Test temporal directories are removed at the end

test/emu/ovni/CMakeLists.txt

@@ -23,3 +23,4 @@ test_emu(require-compat.c REGEX "loading trace in compatibility mode")
 test_emu(require-repeated.c)
 test_emu(thread-crash.c SHOULD_FAIL REGEX "incomplete stream")
 test_emu(flush-tmpdir.c MP DRIVER "flush-tmpdir.driver.sh")
+test_emu(tmpdir-metadata.c MP DRIVER "tmpdir-metadata.driver.sh")

test/emu/ovni/tmpdir-metadata.c

@@ -0,0 +1,22 @@
+/* Copyright (c) 2023 Barcelona Supercomputing Center (BSC)
+ * SPDX-License-Identifier: GPL-3.0-or-later */
+
+#include <stdlib.h>
+#include "compat.h"
+#include "instr.h"
+
+int
+main(void)
+{
+	ovni_version_check();
+	ovni_proc_init(1, "node.1", 123);
+	ovni_thread_init(123);
+
+	ovni_add_cpu(0, 0);
+	instr_require("ovni");
+
+	instr_thread_execute(0, -1, 0);
+	instr_end();
+
+	return 0;
+}

test/emu/ovni/tmpdir-metadata.driver.sh

@@ -0,0 +1,55 @@
+target=$OVNI_TEST_BIN
+
+# Ensure move all files to the final place, including the process metadata, the
+# thread streams and metadata files.
+
+test_files() {
+  dst="$1"
+  test -e "$dst"
+  test -e "$dst/loom.node.1"
+  test -e "$dst/loom.node.1/proc.123"
+  test -e "$dst/loom.node.1/proc.123/metadata.json"
+  test -e "$dst/loom.node.1/proc.123/thread.123.json"
+  test -e "$dst/loom.node.1/proc.123/thread.123.obs"
+}
+
+test_no_files() {
+  dst="$1"
+  test '!' -e "$dst"
+  test '!' -e "$dst/loom.node.1"
+  test '!' -e "$dst/loom.node.1/proc.123"
+  test '!' -e "$dst/loom.node.1/proc.123/metadata.json"
+  test '!' -e "$dst/loom.node.1/proc.123/thread.123.json"
+  test '!' -e "$dst/loom.node.1/proc.123/thread.123.obs"
+}
+
+# Test setting OVNI_TMPDIR
+(
+  mkdir tmp
+  export OVNI_TMPDIR=tmp
+  $target
+  test_files "ovni"
+  test_no_files "tmp"
+  ovniemu ovni
+)
+
+# Test without tmpdir created
+(
+  rm -f tmp
+  export OVNI_TMPDIR=tmp
+  $target
+  test_files "ovni"
+  test_no_files "tmp"
+  ovniemu ovni
+)
+
+# Also with OVNI_TRACEDIR
+(
+  mkdir tmp
+  export OVNI_TMPDIR=tmp
+  export OVNI_TRACEDIR="a/b"
+  $target
+  test_files "a/b"
+  test_no_files "tmp"
+  ovniemu ovni
+)