1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
-- Test suite for checking :lua* commands
local helpers = require('test.functional.helpers')(after_each)
local Screen = require('test.functional.ui.screen')
local eq = helpers.eq
local NIL = helpers.NIL
local eval = helpers.eval
local feed = helpers.feed
local clear = helpers.clear
local meths = helpers.meths
local funcs = helpers.funcs
local source = helpers.source
local dedent = helpers.dedent
local command = helpers.command
local exc_exec = helpers.exc_exec
local pcall_err = helpers.pcall_err
local write_file = helpers.write_file
local exec_capture = helpers.exec_capture
local curbufmeths = helpers.curbufmeths
local remove_trace = helpers.remove_trace
before_each(clear)
describe(':lua command', function()
it('works', function()
eq('', exec_capture(
'lua vim.api.nvim_buf_set_lines(1, 1, 2, false, {"TEST"})'))
eq({'', 'TEST'}, curbufmeths.get_lines(0, 100, false))
source(dedent([[
lua << EOF
vim.api.nvim_buf_set_lines(1, 1, 2, false, {"TSET"})
EOF]]))
eq({'', 'TSET'}, curbufmeths.get_lines(0, 100, false))
source(dedent([[
lua << EOF
vim.api.nvim_buf_set_lines(1, 1, 2, false, {"SETT"})]]))
eq({'', 'SETT'}, curbufmeths.get_lines(0, 100, false))
source(dedent([[
lua << EOF
vim.api.nvim_buf_set_lines(1, 1, 2, false, {"ETTS"})
vim.api.nvim_buf_set_lines(1, 2, 3, false, {"TTSE"})
vim.api.nvim_buf_set_lines(1, 3, 4, false, {"STTE"})
EOF]]))
eq({'', 'ETTS', 'TTSE', 'STTE'}, curbufmeths.get_lines(0, 100, false))
end)
it('throws catchable errors', function()
eq([[Vim(lua):E5107: Error loading lua [string ":lua"]:0: unexpected symbol near ')']],
pcall_err(command, 'lua ()'))
eq([[Vim(lua):E5108: Error executing lua [string ":lua"]:1: TEST]],
remove_trace(exc_exec('lua error("TEST")')))
eq([[Vim(lua):E5108: Error executing lua [string ":lua"]:1: Invalid buffer id: -10]],
remove_trace(exc_exec('lua vim.api.nvim_buf_set_lines(-10, 1, 1, false, {"TEST"})')))
eq({''}, curbufmeths.get_lines(0, 100, false))
end)
it('works with NULL errors', function()
eq([=[Vim(lua):E5108: Error executing lua [NULL]]=],
exc_exec('lua error(nil)'))
end)
it('accepts embedded NLs without heredoc', function()
-- Such code is usually used for `:execute 'lua' {generated_string}`:
-- heredocs do not work in this case.
meths.command([[
lua
vim.api.nvim_buf_set_lines(1, 1, 2, false, {"ETTS"})
vim.api.nvim_buf_set_lines(1, 2, 3, false, {"TTSE"})
vim.api.nvim_buf_set_lines(1, 3, 4, false, {"STTE"})
]])
eq({'', 'ETTS', 'TTSE', 'STTE'}, curbufmeths.get_lines(0, 100, false))
end)
it('preserves global and not preserves local variables', function()
eq('', exec_capture('lua gvar = 42'))
eq('', exec_capture('lua local lvar = 100500'))
eq(NIL, funcs.luaeval('lvar'))
eq(42, funcs.luaeval('gvar'))
end)
it('works with long strings', function()
local s = ('x'):rep(100500)
eq('Vim(lua):E5107: Error loading lua [string ":lua"]:0: unfinished string near \'<eof>\'',
pcall_err(command, ('lua vim.api.nvim_buf_set_lines(1, 1, 2, false, {"%s})'):format(s)))
eq({''}, curbufmeths.get_lines(0, -1, false))
eq('', exec_capture(('lua vim.api.nvim_buf_set_lines(1, 1, 2, false, {"%s"})'):format(s)))
eq({'', s}, curbufmeths.get_lines(0, -1, false))
end)
it('can show multiline error messages', function()
local screen = Screen.new(40,10)
screen:attach()
screen:set_default_attr_ids({
[1] = {bold = true, foreground = Screen.colors.Blue1},
[2] = {bold = true, reverse = true},
[3] = {foreground = Screen.colors.Grey100, background = Screen.colors.Red},
[4] = {bold = true, foreground = Screen.colors.SeaGreen4},
})
feed(':lua error("fail\\nmuch error\\nsuch details")<cr>')
screen:expect{grid=[[
{2: }|
{3:E5108: Error executing lua [string ":lua}|
{3:"]:1: fail} |
{3:much error} |
{3:such details} |
{3:stack traceback:} |
{3: [C]: in function 'error'} |
{3: [string ":lua"]:1: in main chunk}|
|
{4:Press ENTER or type command to continue}^ |
]]}
feed('<cr>')
screen:expect{grid=[[
^ |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]]}
eq('E5108: Error executing lua [string ":lua"]:1: fail\nmuch error\nsuch details', remove_trace(eval('v:errmsg')))
local status, err = pcall(command,'lua error("some error\\nin a\\nAPI command")')
local expected = 'Vim(lua):E5108: Error executing lua [string ":lua"]:1: some error\nin a\nAPI command'
eq(false, status)
eq(expected, string.sub(remove_trace(err), -string.len(expected)))
feed(':messages<cr>')
screen:expect{grid=[[
{2: }|
{3:E5108: Error executing lua [string ":lua}|
{3:"]:1: fail} |
{3:much error} |
{3:such details} |
{3:stack traceback:} |
{3: [C]: in function 'error'} |
{3: [string ":lua"]:1: in main chunk}|
|
{4:Press ENTER or type command to continue}^ |
]]}
end)
it('Can print results of =expr', function()
helpers.exec_lua("x = 5")
eq("5", helpers.exec_capture(':lua =x'))
helpers.exec_lua("function x() return 'hello' end")
eq([["hello"]], helpers.exec_capture(':lua = x()'))
helpers.exec_lua("x = {a = 1, b = 2}")
eq("{\n a = 1,\n b = 2\n}", helpers.exec_capture(':lua =x'))
helpers.exec_lua([[function x(success)
if success then
return true, "Return value"
else
return false, nil, "Error message"
end
end]])
eq([[true "Return value"]], helpers.exec_capture(':lua =x(true)'))
eq([[false nil "Error message"]], helpers.exec_capture(':lua =x(false)'))
end)
end)
describe(':luado command', function()
it('works', function()
curbufmeths.set_lines(0, 1, false, {"ABC", "def", "gHi"})
eq('', exec_capture('luado lines = (lines or {}) lines[#lines + 1] = {linenr, line}'))
eq({'ABC', 'def', 'gHi'}, curbufmeths.get_lines(0, -1, false))
eq({{1, 'ABC'}, {2, 'def'}, {3, 'gHi'}}, funcs.luaeval('lines'))
-- Automatic transformation of numbers
eq('', exec_capture('luado return linenr'))
eq({'1', '2', '3'}, curbufmeths.get_lines(0, -1, false))
eq('', exec_capture('luado return ("<%02x>"):format(line:byte())'))
eq({'<31>', '<32>', '<33>'}, curbufmeths.get_lines(0, -1, false))
end)
it('stops processing lines when suddenly out of lines', function()
curbufmeths.set_lines(0, 1, false, {"ABC", "def", "gHi"})
eq('', exec_capture('2,$luado runs = ((runs or 0) + 1) vim.api.nvim_command("%d")'))
eq({''}, curbufmeths.get_lines(0, -1, false))
eq(1, funcs.luaeval('runs'))
end)
it('works correctly when changing lines out of range', function()
curbufmeths.set_lines(0, 1, false, {"ABC", "def", "gHi"})
eq('Vim(luado):E322: line number out of range: 1 past the end',
pcall_err(command, '2,$luado vim.api.nvim_command("%d") return linenr'))
eq({''}, curbufmeths.get_lines(0, -1, false))
end)
it('fails on errors', function()
eq([[Vim(luado):E5109: Error loading lua: [string ":luado"]:0: unexpected symbol near ')']],
pcall_err(command, 'luado ()'))
eq([[Vim(luado):E5111: Error calling lua: [string ":luado"]:0: attempt to perform arithmetic on global 'liness' (a nil value)]],
pcall_err(command, 'luado return liness + 1'))
end)
it('works with NULL errors', function()
eq([=[Vim(luado):E5111: Error calling lua: [NULL]]=],
exc_exec('luado error(nil)'))
end)
it('fails in sandbox when needed', function()
curbufmeths.set_lines(0, 1, false, {"ABC", "def", "gHi"})
eq('Vim(luado):E48: Not allowed in sandbox',
pcall_err(command, 'sandbox luado runs = (runs or 0) + 1'))
eq(NIL, funcs.luaeval('runs'))
end)
it('works with long strings', function()
local s = ('x'):rep(100500)
eq('Vim(luado):E5109: Error loading lua: [string ":luado"]:0: unfinished string near \'<eof>\'',
pcall_err(command, ('luado return "%s'):format(s)))
eq({''}, curbufmeths.get_lines(0, -1, false))
eq('', exec_capture(('luado return "%s"'):format(s)))
eq({s}, curbufmeths.get_lines(0, -1, false))
end)
end)
describe(':luafile', function()
local fname = 'Xtest-functional-lua-commands-luafile'
after_each(function()
os.remove(fname)
end)
it('works', function()
write_file(fname, [[
vim.api.nvim_buf_set_lines(1, 1, 2, false, {"ETTS"})
vim.api.nvim_buf_set_lines(1, 2, 3, false, {"TTSE"})
vim.api.nvim_buf_set_lines(1, 3, 4, false, {"STTE"})
]])
eq('', exec_capture('luafile ' .. fname))
eq({'', 'ETTS', 'TTSE', 'STTE'}, curbufmeths.get_lines(0, 100, false))
end)
it('correctly errors out', function()
write_file(fname, '()')
eq(("Vim(luafile):E5112: Error while creating lua chunk: %s:1: unexpected symbol near ')'"):format(fname),
exc_exec('luafile ' .. fname))
write_file(fname, 'vimm.api.nvim_buf_set_lines(1, 1, 2, false, {"ETTS"})')
eq(("Vim(luafile):E5113: Error while calling lua chunk: %s:1: attempt to index global 'vimm' (a nil value)"):format(fname),
remove_trace(exc_exec('luafile ' .. fname)))
end)
it('works with NULL errors', function()
write_file(fname, 'error(nil)')
eq([=[Vim(luafile):E5113: Error while calling lua chunk: [NULL]]=],
exc_exec('luafile ' .. fname))
end)
end)
|
