completion_spec.lua

local helpers = require('test.functional.helpers')
local clear, feed, execute = helpers.clear, helpers.feed, helpers.execute
local eval, eq, neq = helpers.eval, helpers.eq, helpers.neq
local execute, source = helpers.execute, helpers.source

describe("completion", function()
  before_each(function()
    clear()
  end)

  describe("completeopt", function()
    it('inserts the first candidate if default', function()
      execute('set completeopt+=menuone')
      feed('ifoo<ESC>o<C-x><C-n>bar<ESC>')
      eq('foobar', eval('getline(2)'))
    end)
    it('selects the first candidate if noinsert', function()
      execute('set completeopt+=menuone,noinsert')
      feed('ifoo<ESC>o<C-x><C-n><C-y><ESC>')
      eq('foo', eval('getline(2)'))
    end)
    it('does not insert the first candidate if noselect', function()
      execute('set completeopt+=menuone,noselect')
      feed('ifoo<ESC>o<C-x><C-n>bar<ESC>')
      eq('bar', eval('getline(2)'))
    end)
    it('does not select/insert the first candidate if noselect and noinsert', function()
      execute('set completeopt+=menuone,noselect,noinsert')
      feed('ifoo<ESC>o<C-x><C-n><ESC>')
      eq('', eval('getline(2)'))
    end)
  end)
end)