Shawn McCarney | 55f496c | 2020-04-09 16:19:14 -0500 | [diff] [blame] | 1 | /** |
| 2 | * Copyright © 2020 IBM Corporation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | #include "exception_utils.hpp" |
| 17 | #include "journal.hpp" |
| 18 | #include "mock_journal.hpp" |
| 19 | |
| 20 | #include <exception> |
| 21 | #include <stdexcept> |
| 22 | #include <string> |
| 23 | #include <vector> |
| 24 | |
| 25 | #include <gtest/gtest.h> |
| 26 | |
| 27 | using namespace phosphor::power::regulators; |
| 28 | |
Shawn McCarney | 0414f0e | 2021-03-17 16:36:03 -0500 | [diff] [blame] | 29 | TEST(ExceptionUtilsTests, GetExceptions) |
| 30 | { |
| 31 | // Test where exception pointer is null |
| 32 | { |
| 33 | std::exception_ptr eptr; |
| 34 | std::vector<std::exception_ptr> exceptions = |
| 35 | exception_utils::getExceptions(eptr); |
| 36 | EXPECT_EQ(exceptions.size(), 0); |
| 37 | } |
| 38 | |
| 39 | // Test where exception pointer is not null |
| 40 | { |
| 41 | // Create nested exception with two nesting levels |
| 42 | std::exception_ptr eptr; |
| 43 | try |
| 44 | { |
| 45 | try |
| 46 | { |
| 47 | throw std::logic_error{"JSON element is not an array"}; |
| 48 | } |
| 49 | catch (...) |
| 50 | { |
| 51 | std::throw_with_nested( |
| 52 | std::runtime_error{"Unable to parse config file"}); |
| 53 | } |
| 54 | } |
| 55 | catch (...) |
| 56 | { |
| 57 | eptr = std::current_exception(); |
| 58 | } |
| 59 | |
| 60 | // Get vector containing exceptions |
| 61 | std::vector<std::exception_ptr> exceptions = |
| 62 | exception_utils::getExceptions(eptr); |
| 63 | EXPECT_EQ(exceptions.size(), 2); |
| 64 | |
| 65 | // Verify first exception in vector, which is the innermost exception |
| 66 | try |
| 67 | { |
| 68 | std::rethrow_exception(exceptions[0]); |
| 69 | ADD_FAILURE() << "Should not have reached this line."; |
| 70 | } |
| 71 | catch (const std::logic_error& e) |
| 72 | { |
| 73 | EXPECT_STREQ(e.what(), "JSON element is not an array"); |
| 74 | } |
| 75 | catch (...) |
| 76 | { |
| 77 | ADD_FAILURE() << "Unexpected exception type"; |
| 78 | } |
| 79 | |
| 80 | // Verify second exception in vector, which is the outermost exception |
| 81 | try |
| 82 | { |
| 83 | std::rethrow_exception(exceptions[1]); |
| 84 | ADD_FAILURE() << "Should not have reached this line."; |
| 85 | } |
| 86 | catch (const std::runtime_error& e) |
| 87 | { |
| 88 | EXPECT_STREQ(e.what(), "Unable to parse config file"); |
| 89 | } |
| 90 | catch (...) |
| 91 | { |
| 92 | ADD_FAILURE() << "Unexpected exception type"; |
| 93 | } |
| 94 | } |
| 95 | } |
| 96 | |
Shawn McCarney | 55f496c | 2020-04-09 16:19:14 -0500 | [diff] [blame] | 97 | TEST(ExceptionUtilsTests, GetMessages) |
| 98 | { |
| 99 | try |
| 100 | { |
| 101 | try |
| 102 | { |
| 103 | throw std::invalid_argument{"JSON element is not an array"}; |
| 104 | } |
| 105 | catch (...) |
| 106 | { |
| 107 | std::throw_with_nested( |
| 108 | std::logic_error{"Unable to parse config file"}); |
| 109 | } |
| 110 | } |
| 111 | catch (const std::exception& e) |
| 112 | { |
| 113 | std::vector<std::string> messages = exception_utils::getMessages(e); |
| 114 | EXPECT_EQ(messages.size(), 2); |
| 115 | EXPECT_EQ(messages[0], "JSON element is not an array"); |
| 116 | EXPECT_EQ(messages[1], "Unable to parse config file"); |
| 117 | } |
| 118 | } |
| 119 | |
Shawn McCarney | 0414f0e | 2021-03-17 16:36:03 -0500 | [diff] [blame] | 120 | TEST(ExceptionUtilsTests, InternalGetExceptions) |
| 121 | { |
| 122 | // Test where exception pointer is null |
| 123 | { |
| 124 | std::exception_ptr eptr; |
| 125 | std::vector<std::exception_ptr> exceptions; |
| 126 | exception_utils::internal::getExceptions(eptr, exceptions); |
| 127 | EXPECT_EQ(exceptions.size(), 0); |
| 128 | } |
| 129 | |
| 130 | // Test where exception is not nested |
| 131 | { |
| 132 | // Create exception |
| 133 | std::exception_ptr eptr; |
| 134 | try |
| 135 | { |
| 136 | throw std::logic_error{"JSON element is not an array"}; |
| 137 | } |
| 138 | catch (...) |
| 139 | { |
| 140 | eptr = std::current_exception(); |
| 141 | } |
| 142 | |
| 143 | // Build vector of exceptions |
| 144 | std::vector<std::exception_ptr> exceptions; |
| 145 | exception_utils::internal::getExceptions(eptr, exceptions); |
| 146 | EXPECT_EQ(exceptions.size(), 1); |
| 147 | |
| 148 | // Verify exception in vector |
| 149 | try |
| 150 | { |
| 151 | std::rethrow_exception(exceptions[0]); |
| 152 | ADD_FAILURE() << "Should not have reached this line."; |
| 153 | } |
| 154 | catch (const std::logic_error& e) |
| 155 | { |
| 156 | EXPECT_STREQ(e.what(), "JSON element is not an array"); |
| 157 | } |
| 158 | catch (...) |
| 159 | { |
| 160 | ADD_FAILURE() << "Unexpected exception type"; |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | // Test where exception is nested |
| 165 | { |
| 166 | // Throw exception with three levels of nesting |
| 167 | std::exception_ptr eptr; |
| 168 | try |
| 169 | { |
| 170 | try |
| 171 | { |
| 172 | try |
| 173 | { |
| 174 | throw std::string{"Invalid JSON element"}; |
| 175 | } |
| 176 | catch (...) |
| 177 | { |
| 178 | std::throw_with_nested( |
| 179 | std::logic_error{"JSON element is not an array"}); |
| 180 | } |
| 181 | } |
| 182 | catch (...) |
| 183 | { |
| 184 | std::throw_with_nested( |
| 185 | std::runtime_error{"Unable to parse config file"}); |
| 186 | } |
| 187 | } |
| 188 | catch (...) |
| 189 | { |
| 190 | eptr = std::current_exception(); |
| 191 | } |
| 192 | |
| 193 | // Build vector of exceptions |
| 194 | std::vector<std::exception_ptr> exceptions; |
| 195 | exception_utils::internal::getExceptions(eptr, exceptions); |
| 196 | EXPECT_EQ(exceptions.size(), 3); |
| 197 | |
| 198 | // Verify first exception in vector, which is the innermost exception |
| 199 | try |
| 200 | { |
| 201 | std::rethrow_exception(exceptions[0]); |
| 202 | ADD_FAILURE() << "Should not have reached this line."; |
| 203 | } |
| 204 | catch (const std::string& s) |
| 205 | { |
| 206 | EXPECT_EQ(s, "Invalid JSON element"); |
| 207 | } |
| 208 | catch (...) |
| 209 | { |
| 210 | ADD_FAILURE() << "Unexpected exception type"; |
| 211 | } |
| 212 | |
| 213 | // Verify second exception in vector |
| 214 | try |
| 215 | { |
| 216 | std::rethrow_exception(exceptions[1]); |
| 217 | ADD_FAILURE() << "Should not have reached this line."; |
| 218 | } |
| 219 | catch (const std::logic_error& e) |
| 220 | { |
| 221 | EXPECT_STREQ(e.what(), "JSON element is not an array"); |
| 222 | } |
| 223 | catch (...) |
| 224 | { |
| 225 | ADD_FAILURE() << "Unexpected exception type"; |
| 226 | } |
| 227 | |
| 228 | // Verify third exception in vector, which is the outermost exception |
| 229 | try |
| 230 | { |
| 231 | std::rethrow_exception(exceptions[2]); |
| 232 | ADD_FAILURE() << "Should not have reached this line."; |
| 233 | } |
| 234 | catch (const std::runtime_error& e) |
| 235 | { |
| 236 | EXPECT_STREQ(e.what(), "Unable to parse config file"); |
| 237 | } |
| 238 | catch (...) |
| 239 | { |
| 240 | ADD_FAILURE() << "Unexpected exception type"; |
| 241 | } |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | TEST(ExceptionUtilsTests, InternalGetMessages) |
Shawn McCarney | 55f496c | 2020-04-09 16:19:14 -0500 | [diff] [blame] | 246 | { |
| 247 | // Test where exception is not nested |
| 248 | { |
| 249 | std::invalid_argument e{"JSON element is not an array"}; |
| 250 | std::vector<std::string> messages{}; |
| 251 | exception_utils::internal::getMessages(e, messages); |
| 252 | EXPECT_EQ(messages.size(), 1); |
| 253 | EXPECT_EQ(messages[0], "JSON element is not an array"); |
| 254 | } |
| 255 | |
| 256 | // Test where exception is nested |
| 257 | try |
| 258 | { |
| 259 | try |
| 260 | { |
| 261 | try |
| 262 | { |
| 263 | throw std::invalid_argument{"JSON element is not an array"}; |
| 264 | } |
| 265 | catch (...) |
| 266 | { |
| 267 | std::throw_with_nested( |
| 268 | std::logic_error{"Unable to parse config file"}); |
| 269 | } |
| 270 | } |
| 271 | catch (...) |
| 272 | { |
| 273 | std::throw_with_nested( |
| 274 | std::runtime_error{"Unable to configure regulators"}); |
| 275 | } |
| 276 | } |
| 277 | catch (const std::exception& e) |
| 278 | { |
| 279 | std::vector<std::string> messages{}; |
| 280 | exception_utils::internal::getMessages(e, messages); |
| 281 | EXPECT_EQ(messages.size(), 3); |
| 282 | EXPECT_EQ(messages[0], "JSON element is not an array"); |
| 283 | EXPECT_EQ(messages[1], "Unable to parse config file"); |
| 284 | EXPECT_EQ(messages[2], "Unable to configure regulators"); |
| 285 | } |
| 286 | |
| 287 | // Test where nested exception is not a child of std::exception |
| 288 | try |
| 289 | { |
| 290 | try |
| 291 | { |
| 292 | try |
| 293 | { |
| 294 | throw "JSON element is not an array"; |
| 295 | } |
| 296 | catch (...) |
| 297 | { |
| 298 | std::throw_with_nested( |
| 299 | std::logic_error{"Unable to parse config file"}); |
| 300 | } |
| 301 | } |
| 302 | catch (...) |
| 303 | { |
| 304 | std::throw_with_nested( |
| 305 | std::runtime_error{"Unable to configure regulators"}); |
| 306 | } |
| 307 | } |
| 308 | catch (const std::exception& e) |
| 309 | { |
| 310 | std::vector<std::string> messages{}; |
| 311 | exception_utils::internal::getMessages(e, messages); |
| 312 | EXPECT_EQ(messages.size(), 2); |
| 313 | EXPECT_EQ(messages[0], "Unable to parse config file"); |
| 314 | EXPECT_EQ(messages[1], "Unable to configure regulators"); |
| 315 | } |
| 316 | } |