org.cloudfoundry.runtime.CloudServicesScannerTest.java Source code

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Here is the source code for org.cloudfoundry.runtime.CloudServicesScannerTest.java

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/*
 * Copyright 2009-2011 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.cloudfoundry.runtime;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.http.HttpStatus;
import org.springframework.web.client.HttpClientErrorException;

/**
 * Integration test that deploys the test webapp and ensures that all
 * dependencies are properly resolved and injected when using
 * <cloud:service-scan>
 *
 * @author Jennifer Hickey
 *
 */
public class CloudServicesScannerTest extends CloudServicesTest {

    @Before
    public void setUp() throws IOException {
        super.setUp();
    }

    @Override
    protected String getProfileName() {
        return "service-scan";
    }

    @After
    public void tearDown() {
        super.tearDown();
    }

    /**
     * Verifies that service scan will create beans for bound services when we
     * do not have services of all types deployed
     *
     * @throws IOException
     */
    @SuppressWarnings("unchecked")
    @Test
    public void serviceScanMissingSomeServices() throws IOException {
        List<String> serviceNames = createServicesMinusMongo();
        createAndStartApp("cf-runtime-test-app", serviceNames);
        assertTrue("Test application is not available",
                testAppCreator.isAppAvailable(computeAppUrl(), 500l, 120000l));
        Map<String, Object> cloudProps = restTemplate.getForObject(computeAppUrl() + "/properties", Map.class);
        assertFalse(cloudProps.isEmpty());
        // Check for 404s on rest of dependencies
        restTemplate.getForObject(computeAppUrl() + "/mysql", String.class);
        restTemplate.getForObject(computeAppUrl() + "/redis/class", String.class);
        restTemplate.getForObject(computeAppUrl() + "/rabbit", String.class);
        restTemplate.getForObject(computeAppUrl() + "/postgres", String.class);
        try {
            restTemplate.getForObject(computeAppUrl() + "/mongo", String.class);
            fail("Mongo service bean should not be created");
        } catch (HttpClientErrorException e) {
            if (!(e.getStatusCode().equals(HttpStatus.NOT_FOUND))) {
                fail("Expected a 404 when looking for mongo service bean.  Got: " + e);
            }
        }
    }

    /**
     * Verifies that service scan will not throw any Exceptions if the app is
     * missing dependencies such as spring-data-mongo, etc. The
     * missing-deps-test-app uses cloud:service-scan and is actually missing
     * every service dependency (spring-amqp, spring-data, a DataSource), but
     * the app should start successfully as long as there are no services bound
     *
     * @throws IOException
     */
    @SuppressWarnings("unchecked")
    @Test
    public void serviceScanMissingDependencies() throws IOException {
        createAndStartApp("cf-runtime-missing-deps-test-app", Collections.EMPTY_LIST);
        assertTrue("Test application is not available",
                testAppCreator.isAppAvailable(computeAppUrl(), 500l, 120000l));
    }

    private List<String> createServicesMinusMongo() {
        List<String> serviceNames = Arrays.asList(
                new String[] { DB_SERVICE_NAME, REDIS_SERVICE_NAME, RABBIT_SERVICE_NAME, POSTGRES_SERVICE_NAME });
        testAppCreator.createService(DB_SERVICE_NAME, "mysql");
        testAppCreator.createService(REDIS_SERVICE_NAME, "redis");
        testAppCreator.createService(RABBIT_SERVICE_NAME, "rabbitmq");
        testAppCreator.createService(POSTGRES_SERVICE_NAME, "postgresql");
        return serviceNames;
    }
}