/*
 * Copyright (C) 2012 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.cts.monkey;

import com.android.tradefed.device.CollectingOutputReceiver;

import com.android.compatibility.common.util.CddTest;

import java.util.concurrent.TimeUnit;
import java.util.regex.Pattern;

public class PackageTest extends AbstractMonkeyTest {

    private static final long MAX_TIMEOUT = 5 * 60 * 1000; // 5 min
    private static final int MAX_ERROR_LENGTH = 256;
    private static final Pattern ALLOW_MONKEY =
            Pattern.compile("^.*Allowing.*cmp=com\\.android\\.cts\\.monkey/\\.MonkeyActivity.*$",
                    Pattern.MULTILINE);

    private static final Pattern ALLOW_CHIMP =
            Pattern.compile("^.*Allowing.*cmp=com\\.android\\.cts\\.monkey2/\\.ChimpActivity.*$",
                    Pattern.MULTILINE);

    @CddTest(requirement="6.1/C-0-8")
    public void testSinglePackage() throws Exception {
        String cmd = MONKEY_CMD + " -v -p " + PKGS[0] + " 5000";
        CollectingOutputReceiver receiver = new CollectingOutputReceiver();
        try {
            mDevice.executeShellCommand(cmd, receiver, MAX_TIMEOUT, TimeUnit.MILLISECONDS, 0);
            String out = receiver.getOutput();
            String error = truncateError(out);
            assertTrue("Monkey not found in: " + error, ALLOW_MONKEY.matcher(out).find());
            assertFalse("Chimp found in: " + error, ALLOW_CHIMP.matcher(out).find());
        } finally {
            receiver.cancel();
            receiver.clearBuffer();
            receiver = null;
        }

        String cmd2 = MONKEY_CMD + " -v -p " + PKGS[1] + " 5000";
        CollectingOutputReceiver receiver2 = new CollectingOutputReceiver();
        try {
            mDevice.executeShellCommand(cmd2, receiver2, MAX_TIMEOUT, TimeUnit.MILLISECONDS, 0);
            String out = receiver2.getOutput();
            String error = truncateError(out);
            assertFalse("Monkey found in: " + error, ALLOW_MONKEY.matcher(out).find());
            assertTrue("Chimp not found in: " + error, ALLOW_CHIMP.matcher(out).find());
        } finally {
            receiver2.cancel();
            receiver2.clearBuffer();
            receiver2 = null;
        }
    }

    @CddTest(requirement="6.1/C-0-8")
    public void testMultiplePackages() throws Exception {
        String cmd = MONKEY_CMD + " -v -p " + PKGS[0] + " -p " + PKGS[1] + " 5000";
        CollectingOutputReceiver receiver = new CollectingOutputReceiver();
        try {
            mDevice.executeShellCommand(cmd, receiver, MAX_TIMEOUT, TimeUnit.MILLISECONDS, 0);
            String out = receiver.getOutput();
            String error = truncateError(out);
            assertTrue("Monkey not found in: " + error, ALLOW_MONKEY.matcher(out).find());
            assertTrue("Chimp not found in: " + error, ALLOW_CHIMP.matcher(out).find());
        } finally {
            receiver.cancel();
            receiver.clearBuffer();
            receiver = null;
        }
    }

    private static final String truncateError(String input) {
        return input.substring(0, Math.min(input.length(), MAX_ERROR_LENGTH));
    }
}