| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * 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.android.loganalysis.parser; |
| |
| import com.android.loganalysis.item.JavaCrashItem; |
| import com.android.loganalysis.util.ArrayUtil; |
| |
| import junit.framework.TestCase; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * Unit tests for {@link JavaCrashParser}. |
| */ |
| public class JavaCrashParserTest extends TestCase { |
| |
| /** |
| * Test that Java crashes are parsed with no message. |
| */ |
| public void testParse_no_message() { |
| List<String> lines = Arrays.asList( |
| "java.lang.Exception", |
| "\tat class.method1(Class.java:1)", |
| "\tat class.method2(Class.java:2)", |
| "\tat class.method3(Class.java:3)"); |
| |
| JavaCrashItem jc = new JavaCrashParser().parse(lines); |
| assertNotNull(jc); |
| assertEquals("java.lang.Exception", jc.getException()); |
| assertNull(jc.getMessage()); |
| assertEquals(ArrayUtil.join("\n", lines), jc.getStack()); |
| } |
| |
| /** |
| * Test that Java crashes are parsed with a message. |
| */ |
| public void testParse_message() { |
| List<String> lines = Arrays.asList( |
| "java.lang.Exception: This is the message", |
| "\tat class.method1(Class.java:1)", |
| "\tat class.method2(Class.java:2)", |
| "\tat class.method3(Class.java:3)"); |
| |
| JavaCrashItem jc = new JavaCrashParser().parse(lines); |
| assertNotNull(jc); |
| assertEquals("java.lang.Exception", jc.getException()); |
| assertEquals("This is the message", jc.getMessage()); |
| assertEquals(ArrayUtil.join("\n", lines), jc.getStack()); |
| } |
| |
| /** |
| * Test that Java crashes are parsed if the message spans multiple lines. |
| */ |
| public void testParse_multiline_message() { |
| List<String> lines = Arrays.asList( |
| "java.lang.Exception: This message", |
| "is many lines", |
| "long.", |
| "\tat class.method1(Class.java:1)", |
| "\tat class.method2(Class.java:2)", |
| "\tat class.method3(Class.java:3)"); |
| |
| JavaCrashItem jc = new JavaCrashParser().parse(lines); |
| assertNotNull(jc); |
| assertEquals("java.lang.Exception", jc.getException()); |
| assertEquals("This message\nis many lines\nlong.", jc.getMessage()); |
| assertEquals(ArrayUtil.join("\n", lines), jc.getStack()); |
| } |
| |
| /** |
| * Test that caused by sections of Java crashes are parsed, with no message or single or |
| * multiline messages. |
| */ |
| public void testParse_caused_by() { |
| List<String> lines = Arrays.asList( |
| "java.lang.Exception: This is the message", |
| "\tat class.method1(Class.java:1)", |
| "\tat class.method2(Class.java:2)", |
| "\tat class.method3(Class.java:3)", |
| "Caused by: java.lang.Exception", |
| "\tat class.method4(Class.java:4)", |
| "Caused by: java.lang.Exception: This is the caused by message", |
| "\tat class.method5(Class.java:5)", |
| "Caused by: java.lang.Exception: This is a multiline", |
| "caused by message", |
| "\tat class.method6(Class.java:6)"); |
| |
| JavaCrashItem jc = new JavaCrashParser().parse(lines); |
| assertNotNull(jc); |
| assertEquals("java.lang.Exception", jc.getException()); |
| assertEquals("This is the message", jc.getMessage()); |
| assertEquals(ArrayUtil.join("\n", lines), jc.getStack()); |
| } |
| |
| /** |
| * Test that the Java crash is cutoff if an unexpected line is handled. |
| */ |
| public void testParse_cutoff() { |
| List<String> lines = Arrays.asList( |
| "java.lang.Exception: This is the message", |
| "\tat class.method1(Class.java:1)", |
| "\tat class.method2(Class.java:2)", |
| "\tat class.method3(Class.java:3)", |
| "Invalid line", |
| "java.lang.Exception: This is the message"); |
| |
| JavaCrashItem jc = new JavaCrashParser().parse(lines); |
| assertNotNull(jc); |
| assertEquals("java.lang.Exception", jc.getException()); |
| assertEquals("This is the message", jc.getMessage()); |
| assertEquals(ArrayUtil.join("\n", lines.subList(0, lines.size()-2)), jc.getStack()); |
| } |
| |
| /** |
| * Tests that only parts between the markers are parsed. |
| */ |
| public void testParse_begin_end_markers() { |
| List<String> lines = Arrays.asList( |
| "error: this message has begin and end", |
| "----- begin exception -----", |
| "java.lang.Exception: This message", |
| "is many lines", |
| "long.", |
| "\tat class.method1(Class.java:1)", |
| "\tat class.method2(Class.java:2)", |
| "\tat class.method3(Class.java:3)", |
| "----- end exception -----"); |
| |
| JavaCrashItem jc = new JavaCrashParser().parse(lines); |
| assertNotNull(jc); |
| assertEquals("java.lang.Exception", jc.getException()); |
| assertEquals("This message\nis many lines\nlong.", jc.getMessage()); |
| assertNotNull(jc.getStack()); |
| assertFalse(jc.getStack().contains("begin exception")); |
| assertFalse(jc.getStack().contains("end exception")); |
| } |
| } |