diff options
Diffstat (limited to 'test/functional/terminal/scrollback_spec.lua')
| -rw-r--r-- | test/functional/terminal/scrollback_spec.lua | 468 |
1 files changed, 312 insertions, 156 deletions
diff --git a/test/functional/terminal/scrollback_spec.lua b/test/functional/terminal/scrollback_spec.lua index 7914e30a44..1c97441213 100644 --- a/test/functional/terminal/scrollback_spec.lua +++ b/test/functional/terminal/scrollback_spec.lua @@ -2,8 +2,14 @@ local Screen = require('test.functional.ui.screen') 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 feed, nvim_dir, feed_command = helpers.feed, helpers.nvim_dir, helpers.feed_command +local iswin = helpers.iswin +local eval = helpers.eval +local command = helpers.command local wait = helpers.wait +local retry = helpers.retry +local curbufmeths = helpers.curbufmeths +local nvim = helpers.nvim local feed_data = thelpers.feed_data describe('terminal scrollback', function() @@ -11,14 +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 @@ -27,41 +33,41 @@ describe('terminal scrollback', function() table.insert(lines, '') feed_data(lines) screen:expect([[ - line26 | - line27 | - line28 | - line29 | - line30 | - {1: } | - -- 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) - describe('with the cursor at the last row', function() + describe('with cursor at last row', function() before_each(function() feed_data({'line1', 'line2', 'line3', 'line4', ''}) screen:expect([[ - tty ready | - line1 | - line2 | - line3 | - line4 | - {1: } | - -- TERMINAL -- | + tty ready | + line1 | + line2 | + line3 | + line4 | + {1: } | + {3:-- TERMINAL --} | ]]) end) @@ -70,13 +76,13 @@ describe('terminal scrollback', function() it('will hide the top line', function() screen:expect([[ - line1 | - line2 | - line3 | - line4 | - line5 | - {1: } | - -- TERMINAL -- | + line1 | + line2 | + line3 | + line4 | + line5 | + {1: } | + {3:-- TERMINAL --} | ]]) eq(7, curbuf('line_count')) end) @@ -86,62 +92,64 @@ describe('terminal scrollback', function() it('will hide the top 4 lines', function() screen:expect([[ - line3 | - line4 | - line5 | - line6 | - line7 | - line8{1: } | - -- 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) end) - describe('and the height is decreased by 1', function() + describe('and height decreased by 1', function() + if helpers.pending_win32(pending) then return end local function will_hide_top_line() - screen:try_resize(screen._width, screen._height - 1) + feed([[<C-\><C-N>:]]) -- Go to cmdline-mode, so cursor is at bottom. + screen:try_resize(screen._width - 2, screen._height - 1) screen:expect([[ - line2 | - line3 | - line4 | - rows: 5, cols: 50 | - {1: } | - -- TERMINAL -- | + line2 | + line3 | + line4 | + rows: 5, cols: 28 | + {2: } | + :^ | ]]) end @@ -150,23 +158,23 @@ describe('terminal scrollback', function() describe('and then decreased by 2', function() before_each(function() will_hide_top_line() - screen:try_resize(screen._width, screen._height - 2) + screen:try_resize(screen._width - 2, screen._height - 2) end) it('will hide the top 3 lines', function() screen:expect([[ - rows: 5, cols: 50 | - rows: 3, cols: 50 | - {1: } | - -- TERMINAL -- | + rows: 5, cols: 28 | + rows: 3, cols: 26 | + {2: } | + :^ | ]]) eq(8, curbuf('line_count')) - feed('<c-\\><c-n>3k') + feed([[<C-\><C-N>3k]]) screen:expect([[ - ^line4 | - rows: 5, cols: 50 | - rows: 3, cols: 50 | - | + ^line4 | + rows: 5, cols: 28 | + rows: 3, cols: 26 | + | ]]) end) end) @@ -174,6 +182,11 @@ describe('terminal scrollback', function() end) describe('with empty lines after the cursor', function() + -- XXX: Can't test this reliably on Windows unless the cursor is _moved_ + -- by the resize. http://docs.libuv.org/en/v1.x/signal.html + -- See also: https://github.com/rprichard/winpty/issues/110 + if helpers.pending_win32(pending) then return end + describe('and the height is decreased by 2', function() before_each(function() screen:try_resize(screen._width, screen._height - 2) @@ -181,11 +194,11 @@ describe('terminal scrollback', function() local function will_delete_last_two_lines() screen:expect([[ - tty ready | - rows: 4, cols: 50 | - {1: } | - | - -- TERMINAL -- | + tty ready | + rows: 4, cols: 30 | + {1: } | + | + {3:-- TERMINAL --} | ]]) eq(4, curbuf('line_count')) end @@ -200,25 +213,25 @@ 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: } | - -- 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: } | - -- TERMINAL -- | + rows: 4, cols: 30 | + rows: 3, cols: 30 | + {1: } | + {3:-- TERMINAL --} | ]]) end) end) @@ -229,33 +242,37 @@ describe('terminal scrollback', function() before_each(function() feed_data({'line1', 'line2', 'line3', 'line4', ''}) screen:expect([[ - tty ready | - line1 | - line2 | - line3 | - line4 | - {1: } | - -- 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: } | - -- TERMINAL -- | + line4 | + rows: 3, cols: 30 | + {1: } | + {3:-- TERMINAL --} | ]]) eq(7, curbuf('line_count')) end) describe('and the height is increased by 1', function() + -- XXX: Can't test this reliably on Windows unless the cursor is _moved_ + -- by the resize. http://docs.libuv.org/en/v1.x/signal.html + -- See also: https://github.com/rprichard/winpty/issues/110 + if helpers.pending_win32(pending) then return end 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: } | - -- TERMINAL -- | + line4 | + rows: 3, cols: 30 | + rows: 4, cols: 30 | + {1: } | + {3:-- TERMINAL --} | ]]) end @@ -270,26 +287,26 @@ 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: } | - -- 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 @@ -304,18 +321,18 @@ 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: } | - | - -- 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 @@ -330,30 +347,169 @@ 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) - screen:attach(false) - execute('call termopen(["'..nvim_dir..'/tty-test", "10"]) | startinsert') + local screen = Screen.new(30, 7) + screen:attach({rgb=false}) + feed_command('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 set_fake_shell() + -- shell-test.c is a fake shell that prints its arguments and exits. + nvim('set_option', 'shell', nvim_dir..'/shell-test') + nvim('set_option', 'shellcmdflag', 'EXE') + end + + local function expect_lines(expected, epsilon) + local ep = epsilon and epsilon or 0 + local actual = eval("line('$')") + if expected > actual + ep and expected < actual - ep then + error('expected (+/- '..ep..'): '..expected..', actual: '..tostring(actual)) + end + end + + it('set to 0 behaves as 1', function() + local screen + if iswin() then + screen = thelpers.screen_setup(nil, "['cmd.exe']", 30) + else + screen = thelpers.screen_setup(nil, "['sh']", 30) + end + + curbufmeths.set_option('scrollback', 0) + if iswin() then + feed_data('for /L %I in (1,1,30) do @(echo line%I)\r') + else + feed_data('for i in $(seq 1 30); do echo "line$i"; done\n') + end + screen:expect{any='line30 '} + retry(nil, nil, function() expect_lines(7) end) + + screen:detach() + end) + + it('deletes lines (only) if necessary', function() + local screen + if iswin() then + command([[let $PROMPT='$$']]) + screen = thelpers.screen_setup(nil, "['cmd.exe']", 30) + else + screen = thelpers.screen_setup(nil, "['sh']", 30) + end + + curbufmeths.set_option('scrollback', 200) + + -- Wait for prompt. + screen:expect{any='%$'} + + if iswin() then + feed_data('for /L %I in (1,1,30) do @(echo line%I)\r') + else + feed_data('for i in $(seq 1 30); do echo "line$i"; done\n') + end + + screen:expect{any='line30 '} + + retry(nil, nil, function() expect_lines(33, 2) end) + curbufmeths.set_option('scrollback', 10) + wait() + retry(nil, nil, function() expect_lines(16) end) + curbufmeths.set_option('scrollback', 10000) + retry(nil, nil, function() expect_lines(16) end) + -- Terminal job data is received asynchronously, may happen before the + -- 'scrollback' option is synchronized with the internal sb_buffer. + command('sleep 100m') + if iswin() then + feed_data('for /L %I in (1,1,40) do @(echo line%I)\r') + else + feed_data('for i in $(seq 1 40); do echo "line$i"; done\n') + end + + screen:expect{any='line40 '} + + retry(nil, nil, function() expect_lines(58) end) + -- Verify off-screen state + eq((iswin() and 'line36' or 'line35'), eval("getline(line('w0') - 1)")) + eq((iswin() and 'line27' or 'line26'), eval("getline(line('w0') - 10)")) + + screen:detach() + end) + + it('defaults to 10000 in terminal buffers', function() + set_fake_shell() + command('terminal') + eq(10000, curbufmeths.get_option('scrollback')) + end) + + it('error if set to invalid value', 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() + command('new') + eq(-1, curbufmeths.get_option('scrollback')) + end) + + it(':setlocal in a normal buffer is an error', function() + command('new') + + -- :setlocal to -1 is NOT an error. + feed_command('setlocal scrollback=-1') + eq(nil, string.match(eval("v:errmsg"), "E%d*:")) + feed('<CR>') + + -- :setlocal to anything except -1 is an error. + feed_command('setlocal scrollback=42') + feed('<CR>') + eq('E474:', string.match(eval("v:errmsg"), "E%d*:")) + eq(-1, curbufmeths.get_option('scrollback')) + end) + + it(':set updates local value and global default', function() + set_fake_shell() + command('set scrollback=42') -- set global and (attempt) local + eq(-1, curbufmeths.get_option('scrollback')) -- normal buffer: -1 + command('terminal') + eq(42, curbufmeths.get_option('scrollback')) -- inherits global default + command('setlocal scrollback=99') + eq(99, curbufmeths.get_option('scrollback')) + command('set scrollback<') -- reset to global default + eq(42, curbufmeths.get_option('scrollback')) + command('setglobal scrollback=734') -- new global default + eq(42, curbufmeths.get_option('scrollback')) -- local value did not change + command('terminal') + eq(734, curbufmeths.get_option('scrollback')) + end) + +end) |