io.pivotal.spring.cloud.cloudfoundry.HystrixAmqpServiceInfoCreatorTest.java Source code

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Here is the source code for io.pivotal.spring.cloud.cloudfoundry.HystrixAmqpServiceInfoCreatorTest.java

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/*
 * 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 io.pivotal.spring.cloud.cloudfoundry;

import java.util.List;

import io.pivotal.spring.cloud.service.common.HystrixAmqpServiceInfo;
import org.junit.Test;

import org.springframework.cloud.cloudfoundry.AbstractCloudFoundryConnectorTest;
import org.springframework.cloud.service.ServiceInfo;
import org.springframework.cloud.service.common.AmqpServiceInfo;

import static org.junit.Assert.fail;
import static org.mockito.Mockito.when;

/**
 * Connector tests for Hystrix AMQP services
 *
 * @author Scott Frederick
 */
public class HystrixAmqpServiceInfoCreatorTest extends AbstractCloudFoundryConnectorTest {
    private static final String SERVICE_TAG_NAME = "myHystrixAmqpInstance";
    private static final String VCAP_SERVICES_ENV_KEY = "VCAP_SERVICES";
    private static final String PAYLOAD_FILE_NAME = "test-hystrix-amqp-info.json";
    private static final String PAYLOAD_TEMPLATE_SERVICE_NAME = "$serviceName";
    private static final String PAYLOAD_TEMPLATE_HOSTNAME = "$hostname";
    private static final String PAYLOAD_TEMPLATE_PORT = "$port";
    private static final String PAYLOAD_TEMPLATE_USER = "$user";
    private static final String PAYLOAD_TEMPLATE_PASS = "$pass";
    private static final String PAYLOAD_TEMPLATE_VHOST = "$vhost";

    @Test
    public void hystrixAmqpServiceCreation() {
        when(mockEnvironment.getEnvValue(VCAP_SERVICES_ENV_KEY)).thenReturn(getServicesPayload(
                getServicePayload(SERVICE_TAG_NAME, hostname, port, username, password, "vhost1")));

        List<ServiceInfo> serviceInfos = testCloudConnector.getServiceInfos();
        assertServiceFoundOfType(serviceInfos, SERVICE_TAG_NAME, HystrixAmqpServiceInfo.class);

        // ensure this type will not match on AmqpServiceInfos
        assertServiceNotFoundOfType(serviceInfos, AmqpServiceInfo.class);
    }

    private void assertServiceNotFoundOfType(List<ServiceInfo> serviceInfos,
            Class<? extends ServiceInfo> expected) {
        for (ServiceInfo serviceInfo : serviceInfos) {
            if (expected.isAssignableFrom(serviceInfo.getClass())) {
                fail("ServiceInfo of type " + expected.getName() + " should not have been found");
            }
        }
    }

    private String getServicePayload(String serviceName, String hostname, int port, String user, String password,
            String vhost) {
        String payload = readTestDataFile(PAYLOAD_FILE_NAME);
        payload = payload.replace(PAYLOAD_TEMPLATE_SERVICE_NAME, serviceName);
        payload = payload.replace(PAYLOAD_TEMPLATE_HOSTNAME, hostname);
        payload = payload.replace(PAYLOAD_TEMPLATE_PORT, Integer.toString(port));
        payload = payload.replace(PAYLOAD_TEMPLATE_USER, user);
        payload = payload.replace(PAYLOAD_TEMPLATE_PASS, password);
        payload = payload.replace(PAYLOAD_TEMPLATE_VHOST, vhost);

        return payload;
    }
}