| // Copyright 2017 The Bazel Authors. All rights reserved. |
| // |
| // 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. |
| |
| package com.google.devtools.build.lib.worker; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| |
| import com.google.devtools.build.lib.vfs.FileSystemUtils; |
| import com.google.devtools.build.lib.vfs.Path; |
| import com.google.devtools.build.lib.vfs.inmemoryfs.InMemoryFileSystem; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link ErrorMessage}. */ |
| @RunWith(JUnit4.class) |
| public class ErrorMessageTest { |
| String logText = "\n\nabcdefghijklmnopqrstuvwxyz\n\n"; |
| |
| @Test |
| public void testEmptyErrorMessage() { |
| ErrorMessage errorMessage = ErrorMessage.builder().build(); |
| assertThat(errorMessage.toString()).isEqualTo("Unknown error"); |
| } |
| |
| @Test |
| public void testSimpleErrorMessage() { |
| ErrorMessage errorMessage = ErrorMessage.builder().message("Error").build(); |
| assertThat(errorMessage.toString()).isEqualTo("Error"); |
| } |
| |
| @Test |
| public void testErrorMessageWithLogText() { |
| ErrorMessage errorMessage = |
| ErrorMessage.builder().message("Error with log text").logText(logText).build(); |
| assertThat(errorMessage.toString()) |
| .isEqualTo( |
| "Error with log text\n\n" |
| + "---8<---8<--- Start of log ---8<---8<---\n" |
| + "abcdefghijklmnopqrstuvwxyz\n" |
| + "---8<---8<--- End of log ---8<---8<---"); |
| } |
| |
| @Test |
| public void testErrorMessageWithEmptyLogText() { |
| ErrorMessage errorMessage = |
| ErrorMessage.builder().message("Error with log text").logText("").build(); |
| assertThat(errorMessage.toString()) |
| .isEqualTo( |
| "Error with log text\n\n" |
| + "---8<---8<--- Start of log ---8<---8<---\n" |
| + "(empty)\n" |
| + "---8<---8<--- End of log ---8<---8<---"); |
| } |
| |
| @Test |
| public void testErrorMessageWithTruncatedLogText() { |
| ErrorMessage errorMessage = |
| ErrorMessage.builder() |
| .message("Error with log text") |
| .logText(logText) |
| .logSizeLimit(13) |
| .build(); |
| assertThat(errorMessage.toString()) |
| .isEqualTo( |
| "Error with log text\n\n" |
| + "---8<---8<--- Start of log snippet ---8<---8<---\n" |
| + "[... truncated ...]\n" |
| + "nopqrstuvwxyz\n" |
| + "---8<---8<--- End of log snippet, 13 chars omitted ---8<---8<---"); |
| } |
| |
| @Test |
| public void testErrorMessageWithLogFile() throws Exception { |
| InMemoryFileSystem fs = new InMemoryFileSystem(); |
| Path logFile = fs.getPath("/log.txt"); |
| FileSystemUtils.writeContent(logFile, UTF_8, logText); |
| ErrorMessage errorMessage = |
| ErrorMessage.builder().message("Error with log file").logFile(logFile).build(); |
| assertThat(errorMessage.toString()) |
| .isEqualTo( |
| "Error with log file\n\n" |
| + "---8<---8<--- Start of log, file at /log.txt ---8<---8<---\n" |
| + "abcdefghijklmnopqrstuvwxyz\n" |
| + "---8<---8<--- End of log ---8<---8<---"); |
| } |
| |
| @Test |
| public void testErrorMessageWithUnreadableLogFile() { |
| InMemoryFileSystem fs = new InMemoryFileSystem(); |
| // This file does not exist. |
| Path logFile = fs.getPath("/nope.txt"); |
| ErrorMessage errorMessage = |
| ErrorMessage.builder().message("Error with log file").logFile(logFile).build(); |
| assertThat(errorMessage.toString()) |
| .startsWith( |
| "Error with log file\n\n" |
| + "---8<---8<--- Start of log, file at /nope.txt ---8<---8<---\n" |
| + "ERROR: IOException while trying to read log file:\n" |
| + "java.io.FileNotFoundException: /nope.txt (No such file or directory)"); |
| assertThat(errorMessage.toString()).endsWith("---8<---8<--- End of log ---8<---8<---"); |
| } |
| |
| @Test |
| public void testErrorMessageWithException() { |
| ErrorMessage errorMessage = |
| ErrorMessage.builder() |
| .message("An exception occurred.") |
| .exception(new IllegalStateException("Hello World")) |
| .build(); |
| assertThat(errorMessage.toString()) |
| .startsWith( |
| "An exception occurred.\n\n" |
| + "---8<---8<--- Exception details ---8<---8<---\n" |
| + "java.lang.IllegalStateException: Hello World"); |
| } |
| } |