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test: improve mapping tests and docs (#19619)

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This commit is contained in:
zeertzjq
2022-08-02 11:13:22 +08:00
committed by GitHub
parent 9c91d5c613
commit 0a049c322f
8 changed files with 50 additions and 38 deletions
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27
test/functional/api/keymap_spec.lua
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@@ -523,6 +523,11 @@ describe('nvim_set_keymap, nvim_del_keymap', function()
pcall_err(meths.set_keymap, 'n', 'lhs', 'rhs', {buffer = true}))
end)
it('error when "replace_keycodes" is used without "expr"', function()
eq('"replace_keycodes" requires "expr"',
pcall_err(meths.set_keymap, 'n', 'lhs', 'rhs', {replace_keycodes = true}))
end)
local optnames = {'nowait', 'silent', 'script', 'expr', 'unique'}
for _, opt in ipairs(optnames) do
-- note: need '%' to escape hyphens, which have special meaning in lua
@@ -842,14 +847,14 @@ describe('nvim_set_keymap, nvim_del_keymap', function()
eq(generate_mapargs('n', 'asdf', nil, {sid=sid_lua}), mapargs)
end)
it('can make lua expr mappings', function()
it('can make lua expr mappings replacing keycodes', function()
exec_lua [[
vim.api.nvim_set_keymap ('n', 'aa', '', {callback = function() return ':lua SomeValue = 99<cr>' end, expr = true, replace_keycodes = true })
vim.api.nvim_set_keymap ('n', 'aa', '', {callback = function() return '<Insert>π<C-V><M-π>foo<lt><Esc>' end, expr = true, replace_keycodes = true })
]]
feed('aa')
eq(99, exec_lua[[return SomeValue]])
eq({'π<M-π>foo<'}, meths.buf_get_lines(0, 0, -1, false))
end)
it('can make lua expr mappings without replacing keycodes', function()
@@ -862,6 +867,16 @@ describe('nvim_set_keymap, nvim_del_keymap', function()
eq({'<space>'}, meths.buf_get_lines(0, 0, -1, false))
end)
it('lua expr mapping returning nil is equivalent to returnig an empty string', function()
exec_lua [[
vim.api.nvim_set_keymap ('i', 'aa', '', {callback = function() return nil end, expr = true })
]]
feed('iaa<esc>')
eq({''}, meths.buf_get_lines(0, 0, -1, false))
end)
it('does not reset pum in lua mapping', function()
eq(0, exec_lua [[
VisibleCount = 0
@@ -1050,14 +1065,14 @@ describe('nvim_buf_set_keymap, nvim_buf_del_keymap', function()
eq(1, exec_lua[[return GlobalCount]])
end)
it('can make lua expr mappings', function()
it('can make lua expr mappings replacing keycodes', function()
exec_lua [[
vim.api.nvim_buf_set_keymap (0, 'n', 'aa', '', {callback = function() return ':lua SomeValue = 99<cr>' end, expr = true, replace_keycodes = true })
vim.api.nvim_buf_set_keymap (0, 'n', 'aa', '', {callback = function() return '<Insert>π<C-V><M-π>foo<lt><Esc>' end, expr = true, replace_keycodes = true })
]]
feed('aa')
eq(99, exec_lua[[return SomeValue ]])
eq({'π<M-π>foo<'}, meths.buf_get_lines(0, 0, -1, false))
end)
it('can make lua expr mappings without replacing keycodes', function()