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vim-patch:8.1.0460: assert_fails() message argument #11051

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Problem:    assert_fails() does not take a message argument
Solution:   Add the argument.
1307d1c003
This commit is contained in:
Jan Edmund Lazo 2019-09-21 17:03:46 -04:00 committed by Justin M. Keyes
parent d6f658e38f
commit b3e56957f8
3 changed files with 25 additions and 6 deletions
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9
src/nvim/eval.c
View File

@ -7076,7 +7076,7 @@ static void f_assert_exception(typval_T *argvars, typval_T *rettv, FunPtr fptr)
rettv->vval.v_number = assert_exception(argvars);
}
/// "assert_fails(cmd [, error])" function
/// "assert_fails(cmd [, error [, msg]])" function
static void f_assert_fails(typval_T *argvars, typval_T *rettv, FunPtr fptr)
{
const char *const cmd = tv_get_string_chk(&argvars[0]);
@ -7094,7 +7094,14 @@ static void f_assert_fails(typval_T *argvars, typval_T *rettv, FunPtr fptr)
if (!called_emsg) {
prepare_assert_error(&ga);
ga_concat(&ga, (const char_u *)"command did not fail: ");
if (argvars[1].v_type != VAR_UNKNOWN
&& argvars[2].v_type != VAR_UNKNOWN) {
char *const tofree = encode_tv2echo(&argvars[2], NULL);
ga_concat(&ga, (char_u *)tofree);
xfree(tofree);
} else {
ga_concat(&ga, (const char_u *)cmd);
}
assert_error(&ga);
ga_clear(&ga);
ret = 1;

2
src/nvim/eval.lua
View File

@ -30,7 +30,7 @@ return {
assert_equal={args={2, 3}},
assert_equalfile={args=2},
assert_exception={args={1, 2}},
assert_fails={args={1, 2}},
assert_fails={args={1, 3}},
assert_false={args={1, 2}},
assert_inrange={args={3, 4}},
assert_match={args={2, 3}},

18
test/functional/legacy/assert_spec.lua
View File

@ -3,6 +3,7 @@ local nvim, call = helpers.meths, helpers.call
local clear, eq = helpers.clear, helpers.eq
local source, command = helpers.source, helpers.command
local exc_exec = helpers.exc_exec
local eval = helpers.eval
local function expected_errors(errors)
eq(errors, nvim.get_vvar('errors'))
@ -233,20 +234,31 @@ describe('assert function:', function()
-- assert_fails({cmd}, [, {error}])
describe('assert_fails', function()
it('should change v:errors when error does not match v:errmsg', function()
command([[call assert_fails('xxx', {})]])
eq(1, eval([[assert_fails('xxx', {})]]))
command([[call assert_match("Expected {} but got 'E731:", v:errors[0])]])
expected_errors({"Expected {} but got 'E731: using Dictionary as a String'"})
end)
it('should not change v:errors when cmd errors', function()
call('assert_fails', 'NonexistentCmd')
eq(0, eval([[assert_fails('NonexistentCmd')]]))
expected_empty()
end)
it('should change v:errors when cmd succeeds', function()
call('assert_fails', 'call empty("")')
eq(1, eval([[assert_fails('call empty("")', '')]]))
expected_errors({'command did not fail: call empty("")'})
end)
it('can specify and get a message about what failed', function()
eq(1, eval([[assert_fails('xxx', {}, 'stupid')]]))
command([[call assert_match("stupid: Expected {} but got 'E731:", v:errors[0])]])
expected_errors({"stupid: Expected {} but got 'E731: using Dictionary as a String'"})
end)
it('can specify and get a message even when cmd succeeds', function()
eq(1, eval([[assert_fails('echo', '', 'echo command')]]))
expected_errors({'command did not fail: echo command'})
end)
end)
-- assert_inrange({lower}, {upper}, {actual}[, {msg}])