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/*
* Copyright (C) 2016 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.ServiceInfoItem;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.List;
import junit.framework.TestCase;
/**
* Unit tests for {@link DmesgParser}.
*/
public class DmesgParserTest extends TestCase {
private static final String BOOT_ANIMATION = "bootanim";
private static final String NETD = "netd";
private static final String DMESG_LOG = "dmesg_logs";
private File mTempFile = null;
/**
* Test for empty dmesg logs passed to the DmesgParser
*/
public void testEmptyDmesgLog() throws IOException {
List<String> lines = Arrays.asList("");
File testFile = getTempFile(lines);
BufferedReader bufferedReader = new BufferedReader(readInputBuffer(testFile));
List<ServiceInfoItem> serviceItems = (new DmesgParser()).
parseServiceInfo(bufferedReader);
assertEquals("Service info items list should be empty", 0, serviceItems.size());
bufferedReader.close();
testFile.delete();
}
/**
* Test service which logs both the start and end time
*/
public void testCompleteServiceInfo() throws IOException {
List<String> lines = Arrays.asList(
"[ 22.962730] init: starting service 'bootanim'...",
"[ 29.331069] ipa-wan ipa_wwan_ioctl:1428 dev(rmnet_data0) register to IPA",
"[ 32.182592] ueventd: fixup /sys/devices/virtual/input/poll_delay 0 1004 660",
"[ 35.642666] SELinux: initialized (dev fuse, type fuse), uses genfs_contexts",
"[ 39.855818] init: Service 'bootanim' (pid 588) exited with status 0");
File testFile = getTempFile(lines);
BufferedReader bufferedReader = new BufferedReader(readInputBuffer(testFile));
List<ServiceInfoItem> serviceInfoItems = (new DmesgParser()).
parseServiceInfo(bufferedReader);
assertEquals("There should be atleast one service info", 1,
serviceInfoItems.size());
assertEquals("Service name is not boot anim", BOOT_ANIMATION,
serviceInfoItems.get(0).getServiceName());
assertEquals("Service start time is not correct", new Long(22962), serviceInfoItems.get(0)
.getStartTime());
assertEquals("Service end time is not correct", new Long(39855), serviceInfoItems.get(0)
.getEndTime());
assertEquals("Service duration is nott correct", new Long(16893), serviceInfoItems.get(0)
.getServiceDuration());
bufferedReader.close();
testFile.delete();
}
/**
* Test service which logs only the start time
*/
public void testStartServiceInfo() throws IOException {
List<String> lines = Arrays.asList(
"[ 23.252321] init: starting service 'netd'...",
"[ 29.331069] ipa-wan ipa_wwan_ioctl:1428 dev(rmnet_data0) register to IPA",
"[ 32.182592] ueventd: fixup /sys/devices/virtual/input/poll_delay 0 1004 660",
"[ 35.642666] SELinux: initialized (dev fuse, type fuse), uses genfs_contexts");
File testFile = getTempFile(lines);
BufferedReader bufferedReader = new BufferedReader(readInputBuffer(testFile));
List<ServiceInfoItem> serviceInfoItems = (new DmesgParser()).
parseServiceInfo(bufferedReader);
assertEquals("There should be exactly one service info", 1,
serviceInfoItems.size());
assertEquals("Service name is not netd", NETD,
serviceInfoItems.get(0).getServiceName());
bufferedReader.close();
testFile.delete();
}
/**
* Test multiple service info parsed correctly and stored in the same order logged in
* the file.
*/
public void testMultipleServiceInfo() throws IOException {
List<String> lines = Arrays.asList(
"[ 22.962730] init: starting service 'bootanim'...",
"[ 23.252321] init: starting service 'netd'...",
"[ 29.331069] ipa-wan ipa_wwan_ioctl:1428 dev(rmnet_data0) register to IPA",
"[ 32.182592] ueventd: fixup /sys/devices/virtual/inputpoll_delay 0 1004 660",
"[ 35.642666] SELinux: initialized (dev fuse, type fuse), uses genfs_contexts",
"[ 39.855818] init: Service 'bootanim' (pid 588) exited with status 0");
File testFile = getTempFile(lines);
BufferedReader bufferedReader = new BufferedReader(readInputBuffer(testFile));
List<ServiceInfoItem> serviceInfoItems = (new DmesgParser()).
parseServiceInfo(bufferedReader);
assertEquals("There should be exactly two service info", 2,
serviceInfoItems.size());
assertEquals("First service name is not boot anim", BOOT_ANIMATION,
serviceInfoItems.get(0).getServiceName());
assertEquals("Second service name is not netd", NETD,
serviceInfoItems.get(1).getServiceName());
bufferedReader.close();
testFile.delete();
}
/**
* Test invalid patterns on the start and exit service logs
*/
public void testInvalidServiceLogs() throws IOException {
// Added space at the end of the start and exit of service logs to make it invalid
List<String> lines = Arrays.asList(
"[ 22.962730] init: starting service 'bootanim'... ",
"[ 23.252321] init: starting service 'netd'... ",
"[ 29.331069] ipa-wan ipa_wwan_ioctl:1428 dev(rmnet_data0) register to IPA",
"[ 32.182592] ueventd: fixup /sys/devices/virtual/input/poll_delay 0 1004 660",
"[ 35.642666] SELinux: initialized (dev fuse, type fuse), uses genfs_contexts",
"[ 39.855818] init: Service 'bootanim' (pid 588) exited with status 0 ");
File testFile = getTempFile(lines);
BufferedReader bufferedReader = new BufferedReader(readInputBuffer(testFile));
List<ServiceInfoItem> serviceInfoItems = (new DmesgParser()).
parseServiceInfo(bufferedReader);
assertEquals("No service info should be available", 0,
serviceInfoItems.size());
bufferedReader.close();
testFile.delete();
}
/**
* Write list of strings to file and use it for testing.
*/
public File getTempFile(List<String> sampleEventsLogs) throws IOException {
mTempFile = File.createTempFile(DMESG_LOG, ".txt");
BufferedWriter out = new BufferedWriter(new FileWriter(mTempFile));
for (String line : sampleEventsLogs) {
out.write(line);
out.newLine();
}
out.close();
return mTempFile;
}
/**
* Reader to read the input from the given temp file
*/
public BufferedReader readInputBuffer(File tempFile) throws IOException {
return (new BufferedReader(new InputStreamReader(new FileInputStream(tempFile))));
}
}
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