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	Specifically, functions that are run in the context of the test runner are put in module `test/testutil.lua` while the functions that are run in the context of the test session are put in `test/functional/testnvim.lua`. Closes https://github.com/neovim/neovim/issues/27004.
		
			
				
	
	
		
			124 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local clear = n.clear
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local exec_lua = n.exec_lua
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local eq = t.eq
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local function system_sync(cmd, opts)
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  return exec_lua(
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    [[
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    local cmd, opts = ...
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    local obj = vim.system(...)
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    if opts.timeout then
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      -- Minor delay before calling wait() so the timeout uv timer can have a headstart over the
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      -- internal call to vim.wait() in wait().
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      vim.wait(10)
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    end
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    local res = obj:wait()
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    -- Check the process is no longer running
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    local proc = vim.api.nvim_get_proc(obj.pid)
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    assert(not proc, 'process still exists')
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    return res
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  ]],
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    cmd,
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    opts
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  )
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end
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local function system_async(cmd, opts)
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  return exec_lua(
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    [[
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    local cmd, opts = ...
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    _G.done = false
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    local obj = vim.system(cmd, opts, function(obj)
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      _G.done = true
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      _G.ret = obj
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    end)
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    local ok = vim.wait(10000, function()
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      return _G.done
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    end)
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    assert(ok, 'process did not exit')
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    -- Check the process is no longer running
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    local proc = vim.api.nvim_get_proc(obj.pid)
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    assert(not proc, 'process still exists')
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    return _G.ret
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  ]],
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    cmd,
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    opts
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  )
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end
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describe('vim.system', function()
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  before_each(function()
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    clear()
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  end)
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  for name, system in pairs { sync = system_sync, async = system_async } do
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    describe('(' .. name .. ')', function()
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      it('can run simple commands', function()
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        eq('hello\n', system({ 'echo', 'hello' }, { text = true }).stdout)
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      end)
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      it('handle input', function()
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        eq('hellocat', system({ 'cat' }, { stdin = 'hellocat', text = true }).stdout)
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      end)
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      it('supports timeout', function()
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        eq({
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          code = 124,
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          signal = 15,
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          stdout = '',
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          stderr = '',
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        }, system({ 'sleep', '10' }, { timeout = 1000 }))
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      end)
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    end)
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  end
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  it('kill processes', function()
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    exec_lua([[
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      local signal
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      local cmd = vim.system({ 'cat', '-' }, { stdin = true }, function(r)
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        signal = r.signal
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      end) -- run forever
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      cmd:kill('sigint')
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      -- wait for the process not to exist
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      local done = vim.wait(2000, function()
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        return signal ~= nil
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      end)
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      assert(done, 'process did not exit')
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      -- Check the process is no longer running
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      local proc = vim.api.nvim_get_proc(cmd.pid)
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      assert(not proc, 'process still exists')
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      assert(signal == 2)
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    ]])
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  end)
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  it('SystemObj:wait() does not process non-fast events #27292', function()
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    eq(
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      false,
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      exec_lua([[
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        _G.processed = false
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        local cmd = vim.system({ 'sleep', '1' })
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        vim.schedule(function() _G.processed = true end)
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        cmd:wait()
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        return _G.processed
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      ]])
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    )
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    eq(true, exec_lua([[return _G.processed]]))
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  end)
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end)
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