/*
* Copyright (C) 2013 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.tools.idea.logcat;
import com.google.common.base.Joiner;
import com.google.common.base.Splitter;
import com.intellij.openapi.util.text.StringUtil;
import junit.framework.TestCase;
import java.util.ArrayList;
import java.util.List;
public class StackTraceExpanderTest extends TestCase {
public void testExpander() {
String input = "HighLevelException: MidLevelException: LowLevelException\n" +
" at Junk.a(Junk.java:13)\n" +
" at Junk.main(Junk.java:4)\n" +
" Caused by: MidLevelException: LowLevelException\n" +
" at Junk.c(Junk.java:23)\n" +
" at Junk.b(Junk.java:17)\n" +
" at Junk.a(Junk.java:11)\n" +
" ... 1 more\n" +
" Caused by: LowLevelException\n" +
" at Junk.e(Junk.java:30)\n" +
" at Junk.d(Junk.java:27)\n" +
" at Junk.c(Junk.java:21)\n" +
" ... 3 more\n";
String expectedOutput = "HighLevelException: MidLevelException: LowLevelException\n" +
" at Junk.a(Junk.java:13)\n" +
" at Junk.main(Junk.java:4)\n" +
" Caused by: MidLevelException: LowLevelException\n" +
" at Junk.c(Junk.java:23)\n" +
" at Junk.b(Junk.java:17)\n" +
" at Junk.a(Junk.java:11)\n" +
" at Junk.main(Junk.java:4)\n" +
" Caused by: LowLevelException\n" +
" at Junk.e(Junk.java:30)\n" +
" at Junk.d(Junk.java:27)\n" +
" at Junk.c(Junk.java:21)\n" +
" at Junk.b(Junk.java:17)\n" +
" at Junk.a(Junk.java:11)\n" +
" at Junk.main(Junk.java:4)\n";
test(input, expectedOutput);
}
public void testExpander2() {
String input = "10-02 15:22:48.811 24985-24998/com.example.t1 E/e1﹕ error\n" +
"java.lang.SecurityException: Permission denied (missing INTERNET permission?)\n" +
" at java.net.InetAddress.lookupHostByName(InetAddress.java:418)\n" +
" at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)\n" +
" at java.net.InetAddress.getAllByName(InetAddress.java:214)\n" +
" at java.lang.Thread.run(Thread.java:841)\n" +
" Caused by: libcore.io.GaiException: getaddrinfo failed: EAI_NODATA (No address associated with hostname)\n" +
" at java.net.InetAddress.lookupHostByName(InetAddress.java:405)\n" +
" ... 2 more\n" +
" Caused by: libcore.io.ErrnoException: getaddrinfo failed: EACCES (Permission denied)\n" +
" ... 3 more\n";
String expected = "10-02 15:22:48.811 24985-24998/com.example.t1 E/e1﹕ error\n" +
"java.lang.SecurityException: Permission denied (missing INTERNET permission?)\n" +
" at java.net.InetAddress.lookupHostByName(InetAddress.java:418)\n" +
" at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)\n" +
" at java.net.InetAddress.getAllByName(InetAddress.java:214)\n" +
" at java.lang.Thread.run(Thread.java:841)\n" +
" Caused by: libcore.io.GaiException: getaddrinfo failed: EAI_NODATA (No address associated with hostname)\n" +
" at java.net.InetAddress.lookupHostByName(InetAddress.java:405)\n" +
" at java.net.InetAddress.getAllByName(InetAddress.java:214)\n" +
" at java.lang.Thread.run(Thread.java:841)\n" +
" Caused by: libcore.io.ErrnoException: getaddrinfo failed: EACCES (Permission denied)\n" +
" at java.net.InetAddress.lookupHostByName(InetAddress.java:405)\n" +
" at java.net.InetAddress.getAllByName(InetAddress.java:214)\n" +
" at java.lang.Thread.run(Thread.java:841)\n";
test(input, expected);
}
private void test(String input, String expectedOutput) {
StackTraceExpander expander = new StackTraceExpander(
"", // don't add any extra prefixes
StringUtil.repeatSymbol(' ', 9), // 9 spaces before at symbol in standard Java traces, used above
StringUtil.repeatSymbol(' ', 11), // indent the expanded traces by 2 additional characters
" "); // 1 space before "Caused by:" in the stack traces used above
List<String> output = new ArrayList<String>();
for (String line: Splitter.on('\n').split(input)) {
line = line.trim();
output.add(expander.expand(line));
}
assertEquals(expectedOutput, Joiner.on('\n').join(output));
}
public void testStackFrameMatcher() {
String[] validFrames = new String[] {
"at com.example.t1.MainActivity.one(MainActivity.java:31)",
"at android.app.ActivityThread.access$700(ActivityThread.java:134)",
"at java.lang.reflect.Method.invokeNative(Native Method)",
};
for (String frame: validFrames) {
assertTrue(StackTraceExpander.isStackFrame(frame));
}
String[] invalidFrames = new String[] {
"Caused by: java.lang.RuntimeException",
"... 15 more"
};
for (String frame: invalidFrames) {
assertFalse(StackTraceExpander.isStackFrame(frame));
}
}
public void testElidedCount() {
assertEquals(3, StackTraceExpander.getElidedFrameCount("... 3 more"));
assertEquals(-1, StackTraceExpander.getElidedFrameCount("... more follow"));
}
}