QuotasTest.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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 org.apache.zookeeper.test;

import static org.junit.Assert.assertEquals;
import org.apache.zookeeper.Quotas;
import org.junit.Test;

public class QuotasTest {

    @Test
    public void testStatPath() {
        assertEquals("/zookeeper/quota/foo/zookeeper_stats", Quotas.statPath("/foo"));
        assertEquals("/zookeeper/quota/bar/zookeeper_stats", Quotas.statPath("/bar"));
    }

    @Test
    public void testLimitPath() {
        assertEquals("/zookeeper/quota/foo/zookeeper_limits", Quotas.limitPath("/foo"));
        assertEquals("/zookeeper/quota/bar/zookeeper_limits", Quotas.limitPath("/bar"));
    }

    @Test
    public void testQuotaPathPath() {
        assertEquals("/zookeeper/quota/bar", Quotas.quotaPath("/bar"));
        assertEquals("/zookeeper/quota/foo", Quotas.quotaPath("/foo"));
    }

    @Test
    public void testTrimQuotaPath() {
        assertEquals("/foo", Quotas.trimQuotaPath("/zookeeper/quota/foo"));
        assertEquals("/bar", Quotas.trimQuotaPath("/zookeeper/quota/bar"));
        assertEquals("/a/b", Quotas.trimQuotaPath("/zookeeper/quota/a/b"));
    }

    @Test
    public void testTrimQuotaPathIsBoundsSafe() {
        // Paths not under /zookeeper/quota must not throw
        // StringIndexOutOfBoundsException (they reach this method via the
        // transaction-apply path and would otherwise kill the server).
        assertEquals("", Quotas.trimQuotaPath("/zookeeper"));
        assertEquals("", Quotas.trimQuotaPath("/z"));
        assertEquals("", Quotas.trimQuotaPath(""));
        assertEquals("", Quotas.trimQuotaPath("/some/other/path"));
        // the /zookeeper/quota root itself trims to an empty namespace
        assertEquals("", Quotas.trimQuotaPath("/zookeeper/quota"));
    }
}