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api: call multiple methods atomically (useful in async contexts)

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remove unused response_id parameter of handle_nvim_... helpers
This commit is contained in:
Björn Linse
2016-04-13 16:37:09 +02:00
parent 9d4fcec7c6
commit f6968dc0f7
9 changed files with 184 additions and 10 deletions
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88
test/functional/api/vim_spec.lua
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@@ -298,6 +298,94 @@ describe('vim_* functions', function()
end)
end)
describe('call_atomic', function()
it('works', function()
meths.buf_set_lines(0, 0, -1, true, {'first'})
local req = {
{'nvim_get_current_line', {}},
{'nvim_set_current_line', {'second'}},
}
eq({{'first', NIL}, NIL}, meths.call_atomic(req))
eq({'second'}, meths.buf_get_lines(0, 0, -1, true))
end)
it('allows multiple return values', function()
local req = {
{'nvim_set_var', {'avar', true}},
{'nvim_set_var', {'bvar', 'string'}},
{'nvim_get_var', {'avar'}},
{'nvim_get_var', {'bvar'}},
}
eq({{NIL, NIL, true, 'string'}, NIL}, meths.call_atomic(req))
end)
it('is aborted by errors in call', function()
local error_types = meths.get_api_info()[2].error_types
local req = {
{'nvim_set_var', {'one', 1}},
{'nvim_buf_set_lines', {}},
{'nvim_set_var', {'two', 2}},
}
eq({{NIL}, {1, error_types.Exception.id,
'Wrong number of arguments: expecting 5 but got 0'}},
meths.call_atomic(req))
eq(1, meths.get_var('one'))
eq(false, pcall(meths.get_var, 'two'))
-- still returns all previous successful calls
req = {
{'nvim_set_var', {'avar', 5}},
{'nvim_set_var', {'bvar', 'string'}},
{'nvim_get_var', {'avar'}},
{'nvim_buf_get_lines', {0, 10, 20, true}},
{'nvim_get_var', {'bvar'}},
}
eq({{NIL, NIL, 5}, {3, error_types.Validation.id, 'Index out of bounds'}},
meths.call_atomic(req))
req = {
{'i_am_not_a_method', {'xx'}},
{'nvim_set_var', {'avar', 10}},
}
eq({{}, {0, error_types.Exception.id, 'Invalid method name'}},
meths.call_atomic(req))
eq(5, meths.get_var('avar'))
end)
it('throws error on malformated arguments', function()
local req = {
{'nvim_set_var', {'avar', 1}},
{'nvim_set_var'},
{'nvim_set_var', {'avar', 2}},
}
local status, err = pcall(meths.call_atomic, req)
eq(false, status)
ok(err:match(' All items in calls array must be arrays of size 2') ~= nil)
-- call before was done, but not after
eq(1, meths.get_var('avar'))
req = {
{'nvim_set_var', {'bvar', {2,3}}},
12,
}
status, err = pcall(meths.call_atomic, req)
eq(false, status)
ok(err:match('All items in calls array must be arrays') ~= nil)
eq({2,3}, meths.get_var('bvar'))
req = {
{'nvim_set_current_line', 'little line'},
{'nvim_set_var', {'avar', 3}},
}
status, err = pcall(meths.call_atomic, req)
eq(false, status)
ok(err:match('args must be Array') ~= nil)
-- call before was done, but not after
eq(1, meths.get_var('avar'))
eq({''}, meths.buf_get_lines(0, 0, -1, true))
end)
end)
it('can throw exceptions', function()
local status, err = pcall(nvim, 'get_option', 'invalid-option')
eq(false, status)