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Diffstat (limited to 'tests/meta_test.c')
| -rw-r--r-- | tests/meta_test.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/tests/meta_test.c b/tests/meta_test.c new file mode 100644 index 00000000..e09efba0 --- /dev/null +++ b/tests/meta_test.c @@ -0,0 +1,149 @@ +/* + * Copyright © 2017 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#include <stdlib.h> +#include <signal.h> +#include "igt.h" + +/* + * The purpose of this test is to test the CI system that we have + * for running the tests. The test should generate all possible + * exit states for igt tests. + * + * Possible exit-states of igt tests: + * 1. pass - subtest: pass-result + * 2. fail - subtest: fail-result + * 3. dmesg warn - subtest: dmesg-pass + * - subtest: dmesg-warn + * The purpose is to check that certain kernel log activity + * gets correctly reported in the test result, and that normal + * activity doesn't. + * 4. crash - subtest: user-crash + * 5. piglit timeout - subtest: piglit-timeout + * 6. incomplete - subtest: generate-panic + * NOTE: inorder for this to generate the incomplete state + * the kernel must be configured to reboot on panic. + * NOTE: if the tested CI system have features such as + * PSTORE and/or kexec/kdump enabled. This test could be + * used to make sure that the CI system stores the generated + * log/dumps as expected. + * 7. incomplete - where user hang is not caught by piglit timeout. + * This would be caught by a user-side softdog daemon, + * such as owatch by ezbench. However, I don't know + * how to trigger this state, so it will not be tested. + * 8. incomplete - system requires hard reboot : + * This state could be triggered by calling an evil kernel + * module that was developed hang the system. Such + * a module will not be developed for this purpose, + * so this "exit state" will not be tested. + * + * TODO: If this test was deployed on a CI system that + * was able to pick up testing again after reboot, + * such as ezbench, a post-analyze test should be added + * that collected and analyzed the result of the tests + * run before reboot. + */ + +__attribute__((format(printf, 1, 2))) +static void kmsg(const char *format, ...) +#define KERN_EMER "<0>" +#define KERN_ALERT "<1>" +#define KERN_CRIT "<2>" +#define KERN_ERR "<3>" +#define KERN_WARNING "<4>" +#define KERN_NOTICE "<5>" +#define KERN_INFO "<6>" +#define KERN_DEBUG "<7>" +{ + va_list ap; + FILE *file; + + file = fopen("/dev/kmsg", "w"); + if (file == NULL) + return; + + va_start(ap, format); + vfprintf(file, format, ap); + va_end(ap); + fclose(file); +} + +static void test_result(bool result) +{ + igt_assert_eq(result, true); +} + +static void test_dmesg(bool pass) +{ + if (pass) + kmsg(KERN_DEBUG "drm: IGT inserted string."); + else + kmsg(KERN_WARNING "drm: IGT inserted string."); +} + +static void test_user_crash(void) +{ + raise(SIGSEGV); +} + +static void test_piglit_timeout(void) +{ + sleep(605); +} + +static void test_panic(void) +{ + system("echo c > /proc/sysrq-trigger"); +} + +igt_main +{ + + igt_fixture { + igt_skip_on_f(!getenv("IGT_CI_META_TEST"), + "Only for meta-testing of CI systems"); + } + + igt_subtest("pass-result") + test_result(true); + + igt_subtest("fail-result") + test_result(false); + + igt_subtest("dmesg-pass") + test_dmesg(true); + + igt_subtest("dmesg-warn") + test_dmesg(false); + + igt_subtest("user-crash") + test_user_crash(); + + igt_subtest("piglit-timeout") + test_piglit_timeout(); + + igt_subtest("generate-panic") + test_panic(); +} + |