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Diffstat (limited to 'tests/src/com/android/loganalysis/parser/DmesgParserTest.java')
| -rw-r--r-- | tests/src/com/android/loganalysis/parser/DmesgParserTest.java | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/tests/src/com/android/loganalysis/parser/DmesgParserTest.java b/tests/src/com/android/loganalysis/parser/DmesgParserTest.java new file mode 100644 index 0000000..9374c41 --- /dev/null +++ b/tests/src/com/android/loganalysis/parser/DmesgParserTest.java @@ -0,0 +1,176 @@ +/* + * 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)))); + } + +} |