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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.DmesgActionInfoItem;
import com.android.loganalysis.item.DmesgItem;
import com.android.loganalysis.item.DmesgServiceInfoItem;
import com.android.loganalysis.item.DmesgStageInfoItem;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
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[] LINES = new String[] {
"[ 3.786943] ueventd: Coldboot took 0.701291 seconds",
"[ 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",
"[ 41.665818] init: init first stage started!",
"[ 44.942872] init: processing action (early-init) from (/init.rc:13)",
"[ 47.233446] init: processing action (set_mmap_rnd_bits) from (<Builtin Action>:0)",
"[ 47.240083] init: processing action (set_kptr_restrict) from (<Builtin Action>:0)",
"[ 47.245778] init: processing action (keychord_init) from (<Builtin Action>:0)",
"[ 52.361049] init: processing action (persist.sys.usb.config=* boot) from (<Builtin Action>:0)",
"[ 52.361108] init: processing action (enable_property_trigger) from (<Builtin Action>:0)",
"[ 52.361313] init: processing action (security.perf_harden=1) from (/init.rc:677)",
"[ 52.361495] init: processing action (ro.debuggable=1) from (/init.rc:700)",
"[ 59.331069] ipa-wan ipa_wwan_ioctl:1428 dev(rmnet_data0) register to IPA",
"[ 62.182592] ueventd: fixup /sys/devices/virtual/input/poll_delay 0 1004 660",
"[ 65.642666] SELinux: initialized (dev fuse, type fuse), uses genfs_contexts",
"[ 69.855818] init: Service 'bootanim' (pid 588) exited with status 0"};
private static final Map<String, DmesgServiceInfoItem> EXPECTED_SERVICE_INFO_ITEMS =
getExpectedServiceInfoItems();
private static final List<DmesgStageInfoItem> EXPECTED_STAGE_INFO_ITEMS =
getExpectedStageInfoItems();
private static final List<DmesgActionInfoItem> EXPECTED_ACTION_INFO_ITEMS =
getExpectedActionInfoItems();
/**
* Test for empty dmesg logs passed to the DmesgParser
*/
public void testEmptyDmesgLog() throws IOException {
String[] lines = new String[] {""};
try (BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(
new ByteArrayInputStream(String.join("\n", lines).getBytes())))) {
DmesgParser dmesgParser = new DmesgParser();
dmesgParser.parseInfo(bufferedReader);
assertEquals("Service info items list should be empty", 0,
dmesgParser.getServiceInfoItems().size());
}
}
/**
* Test for complete dmesg logs passed as list of strings
*/
public void testCompleteDmesgLog_passedAsList() {
DmesgParser dmesgParser = new DmesgParser();
DmesgItem actualDmesgItem = dmesgParser.parse(Arrays.asList(LINES));
assertEquals("Service info items list size should be 2", 2,
dmesgParser.getServiceInfoItems().size());
assertEquals("Stage info items list size should be 2", 2,
dmesgParser.getStageInfoItems().size());
assertEquals("Action info items list size should be 8", 8,
dmesgParser.getActionInfoItems().size());
assertEquals(EXPECTED_SERVICE_INFO_ITEMS, actualDmesgItem.getServiceInfoItems());
assertEquals(EXPECTED_STAGE_INFO_ITEMS, actualDmesgItem.getStageInfoItems());
assertEquals(EXPECTED_ACTION_INFO_ITEMS, actualDmesgItem.getActionInfoItems());
}
/**
* Test for complete dmesg logs passed as buffered input
*/
public void testCompleteDmesgLog_passedAsBufferedInput() throws IOException {
try (BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(
new ByteArrayInputStream(String.join("\n", LINES).getBytes())))) {
DmesgParser dmesgParser = new DmesgParser();
dmesgParser.parseInfo(bufferedReader);
assertEquals("Service info items list size should be 2", 2,
dmesgParser.getServiceInfoItems().size());
assertEquals("Stage info items list size should be 2", 2,
dmesgParser.getStageInfoItems().size());
assertEquals("Action info items list size should be 8", 8,
dmesgParser.getActionInfoItems().size());
}
}
/**
* Test service which logs both the start and end time
*/
public void testCompleteServiceInfo() {
DmesgParser dmesgParser = new DmesgParser();
for (String line : LINES) {
dmesgParser.parseServiceInfo(line);
}
assertEquals("There should be two service infos", 2,
dmesgParser.getServiceInfoItems().size());
assertEquals(EXPECTED_SERVICE_INFO_ITEMS, dmesgParser.getServiceInfoItems());
}
/**
* Test service which logs only the start time
*/
public void testStartServiceInfo() {
DmesgParser dmesgParser = new DmesgParser();
for (String line : LINES) {
dmesgParser.parseServiceInfo(line);
}
List<DmesgServiceInfoItem> serviceInfoItems = new ArrayList<>(
dmesgParser.getServiceInfoItems().values());
assertEquals("There should be exactly two service infos", 2, serviceInfoItems.size());
assertEquals("Service name is not bootanim", BOOT_ANIMATION,
serviceInfoItems.get(0).getServiceName());
assertEquals("Service name is not netd", NETD, serviceInfoItems.get(1).getServiceName());
}
/**
* Test multiple service info parsed correctly and stored in the same order logged in
* the file.
*/
public void testMultipleServiceInfo() {
DmesgParser dmesgParser = new DmesgParser();
for (String line : LINES) {
dmesgParser.parseServiceInfo(line);
}
assertEquals("There should be exactly two service info", 2,
dmesgParser.getServiceInfoItems().size());
assertEquals(EXPECTED_SERVICE_INFO_ITEMS, dmesgParser.getServiceInfoItems());
}
/**
* Test invalid patterns on the start and exit service logs
*/
public void testInvalidServiceLogs() {
// Added space at the end of the start and exit of service logs to make it invalid
String[] lines = new String[] {
"[ 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 "};
DmesgParser dmesgParser = new DmesgParser();
for (String line : lines) {
dmesgParser.parseServiceInfo(line);
}
List<DmesgServiceInfoItem> serviceInfoItems = new ArrayList<>(
dmesgParser.getServiceInfoItems().values());
assertEquals("No service info should be available", 0, serviceInfoItems.size());
}
/**
* Test init stages' start time logs
*/
public void testCompleteStageInfo() {
DmesgParser dmesgParser = new DmesgParser();
for (String line : LINES) {
dmesgParser.parseStageInfo(line);
}
List<DmesgStageInfoItem> stageInfoItems = dmesgParser.getStageInfoItems();
assertEquals(2, stageInfoItems.size());
assertEquals(EXPECTED_STAGE_INFO_ITEMS, stageInfoItems);
}
/**
* Test processing action start time logs
*/
public void testCompleteActionInfo() {
DmesgParser dmesgParser = new DmesgParser();
for (String line : LINES) {
dmesgParser.parseActionInfo(line);
}
List<DmesgActionInfoItem> actualActionInfoItems = dmesgParser.getActionInfoItems();
assertEquals(8, actualActionInfoItems.size());
assertEquals(EXPECTED_ACTION_INFO_ITEMS, actualActionInfoItems);
}
private static List<DmesgActionInfoItem> getExpectedActionInfoItems() {
return Arrays.asList(
new DmesgActionInfoItem("early-init", (long) (Double.parseDouble("44942.872"))),
new DmesgActionInfoItem("set_mmap_rnd_bits",
(long) (Double.parseDouble("47233.446"))),
new DmesgActionInfoItem("set_kptr_restrict",
(long) (Double.parseDouble("47240.083"))),
new DmesgActionInfoItem("keychord_init", (long) (Double.parseDouble("47245.778"))),
new DmesgActionInfoItem("persist.sys.usb.config=* boot",
(long) (Double.parseDouble("52361.049"))),
new DmesgActionInfoItem("enable_property_trigger",
(long) (Double.parseDouble("52361.108"))),
new DmesgActionInfoItem("security.perf_harden=1",
(long) (Double.parseDouble("52361.313"))),
new DmesgActionInfoItem("ro.debuggable=1",
(long) (Double.parseDouble("52361.495"))));
}
private static List<DmesgStageInfoItem> getExpectedStageInfoItems() {
return Arrays.asList(
new DmesgStageInfoItem("ueventd_Coldboot", null, 701L),
new DmesgStageInfoItem("first", 41665L, null));
}
private static Map<String, DmesgServiceInfoItem> getExpectedServiceInfoItems() {
Map<String, DmesgServiceInfoItem> serviceInfoItemsMap = new HashMap<>();
DmesgServiceInfoItem bootanimServiceInfoItem = new DmesgServiceInfoItem();
bootanimServiceInfoItem.setServiceName(BOOT_ANIMATION);
bootanimServiceInfoItem.setStartTime(22962L);
bootanimServiceInfoItem.setEndTime(69855L);
DmesgServiceInfoItem netdServiceInfoItem = new DmesgServiceInfoItem();
netdServiceInfoItem.setServiceName(NETD);
netdServiceInfoItem.setStartTime(23252L);
serviceInfoItemsMap.put(BOOT_ANIMATION, bootanimServiceInfoItem);
serviceInfoItemsMap.put(NETD, netdServiceInfoItem);
return serviceInfoItemsMap;
}
}
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