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/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.security.*;
import java.util.*;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.FileHandler;
import java.util.logging.LogManager;
/**
* @test
* @bug 8189953
* @summary tests the pattern generation algorithm
* @modules java.logging/java.util.logging:open
* @run main/othervm FileHandlerPatternGeneration
* @author danielfuchs
*/
public class FileHandlerPatternGeneration {
/**
* An array of strings where the elements at even indices are the input
* to give to FileHandler::generate(pattern, count, generation, unique),
* and the elements at the next odd index are a partially computed expected
* output, where %t, %h, %u, %g and file separator still need to be replaced.
* The final expected output is obtained by passing the partially computed
* output to FileHandlerPatternGeneration::generateExpected
* <p>
* The test verifies that {@code
* FileHandler.generate(PATTERN[i], c, g, u).toString()
* }
* is equal to {@code
* FileHandlerPatternGeneration.generateExpected(PATTERN[i],
* PATTERN[i+1],
* c, g, u)
* }
*/
static final String[] PATTERNS = {
"C:/Workspace/hoge.log", "C:/Workspace/hoge.log",
"C:/Workspace%g/hoge.log", "C:/Workspace%g/hoge.log",
"C:/%uWorkspace/hoge.log", "C:/%uWorkspace/hoge.log",
"C:/%uWorkspace%g/hoge.log", "C:/%uWorkspace%g/hoge.log",
"C:/Workspace/%ghoge.log", "C:/Workspace/%ghoge.log",
"C:/Workspace/%ghoge%u.log", "C:/Workspace/%ghoge%u.log",
"C:/Workspace-%g/hoge.log", "C:/Workspace-%g/hoge.log",
"C:/Work%hspace/hoge.log", "%h/space/hoge.log",
"C:/Works%tpace%g/hoge.log", "%t/pace%g/hoge.log",
"C:/%uWork%hspace/hoge.log", "%h/space/hoge.log",
"C:/%uWorkspace%g/%thoge.log", "%t/hoge.log",
"C:/Workspace/%g%h%%hoge.log", "%h/%%hoge.log",
"C:/Work%h%%hspace/hoge.log", "%h/%%hspace/hoge.log",
"C:/Works%t%%hpace%g/hoge.log", "%t/%%hpace%g/hoge.log",
"C:/%uWork%h%%tspace/hoge.log", "%h/%%tspace/hoge.log",
"C:/%uWorkspace%g/%t%%hoge.log", "%t/%%hoge.log",
"C:/Workspace/%g%h%%hoge.log", "%h/%%hoge.log",
"ahaha", "ahaha",
"ahaha/ahabe", "ahaha/ahabe",
"../ahaha/ahabe", "../ahaha/ahabe",
"/x%ty/w/hoge.log", "%t/y/w/hoge.log",
"/x/%ty/w/hoge.log", "%t/y/w/hoge.log",
"/x%t/y/w/hoge.log", "%t/y/w/hoge.log",
"/x/%t/y/w/hoge.log", "%t/y/w/hoge.log",
"%ty/w/hoge.log", "%t/y/w/hoge.log",
"%t/y/w/hoge.log", "%t/y/w/hoge.log",
"/x%hy/w/hoge.log", "%h/y/w/hoge.log",
"/x/%hy/w/hoge.log", "%h/y/w/hoge.log",
"/x%h/y/w/hoge.log", "%h/y/w/hoge.log",
"/x/%h/y/w/hoge.log", "%h/y/w/hoge.log",
"%hy/w/hoge.log", "%h/y/w/hoge.log",
"%h/y/w/hoge.log", "%h/y/w/hoge.log",
"ahaha-%u-%g", "ahaha-%u-%g",
"ahaha-%g/ahabe-%u", "ahaha-%g/ahabe-%u",
"../ahaha-%u/ahabe", "../ahaha-%u/ahabe",
"/x%ty/w/hoge-%g.log", "%t/y/w/hoge-%g.log",
"/x/%ty/w/hoge-%u.log", "%t/y/w/hoge-%u.log",
"%u-%g/x%t/y/w/hoge.log", "%t/y/w/hoge.log",
"/x/%g%t%u/y/w/hoge.log", "%t/%u/y/w/hoge.log",
"%ty/w-%g/hoge.log", "%t/y/w-%g/hoge.log",
"%t/y/w-%u/hoge.log", "%t/y/w-%u/hoge.log",
"/x%hy/%u-%g-w/hoge.log", "%h/y/%u-%g-w/hoge.log",
"/x/%hy/w-%u-%g/hoge.log", "%h/y/w-%u-%g/hoge.log",
"/x%h/y/w/%u-%ghoge.log", "%h/y/w/%u-%ghoge.log",
"/x/%h/y/w/hoge-%u-%g.log", "%h/y/w/hoge-%u-%g.log",
"%hy/w/%u-%g-hoge.log", "%h/y/w/%u-%g-hoge.log",
"%h/y/w/hoge-%u-%g.log", "%h/y/w/hoge-%u-%g.log",
"/x/y/z/hoge-%u.log", "/x/y/z/hoge-%u.log",
};
// the (count, generation, unique) parameters to pass to
// FileHandler.generate(pattern, count, generation, unique)
static final int[][] GENERATIONS = {
{0, 0, 0},
{0, 1, 0},
{0, 1, 1},
{1, 1, 0},
{1, 1, 1},
{1, 1, 2},
{1, 2, 3},
{3, 4, 0},
{3, 4, 1},
{3, 4, 2},
{3, 0, 5},
{3, 1, 5},
{3, 2, 5},
};
static final Class<FileHandler> FILE_HANDLER_CLASS = FileHandler.class;
static final Method GENERATE;
static final String USER_HOME;
static final String TMP;
static {
Method generate;
try {
generate = FILE_HANDLER_CLASS.getDeclaredMethod("generate",
String.class,
int.class,
int.class,
int.class);
generate.setAccessible(true);
} catch (Exception e) {
throw new ExceptionInInitializerError(e);
}
GENERATE = generate;
USER_HOME = System.getProperty("user.home");
TMP = System.getProperty("java.io.tmpdir", USER_HOME);
}
public static void main(String... args) throws Throwable {
for (int i=0; i < PATTERNS.length; i+=2) {
String s = PATTERNS[i];
String partial = PATTERNS[i+1];
System.out.println("generate: " + s);
for (int[] gen : GENERATIONS) {
String expected = generateExpected(s, partial, gen[0], gen[1], gen[2]);
String output = generate(s, gen[0], gen[1], gen[2]).toString();
System.out.println("\t" + Arrays.toString(gen)+ ": " + output);
if (!expected.equals(output)) {
throw new RuntimeException("test failed for \""
+ s +"\" " + Arrays.toString(gen) + ": "
+ "\n\tgenerated: \"" + output +"\""
+ "\n\t expected: \"" + expected +"\"");
}
}
}
}
// Strip the trailing separator from the string, if present
static String stripTrailingSeparator(String s) {
if (s.endsWith("/")) {
return s.substring(0, s.length() -1);
} else if (s.endsWith(File.separator)) {
return s.substring(0, s.length() - File.separator.length());
} else {
return s;
}
}
/**
* Compute the final expected output from a partially computed output found
* at PATTERNS[i+1]
* @param s The pattern string, found at PATTERN[i]
* (with i % 2 == 0)
* @param partial The partially computed output, found at PATTERN[i+1]
* @param count The count parameter given to FileHandler::generate
* @param generation The generation parameter given to FileHandler::generate
* @param unique The unique parameter given to FileHandler::generate
* @return The expected output that FileHandler.generate(s, count, gen, unique)
* should produce.
*/
static String generateExpected(String s, String partial,
int count, int generation, int unique)
{
boolean sawu = s.replace("%%", "$$$$").contains("%u");
boolean sawg = s.replace("%%", "$$$$").contains("%g");
String result = partial.replace("%%", "$$$$");
String tmp = stripTrailingSeparator(TMP);
String home = stripTrailingSeparator(USER_HOME);
result = result.replace("%h", home);
result = result.replace("%t", tmp);
result = result.replace("%g", String.valueOf(generation));
result = result.replace("%u", String.valueOf(unique));
result = result.replace("$$$$", "%");
result = result.replace("/", File.separator);
if (count > 1 && !sawg) {
result = result + "." + generation;
}
if (unique > 0 && !sawu) {
result = result + "." + unique;
}
return result;
}
// Calls FileHandler.generate(s, count, generation, unique) through reflection
static File generate(String s, int count, int generation, int unique)
throws Throwable
{
try {
return (File) GENERATE.invoke(null, s, count, generation, unique);
} catch (InvocationTargetException e) {
throw e.getCause();
}
}
}
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