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test: clarify error message if test data directory does not exist

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When trying to directly run a test executable in the build tree without
setting $TEST_DIR, some tests fail with a non-obvious error message.
Print an useful one instead.
This commit is contained in:
Martin Pitt 2017-02-14 08:58:19 +01:00
parent 916b500286
commit 31f8b331c7
1 changed files with 4 additions and 0 deletions
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4
src/shared/tests.c
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@ -42,5 +42,9 @@ const char* get_exe_relative_testdata_dir(void) {
assert_se(readlink_and_make_absolute("/proc/self/exe", &exedir) >= 0);
assert_se(snprintf(testdir, sizeof(testdir), "%s/testdata", dirname(exedir)) > 0);
if (access(testdir, F_OK) < 0) {
fprintf(stderr, "Test data directory '%s' does not exist, set $TEST_DIR\n", testdir);
exit(1);
}
return testdir;
}