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 *  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
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package org.apache.cayenne.configuration;

import org.junit.Test;

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

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;

public class DefaultRuntimePropertiesTest {

    @Test
    public void testGet_FromMap() {
        Map<String, String> propertiesMap = new HashMap<>();
        propertiesMap.put("key1", "v1");

        DefaultRuntimeProperties properties = new DefaultRuntimeProperties(propertiesMap);
        assertEquals("v1", properties.get("key1"));
        assertNull(properties.get("key2"));
    }

    @Test
    public void testGet_FromSystem() {

        String userDir = System.getProperty("user.dir");
        assertNotNull(userDir);

        Map<String, String> propertiesMap = new HashMap<>();

        DefaultRuntimeProperties properties = new DefaultRuntimeProperties(propertiesMap);
        assertEquals(userDir, properties.get("user.dir"));
    }

    @Test
    public void testGet_FromSystemOverridesMap() {

        String userDir = System.getProperty("user.dir");
        assertNotNull(userDir);

        Map<String, String> propertiesMap = new HashMap<>();
        propertiesMap.put("user.dir", userDir + "_altered");

        DefaultRuntimeProperties properties = new DefaultRuntimeProperties(propertiesMap);
        assertEquals(userDir, properties.get("user.dir"));
    }
}