TestConfigLoader.java

package humanize.config;

import java.net.URL;
import java.util.Properties;

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

import com.google.common.cache.CacheBuilderSpec;

public class TestConfigLoader
{

    @Test
    public void defaultsTests()
    {

        Properties p = ConfigLoader.loadProperties("inexistent.properties");
        Assert.assertNotNull(p);
        String specStr = p.getProperty(ConfigLoader.CACHE_BUILDER_SPEC);
        Assert.assertEquals(specStr, "expireAfterAccess=1h");

        CacheBuilderSpec spec = CacheBuilderSpec.parse(specStr);
        Assert.assertNotNull(spec);

    }

    @Test
    public void loadTest()
    {

        Properties p = ConfigLoader.loadProperties();
        Assert.assertNotNull(p);
        String specStr = p.getProperty(ConfigLoader.CACHE_BUILDER_SPEC);
        Assert.assertEquals(specStr, "expireAfterAccess=15m");

        CacheBuilderSpec spec = CacheBuilderSpec.parse(specStr);
        Assert.assertNotNull(spec);

    }

    @Test
    public void locateTest()
    {

        URL url = ConfigLoader.locateConfig("humanize.properties");
        Assert.assertNotNull(url);
        Assert.assertTrue(url.toExternalForm().endsWith("humanize.properties"));

    }

    @Test
    public void systemPropertyTest()
    {

        System.setProperty("humanize.config", "humanize.alt.properties");
        Properties p = ConfigLoader.loadProperties();
        Assert.assertNotNull(p);
        String specStr = p.getProperty(ConfigLoader.CACHE_BUILDER_SPEC);
        Assert.assertEquals(specStr, "expireAfterAccess=30m");

        CacheBuilderSpec spec = CacheBuilderSpec.parse(specStr);
        Assert.assertNotNull(spec);

    }

    @Test(expectedExceptions = IllegalArgumentException.class)
    public void unparseableSpecTest()
    {

        CacheBuilderSpec.parse("bla blablaba !");

    }

}