de.codecentric.boot.admin.services.ApplicationRegistratorTest.java Source code

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Here is the source code for de.codecentric.boot.admin.services.ApplicationRegistratorTest.java

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/*
 * Copyright 2014 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 de.codecentric.boot.admin.services;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.eq;
import static org.mockito.Matchers.isA;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.util.Collections;
import java.util.Map;

import org.junit.Before;
import org.junit.Test;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestClientException;
import org.springframework.web.client.RestTemplate;

import de.codecentric.boot.admin.config.AdminClientProperties;
import de.codecentric.boot.admin.config.AdminProperties;
import de.codecentric.boot.admin.model.Application;

public class ApplicationRegistratorTest {

    private AdminProperties adminProps;
    private ApplicationRegistrator registrator;
    private RestTemplate restTemplate;
    private HttpHeaders headers;

    @Before
    public void setup() {
        restTemplate = mock(RestTemplate.class);

        adminProps = new AdminProperties();
        adminProps.setUrl(new String[] { "http://sba:8080", "http://sba2:8080" });

        AdminClientProperties clientProps = new AdminClientProperties();
        clientProps.setManagementUrl("http://localhost:8080/mgmt");
        clientProps.setHealthUrl("http://localhost:8080/health");
        clientProps.setServiceUrl("http://localhost:8080");
        clientProps.setName("AppName");

        registrator = new ApplicationRegistrator(restTemplate, adminProps, clientProps);

        headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_JSON);
        headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));
    }

    @SuppressWarnings("rawtypes")
    @Test
    public void register_successful() {
        when(restTemplate.postForEntity(isA(String.class), isA(HttpEntity.class), eq(Map.class)))
                .thenReturn(new ResponseEntity<Map>(Collections.singletonMap("id", "-id-"), HttpStatus.CREATED));

        assertTrue(registrator.register());
        verify(restTemplate).postForEntity("http://sba:8080/api/applications",
                new HttpEntity<>(Application.create("AppName").withHealthUrl("http://localhost:8080/health")
                        .withManagementUrl("http://localhost:8080/mgmt").withServiceUrl("http://localhost:8080")
                        .build(), headers),
                Map.class);
    }

    @Test
    public void register_failed() {
        when(restTemplate.postForEntity(isA(String.class), isA(HttpEntity.class), eq(Application.class)))
                .thenThrow(new RestClientException("Error"));

        assertFalse(registrator.register());
    }

    @SuppressWarnings("rawtypes")
    @Test
    public void register_retry() {
        when(restTemplate.postForEntity(isA(String.class), isA(HttpEntity.class), eq(Application.class)))
                .thenThrow(new RestClientException("Error"));
        when(restTemplate.postForEntity(isA(String.class), isA(HttpEntity.class), eq(Map.class)))
                .thenReturn(new ResponseEntity<Map>(Collections.singletonMap("id", "-id-"), HttpStatus.CREATED));

        assertTrue(registrator.register());
    }

    @SuppressWarnings("rawtypes")
    @Test
    public void deregister() {
        when(restTemplate.postForEntity(isA(String.class), isA(HttpEntity.class), eq(Map.class)))
                .thenReturn(new ResponseEntity<Map>(Collections.singletonMap("id", "-id-"), HttpStatus.CREATED));
        registrator.register();
        registrator.deregister();

        verify(restTemplate).delete("http://sba:8080/api/applications/-id-");
    }

    @SuppressWarnings("rawtypes")
    @Test
    public void register_multiple() {
        adminProps.setRegisterOnce(false);

        when(restTemplate.postForEntity(isA(String.class), isA(HttpEntity.class), eq(Map.class)))
                .thenReturn(new ResponseEntity<Map>(Collections.singletonMap("id", "-id-"), HttpStatus.CREATED));

        assertTrue(registrator.register());

        verify(restTemplate).postForEntity("http://sba:8080/api/applications",
                new HttpEntity<>(Application.create("AppName").withHealthUrl("http://localhost:8080/health")
                        .withManagementUrl("http://localhost:8080/mgmt").withServiceUrl("http://localhost:8080")
                        .build(), headers),
                Map.class);

        verify(restTemplate).postForEntity("http://sba2:8080/api/applications",
                new HttpEntity<>(Application.create("AppName").withHealthUrl("http://localhost:8080/health")
                        .withManagementUrl("http://localhost:8080/mgmt").withServiceUrl("http://localhost:8080")
                        .build(), headers),
                Map.class);
    }

    @SuppressWarnings("rawtypes")
    @Test
    public void register_multiple_one_failure() {
        adminProps.setRegisterOnce(false);

        when(restTemplate.postForEntity(isA(String.class), isA(HttpEntity.class), eq(Map.class)))
                .thenReturn(new ResponseEntity<Map>(Collections.singletonMap("id", "-id-"), HttpStatus.CREATED))
                .thenThrow(new RestClientException("Error"));

        assertTrue(registrator.register());

        verify(restTemplate).postForEntity("http://sba:8080/api/applications",
                new HttpEntity<>(Application.create("AppName").withHealthUrl("http://localhost:8080/health")
                        .withManagementUrl("http://localhost:8080/mgmt").withServiceUrl("http://localhost:8080")
                        .build(), headers),
                Map.class);

        verify(restTemplate).postForEntity("http://sba2:8080/api/applications",
                new HttpEntity<>(Application.create("AppName").withHealthUrl("http://localhost:8080/health")
                        .withManagementUrl("http://localhost:8080/mgmt").withServiceUrl("http://localhost:8080")
                        .build(), headers),
                Map.class);
    }

    @Test
    public void register_multiple_all_failures() {
        adminProps.setRegisterOnce(false);

        when(restTemplate.postForEntity(isA(String.class), isA(HttpEntity.class), eq(Map.class)))
                .thenThrow(new RestClientException("Error")).thenThrow(new RestClientException("Error"));

        assertFalse(registrator.register());
    }
}