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