PropertiesResolverTest.java

/*
 * ====================
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2008-2009 Sun Microsystems, Inc. All rights reserved.
 *
 * The contents of this file are subject to the terms of the Common Development
 * and Distribution License("CDDL") (the "License").  You may not use this file
 * except in compliance with the License.
 *
 * You can obtain a copy of the License at
 * http://opensource.org/licenses/cddl1.php
 * See the License for the specific language governing permissions and limitations
 * under the License.
 *
 * When distributing the Covered Code, include this CDDL Header Notice in each file
 * and include the License file at http://opensource.org/licenses/cddl1.php.
 * If applicable, add the following below this CDDL Header, with the fields
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 * ====================
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package org.identityconnectors.dbcommon;

import static org.testng.AssertJUnit.assertEquals;

import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import org.testng.Assert;
import org.testng.annotations.Test;

/**
 * Test for {@link PropertiesResolver}
 *
 * @author kitko
 *
 */
public class PropertiesResolverTest {

    /**
     * Test method for
     * {@link org.identityconnectors.dbcommon.PropertiesResolver#resolveProperties(java.util.Properties, java.util.Properties)}
     * .
     */
    @Test
    public void testResolvePropertiesPropertiesProperties() {
        Properties p1 = new Properties();
        p1.setProperty("key1", "value1");
        p1.setProperty("key2", "value2");
        p1.setProperty("key7", "${key1}");
        Map<Object, Object> p1Copy = new HashMap<Object, Object>(p1);
        Properties p2 = new Properties();
        p2.setProperty("key3", "${key1}");
        p2.setProperty("key4", "${key2}");
        Map<Object, Object> p2Copy = new HashMap<Object, Object>(p2);
        Properties p3 = PropertiesResolver.resolveProperties(p2, p1);
        assertEquals(p1Copy, p1);
        assertEquals(p2Copy, p2);
        assertEquals("value1", p3.getProperty("key3"));
        assertEquals("value2", p3.getProperty("key4"));
    }

    /**
     * Simple test
     *
     * @throws InterruptedException
     */
    @Test
    public void testSimpleResolveProperties() throws InterruptedException {
        Properties properties = new Properties();
        properties.setProperty("key1", "value1");
        properties.setProperty("key2", "Value of key1 is ${key1}");
        properties.setProperty("key3", "Reference ${key4}");
        properties = PropertiesResolver.resolveProperties(properties);
        Assert.assertEquals("Value of key1 is value1", properties.get("key2"));
        Assert.assertEquals("Reference ${key4}", properties.get("key3"));
    }

    /**
     * Tesd adavanced
     */
    @Test
    public void testAdvancedResolved() {
        Properties properties = new Properties();
        properties.setProperty("key1", "value1");
        properties.setProperty("key2", "${key1}");
        properties.setProperty("key3", "value3");
        properties.setProperty("key4", "${key2} ${key3}");
        properties = PropertiesResolver.resolveProperties(properties);
        Assert.assertEquals("value1 value3", properties.get("key4"));
    }

    /** Test that we will not fail on StackOverflowError */
    @Test
    public void testRecursion() {
        Properties properties = new Properties();
        properties.setProperty("key1", "value1 ${key3}");
        properties.setProperty("key2", "value2 ${key1}");
        properties.setProperty("key3", "value3 ${key2}");
        properties = PropertiesResolver.resolveProperties(properties);
        System.out.println(properties.get("key3"));
        Assert.assertEquals("value3 value2 value1 RECURSION", properties.get("key3"));
    }

}