAD─ │ > │ └───────
└──────── └──────── └──────── │ 1/1 ─ │ ┌─────── └──────── └──────── │ ┌───────
│ > │ │ 101 │ │ 101
└──────── │ │ 102 │ │ 102
│ └─HEAD── │ └─HEAD──
└───────── └─────────
BLOCK
expects = []
output.each_line.first.scan(/\S+/) do
offset = Regexp.last_match.offset(0)
expects << output.lines.filter_map { it[offset[0]...offset[1]]&.strip }.take_while { !it.empty? }.join("\n")
end
suffixes.zip(expects).each do |suffix, block|
tmux.send_keys(prefix + suffix, :Enter)
tmux.until { assert_block(block, it) }
tmux.send_keys :Space
tmux.until { assert_block(block.downcase, it) }
teardown
setup
end
end
def test_change_header_and_label_at_once
tmux.send_keys %(seq 10 | #{FZF} --border sharp --header-border sharp --header-label-pos 3 --bind 'focus:change-header(header)+change-header-label(label)'), :Enter
block = <<~BLOCK
│ ┌─label──
│ │ header
│ └────────
│ 10/10 ─
│ >
└──────────
BLOCK
tmux.until { assert_block(block, it) }
end
def test_label_truncation
command = <<~CMD
seq 10 | #{FZF} --style full --border --header-lines=1 --preview ':' \\
--border-label "#{'b' * 1000}" \\
--preview-label "#{'p' * 1000}" \\
--header-label "#{'h' * 1000}" \\
--header-label "#{'h' * 1000}" \\
--input-label "#{'i' * 1000}" \\
--list-label "#{'l' * 1000}"
CMD
writelines(command.lines.map(&:chomp))
tmux.send_keys("sh #{tempname}", :Enter)
tmux.until do |lines|
text = lines.join
assert_includes text, 'b··'
assert_includes text, 'l··p'
assert_includes text, 'p··'
assert_includes text, 'h··'
assert_includes text, 'i··'
end
end
def test_separator_no_ellipsis
tmux.send_keys %(seq 10 | #{FZF} --separator "$(seq 1000 | tr '\\n' ' ')"), :Enter
tmux.until do |lines|
assert_equal 10, lines.match_count
refute_includes lines.join, '··'
end
end
def test_header_border_no_pointer_and_marker
tmux.send_keys %(seq 10 | #{FZF} --header-lines 1 --header-border sharp --no-list-border --pointer '' --marker ''), :Enter
block = <<~BLOCK
┌──────
│ 1
└──────
9/9 ─
>
BLOCK
tmux.until { assert_block(block, it) }
end
def test_gutter_default
tmux.send_keys %(seq 10 | fzf), :Enter
block = <<~BLOCK
▌ 3
▌ 2
> 1
10/10
>
BLOCK
tmux.until { assert_block(block, it) }
end
def test_gutter_default_no_unicode
tmux.send_keys %(seq 10 | fzf --no-unicode), :Enter
block = <<~BLOCK
3
2
> 1
10/10
>
BLOCK
tmux.until { assert_block(block, it) }
end
def test_gutter_custom
tmux.send_keys %(seq 10 | fzf --gutter x), :Enter
block = <<~BLOCK
x 3
x 2
> 1
10/10
>
BLOCK
tmux.until { assert_block(block, it) }
end
# https://github.com/junegunn/fzf/issues/4537
def test_no_scrollbar_preview_toggle
x = 'x' * 300
y = 'y' * 300
tmux.send_keys %(yes #{x} | head -1000 | fzf --bind 'tab:toggle-preview' --border --no-scrollbar --preview 'echo #{y}' --preview-window 'border-left'), :Enter
# │ ▌ xxxxxxxx·· │ yyyyyyyy│
tmux.until do |lines|
lines.any? { it.match?(/x·· │ y+│$/) }
end
tmux.send_keys :Tab
# │ ▌ xxxxxxxx·· │
tmux.until do |lines|
lines.none? { it.match?(/x··y│$/) }
end
tmux.send_keys :Tab
tmux.until do |lines|
lines.any? { it.match?(/x·· │ y+│$/) }
end
end
def test_header_and_footer_should_not_be_wider_than_list
tmux.send_keys %(WIDE=$(printf 'x%.0s' {1..1000}); (echo $WIDE; echo $WIDE) | fzf --header-lines 1 --style full --header-border bottom --header-lines-border top --ellipsis XX --header "$WIDE" --footer "$WIDE" --no-footer-border), :Enter
tmux.until do |lines|
matches = lines.filter_map { |line| line[/x+XX/] }
assert_equal 4, matches.length
assert_equal 1, matches.uniq.length
end
end
def test_combinations
skip unless ENV['LONGTEST']
base = [
'--pointer=@',
'--exact',
'--query=123',
'--header="$(seq 101 103)"',
'--header-lines=3',
'--footer "$(seq 201 203)"',
'--preview "echo foobar"'
]
options = [
['--separator==', '--no-separator'],
['--info=default', '--info=inline', '--info=inline-right'],
['--no-input-border', '--input-border'],
['--no-header-border', '--header-border=none', '--header-border'],
['--no-header-lines-border', '--header-lines-border'],
['--no-footer-border', '--footer-border'],
['--no-list-border', '--list-border'],
['--preview-window=right', '--preview-window=up', '--preview-window=down', '--preview-window=left'],
['--header-first', '--no-header-first'],
['--layout=default', '--layout=reverse', '--layout=reverse-list']
]
# Combination of all options
combinations = options[0].product(*options.drop(1))
combinations.each_with_index do |combination, index|
opts = base + combination
command = %(seq 1001 2000 | #{FZF} #{opts.join(' ')})
puts "# #{index + 1}/#{combinations.length}\n#{command}"
tmux.send_keys command, :Enter
tmux.until do |lines|
layout = combination.find { it.start_with?('--layout=') }.split('=').last
header_first = combination.include?('--header-first')
# Input
input = lines.index { it.include?('> 123') }
assert(input)
# Info
info = lines.index { it.include?('11/997') }
assert(info)
assert(layout == 'reverse' ? input <= info : input >= info)
# List
item1 = lines.index { it.include?('1230') }
item2 = lines.index { it.include?('1231') }
assert_equal(item1, layout == 'default' ? item2 + 1 : item2 - 1)
# Preview
assert(lines.any? { it.include?('foobar') })
# Header
header1 = lines.index { it.include?('101') }
header2 = lines.index { it.include?('102') }
assert_equal(header2, header1 + 1)
assert((layout == 'reverse') == header_first ? input > header1 : input < header1)
# Footer
footer1 = lines.index { it.include?('201') }
footer2 = lines.index { it.include?('202') }
assert_equal(footer2, footer1 + 1)
assert(layout == 'reverse' ? footer1 > item2 : footer1 < item2)
# Header lines
hline1 = lines.index { it.include?('1001') }
hline2 = lines.index { it.include?('1002') }
assert_equal(hline1, layout == 'default' ? hline2 + 1 : hline2 - 1)
assert(layout == 'reverse' ? hline1 > header1 : hline1 < header1)
end
tmux.send_keys :Enter
end
end
# Locate a word in the currently captured screen and click its first character.
# tmux rows/columns are 1-based; capture indices are 0-based.
def click_word(word)
tmux.capture.each_with_index do |line, idx|
col = line.index(word)
return tmux.click(col + 1, idx + 1) if col
end
flunk("word #{word.inspect} not found on screen")
end
# Launch fzf with a click-{header,footer} binding that echoes FZF_CLICK_* into the prompt,
# then click each word in `clicks` and assert the resulting L/W values.
# `clicks` is an array of [word_to_click, expected_line].
def verify_clicks(kind:, opts:, input:, clicks:)
var = kind.to_s.upcase # HEADER or FOOTER
binding = "click-#{kind}:transform-prompt:" \
"echo \"L=$FZF_CLICK_#{var}_LINE W=$FZF_CLICK_#{var}_WORD> \""
# --multi makes the info line end in " (0)" so the wait regex is unambiguous.
tmux.send_keys %(#{input} | #{FZF} #{opts} --multi --bind '#{binding}'), :Enter
# Wait for fzf to fully render before inspecting the screen, otherwise the echoed
# command line can shadow click targets.
tmux.until { |lines| lines.any_include?(%r{ [0-9]+/[0-9]+ \(0\)}) }
clicks.each do |word, line|
click_word(word)
tmux.until { |lines| assert lines.any_include?("L=#{line} W=#{word}>") }
end
tmux.send_keys 'Escape'
end
# Header lines (--header-lines) are rendered in reverse display order only under
# layout=default; in layout=reverse and layout=reverse-list they keep the input order.
# FZF_CLICK_HEADER_LINE reflects the visual row, so the expected value flips.
HEADER_CLICKS = [%w[Aaa 1], %w[Bbb 2], %w[Ccc 3]].freeze
%w[default reverse reverse-list].each do |layout|
slug = layout.tr('-', '_')
# Plain --header with no border around the header section.
define_method(:"test_click_header_plain_#{slug}") do
verify_clicks(kind: :header,
opts: %(--layout=#{layout} --header $'Aaa\\nBbb\\nCcc'),
input: 'seq 5',
clicks: HEADER_CLICKS)
end
# --header with a framing border (--style full gives --header-border=rounded by default).
define_method(:"test_click_header_border_rounded_#{slug}") do
verify_clicks(kind: :header,
opts: %(--layout=#{layout} --style full --header $'Aaa\\nBbb\\nCcc'),
input: 'seq 5',
clicks: HEADER_CLICKS)
end
# --header-lines consumed from stdin, with its own framing border.
define_method(:"test_click_header_lines_border_rounded_#{slug}") do
clicks_hl = if layout == 'default'
[%w[Xaa 3], %w[Ybb 2], %w[Zcc 1]]
else
[%w[Xaa 1], %w[Ybb 2], %w[Zcc 3]]
end
verify_clicks(kind: :header,
opts: %(--layout=#{layout} --style full --header-lines 3),
input: "(printf 'Xaa\\nYbb\\nZcc\\n'; seq 5)",
clicks: clicks_hl)
end
# --footer with a framing border.
define_method(:"test_click_footer_border_rounded_#{slug}") do
verify_clicks(kind: :footer,
opts: %(--layout=#{layout} --style full --footer $'Foo\\nBar\\nBaz'),
input: 'seq 5',
clicks: [%w[Foo 1], %w[Bar 2], %w[Baz 3]])
end
# --header and --header-lines combined. Click-header numbering concatenates the two
# sections, but the order depends on the layout:
# layoutReverse: custom header (1..N), then header-lines (N+1..N+M)
# layoutDefault: header-lines (1..M, reversed visually), then custom header (M+1..M+N)
# layoutReverseList: header-lines (1..M), then custom header (M+1..M+N)
define_method(:"test_click_header_combined_#{slug}") do
clicks = case layout
when 'reverse'
[%w[Aaa 1], %w[Bbb 2], %w[Ccc 3], %w[Xaa 4], %w[Ybb 5], %w[Zcc 6]]
when 'default'
[%w[Aaa 4], %w[Bbb 5], %w[Ccc 6], %w[Xaa 3], %w[Ybb 2], %w[Zcc 1]]
else # reverse-list
[%w[Aaa 4], %w[Bbb 5], %w[Ccc 6], %w[Xaa 1], %w[Ybb 2], %w[Zcc 3]]
end
verify_clicks(kind: :header,
opts: %(--layout=#{layout} --header $'Aaa\\nBbb\\nCcc' --header-lines 3),
input: "(printf 'Xaa\\nYbb\\nZcc\\n'; seq 5)",
clicks: clicks)
end
# Inline header inside a rounded list border.
define_method(:"test_click_header_border_inline_#{slug}") do
opts = %(--layout=#{layout} --style full --header $'Aaa\\nBbb\\nCcc' --header-border=inline)
verify_clicks(kind: :header, opts: opts, input: 'seq 5', clicks: HEADER_CLICKS)
end
# Inline header inside a horizontal list border (top+bottom only, no T-junctions).
define_method(:"test_click_header_border_inline_horizontal_list_#{slug}") do
opts = %(--layout=#{layout} --style full --list-border=horizontal --header $'Aaa\\nBbb\\nCcc' --header-border=inline)
verify_clicks(kind: :header, opts: opts, input: 'seq 5', clicks: HEADER_CLICKS)
end
# Inline header-lines inside a rounded list border.
define_method(:"test_click_header_lines_border_inline_#{slug}") do
clicks_hl = if layout == 'default'
[%w[Xaa 3], %w[Ybb 2], %w[Zcc 1]]
else
[%w[Xaa 1], %w[Ybb 2], %w[Zcc 3]]
end
opts = %(--layout=#{layout} --style full --header-lines 3 --header-lines-border=inline)
verify_clicks(kind: :header, opts: opts,
input: "(printf 'Xaa\\nYbb\\nZcc\\n'; seq 5)",
clicks: clicks_hl)
end
# Inline footer inside a rounded list border.
define_method(:"test_click_footer_border_inline_#{slug}") do
opts = %(--layout=#{layout} --style full --footer $'Foo\\nBar\\nBaz' --footer-border=inline)
verify_clicks(kind: :footer, opts: opts, input: 'seq 5',
clicks: [%w[Foo 1], %w[Bar 2], %w[Baz 3]])
end
end
# An inline section requesting far more rows than the terminal can fit must not
# break the layout. The list frame must still render inside the pane with both
# corners visible and the prompt line present.
def test_inline_header_lines_oversized
tmux.send_keys %(seq 10000 | #{FZF} --style full --header-border inline --header-lines 9999), :Enter
tmux.until { |lines| lines.any_include?(%r{ [0-9]+/[0-9]+}) }
lines = tmux.capture
# Rounded (light) and sharp (tcell) default border glyphs.
top_corners = /[╭┌]/
bottom_corners = /[╰└]/
assert(lines.any? { |l| l.match?(top_corners) }, "list frame top missing: #{lines.inspect}")
assert(lines.any? { |l| l.match?(bottom_corners) }, "list frame bottom missing: #{lines.inspect}")
assert(lines.any? { |l| l.include?('>') }, "prompt missing: #{lines.inspect}")
tmux.send_keys 'Escape'
end
# A non-inline section that consumes all available rows must still render without
# crashing when another section is inline but has no budget. The inline section's
# content is clipped to 0 but the layout proceeds.
def test_inline_footer_starved_by_non_inline_header
tmux.send_keys %(seq 10000 | #{FZF} --style full --footer-border inline --footer "$(seq 1000)" --header "$(seq 1000)"), :Enter
tmux.until { |lines| lines.any_include?(%r{ [0-9]+/[0-9]+}) }
lines = tmux.capture
assert(lines.any? { |l| l.include?('>') }, "prompt missing: #{lines.inspect}")
tmux.send_keys 'Escape'
end
# Without a line-drawing --list-border, --header-border=inline must silently
# fall back to the `line` style (documented behavior).
def test_inline_falls_back_without_list_border
tmux.send_keys %(seq 5 | #{FZF} --list-border=none --header HEADER --header-border=inline), :Enter
tmux.until { |lines| lines.any_include?(%r{ [0-9]+/[0-9]+}) }
lines = tmux.capture
assert(lines.any? { |l| l.include?('HEADER') }, "header missing: #{lines.inspect}")
# Neither list frame corners (rounded/sharp) nor T-junction runes appear,
# since we've fallen back to a plain line separator.
assert(lines.none? { |l| l.match?(/[╭╮╰╯┌┐└┘├┤]/) }, "unexpected frame glyphs: #{lines.inspect}")
tmux.send_keys 'Escape'
end
# Regression: when --header-border=inline falls back to `line` because the
# list border can't host an inline separator, the header-border color must
# inherit from `border`, not `list-border`. The effective shape is `line`,
# so color inheritance must match what `line` rendering would use.
def test_inline_fallback_does_not_inherit_list_border_color
# Marker attribute (bold) on list-border. If HeaderBorder wrongly inherits
# from ListBorder, the header separator characters will carry the bold
# attribute. --info=hidden and --no-separator strip other separator lines
# so the only row of `─` chars is the header separator.
tmux.send_keys %(seq 5 | #{FZF} --list-border=none --header HEADER --header-border=inline --info=hidden --no-separator --color=bg:-1,list-border:red:bold), :Enter
sep_row = nil
tmux.until do |_|
sep_row = tmux.capture_ansi.find do |row|
stripped = row.gsub(/\e\[[\d;]*m/, '').rstrip
stripped.match?(/\A─+\z/)
end
!sep_row.nil?
end
# Bold (1) or red fg (31) on the header separator means it inherited from
# list-border even though the effective shape is `line` (non-inline).
refute_match(/\e\[(?:[\d;]*;)?(?:1|31)(?:;[\d;]*)?m─/, sep_row,
"header separator inherited list-border attr: #{sep_row.inspect}")
tmux.send_keys 'Escape'
end
# Inline takes precedence over --header-first: the main header stays
# inside the list frame instead of moving below the input.
def test_inline_header_border_overrides_header_first
tmux.send_keys %(seq 5 | #{FZF} --style full --header foo --header-first --header-border inline), :Enter
tmux.until do |lines|
foo_idx = lines.index { |l| l.match?(/\A│\s+foo\s+│\z/) }
input_idx = lines.index { |l| l.match?(/\A│\s+>\s+\d+\/\d+\s+│\z/) }
foo_idx && input_idx && foo_idx < input_idx
end
end
# With both sections present, --header-first still moves the main --header
# below the input while --header-lines-border=inline keeps header-lines
# inside the list frame.
def test_inline_header_lines_with_header_first_and_main_header
tmux.send_keys %(seq 5 | #{FZF} --style full --header foo --header-lines 1 --header-first --header-lines-border inline), :Enter
tmux.until do |lines|
one_idx = lines.index { |l| l.match?(/\A│\s+1\s+│\z/) }
foo_idx = lines.index { |l| l.match?(/\A│\s+foo\s+│\z/) }
input_idx = lines.index { |l| l.match?(/\A│\s+>\s+\d+\/\d+\s+│\z/) }
one_idx && foo_idx && input_idx && one_idx < input_idx && input_idx < foo_idx
end
end
# With no main --header, --header-first previously repositioned
# header-lines. Inline now takes precedence: header-lines stays inside
# the list frame.
def test_inline_header_lines_with_header_first_no_main_header
tmux.send_keys %(seq 5 | #{FZF} --style full --header-lines 1 --header-first --header-lines-border inline), :Enter
tmux.until do |lines|
one_idx = lines.index { |l| l.match?(/\A│\s+1\s+│\z/) }
input_idx = lines.index { |l| l.match?(/\A│\s+>\s+\d+\/\d+\s+│\z/) }
one_idx && input_idx && one_idx < input_idx
end
end
# Invalid inline combinations must be rejected at startup.
def test_inline_rejected_on_unsupported_options
[
['--border=inline', 'inline border is only supported'],
['--list-border=inline', 'inline border is only supported'],
['--input-border=inline', 'inline border is only supported'],
['--preview-window=border-inline --preview :', 'invalid preview window option: border-inline'],
['--header-border=inline --header-lines-border=sharp --header-lines=1',
'--header-border=inline requires --header-lines-border to be inline or unset']
].each do |args, expected|
output = `#{FZF} #{args} < /dev/null 2>&1`
refute_equal 0, $CHILD_STATUS.exitstatus, "expected non-zero exit for: #{args}"
assert_includes output, expected, "wrong error for: #{args}"
end
end
private
# Count rows whose entire width is a single `color` range.
def count_full_rows(ranges_by_row, color)
ranges_by_row.count { |r| r.length == 1 && r[0][2] == color }
end
# Wait until `tmux.bg_ranges` has at least `count` fully-`color` rows; return them.
def wait_for_full_rows(color, count)
ranges = nil
tmux.until do |_|
ranges = tmux.bg_ranges
count_full_rows(ranges, color) >= count
end
ranges
end
public
# Inline header's entire section (outer edge + content-row verticals + separator)
# carries the header-bg color; list rows below carry list-bg.
def test_inline_header_bg_color
tmux.send_keys %(seq 5 | #{FZF} --list-border --reverse --header HEADER --header-border=inline --color=bg:-1,header-border:white,list-border:white,header-bg:red,list-bg:green), :Enter
tmux.until { |lines| lines.any_include?(%r{ [0-9]+/[0-9]+}) }
# 3 fully-red rows: top edge, header content, separator.
ranges = wait_for_full_rows('red', 3)
assert_equal_org(3, count_full_rows(ranges, 'red'))
# List rows below (>=5) are fully green.
assert_operator count_full_rows(ranges, 'green'), :>=, 5
tmux.send_keys 'Escape'
end
# Regression: when --header-lines-border=inline is the only inline section
# (no --header-border), the section must still use header-bg, not list-bg.
def test_inline_header_lines_bg_without_main_header
tmux.send_keys %(seq 5 | #{FZF} --list-border --reverse --header-lines 2 --header-lines-border=inline --color=bg:-1,header-border:white,list-border:white,header-bg:red,list-bg:green), :Enter
tmux.until { |lines| lines.any_include?(%r{ [0-9]+/[0-9]+}) }
# Top edge + 2 content rows + separator = 4 fully-red rows.
ranges = wait_for_full_rows('red', 4)
assert_equal_org(4, count_full_rows(ranges, 'red'))
tmux.send_keys 'Escape'
end
# Inline footer's entire section carries footer-bg; list rows above carry list-bg.
def test_inline_footer_bg_color
tmux.send_keys %(seq 5 | #{FZF} --list-border --footer FOOTER --footer-border=inline --color=bg:-1,footer-border:white,list-border:white,footer-bg:blue,list-bg:green), :Enter
tmux.until { |lines| lines.any_include?(%r{ [0-9]+/[0-9]+}) }
ranges = wait_for_full_rows('blue', 3)
assert_equal_org(3, count_full_rows(ranges, 'blue'))
tmux.send_keys 'Escape'
end
# The list-label's bg is swapped to match the adjacent inline section so it reads as
# part of the section frame rather than a list-colored island on a section-colored edge.
def test_list_label_bg_on_inline_section_edge
tmux.send_keys %(seq 5 | #{FZF} --list-border --reverse --header HEADER --header-border=inline --list-label=LL --color=bg:-1,header-border:white,list-border:white,header-bg:red,list-bg:green,list-label:yellow:bold), :Enter
tmux.until { |lines| lines.any_include?(%r{ [0-9]+/[0-9]+}) }
# The label sits on the header-owned top edge, so the entire row must be a
# single red run (no green breaks where the label cells are).
ranges = wait_for_full_rows('red', 3)
assert_operator count_full_rows(ranges, 'red'), :>=, 3
tmux.send_keys 'Escape'
end
end
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