freebsd-dev/contrib/kyua/engine/atf_test.cpp

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// Copyright 2014 The Kyua Authors.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of Google Inc. nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "engine/atf.hpp"
extern "C" {
#include <sys/stat.h>
#include <signal.h>
}
#include <atf-c++.hpp>
#include "engine/config.hpp"
#include "engine/scheduler.hpp"
#include "model/metadata.hpp"
#include "model/test_case.hpp"
#include "model/test_program_fwd.hpp"
#include "model/test_result.hpp"
#include "utils/config/tree.ipp"
#include "utils/datetime.hpp"
#include "utils/env.hpp"
#include "utils/format/containers.ipp"
#include "utils/format/macros.hpp"
#include "utils/fs/operations.hpp"
#include "utils/fs/path.hpp"
#include "utils/optional.ipp"
#include "utils/stacktrace.hpp"
#include "utils/test_utils.ipp"
namespace config = utils::config;
namespace datetime = utils::datetime;
namespace fs = utils::fs;
namespace scheduler = engine::scheduler;
using utils::none;
namespace {
/// Lists the test cases associated with an ATF test program.
///
/// \param program_name Basename of the test program to run.
/// \param root Path to the base of the test suite.
/// \param names_filter Whitespace-separated list of test cases that the helper
/// test program is allowed to expose.
/// \param user_config User-provided configuration.
///
/// \return The list of loaded test cases.
static model::test_cases_map
list_one(const char* program_name,
const fs::path& root,
const char* names_filter = NULL,
config::tree user_config = engine::empty_config())
{
scheduler::scheduler_handle handle = scheduler::setup();
const scheduler::lazy_test_program program(
"atf", fs::path(program_name), root, "the-suite",
model::metadata_builder().build(), user_config, handle);
if (names_filter != NULL)
utils::setenv("TEST_CASES", names_filter);
const model::test_cases_map test_cases = handle.list_tests(
&program, user_config);
handle.cleanup();
return test_cases;
}
/// Runs a bogus test program and checks the error result.
///
/// \param exp_error Expected error string to find.
/// \param program_name Basename of the test program to run.
/// \param root Path to the base of the test suite.
/// \param names_filter Whitespace-separated list of test cases that the helper
/// test program is allowed to expose.
static void
check_list_one_fail(const char* exp_error,
const char* program_name,
const fs::path& root,
const char* names_filter = NULL)
{
const model::test_cases_map test_cases = list_one(
program_name, root, names_filter);
ATF_REQUIRE_EQ(1, test_cases.size());
const model::test_case& test_case = test_cases.begin()->second;
ATF_REQUIRE_EQ("__test_cases_list__", test_case.name());
ATF_REQUIRE(test_case.fake_result());
ATF_REQUIRE_MATCH(exp_error,
test_case.fake_result().get().reason());
}
/// Runs one ATF test program and checks its result.
///
/// \param tc Pointer to the calling test case, to obtain srcdir.
/// \param test_case_name Name of the "test case" to select from the helper
/// program.
/// \param exp_result The expected result.
/// \param user_config User-provided configuration.
/// \param check_empty_output If true, verify that the output of the test is
/// silent. This is just a hack to implement one of the test cases; we'd
/// easily have a nicer abstraction here...
static void
run_one(const atf::tests::tc* tc, const char* test_case_name,
const model::test_result& exp_result,
config::tree user_config = engine::empty_config(),
const bool check_empty_output = false)
{
scheduler::scheduler_handle handle = scheduler::setup();
const model::test_program_ptr program(new scheduler::lazy_test_program(
"atf", fs::path("atf_helpers"), fs::path(tc->get_config_var("srcdir")),
"the-suite", model::metadata_builder().build(),
user_config, handle));
(void)handle.spawn_test(program, test_case_name, user_config);
scheduler::result_handle_ptr result_handle = handle.wait_any();
const scheduler::test_result_handle* test_result_handle =
dynamic_cast< const scheduler::test_result_handle* >(
result_handle.get());
atf::utils::cat_file(result_handle->stdout_file().str(), "stdout: ");
atf::utils::cat_file(result_handle->stderr_file().str(), "stderr: ");
ATF_REQUIRE_EQ(exp_result, test_result_handle->test_result());
if (check_empty_output) {
ATF_REQUIRE(atf::utils::compare_file(result_handle->stdout_file().str(),
""));
ATF_REQUIRE(atf::utils::compare_file(result_handle->stderr_file().str(),
""));
}
result_handle->cleanup();
result_handle.reset();
handle.cleanup();
}
} // anonymous namespace
ATF_TEST_CASE_WITHOUT_HEAD(list__ok);
ATF_TEST_CASE_BODY(list__ok)
{
const model::test_cases_map test_cases = list_one(
"atf_helpers", fs::path(get_config_var("srcdir")), "pass crash");
const model::test_cases_map exp_test_cases = model::test_cases_map_builder()
.add("crash")
.add("pass", model::metadata_builder()
.set_description("Always-passing test case")
.build())
.build();
ATF_REQUIRE_EQ(exp_test_cases, test_cases);
}
ATF_TEST_CASE_WITHOUT_HEAD(list__configuration_variables);
ATF_TEST_CASE_BODY(list__configuration_variables)
{
config::tree user_config = engine::empty_config();
user_config.set_string("test_suites.the-suite.var1", "value1");
user_config.set_string("test_suites.the-suite.var2", "value2");
const model::test_cases_map test_cases = list_one(
"atf_helpers", fs::path(get_config_var("srcdir")), "check_list_config",
user_config);
const model::test_cases_map exp_test_cases = model::test_cases_map_builder()
.add("check_list_config", model::metadata_builder()
.set_description("Found: var1=value1 var2=value2")
.build())
.build();
ATF_REQUIRE_EQ(exp_test_cases, test_cases);
}
ATF_TEST_CASE_WITHOUT_HEAD(list__current_directory);
ATF_TEST_CASE_BODY(list__current_directory)
{
const fs::path helpers = fs::path(get_config_var("srcdir")) / "atf_helpers";
ATF_REQUIRE(::symlink(helpers.c_str(), "atf_helpers") != -1);
const model::test_cases_map test_cases = list_one(
"atf_helpers", fs::path("."), "pass");
const model::test_cases_map exp_test_cases = model::test_cases_map_builder()
.add("pass", model::metadata_builder()
.set_description("Always-passing test case")
.build())
.build();
ATF_REQUIRE_EQ(exp_test_cases, test_cases);
}
ATF_TEST_CASE_WITHOUT_HEAD(list__relative_path);
ATF_TEST_CASE_BODY(list__relative_path)
{
const fs::path helpers = fs::path(get_config_var("srcdir")) / "atf_helpers";
ATF_REQUIRE(::mkdir("dir1", 0755) != -1);
ATF_REQUIRE(::mkdir("dir1/dir2", 0755) != -1);
ATF_REQUIRE(::symlink(helpers.c_str(), "dir1/dir2/atf_helpers") != -1);
const model::test_cases_map test_cases = list_one(
"dir2/atf_helpers", fs::path("dir1"), "pass");
const model::test_cases_map exp_test_cases = model::test_cases_map_builder()
.add("pass", model::metadata_builder()
.set_description("Always-passing test case")
.build())
.build();
ATF_REQUIRE_EQ(exp_test_cases, test_cases);
}
ATF_TEST_CASE_WITHOUT_HEAD(list__missing_test_program);
ATF_TEST_CASE_BODY(list__missing_test_program)
{
check_list_one_fail("Cannot find test program", "non-existent",
fs::current_path());
}
ATF_TEST_CASE_WITHOUT_HEAD(list__not_a_test_program);
ATF_TEST_CASE_BODY(list__not_a_test_program)
{
atf::utils::create_file("not-valid", "garbage\n");
ATF_REQUIRE(::chmod("not-valid", 0755) != -1);
check_list_one_fail("Invalid test program format", "not-valid",
fs::current_path());
}
ATF_TEST_CASE_WITHOUT_HEAD(list__no_permissions);
ATF_TEST_CASE_BODY(list__no_permissions)
{
atf::utils::create_file("not-executable", "garbage\n");
check_list_one_fail("Permission denied to run test program",
"not-executable", fs::current_path());
}
ATF_TEST_CASE_WITHOUT_HEAD(list__abort);
ATF_TEST_CASE_BODY(list__abort)
{
check_list_one_fail("Test program received signal", "atf_helpers",
fs::path(get_config_var("srcdir")),
"crash_head");
}
ATF_TEST_CASE_WITHOUT_HEAD(list__empty);
ATF_TEST_CASE_BODY(list__empty)
{
check_list_one_fail("No test cases", "atf_helpers",
fs::path(get_config_var("srcdir")),
"");
}
ATF_TEST_CASE_WITHOUT_HEAD(list__stderr_not_quiet);
ATF_TEST_CASE_BODY(list__stderr_not_quiet)
{
check_list_one_fail("Test case list wrote to stderr", "atf_helpers",
fs::path(get_config_var("srcdir")),
"output_in_list");
}
ATF_TEST_CASE_WITHOUT_HEAD(test__body_only__passes);
ATF_TEST_CASE_BODY(test__body_only__passes)
{
const model::test_result exp_result(model::test_result_passed);
run_one(this, "pass", exp_result);
}
ATF_TEST_CASE_WITHOUT_HEAD(test__body_only__crashes);
ATF_TEST_CASE_BODY(test__body_only__crashes)
{
utils::prepare_coredump_test(this);
const model::test_result exp_result(
model::test_result_broken,
F("Premature exit; test case received signal %s (core dumped)") %
SIGABRT);
run_one(this, "crash", exp_result);
}
ATF_TEST_CASE_WITHOUT_HEAD(test__body_only__times_out);
ATF_TEST_CASE_BODY(test__body_only__times_out)
{
config::tree user_config = engine::empty_config();
user_config.set_string("test_suites.the-suite.control_dir",
fs::current_path().str());
user_config.set_string("test_suites.the-suite.timeout", "1");
const model::test_result exp_result(
model::test_result_broken, "Test case body timed out");
run_one(this, "timeout_body", exp_result, user_config);
ATF_REQUIRE(!atf::utils::file_exists("cookie"));
}
ATF_TEST_CASE_WITHOUT_HEAD(test__body_only__configuration_variables);
ATF_TEST_CASE_BODY(test__body_only__configuration_variables)
{
config::tree user_config = engine::empty_config();
user_config.set_string("test_suites.the-suite.first", "some value");
user_config.set_string("test_suites.the-suite.second", "some other value");
const model::test_result exp_result(model::test_result_passed);
run_one(this, "check_configuration_variables", exp_result, user_config);
}
ATF_TEST_CASE_WITHOUT_HEAD(test__body_only__no_atf_run_warning);
ATF_TEST_CASE_BODY(test__body_only__no_atf_run_warning)
{
const model::test_result exp_result(model::test_result_passed);
run_one(this, "pass", exp_result, engine::empty_config(), true);
}
ATF_TEST_CASE_WITHOUT_HEAD(test__body_and_cleanup__body_times_out);
ATF_TEST_CASE_BODY(test__body_and_cleanup__body_times_out)
{
config::tree user_config = engine::empty_config();
user_config.set_string("test_suites.the-suite.control_dir",
fs::current_path().str());
user_config.set_string("test_suites.the-suite.timeout", "1");
const model::test_result exp_result(
model::test_result_broken, "Test case body timed out");
run_one(this, "timeout_body", exp_result, user_config);
ATF_REQUIRE(!atf::utils::file_exists("cookie"));
ATF_REQUIRE(atf::utils::file_exists("cookie.cleanup"));
}
ATF_TEST_CASE_WITHOUT_HEAD(test__body_and_cleanup__cleanup_crashes);
ATF_TEST_CASE_BODY(test__body_and_cleanup__cleanup_crashes)
{
const model::test_result exp_result(
model::test_result_broken,
"Test case cleanup did not terminate successfully");
run_one(this, "crash_cleanup", exp_result);
}
ATF_TEST_CASE_WITHOUT_HEAD(test__body_and_cleanup__cleanup_times_out);
ATF_TEST_CASE_BODY(test__body_and_cleanup__cleanup_times_out)
{
config::tree user_config = engine::empty_config();
user_config.set_string("test_suites.the-suite.control_dir",
fs::current_path().str());
scheduler::cleanup_timeout = datetime::delta(1, 0);
const model::test_result exp_result(
model::test_result_broken, "Test case cleanup timed out");
run_one(this, "timeout_cleanup", exp_result, user_config);
ATF_REQUIRE(!atf::utils::file_exists("cookie"));
}
ATF_TEST_CASE_WITHOUT_HEAD(test__body_and_cleanup__expect_timeout);
ATF_TEST_CASE_BODY(test__body_and_cleanup__expect_timeout)
{
config::tree user_config = engine::empty_config();
user_config.set_string("test_suites.the-suite.control_dir",
fs::current_path().str());
user_config.set_string("test_suites.the-suite.timeout", "1");
const model::test_result exp_result(
model::test_result_expected_failure, "Times out on purpose");
run_one(this, "expect_timeout", exp_result, user_config);
ATF_REQUIRE(!atf::utils::file_exists("cookie"));
ATF_REQUIRE(atf::utils::file_exists("cookie.cleanup"));
}
ATF_TEST_CASE_WITHOUT_HEAD(test__body_and_cleanup__shared_workdir);
ATF_TEST_CASE_BODY(test__body_and_cleanup__shared_workdir)
{
const model::test_result exp_result(model::test_result_passed);
run_one(this, "shared_workdir", exp_result);
}
ATF_INIT_TEST_CASES(tcs)
{
scheduler::register_interface(
"atf", std::shared_ptr< scheduler::interface >(
new engine::atf_interface()));
ATF_ADD_TEST_CASE(tcs, list__ok);
ATF_ADD_TEST_CASE(tcs, list__configuration_variables);
ATF_ADD_TEST_CASE(tcs, list__current_directory);
ATF_ADD_TEST_CASE(tcs, list__relative_path);
ATF_ADD_TEST_CASE(tcs, list__missing_test_program);
ATF_ADD_TEST_CASE(tcs, list__not_a_test_program);
ATF_ADD_TEST_CASE(tcs, list__no_permissions);
ATF_ADD_TEST_CASE(tcs, list__abort);
ATF_ADD_TEST_CASE(tcs, list__empty);
ATF_ADD_TEST_CASE(tcs, list__stderr_not_quiet);
ATF_ADD_TEST_CASE(tcs, test__body_only__passes);
ATF_ADD_TEST_CASE(tcs, test__body_only__crashes);
ATF_ADD_TEST_CASE(tcs, test__body_only__times_out);
ATF_ADD_TEST_CASE(tcs, test__body_only__configuration_variables);
ATF_ADD_TEST_CASE(tcs, test__body_only__no_atf_run_warning);
ATF_ADD_TEST_CASE(tcs, test__body_and_cleanup__body_times_out);
ATF_ADD_TEST_CASE(tcs, test__body_and_cleanup__cleanup_crashes);
ATF_ADD_TEST_CASE(tcs, test__body_and_cleanup__cleanup_times_out);
ATF_ADD_TEST_CASE(tcs, test__body_and_cleanup__expect_timeout);
ATF_ADD_TEST_CASE(tcs, test__body_and_cleanup__shared_workdir);
}