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tests: unit: NVIM_TEST_TRACE_LEVEL: default to 0 #11144

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Traces are not useful normally (unless debugging/fixing tests), but only add
overhead.  Disable them by default.
This commit is contained in:
Daniel Hahler 2019-10-03 07:41:57 +02:00 committed by Justin M. Keyes
parent 3d3c783fea
commit b069e9b20f
2 changed files with 8 additions and 7 deletions
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11
test/README.md
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@ -315,11 +315,12 @@ Number; !must be defined to function properly):
- `NVIM_TEST_RUN_TESTTEST` (U) (1): allows running - `NVIM_TEST_RUN_TESTTEST` (U) (1): allows running
`test/unit/testtest_spec.lua` used to check how testing infrastructure works. `test/unit/testtest_spec.lua` used to check how testing infrastructure works.
- `NVIM_TEST_TRACE_LEVEL` (U) (N): specifies unit tests tracing level: `0` - `NVIM_TEST_TRACE_LEVEL` (U) (N): specifies unit tests tracing level:
disables tracing (the fastest, but you get no data if tests crash and there - `0` disables tracing (the fastest, but you get no data if tests crash and
was no core dump generated), `1` or empty/undefined leaves only C function there no core dump was generated),
cals and returns in the trace (faster then recording everything), `2` records - `1` leaves only C function calls and returns in the trace (faster than
all function calls, returns and lua source lines exuecuted. recording everything),
- `2` records all function calls, returns and executed Lua source lines.
- `NVIM_TEST_TRACE_ON_ERROR` (U) (1): makes unit tests yield trace on error in - `NVIM_TEST_TRACE_ON_ERROR` (U) (1): makes unit tests yield trace on error in
addition to regular error message. addition to regular error message.

4
test/unit/helpers.lua
View File

@ -545,7 +545,7 @@ local tracehelp = dedent([[
local function child_sethook(wr) local function child_sethook(wr)
local trace_level = os.getenv('NVIM_TEST_TRACE_LEVEL') local trace_level = os.getenv('NVIM_TEST_TRACE_LEVEL')
if not trace_level or trace_level == '' then if not trace_level or trace_level == '' then
trace_level = 1 trace_level = 0
else else
trace_level = tonumber(trace_level) trace_level = tonumber(trace_level)
end end
@ -708,7 +708,7 @@ local function check_child_err(rd)
local eres = sc.read(rd, 2) local eres = sc.read(rd, 2)
if eres ~= '$\n' then if eres ~= '$\n' then
if #trace == 0 then if #trace == 0 then
err = '\nTest crashed, no trace available\n' err = '\nTest crashed, no trace available (check NVIM_TEST_TRACE_LEVEL)\n'
else else
err = '\nTest crashed, trace:\n' .. tracehelp err = '\nTest crashed, trace:\n' .. tracehelp
for i = 1, #trace do for i = 1, #trace do