blob: 55045b57219df7d8191ee14442b333dcfa29fdc3 [file] [log] [blame]
/**
* 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");
}
}