neovim

Neovim text editor
git clone https://git.dasho.dev/neovim.git
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cursorhold_spec.lua (2737B)

      1 local t = require('test.testutil')
      2 local n = require('test.functional.testnvim')()
      3 
      4 local clear = n.clear
      5 local eq = t.eq
      6 local feed = n.feed
      7 local retry = t.retry
      8 local exec = n.source
      9 local sleep = vim.uv.sleep
     10 local api = n.api
     11 
     12 before_each(clear)
     13 
     14 describe('CursorHold', function()
     15  before_each(function()
     16    exec([[
     17      let g:cursorhold = 0
     18      augroup test
     19        au CursorHold * let g:cursorhold += 1
     20      augroup END
     21    ]])
     22  end)
     23 
     24  it('is triggered correctly #12587', function()
     25    local function test_cursorhold(fn, early)
     26      local ut = 2
     27      -- if testing with small 'updatetime' fails, double its value and test again
     28      retry(10, nil, function()
     29        ut = ut * 2
     30        api.nvim_set_option_value('updatetime', ut, {})
     31        feed('0') -- reset did_cursorhold
     32        api.nvim_set_var('cursorhold', 0)
     33        sleep(ut / 4)
     34        fn()
     35        eq(0, api.nvim_get_var('cursorhold'))
     36        sleep(ut / 2)
     37        fn()
     38        eq(0, api.nvim_get_var('cursorhold'))
     39        sleep(ut / 2)
     40        eq(early, api.nvim_get_var('cursorhold'))
     41        sleep(ut / 4 * 3)
     42        eq(1, api.nvim_get_var('cursorhold'))
     43      end)
     44    end
     45 
     46    local ignore_key = api.nvim_replace_termcodes('<Ignore>', true, true, true)
     47    test_cursorhold(function() end, 1)
     48    test_cursorhold(function()
     49      feed('')
     50    end, 1)
     51    test_cursorhold(function()
     52      api.nvim_feedkeys('', 'n', true)
     53    end, 1)
     54    test_cursorhold(function()
     55      feed('<Ignore>')
     56    end, 0)
     57    test_cursorhold(function()
     58      api.nvim_feedkeys(ignore_key, 'n', true)
     59    end, 0)
     60  end)
     61 
     62  it("reducing 'updatetime' while waiting for CursorHold #20241", function()
     63    api.nvim_set_option_value('updatetime', 10000, {})
     64    feed('0') -- reset did_cursorhold
     65    api.nvim_set_var('cursorhold', 0)
     66    sleep(50)
     67    eq(0, api.nvim_get_var('cursorhold'))
     68    api.nvim_set_option_value('updatetime', 20, {})
     69    sleep(10)
     70    eq(1, api.nvim_get_var('cursorhold'))
     71  end)
     72 
     73  it('is not triggered after only K_EVENT on startup', function()
     74    api.nvim_set_option_value('updatetime', 20, {})
     75    sleep(50)
     76    eq(0, api.nvim_get_var('cursorhold'))
     77    feed('0')
     78    sleep(50)
     79    eq(1, api.nvim_get_var('cursorhold'))
     80  end)
     81 end)
     82 
     83 describe('CursorHoldI', function()
     84  -- NOTE: since this test uses RPC it is not necessary to trigger the initial
     85  --       issue (#3757) via timer's or RPC callbacks in the first place.
     86  it('is triggered after input', function()
     87    exec([[
     88      set updatetime=1
     89 
     90      let g:cursorhold = 0
     91      augroup test
     92        au CursorHoldI * let g:cursorhold += 1
     93      augroup END
     94    ]])
     95    feed('ifoo')
     96    retry(5, nil, function()
     97      sleep(1)
     98      eq(1, api.nvim_get_var('cursorhold'))
     99    end)
    100  end)
    101 end)