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-rw-r--r--test/functional/terminal/scrollback_spec.lua385
1 files changed, 237 insertions, 148 deletions
diff --git a/test/functional/terminal/scrollback_spec.lua b/test/functional/terminal/scrollback_spec.lua
index d60819af65..930d0cf58b 100644
--- a/test/functional/terminal/scrollback_spec.lua
+++ b/test/functional/terminal/scrollback_spec.lua
@@ -3,7 +3,11 @@ local helpers = require('test.functional.helpers')(after_each)
local thelpers = require('test.functional.terminal.helpers')
local clear, eq, curbuf = helpers.clear, helpers.eq, helpers.curbuf
local feed, nvim_dir, execute = helpers.feed, helpers.nvim_dir, helpers.execute
+local eval = helpers.eval
+local command = helpers.command
local wait = helpers.wait
+local retry = helpers.retry
+local curbufmeths = helpers.curbufmeths
local feed_data = thelpers.feed_data
if helpers.pending_win32(pending) then return end
@@ -13,14 +17,14 @@ describe('terminal scrollback', function()
before_each(function()
clear()
- screen = thelpers.screen_setup()
+ screen = thelpers.screen_setup(nil, nil, 30)
end)
after_each(function()
screen:detach()
end)
- describe('when the limit is crossed', function()
+ describe('when the limit is exceeded', function()
before_each(function()
local lines = {}
for i = 1, 30 do
@@ -29,26 +33,26 @@ describe('terminal scrollback', function()
table.insert(lines, '')
feed_data(lines)
screen:expect([[
- line26 |
- line27 |
- line28 |
- line29 |
- line30 |
- {1: } |
- {3:-- TERMINAL --} |
+ line26 |
+ line27 |
+ line28 |
+ line29 |
+ line30 |
+ {1: } |
+ {3:-- TERMINAL --} |
]])
end)
it('will delete extra lines at the top', function()
feed('<c-\\><c-n>gg')
screen:expect([[
- ^line16 |
- line17 |
- line18 |
- line19 |
- line20 |
- line21 |
- |
+ ^line16 |
+ line17 |
+ line18 |
+ line19 |
+ line20 |
+ line21 |
+ |
]])
end)
end)
@@ -57,13 +61,13 @@ describe('terminal scrollback', function()
before_each(function()
feed_data({'line1', 'line2', 'line3', 'line4', ''})
screen:expect([[
- tty ready |
- line1 |
- line2 |
- line3 |
- line4 |
- {1: } |
- {3:-- TERMINAL --} |
+ tty ready |
+ line1 |
+ line2 |
+ line3 |
+ line4 |
+ {1: } |
+ {3:-- TERMINAL --} |
]])
end)
@@ -72,13 +76,13 @@ describe('terminal scrollback', function()
it('will hide the top line', function()
screen:expect([[
- line1 |
- line2 |
- line3 |
- line4 |
- line5 |
- {1: } |
- {3:-- TERMINAL --} |
+ line1 |
+ line2 |
+ line3 |
+ line4 |
+ line5 |
+ {1: } |
+ {3:-- TERMINAL --} |
]])
eq(7, curbuf('line_count'))
end)
@@ -88,46 +92,46 @@ describe('terminal scrollback', function()
it('will hide the top 4 lines', function()
screen:expect([[
- line3 |
- line4 |
- line5 |
- line6 |
- line7 |
- line8{1: } |
- {3:-- TERMINAL --} |
+ line3 |
+ line4 |
+ line5 |
+ line6 |
+ line7 |
+ line8{1: } |
+ {3:-- TERMINAL --} |
]])
feed('<c-\\><c-n>6k')
screen:expect([[
- ^line2 |
- line3 |
- line4 |
- line5 |
- line6 |
- line7 |
- |
+ ^line2 |
+ line3 |
+ line4 |
+ line5 |
+ line6 |
+ line7 |
+ |
]])
feed('gg')
screen:expect([[
- ^tty ready |
- line1 |
- line2 |
- line3 |
- line4 |
- line5 |
- |
+ ^tty ready |
+ line1 |
+ line2 |
+ line3 |
+ line4 |
+ line5 |
+ |
]])
feed('G')
screen:expect([[
- line3 |
- line4 |
- line5 |
- line6 |
- line7 |
- ^line8{2: } |
- |
+ line3 |
+ line4 |
+ line5 |
+ line6 |
+ line7 |
+ ^line8{2: } |
+ |
]])
end)
end)
@@ -138,12 +142,12 @@ describe('terminal scrollback', function()
local function will_hide_top_line()
screen:try_resize(screen._width, screen._height - 1)
screen:expect([[
- line2 |
- line3 |
- line4 |
- rows: 5, cols: 50 |
- {1: } |
- {3:-- TERMINAL --} |
+ line2 |
+ line3 |
+ line4 |
+ rows: 5, cols: 30 |
+ {1: } |
+ {3:-- TERMINAL --} |
]])
end
@@ -157,18 +161,18 @@ describe('terminal scrollback', function()
it('will hide the top 3 lines', function()
screen:expect([[
- rows: 5, cols: 50 |
- rows: 3, cols: 50 |
- {1: } |
- {3:-- TERMINAL --} |
+ rows: 5, cols: 30 |
+ rows: 3, cols: 30 |
+ {1: } |
+ {3:-- TERMINAL --} |
]])
eq(8, curbuf('line_count'))
feed('<c-\\><c-n>3k')
screen:expect([[
- ^line4 |
- rows: 5, cols: 50 |
- rows: 3, cols: 50 |
- |
+ ^line4 |
+ rows: 5, cols: 30 |
+ rows: 3, cols: 30 |
+ |
]])
end)
end)
@@ -183,11 +187,11 @@ describe('terminal scrollback', function()
local function will_delete_last_two_lines()
screen:expect([[
- tty ready |
- rows: 4, cols: 50 |
- {1: } |
- |
- {3:-- TERMINAL --} |
+ tty ready |
+ rows: 4, cols: 30 |
+ {1: } |
+ |
+ {3:-- TERMINAL --} |
]])
eq(4, curbuf('line_count'))
end
@@ -202,25 +206,25 @@ describe('terminal scrollback', function()
it('will delete the last line and hide the first', function()
screen:expect([[
- rows: 4, cols: 50 |
- rows: 3, cols: 50 |
- {1: } |
- {3:-- TERMINAL --} |
+ rows: 4, cols: 30 |
+ rows: 3, cols: 30 |
+ {1: } |
+ {3:-- TERMINAL --} |
]])
eq(4, curbuf('line_count'))
feed('<c-\\><c-n>gg')
screen:expect([[
- ^tty ready |
- rows: 4, cols: 50 |
- rows: 3, cols: 50 |
- |
+ ^tty ready |
+ rows: 4, cols: 30 |
+ rows: 3, cols: 30 |
+ |
]])
feed('a')
screen:expect([[
- rows: 4, cols: 50 |
- rows: 3, cols: 50 |
- {1: } |
- {3:-- TERMINAL --} |
+ rows: 4, cols: 30 |
+ rows: 3, cols: 30 |
+ {1: } |
+ {3:-- TERMINAL --} |
]])
end)
end)
@@ -231,20 +235,20 @@ describe('terminal scrollback', function()
before_each(function()
feed_data({'line1', 'line2', 'line3', 'line4', ''})
screen:expect([[
- tty ready |
- line1 |
- line2 |
- line3 |
- line4 |
- {1: } |
- {3:-- TERMINAL --} |
+ tty ready |
+ line1 |
+ line2 |
+ line3 |
+ line4 |
+ {1: } |
+ {3:-- TERMINAL --} |
]])
screen:try_resize(screen._width, screen._height - 3)
screen:expect([[
- line4 |
- rows: 3, cols: 50 |
- {1: } |
- {3:-- TERMINAL --} |
+ line4 |
+ rows: 3, cols: 30 |
+ {1: } |
+ {3:-- TERMINAL --} |
]])
eq(7, curbuf('line_count'))
end)
@@ -253,11 +257,11 @@ describe('terminal scrollback', function()
local function pop_then_push()
screen:try_resize(screen._width, screen._height + 1)
screen:expect([[
- line4 |
- rows: 3, cols: 50 |
- rows: 4, cols: 50 |
- {1: } |
- {3:-- TERMINAL --} |
+ line4 |
+ rows: 3, cols: 30 |
+ rows: 4, cols: 30 |
+ {1: } |
+ {3:-- TERMINAL --} |
]])
end
@@ -272,26 +276,26 @@ describe('terminal scrollback', function()
local function pop3_then_push1()
screen:expect([[
- line2 |
- line3 |
- line4 |
- rows: 3, cols: 50 |
- rows: 4, cols: 50 |
- rows: 7, cols: 50 |
- {1: } |
- {3:-- TERMINAL --} |
+ line2 |
+ line3 |
+ line4 |
+ rows: 3, cols: 30 |
+ rows: 4, cols: 30 |
+ rows: 7, cols: 30 |
+ {1: } |
+ {3:-- TERMINAL --} |
]])
eq(9, curbuf('line_count'))
feed('<c-\\><c-n>gg')
screen:expect([[
- ^tty ready |
- line1 |
- line2 |
- line3 |
- line4 |
- rows: 3, cols: 50 |
- rows: 4, cols: 50 |
- |
+ ^tty ready |
+ line1 |
+ line2 |
+ line3 |
+ line4 |
+ rows: 3, cols: 30 |
+ rows: 4, cols: 30 |
+ |
]])
end
@@ -306,18 +310,18 @@ describe('terminal scrollback', function()
it('will show all lines and leave a blank one at the end', function()
screen:expect([[
- tty ready |
- line1 |
- line2 |
- line3 |
- line4 |
- rows: 3, cols: 50 |
- rows: 4, cols: 50 |
- rows: 7, cols: 50 |
- rows: 11, cols: 50 |
- {1: } |
- |
- {3:-- TERMINAL --} |
+ tty ready |
+ line1 |
+ line2 |
+ line3 |
+ line4 |
+ rows: 3, cols: 30 |
+ rows: 4, cols: 30 |
+ rows: 7, cols: 30 |
+ rows: 11, cols: 30 |
+ {1: } |
+ |
+ {3:-- TERMINAL --} |
]])
-- since there's an empty line after the cursor, the buffer line
-- count equals the terminal screen height
@@ -332,30 +336,115 @@ end)
describe('terminal prints more lines than the screen height and exits', function()
it('will push extra lines to scrollback', function()
clear()
- local screen = Screen.new(50, 7)
+ local screen = Screen.new(30, 7)
screen:attach({rgb=false})
execute('call termopen(["'..nvim_dir..'/tty-test", "10"]) | startinsert')
wait()
screen:expect([[
- line6 |
- line7 |
- line8 |
- line9 |
- |
- [Process exited 0] |
- -- TERMINAL -- |
+ line6 |
+ line7 |
+ line8 |
+ line9 |
+ |
+ [Process exited 0] |
+ -- TERMINAL -- |
]])
feed('<cr>')
-- closes the buffer correctly after pressing a key
screen:expect([[
- ^ |
- ~ |
- ~ |
- ~ |
- ~ |
- ~ |
- |
+ ^ |
+ ~ |
+ ~ |
+ ~ |
+ ~ |
+ ~ |
+ |
]])
end)
end)
+describe("'scrollback' option", function()
+ before_each(function()
+ clear()
+ end)
+
+ local function expect_lines(expected)
+ local actual = eval("line('$')")
+ if expected ~= actual then
+ error('expected: '..expected..', actual: '..tostring(actual))
+ end
+ end
+
+ it('set to 0 behaves as 1', function()
+ local screen = thelpers.screen_setup(nil, "['sh']", 30)
+
+ curbufmeths.set_option('scrollback', 0)
+ feed_data('for i in $(seq 1 30); do echo "line$i"; done\n')
+ screen:expect('line30 ', nil, nil, nil, true)
+ retry(nil, nil, function() expect_lines(7) end)
+
+ screen:detach()
+ end)
+
+ it('deletes lines (only) if necessary', function()
+ local screen = thelpers.screen_setup(nil, "['sh']", 30)
+
+ curbufmeths.set_option('scrollback', 200)
+
+ -- Wait for prompt.
+ screen:expect('$', nil, nil, nil, true)
+
+ wait()
+ feed_data('for i in $(seq 1 30); do echo "line$i"; done\n')
+
+ screen:expect('line30 ', nil, nil, nil, true)
+
+ retry(nil, nil, function() expect_lines(33) end)
+ curbufmeths.set_option('scrollback', 10)
+ wait()
+ retry(nil, nil, function() expect_lines(16) end)
+ curbufmeths.set_option('scrollback', 10000)
+ eq(16, eval("line('$')"))
+ -- Terminal job data is received asynchronously, may happen before the
+ -- 'scrollback' option is synchronized with the internal sb_buffer.
+ command('sleep 100m')
+ feed_data('for i in $(seq 1 40); do echo "line$i"; done\n')
+
+ screen:expect('line40 ', nil, nil, nil, true)
+
+ retry(nil, nil, function() expect_lines(58) end)
+ -- Verify off-screen state
+ eq('line35', eval("getline(line('w0') - 1)"))
+ eq('line26', eval("getline(line('w0') - 10)"))
+
+ screen:detach()
+ end)
+
+ it('defaults to 1000', function()
+ execute('terminal')
+ eq(1000, curbufmeths.get_option('scrollback'))
+ end)
+
+ it('error if set to invalid values', function()
+ local status, rv = pcall(command, 'set scrollback=-2')
+ eq(false, status) -- assert failure
+ eq('E474:', string.match(rv, "E%d*:"))
+
+ status, rv = pcall(command, 'set scrollback=100001')
+ eq(false, status) -- assert failure
+ eq('E474:', string.match(rv, "E%d*:"))
+ end)
+
+ it('defaults to -1 on normal buffers', function()
+ execute('new')
+ eq(-1, curbufmeths.get_option('scrollback'))
+ end)
+
+ it('error if set on a normal buffer', function()
+ command('new')
+ execute('set scrollback=42')
+ feed('<CR>')
+ eq('E474:', string.match(eval("v:errmsg"), "E%d*:"))
+ end)
+
+end)
generated by cgit (git 2.34.1) at 2025-11-04 07:41:00 +0000