| /** |
| * Copyright © 2020 IBM Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #include "exception_utils.hpp" |
| #include "journal.hpp" |
| #include "mock_journal.hpp" |
| |
| #include <exception> |
| #include <stdexcept> |
| #include <string> |
| #include <vector> |
| |
| #include <gtest/gtest.h> |
| |
| using namespace phosphor::power::regulators; |
| |
| TEST(ExceptionUtilsTests, GetExceptions) |
| { |
| // Test where exception pointer is null |
| { |
| std::exception_ptr eptr; |
| std::vector<std::exception_ptr> exceptions = |
| exception_utils::getExceptions(eptr); |
| EXPECT_EQ(exceptions.size(), 0); |
| } |
| |
| // Test where exception pointer is not null |
| { |
| // Create nested exception with two nesting levels |
| std::exception_ptr eptr; |
| try |
| { |
| try |
| { |
| throw std::logic_error{"JSON element is not an array"}; |
| } |
| catch (...) |
| { |
| std::throw_with_nested( |
| std::runtime_error{"Unable to parse config file"}); |
| } |
| } |
| catch (...) |
| { |
| eptr = std::current_exception(); |
| } |
| |
| // Get vector containing exceptions |
| std::vector<std::exception_ptr> exceptions = |
| exception_utils::getExceptions(eptr); |
| EXPECT_EQ(exceptions.size(), 2); |
| |
| // Verify first exception in vector, which is the innermost exception |
| try |
| { |
| std::rethrow_exception(exceptions[0]); |
| ADD_FAILURE() << "Should not have reached this line."; |
| } |
| catch (const std::logic_error& e) |
| { |
| EXPECT_STREQ(e.what(), "JSON element is not an array"); |
| } |
| catch (...) |
| { |
| ADD_FAILURE() << "Unexpected exception type"; |
| } |
| |
| // Verify second exception in vector, which is the outermost exception |
| try |
| { |
| std::rethrow_exception(exceptions[1]); |
| ADD_FAILURE() << "Should not have reached this line."; |
| } |
| catch (const std::runtime_error& e) |
| { |
| EXPECT_STREQ(e.what(), "Unable to parse config file"); |
| } |
| catch (...) |
| { |
| ADD_FAILURE() << "Unexpected exception type"; |
| } |
| } |
| } |
| |
| TEST(ExceptionUtilsTests, GetMessages) |
| { |
| try |
| { |
| try |
| { |
| throw std::invalid_argument{"JSON element is not an array"}; |
| } |
| catch (...) |
| { |
| std::throw_with_nested( |
| std::logic_error{"Unable to parse config file"}); |
| } |
| } |
| catch (const std::exception& e) |
| { |
| std::vector<std::string> messages = exception_utils::getMessages(e); |
| EXPECT_EQ(messages.size(), 2); |
| EXPECT_EQ(messages[0], "JSON element is not an array"); |
| EXPECT_EQ(messages[1], "Unable to parse config file"); |
| } |
| } |
| |
| TEST(ExceptionUtilsTests, InternalGetExceptions) |
| { |
| // Test where exception pointer is null |
| { |
| std::exception_ptr eptr; |
| std::vector<std::exception_ptr> exceptions; |
| exception_utils::internal::getExceptions(eptr, exceptions); |
| EXPECT_EQ(exceptions.size(), 0); |
| } |
| |
| // Test where exception is not nested |
| { |
| // Create exception |
| std::exception_ptr eptr; |
| try |
| { |
| throw std::logic_error{"JSON element is not an array"}; |
| } |
| catch (...) |
| { |
| eptr = std::current_exception(); |
| } |
| |
| // Build vector of exceptions |
| std::vector<std::exception_ptr> exceptions; |
| exception_utils::internal::getExceptions(eptr, exceptions); |
| EXPECT_EQ(exceptions.size(), 1); |
| |
| // Verify exception in vector |
| try |
| { |
| std::rethrow_exception(exceptions[0]); |
| ADD_FAILURE() << "Should not have reached this line."; |
| } |
| catch (const std::logic_error& e) |
| { |
| EXPECT_STREQ(e.what(), "JSON element is not an array"); |
| } |
| catch (...) |
| { |
| ADD_FAILURE() << "Unexpected exception type"; |
| } |
| } |
| |
| // Test where exception is nested |
| { |
| // Throw exception with three levels of nesting |
| std::exception_ptr eptr; |
| try |
| { |
| try |
| { |
| try |
| { |
| throw std::string{"Invalid JSON element"}; |
| } |
| catch (...) |
| { |
| std::throw_with_nested( |
| std::logic_error{"JSON element is not an array"}); |
| } |
| } |
| catch (...) |
| { |
| std::throw_with_nested( |
| std::runtime_error{"Unable to parse config file"}); |
| } |
| } |
| catch (...) |
| { |
| eptr = std::current_exception(); |
| } |
| |
| // Build vector of exceptions |
| std::vector<std::exception_ptr> exceptions; |
| exception_utils::internal::getExceptions(eptr, exceptions); |
| EXPECT_EQ(exceptions.size(), 3); |
| |
| // Verify first exception in vector, which is the innermost exception |
| try |
| { |
| std::rethrow_exception(exceptions[0]); |
| ADD_FAILURE() << "Should not have reached this line."; |
| } |
| catch (const std::string& s) |
| { |
| EXPECT_EQ(s, "Invalid JSON element"); |
| } |
| catch (...) |
| { |
| ADD_FAILURE() << "Unexpected exception type"; |
| } |
| |
| // Verify second exception in vector |
| try |
| { |
| std::rethrow_exception(exceptions[1]); |
| ADD_FAILURE() << "Should not have reached this line."; |
| } |
| catch (const std::logic_error& e) |
| { |
| EXPECT_STREQ(e.what(), "JSON element is not an array"); |
| } |
| catch (...) |
| { |
| ADD_FAILURE() << "Unexpected exception type"; |
| } |
| |
| // Verify third exception in vector, which is the outermost exception |
| try |
| { |
| std::rethrow_exception(exceptions[2]); |
| ADD_FAILURE() << "Should not have reached this line."; |
| } |
| catch (const std::runtime_error& e) |
| { |
| EXPECT_STREQ(e.what(), "Unable to parse config file"); |
| } |
| catch (...) |
| { |
| ADD_FAILURE() << "Unexpected exception type"; |
| } |
| } |
| } |
| |
| TEST(ExceptionUtilsTests, InternalGetMessages) |
| { |
| // Test where exception is not nested |
| { |
| std::invalid_argument e{"JSON element is not an array"}; |
| std::vector<std::string> messages{}; |
| exception_utils::internal::getMessages(e, messages); |
| EXPECT_EQ(messages.size(), 1); |
| EXPECT_EQ(messages[0], "JSON element is not an array"); |
| } |
| |
| // Test where exception is nested |
| try |
| { |
| try |
| { |
| try |
| { |
| throw std::invalid_argument{"JSON element is not an array"}; |
| } |
| catch (...) |
| { |
| std::throw_with_nested( |
| std::logic_error{"Unable to parse config file"}); |
| } |
| } |
| catch (...) |
| { |
| std::throw_with_nested( |
| std::runtime_error{"Unable to configure regulators"}); |
| } |
| } |
| catch (const std::exception& e) |
| { |
| std::vector<std::string> messages{}; |
| exception_utils::internal::getMessages(e, messages); |
| EXPECT_EQ(messages.size(), 3); |
| EXPECT_EQ(messages[0], "JSON element is not an array"); |
| EXPECT_EQ(messages[1], "Unable to parse config file"); |
| EXPECT_EQ(messages[2], "Unable to configure regulators"); |
| } |
| |
| // Test where nested exception is not a child of std::exception |
| try |
| { |
| try |
| { |
| try |
| { |
| throw "JSON element is not an array"; |
| } |
| catch (...) |
| { |
| std::throw_with_nested( |
| std::logic_error{"Unable to parse config file"}); |
| } |
| } |
| catch (...) |
| { |
| std::throw_with_nested( |
| std::runtime_error{"Unable to configure regulators"}); |
| } |
| } |
| catch (const std::exception& e) |
| { |
| std::vector<std::string> messages{}; |
| exception_utils::internal::getMessages(e, messages); |
| EXPECT_EQ(messages.size(), 2); |
| EXPECT_EQ(messages[0], "Unable to parse config file"); |
| EXPECT_EQ(messages[1], "Unable to configure regulators"); |
| } |
| } |