LocalConfigUtilTest.java

package org.springframework.cloud.localconfig;

import static org.junit.Assert.*;

import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;

import org.junit.Before;
import org.junit.Test;
import org.springframework.cloud.service.UriBasedServiceData;

public class LocalConfigUtilTest {

	private Properties first, second;

	private LinkedHashMap<String, Properties> propertySources;

	@Before
	public void initProperties() {
		first = new Properties();
		second = new Properties();

		propertySources = new LinkedHashMap<String, Properties>();
		propertySources.put("first", first);
		propertySources.put("second", second);
	}

	@Test
	public void testPropertyParsing() {
		first.setProperty("spring.cloud.appId", "should skip me because I'm meta");
		first.setProperty("spring.cloud.service1", "one");
		first.setProperty("spring.cloud.", "should skip me because I don't have an ID");
		first.setProperty("spring.cloud.service.two", "two");
		first.setProperty("foobar", "should skip me because I don't match the prefix");

		Map<String, String> services = LocalConfigUtil.readServices(first);
		assertEquals(2, services.size());
		assertEquals("one", services.get("service1"));
		assertEquals("two", services.get("service.two"));
	}

	@Test
	public void testCollation() {
		first.setProperty("spring.cloud.first", "firstUri");
		second.setProperty("spring.cloud.second", "secondUri");

		List<UriBasedServiceData> serviceData = LocalConfigUtil.readServicesData(propertySources);
		assertEquals(2, serviceData.size());
		boolean foundFirst = false;

		for (UriBasedServiceData kvp : serviceData) {
			if (kvp.getKey().equals("first")) {
				assertEquals("firstUri", kvp.getUri());
				foundFirst = true;
			}
		}

		assertTrue(foundFirst);
	}

	@Test
	public void testOverride() {
		first.setProperty("spring.cloud.duplicate", "firstUri");
		second.setProperty("spring.cloud.duplicate", "secondUri");

		List<UriBasedServiceData> serviceData = LocalConfigUtil.readServicesData(propertySources);
		assertEquals(1, serviceData.size());
		UriBasedServiceData kvp = serviceData.get(0);
		assertEquals("duplicate", kvp.getKey());
		assertEquals("secondUri", kvp.getUri());
	}
}