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authorZyX <kp-pav@yandex.ru>2017-09-26 23:13:55 +0300
committerZyX <kp-pav@yandex.ru>2017-09-29 01:21:13 +0300
commit190c8516f534499f89d610fc78a20c025386b2f2 (patch)
treecdf1c3e7d49ec476773c9001ca787102d1f1983d /test/unit/helpers.lua
parent520c0b91a528e7943bc6163a65de7adde387869b (diff)
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unittests: Add a way to print trace on regular error
Diffstat (limited to 'test/unit/helpers.lua')
-rw-r--r--test/unit/helpers.lua9
1 files changed, 8 insertions, 1 deletions
diff --git a/test/unit/helpers.lua b/test/unit/helpers.lua
index 4b9f185156..a629fca9a2 100644
--- a/test/unit/helpers.lua
+++ b/test/unit/helpers.lua
@@ -698,7 +698,14 @@ local function check_child_err(rd)
local len_s = sc.read(rd, 5)
local len = tonumber(len_s)
neq(0, len)
- local err = sc.read(rd, len + 1)
+ local err = ''
+ if os.getenv('NVIM_TEST_TRACE_ON_ERROR') == '1' and #trace ~= 0 then
+ err = '\nTest failed, trace:\n' .. tracehelp
+ for _, traceline in ipairs(trace) do
+ err = err .. traceline
+ end
+ end
+ err = err .. sc.read(rd, len + 1)
assert.just_fail(err)
end