7187d8b7fc
Add specialized tests that execute another test indirectly and ensure that the results report errors correctly. See the README.rst file provided with this commit for details. Signed-off-by: Yuval Peress <peress@google.com>
57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/* Copyright (c) 2022 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <array>
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#include <iostream>
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#include <regex>
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#include <string>
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#include <zephyr/ztest.h>
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ZTEST_SUITE(fail, nullptr, nullptr, nullptr, nullptr, nullptr);
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ZTEST(fail, test_framework)
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{
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auto found_error_string = false;
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char buffer[sizeof(CONFIG_TEST_ERROR_STRING)] = {0};
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std::string result;
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/* Start running the target binary. This binary is expected to fail. */
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auto pipe = popen(FAIL_TARGET_BINARY, "r");
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zassert_not_null(pipe, "Failed to execute '" FAIL_TARGET_BINARY "'");
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/* Wait for the binary to finish running and grab the output */
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while (!feof(pipe)) {
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if (fgets(buffer, ARRAY_SIZE(buffer), pipe) != nullptr) {
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if (found_error_string) {
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/* Already found the error string, no need to do any more string
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* manipulation.
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*/
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continue;
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}
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/* Append the buffer to the result string */
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result += buffer;
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/* Check if result contains the right error string */
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found_error_string |=
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(result.find(CONFIG_TEST_ERROR_STRING) != std::string::npos);
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/* If the result string is longer than the expected string,
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* we can prune it
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*/
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auto prune_length = static_cast<int>(result.length()) -
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static_cast<int>(sizeof(CONFIG_TEST_ERROR_STRING));
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if (prune_length > 0) {
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result.erase(0, prune_length);
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}
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}
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}
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auto rc = WEXITSTATUS(pclose(pipe));
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zassert_equal(1, rc, "Test binary expected to fail with return code 1, but got %d", rc);
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zassert_true(found_error_string, "Test binary did not produce the expected error string \""
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CONFIG_TEST_ERROR_STRING "\"");
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}
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