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Test cleaning up unreadable temporary test directory

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Neither the new nftw()-based rm_rf() implementation, nor the fallback
implementation, should fail the test if there is an error during cleanup
of the directory tree. And the output on stderr that the nftw()-based
implementation emits should not interfere with Meson parsing the TAP
stream on stdout.

The test is run in a subprocess so that we can clean up after ourselves.
This commit is contained in:
Will Thompson 2024-05-22 16:50:48 +01:00 committed by Philip Withnall
parent 5f6dda5bdc
commit dc97423ead
1 changed files with 37 additions and 0 deletions
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37
glib/tests/utils-isolated.c
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@ -21,6 +21,7 @@
#include "config.h"
#include <glib/glib.h>
#include <glib/gstdio.h>
/* Test that all of the well-known directories returned by GLib
* are returned as children of test_tmpdir when running with
@ -90,6 +91,41 @@ test_user_runtime_dir (void)
g_assert_true (g_str_has_prefix (g_get_user_runtime_dir (), test_tmpdir));
}
static void
test_cleanup_handles_errors (void)
{
const gchar *runtime_dir = g_get_user_runtime_dir ();
gchar *subdir = g_build_filename (runtime_dir, "b", NULL);
if (g_test_subprocess ())
{
g_assert_no_errno (g_mkdir_with_parents (subdir, 0755));
g_assert_no_errno (g_chmod (runtime_dir, 0));
g_clear_pointer (&subdir, g_free);
/* Now let the harness clean up. Not being able to delete part of the
* test's isolated temporary directory should not cause the test to
* fail.
*/
return;
}
g_test_trap_subprocess (NULL, 0, G_TEST_SUBPROCESS_INHERIT_STDERR);
g_test_trap_assert_passed ();
/* No assertion about the test logging anything to stderr: we don't
* guarantee this, and one of the cleanup implementations doesn't log
* anything.
*/
/* Now that we have verified that a failure to delete part of the isolated
* temporary directory hierarchy does not cause the test to fail, clean up
* after ourselves.
*/
g_assert_no_errno (g_chmod (runtime_dir, 0755));
g_free (subdir);
}
int
main (int argc,
@ -110,5 +146,6 @@ main (int argc,
g_test_add_func ("/utils-isolated/user-data-dir", test_user_data_dir);
g_test_add_func ("/utils-isolated/user-state-dir", test_user_state_dir);
g_test_add_func ("/utils-isolated/user-runtime-dir", test_user_runtime_dir);
g_test_add_func ("/utils-isolated/cleanup/handles-errors", test_cleanup_handles_errors);
return g_test_run ();
}