webapp-backend/src/test/java/org/oransc/ric/portal/dashboard/config/CaasIngressMockConfiguration.java

   1 /*-
   2  * ========================LICENSE_START=================================
   3  * O-RAN-SC
   4  * %%
   5  * Copyright (C) 2019 AT&T Intellectual Property
   6  * %%
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ========================LICENSE_END===================================
  19  */
  20 package org.oransc.ric.portal.dashboard.config;
  21
  22 import static org.mockito.ArgumentMatchers.any;
  23 import static org.mockito.Mockito.doAnswer;
  24 import static org.mockito.Mockito.mock;
  25
  26 import java.io.IOException;
  27 import java.io.InputStream;
  28 import java.io.InputStreamReader;
  29 import java.lang.invoke.MethodHandles;
  30
  31 import org.oransc.ric.portal.dashboard.k8sapi.SimpleKubernetesClient;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34 import org.springframework.beans.factory.annotation.Value;
  35 import org.springframework.context.annotation.Bean;
  36 import org.springframework.context.annotation.Configuration;
  37 import org.springframework.context.annotation.Profile;
  38
  39 /**
  40  * Creates mock implementations of Kubernetes clients that answer requests with
  41  * sample data read from the filesystem.
  42  */
  43 @Configuration
  44 @Profile("test")
  45 public class CaasIngressMockConfiguration {
  46
  47         private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  48
  49         // Simulate remote method delay for UI testing
  50         @Value("${mock.config.delay:0}")
  51         private int delayMs;
  52
  53         private final String pltPods;
  54
  55         public CaasIngressMockConfiguration() throws IOException {
  56                 logger.info("Configuring mock CAAS-Ingres clients");
  57                 // Files in src/test/resources
  58                 pltPods = readDataFromPath("caas-ingress-ricplt-pods.json");
  59         }
  60
  61         private String readDataFromPath(String path) throws IOException {
  62                 InputStream is = MethodHandles.lookup().lookupClass().getClassLoader().getResourceAsStream(path);
  63                 if (is == null) {
  64                         String msg = "Failed to find resource on classpath: " + path;
  65                         logger.error(msg);
  66                         throw new RuntimeException(msg);
  67                 }
  68                 InputStreamReader reader = new InputStreamReader(is, "UTF-8");
  69                 StringBuilder sb = new StringBuilder();
  70                 char[] buf = new char[8192];
  71                 int i;
  72                 while ((i = reader.read(buf)) > 0)
  73                         sb.append(buf, 0, i);
  74                 reader.close();
  75                 is.close();
  76                 return sb.toString();
  77         }
  78
  79         @Bean
  80         // Use the same name as regular configuration
  81         public SimpleKubernetesClient ciPltApi() throws IOException {
  82                 SimpleKubernetesClient mockClient = mock(SimpleKubernetesClient.class);
  83                 doAnswer(inv -> {
  84                         String ns = inv.<String>getArgument(0);
  85                         logger.debug("listPods for namespace {}", ns);
  86                         if ("ricplt".equals(ns))
  87                                 return pltPods;
  88                         else
  89                                 throw new Exception("Fake server failure");
  90                 }).when(mockClient).listPods(any(String.class));
  91                 return mockClient;
  92         }
  93
  94 }