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6d8c8b18d5
Problem: The magic globals `it`, `describe`, etc., are more trouble than they are worth. - Hooking into `after_each` requires `getfenv()` hacks. - They confuse luals/emmylua, because the top-level `.luarc.json` isn't merged with `test/.luarc.json` (apparently a luals limitation?) - They totally defeat discoverability because the user just has to "know" about the various magic symbols. So they harm DX, which means they serve no purpose at all. Solution: - Expose the test API from `testutil`, so tests can call `t.it()`, `t.describe()`, etc., in the conventional way. - Drop `getfenv()` hacks. - Drop the `setfenv()` injection in `load_chunk`. - Drop `test/_meta.lua`.
161 lines
5.8 KiB
Lua
161 lines
5.8 KiB
Lua
local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local Screen = require('test.functional.ui.screen')
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local describe, it, before_each = t.describe, t.it, t.before_each
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local clear = n.clear
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local api = n.api
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local eq = t.eq
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local poke_eventloop = n.poke_eventloop
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local assert_alive = n.assert_alive
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local CSI = '\027['
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describe(':terminal synchronized output (mode 2026)', function()
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local screen, chan, buf
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before_each(function()
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clear()
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screen = Screen.new(50, 7)
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buf = api.nvim_create_buf(true, true)
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chan = api.nvim_open_term(buf, {})
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api.nvim_win_set_buf(0, buf)
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end)
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it('renders content sent inside a synchronized update', function()
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api.nvim_chan_send(chan, CSI .. '?2026h')
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api.nvim_chan_send(chan, 'synced line 1\r\n')
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api.nvim_chan_send(chan, 'synced line 2\r\n')
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api.nvim_chan_send(chan, CSI .. '?2026l')
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screen:expect([[
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^synced line 1 |
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synced line 2 |
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|*4
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]])
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end)
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it('renders all lines from a synchronized update', function()
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api.nvim_chan_send(chan, CSI .. '?2026h')
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for i = 1, 5 do
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api.nvim_chan_send(chan, 'line ' .. i .. '\r\n')
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end
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api.nvim_chan_send(chan, CSI .. '?2026l')
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screen:expect([[
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^line 1 |
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line 2 |
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line 3 |
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line 4 |
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line 5 |
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]])
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-- Buffer lines should also match.
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local lines = api.nvim_buf_get_lines(buf, 0, -1, true)
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eq('line 1', lines[1])
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eq('line 2', lines[2])
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eq('line 5', lines[5])
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end)
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it('handles multiple synchronized update cycles', function()
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-- First cycle.
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api.nvim_chan_send(chan, CSI .. '?2026h')
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api.nvim_chan_send(chan, 'cycle 1\r\n')
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api.nvim_chan_send(chan, CSI .. '?2026l')
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screen:expect([[
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^cycle 1 |
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|*5
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]])
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-- Second cycle.
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api.nvim_chan_send(chan, CSI .. '?2026h')
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api.nvim_chan_send(chan, 'cycle 2\r\n')
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api.nvim_chan_send(chan, CSI .. '?2026l')
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screen:expect([[
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^cycle 1 |
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cycle 2 |
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|*4
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]])
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end)
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it('works with content before and after sync', function()
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-- Unsynchronized content.
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api.nvim_chan_send(chan, 'before\r\n')
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poke_eventloop()
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screen:expect([[
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^before |
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|*5
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]])
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-- Synchronized content.
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api.nvim_chan_send(chan, CSI .. '?2026h')
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api.nvim_chan_send(chan, 'during\r\n')
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api.nvim_chan_send(chan, CSI .. '?2026l')
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screen:expect([[
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^before |
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during |
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|*4
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]])
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-- More unsynchronized content.
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api.nvim_chan_send(chan, 'after\r\n')
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screen:expect([[
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^before |
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during |
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after |
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|*3
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]])
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end)
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it('does not crash when mode 2026 is set and queried', function()
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api.nvim_chan_send(chan, CSI .. '?2026h')
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assert_alive()
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api.nvim_chan_send(chan, CSI .. '?2026l')
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assert_alive()
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end)
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it('defers screen update during sync mode', function()
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-- Establish a known screen state first.
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api.nvim_chan_send(chan, 'visible\r\n')
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screen:expect([[
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^visible |
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|*5
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]])
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-- Begin sync and send more content — screen should not change.
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api.nvim_chan_send(chan, CSI .. '?2026h')
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api.nvim_chan_send(chan, 'deferred\r\n')
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screen:expect_unchanged()
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-- End sync — now the deferred content should appear.
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api.nvim_chan_send(chan, CSI .. '?2026l')
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screen:expect([[
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^visible |
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deferred |
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|*4
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]])
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end)
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it('handles rapid sync on/off toggling', function()
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for i = 1, 5 do
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api.nvim_chan_send(chan, CSI .. '?2026h')
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api.nvim_chan_send(chan, 'rapid ' .. i .. '\r\n')
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api.nvim_chan_send(chan, CSI .. '?2026l')
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end
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screen:expect([[
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^rapid 1 |
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rapid 2 |
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rapid 3 |
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rapid 4 |
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rapid 5 |
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]])
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end)
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end)
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