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-rw-r--r--cmake/RunTests.cmake4
-rw-r--r--test/helpers.lua3
2 files changed, 4 insertions, 3 deletions
diff --git a/cmake/RunTests.cmake b/cmake/RunTests.cmake
index bf5049c5f0..e07c6dd174 100644
--- a/cmake/RunTests.cmake
+++ b/cmake/RunTests.cmake
@@ -51,8 +51,8 @@ if(DEFINED ENV{TEST_FILTER_OUT} AND NOT "$ENV{TEST_FILTER_OUT}" STREQUAL "")
list(APPEND BUSTED_ARGS --filter-out $ENV{TEST_FILTER_OUT})
endif()
-# TMPDIR: use relative test path (for parallel test runs / isolation).
-set(ENV{TMPDIR} "${BUILD_DIR}/Xtest_tmpdir/${TEST_PATH}")
+# TMPDIR: for helpers.tmpname() and Nvim tempname().
+set(ENV{TMPDIR} "${BUILD_DIR}/Xtest_tmpdir")
execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory $ENV{TMPDIR})
# HISTFILE: do not write into user's ~/.bash_history
diff --git a/test/helpers.lua b/test/helpers.lua
index a3482d1b46..a1c3dfacd2 100644
--- a/test/helpers.lua
+++ b/test/helpers.lua
@@ -291,7 +291,8 @@ module.tmpname = (function()
if tmpdir_is_local(tmpdir) then
-- Cannot control os.tmpname() dir, so hack our own tmpname() impl.
seq = seq + 1
- local fname = tmpdir..'/nvim-test-lua-'..seq
+ -- "…/Xtest_tmpdir/T42.7"
+ local fname = ('%s/%s.%d'):format(tmpdir, (_G._nvim_test_id or 'nvim-test'), seq)
io.open(fname, 'w'):close()
return fname
else