FileEventHandleTest.java

/*
 * Copyright (c) 2013, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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
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package com.iwebpp.libuvpp.tests;

import java.io.File;
import java.lang.reflect.Method;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;

import android.util.Log;

import com.iwebpp.libuvpp.Constants;
import com.iwebpp.libuvpp.Files;
import com.iwebpp.libuvpp.cb.FileEventCallback;
import com.iwebpp.libuvpp.handles.FileEventHandle;
import com.iwebpp.libuvpp.handles.HandleFactory;
import com.iwebpp.libuvpp.handles.LoopHandle;

import static com.iwebpp.libuvpp.handles.DefaultHandleFactory.newFactory;

public class FileEventHandleTest extends TestBase {
	
	private static final String TAG = "FileEventHandleTest";

    private String testName;

    private boolean shouldSkip() {
        if (System.getProperty("os.name").toLowerCase().contains("mac")) {
            System.out.println("WARNING: skipping " + testName + "() since test does not work on Mac ");
            return true;
        }
        return false;
    }

    ///@BeforeMethod
    public void startSession(final Method method) throws Exception {
        testName = (TestBase.TMPDIR.endsWith(File.separator) ? TestBase.TMPDIR : TestBase.TMPDIR + File.separator) + method.getName();
    }

   /// @Test
    public void testFileChangeEvent() throws Throwable {
        if (shouldSkip()) return;

        final AtomicBoolean gotCallback = new AtomicBoolean(false);
        final AtomicBoolean gotClose = new AtomicBoolean(false);
        final AtomicInteger times = new AtomicInteger(0);

        final HandleFactory handleFactory = newFactory();
        final LoopHandle loop = handleFactory.getLoopHandle();
        final Files handle = handleFactory.newFiles();
        final FileEventHandle eventHandle = new FileEventHandle(loop);

        eventHandle.setCloseCallback(new FileEventCallback() {
            @Override
            public void onEvent(final int status, final String event, final String filename) throws Exception {
                System.out.println("file event closed");
                handle.unlink(testName);
                gotClose.set(true);
            }
        });

        eventHandle.setFileEventCallback(new FileEventCallback() {
            @Override
            public void onEvent(final int status, final String event, final String filename) throws Exception {
                ///Assert.assertEquals(status, 0);
                ///Assert.assertEquals(event, "change");
                ///Assert.assertTrue(testName.endsWith(filename));
                gotCallback.set(true);
                System.out.println("file event");
                times.incrementAndGet();
                eventHandle.close();
            }
        });

        final int fd = handle.open(testName, Constants.O_WRONLY | Constants.O_CREAT, Constants.S_IRWXU);
        eventHandle.start(testName, true);
        handle.ftruncate(fd, 1000);

        final long start = System.currentTimeMillis();
        while (!gotCallback.get() || !gotClose.get()) {
            if (System.currentTimeMillis() - start > TestBase.TIMEOUT) {
                ///Assert.fail("timeout waiting for file event");
            }
            loop.runNoWait();
        }

        ///Assert.assertTrue(gotCallback.get());
        ///Assert.assertTrue(gotClose.get());
        ///Assert.assertEquals(times.get(), 1);
    }

   /// @Test
    public void testFileRenameEvent() throws Throwable {
        if (shouldSkip()) return;
        final String newName = testName + "_new";
        final AtomicBoolean gotCallback = new AtomicBoolean(false);
        final AtomicBoolean gotClose = new AtomicBoolean(false);
        final AtomicInteger times = new AtomicInteger(0);

        final HandleFactory handleFactory = newFactory();
        final LoopHandle loop = handleFactory.getLoopHandle();
        final Files handle = handleFactory.newFiles();
        final FileEventHandle eventHandle = new FileEventHandle(loop);

        eventHandle.setCloseCallback(new FileEventCallback() {
            @Override
            public void onEvent(final int status, final String event, final String filename) throws Exception {
                System.out.println("file event closed");
                handle.unlink(newName);
                gotClose.set(true);
            }
        });

        eventHandle.setFileEventCallback(new FileEventCallback() {
            @Override
            public void onEvent(final int status, final String event, final String filename) throws Exception {
                ///Assert.assertEquals(status, 0);
                ///Assert.assertEquals(event, "rename");
                ///Assert.assertTrue(testName.endsWith(filename));
                gotCallback.set(true);
                System.out.println("file event");
                times.incrementAndGet();
                eventHandle.close();
            }
        });

        @SuppressWarnings("unused")
        final int fd = handle.open(testName, Constants.O_WRONLY | Constants.O_CREAT, Constants.S_IRWXU);

        eventHandle.start(testName, true);
        handle.rename(testName, newName);

        final long start = System.currentTimeMillis();
        while (!gotCallback.get() || !gotClose.get()) {
            if (System.currentTimeMillis() - start > TestBase.TIMEOUT) {
                ///Assert.fail("timeout waiting for file event");
            }
            loop.runNoWait();
        }

        ///Assert.assertTrue(gotCallback.get());
        ///Assert.assertTrue(gotClose.get());
        ///Assert.assertEquals(times.get(), 1);
    }

    ///public static void main(final String[] args) throws Throwable {
    public void run() {
		Log.d(TAG, "start test");
		
        final FileEventHandleTest test = new FileEventHandleTest();
        try {
			test.startSession(test.getClass().getMethod("testFileChangeEvent"));
		} catch (NoSuchMethodException e) {
			e.printStackTrace();
		} catch (Exception e) {
			e.printStackTrace();
		}
        try {
			test.testFileChangeEvent();
		} catch (Throwable e) {
			e.printStackTrace();
		}
        try {
			test.startSession(test.getClass().getMethod("testFileRenameEvent"));
		} catch (NoSuchMethodException e) {
			e.printStackTrace();
		} catch (Exception e) {
			e.printStackTrace();
		}
        try {
			test.testFileRenameEvent();
		} catch (Throwable e) {
			e.printStackTrace();
		}
    }

}