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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/plain.hpp"
+
+extern "C" {
+#include <unistd.h>
+}
+
+#include <cstdlib>
+
+#include "model/test_case.hpp"
+#include "model/test_program.hpp"
+#include "model/test_result.hpp"
+#include "utils/defs.hpp"
+#include "utils/env.hpp"
+#include "utils/format/macros.hpp"
+#include "utils/fs/path.hpp"
+#include "utils/optional.ipp"
+#include "utils/process/operations.hpp"
+#include "utils/process/status.hpp"
+#include "utils/sanity.hpp"
+
+namespace config = utils::config;
+namespace fs = utils::fs;
+namespace process = utils::process;
+
+using utils::optional;
+
+
+/// Executes a test program's list operation.
+///
+/// This method is intended to be called within a subprocess and is expected
+/// to terminate execution either by exec(2)ing the test program or by
+/// exiting with a failure.
+void
+engine::plain_interface::exec_list(
+ const model::test_program& /* test_program */,
+ const config::properties_map& /* vars */) const
+{
+ ::_exit(EXIT_SUCCESS);
+}
+
+
+/// Computes the test cases list of a test program.
+///
+/// \return A list of test cases.
+model::test_cases_map
+engine::plain_interface::parse_list(
+ const optional< process::status >& /* status */,
+ const fs::path& /* stdout_path */,
+ const fs::path& /* stderr_path */) const
+{
+ return model::test_cases_map_builder().add("main").build();
+}
+
+
+/// Executes a test case of the test program.
+///
+/// This method is intended to be called within a subprocess and is expected
+/// to terminate execution either by exec(2)ing the test program or by
+/// exiting with a failure.
+///
+/// \param test_program The test program to execute.
+/// \param test_case_name Name of the test case to invoke.
+/// \param vars User-provided variables to pass to the test program.
+void
+engine::plain_interface::exec_test(
+ const model::test_program& test_program,
+ const std::string& test_case_name,
+ const config::properties_map& vars,
+ const fs::path& /* control_directory */) const
+{
+ PRE(test_case_name == "main");
+
+ for (config::properties_map::const_iterator iter = vars.begin();
+ iter != vars.end(); ++iter) {
+ utils::setenv(F("TEST_ENV_%s") % (*iter).first, (*iter).second);
+ }
+
+ process::args_vector args;
+ process::exec(test_program.absolute_path(), args);
+}
+
+
+/// Computes the result of a test case based on its termination status.
+///
+/// \param status The termination status of the subprocess used to execute
+/// the exec_test() method or none if the test timed out.
+///
+/// \return A test result.
+model::test_result
+engine::plain_interface::compute_result(
+ const optional< process::status >& status,
+ const fs::path& /* control_directory */,
+ const fs::path& /* stdout_path */,
+ const fs::path& /* stderr_path */) const
+{
+ if (!status) {
+ return model::test_result(model::test_result_broken,
+ "Test case timed out");
+ }
+
+ if (status.get().exited()) {
+ const int exitstatus = status.get().exitstatus();
+ if (exitstatus == EXIT_SUCCESS) {
+ return model::test_result(model::test_result_passed);
+ } else {
+ return model::test_result(
+ model::test_result_failed,
+ F("Returned non-success exit status %s") % exitstatus);
+ }
+ } else {
+ return model::test_result(
+ model::test_result_broken,
+ F("Received signal %s") % status.get().termsig());
+ }
+}