ModuleOptionsTest.java

/*
 * Copyright 2015 the original author or authors.
 * Licensed 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
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.springframework.xd.samples;

import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
import static org.springframework.xd.module.ModuleType.*;

import org.hamcrest.Matcher;
import org.junit.Test;

import org.springframework.xd.module.ModuleDefinition;
import org.springframework.xd.module.ModuleDefinitions;
import org.springframework.xd.module.options.DefaultModuleOptionsMetadataResolver;
import org.springframework.xd.module.options.ModuleOption;
import org.springframework.xd.module.options.ModuleOptionsMetadata;
import org.springframework.xd.module.options.ModuleOptionsMetadataResolver;


/**
 * Tests expected module properties are present.
 *
 * @author David Turanski
 */
public class ModuleOptionsTest {

	@Test
	public void testModuleOptions() {
		ModuleOptionsMetadataResolver moduleOptionsMetadataResolver = new DefaultModuleOptionsMetadataResolver();
		String resource = "classpath:/";
		ModuleDefinition definition = ModuleDefinitions.simple("redis-store", sink, resource);
		ModuleOptionsMetadata metadata = moduleOptionsMetadataResolver.resolve(definition);

		assertThat(
				metadata,
				containsInAnyOrder(moduleOptionNamed("collection"), moduleOptionNamed("host"),
						moduleOptionNamed("port")));

		for (ModuleOption moduleOption : metadata) {
			if (moduleOption.getName().equals("collection")) {
				assertEquals("${xd.stream.name}", moduleOption.getDefaultValue());
			}
			if (moduleOption.getName().equals("port")) {
				assertEquals("6379", moduleOption.getDefaultValue());
			}
			if (moduleOption.getName().equals("host")) {
				assertEquals("localhost", moduleOption.getDefaultValue());
			}
		}
	}

	public static Matcher<ModuleOption> moduleOptionNamed(String name) {
		return hasProperty("name", equalTo(name));
	}
}