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			113 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			113 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
local helpers = require('test.functional.helpers')(after_each)
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local assert_log = helpers.assert_log
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local eq, clear, eval, command, next_msg =
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  helpers.eq, helpers.clear, helpers.eval, helpers.command, helpers.next_msg
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local api = helpers.api
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local exec_lua = helpers.exec_lua
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local retry = helpers.retry
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local assert_alive = helpers.assert_alive
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local testlog = 'Xtest-server-notify-log'
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describe('notify', function()
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  local channel
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  before_each(function()
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    clear()
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    channel = api.nvim_get_api_info()[1]
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  end)
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  after_each(function()
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    os.remove(testlog)
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  end)
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  describe('passing a valid channel id', function()
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    it('sends the notification/args to the corresponding channel', function()
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      eval('rpcnotify(' .. channel .. ', "test-event", 1, 2, 3)')
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      eq({ 'notification', 'test-event', { 1, 2, 3 } }, next_msg())
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      command('au FileType lua call rpcnotify(' .. channel .. ', "lua!")')
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      command('set filetype=lua')
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      eq({ 'notification', 'lua!', {} }, next_msg())
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    end)
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  end)
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  describe('passing 0 as the channel id', function()
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    it('sends the notification/args to all subscribed channels', function()
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      api.nvim_subscribe('event2')
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      eval('rpcnotify(0, "event1", 1, 2, 3)')
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      eval('rpcnotify(0, "event2", 4, 5, 6)')
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      eval('rpcnotify(0, "event2", 7, 8, 9)')
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      eq({ 'notification', 'event2', { 4, 5, 6 } }, next_msg())
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      eq({ 'notification', 'event2', { 7, 8, 9 } }, next_msg())
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      api.nvim_unsubscribe('event2')
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      api.nvim_subscribe('event1')
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      eval('rpcnotify(0, "event2", 10, 11, 12)')
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      eval('rpcnotify(0, "event1", 13, 14, 15)')
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      eq({ 'notification', 'event1', { 13, 14, 15 } }, next_msg())
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    end)
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    it('does not crash for deeply nested variable', function()
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      api.nvim_set_var('l', {})
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      local nest_level = 1000
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      command(('call map(range(%u), "extend(g:, {\'l\': [g:l]})")'):format(nest_level - 1))
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      eval('rpcnotify(' .. channel .. ', "event", g:l)')
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      local msg = next_msg()
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      eq('notification', msg[1])
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      eq('event', msg[2])
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      local act_ret = msg[3]
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      local act_nest_level = 0
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      while act_ret do
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        if type(act_ret) == 'table' then
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          local cur_act_ret = nil
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          for k, v in pairs(act_ret) do
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            eq(1, k)
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            cur_act_ret = v
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          end
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          if cur_act_ret then
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            act_nest_level = act_nest_level + 1
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          end
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          act_ret = cur_act_ret
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        else
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          eq(nil, act_ret)
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        end
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      end
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      eq(nest_level, act_nest_level)
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    end)
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  end)
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  it('unsubscribe non-existing event #8745', function()
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    clear { env = {
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      NVIM_LOG_FILE = testlog,
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    } }
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    api.nvim_subscribe('event1')
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    api.nvim_unsubscribe('doesnotexist')
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    assert_log("tried to unsubscribe unknown event 'doesnotexist'", testlog, 10)
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    api.nvim_unsubscribe('event1')
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    assert_alive()
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  end)
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  it('cancels stale events on channel close', function()
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    local catchan = eval("jobstart(['cat'], {'rpc': v:true})")
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    local catpath = eval('exepath("cat")')
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    eq(
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      { id = catchan, argv = { catpath }, stream = 'job', mode = 'rpc', client = {} },
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      exec_lua(
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        [[
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      vim.rpcnotify(..., "nvim_call_function", 'chanclose', {..., 'rpc'})
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      vim.rpcnotify(..., "nvim_subscribe", "daily_rant")
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      return vim.api.nvim_get_chan_info(...)
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    ]],
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        catchan
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      )
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    )
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    assert_alive()
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    eq(
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      { false, 'Invalid channel: ' .. catchan },
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      exec_lua([[ return {pcall(vim.rpcrequest, ..., 'nvim_eval', '1+1')}]], catchan)
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    )
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    retry(nil, 3000, function()
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      eq({}, api.nvim_get_chan_info(catchan))
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    end) -- cat be dead :(
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  end)
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end)
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