ServiceCrudTest.java

/**
 * Copyright (C) 2015 Red Hat, Inc.
 *
 * 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.fabric8.kubernetes.client.mock;

import io.fabric8.kubernetes.api.model.*;
import io.fabric8.kubernetes.client.KubernetesClient;
import io.fabric8.kubernetes.client.KubernetesClientException;
import io.fabric8.kubernetes.client.dsl.ServiceResource;
import io.fabric8.kubernetes.client.server.mock.EnableKubernetesMockClient;
import org.junit.jupiter.api.Test;

import java.net.HttpURLConnection;
import java.util.Collections;
import java.util.List;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertThrows;

@EnableKubernetesMockClient(crud = true)
public class ServiceCrudTest {

  KubernetesClient client;

  @Test
  public void testCrud() {

    Service service1 = new ServiceBuilder().withNewMetadata().withName("svc1").and().withNewSpec().and().build();
    Service service2 = new ServiceBuilder().withNewMetadata().withName("svc2").addToLabels("foo", "bar").and().withNewSpec().and().build();
    Service service3 = new ServiceBuilder().withNewMetadata().withName("svc3").addToLabels("foo", "bar").and().withNewSpec().and().build();

    // try to patch/replace before the service exists
    ServiceResource<Service> serviceOp = client.services().inNamespace("ns2").withName("svc2");
    KubernetesClientException result = assertThrows(KubernetesClientException.class,
        () -> serviceOp.patch(service1));
    assertEquals(HttpURLConnection.HTTP_NOT_FOUND, result.getCode());
    result = assertThrows(KubernetesClientException.class,
        () -> serviceOp.replace(service1));
    assertEquals(HttpURLConnection.HTTP_NOT_FOUND, result.getCode());

    client.services().inNamespace("ns1").create(service1);
    client.services().inNamespace("ns2").create(service2);
    client.services().inNamespace("ns1").create(service3);

    ServiceList aServiceList = client.services().list();
    assertNotNull(aServiceList);
    assertEquals(0, aServiceList.getItems().size());

    aServiceList = client.services().inAnyNamespace().list();
    assertNotNull(aServiceList);
    assertEquals(3, aServiceList.getItems().size());

    aServiceList = client.services().inNamespace("ns1").list();
    assertNotNull(aServiceList);
    assertEquals(2, aServiceList.getItems().size());

    client.services().inNamespace("ns1").withName("svc1").delete();
    aServiceList = client.services().inNamespace("ns1").list();
    assertNotNull(aServiceList);
    assertEquals(1, aServiceList.getItems().size());

    aServiceList = client.services().inAnyNamespace().withLabels(Collections.singletonMap("foo", "bar")).list();
    assertNotNull(aServiceList);
    assertEquals(2, aServiceList.getItems().size());

    service2 = client.services().inNamespace("ns2").withName("svc2").edit(s -> new ServiceBuilder(s)
                     .editMetadata().addToLabels("key1", "value1").endMetadata().build());

    assertNotNull(service2);
    assertEquals("value1", service2.getMetadata().getLabels().get("key1"));
  }

  @Test
  public void shouldFindServiceByName() {
    Service service1 = new ServiceBuilder().withNewMetadata().withName("svc1").addToLabels("foo", "bar").and().withNewSpec().and().build();

    client.services().inNamespace("ns1").create(service1);

    Service serviceByName = client.services().inNamespace("ns1").withName("svc1").get();
    assertNotNull(serviceByName);
    assertEquals("svc1", serviceByName.getMetadata().getName());

    ServiceList servicesByLabel = client.services().inNamespace("ns1").withLabel("foo", "bar").list();
    assertNotNull(servicesByLabel);
    assertEquals(1, servicesByLabel.getItems().size());

    ServiceList serviceByField = client.services().inNamespace("ns1").withField("metadata.name", "svc1").list();
    assertNotNull(serviceByField);
    assertEquals(1, serviceByField.getItems().size());

    ServiceList serviceByNamespace = client.services().inNamespace("ns1").withField("metadata.namespace", "ns1").list();
    assertNotNull(serviceByNamespace);
    assertEquals(1, serviceByNamespace.getItems().size());
  }
}