vid-app-common/src/test/java/org/onap/vid/asdc/rest/RestfulAsdcClientTest.java

   1 package org.onap.vid.asdc.rest;
   2
   3 import org.apache.commons.lang3.exception.ExceptionUtils;
   4 import org.onap.vid.testUtils.TestUtils;
   5 import org.testng.annotations.DataProvider;
   6 import org.testng.annotations.Test;
   7
   8 import javax.ws.rs.NotFoundException;
   9 import javax.ws.rs.ProcessingException;
  10 import javax.ws.rs.client.Client;
  11 import java.net.URI;
  12 import java.util.UUID;
  13 import java.util.function.Consumer;
  14
  15 import static org.hamcrest.CoreMatchers.instanceOf;
  16 import static org.hamcrest.MatcherAssert.assertThat;
  17 import static org.mockito.Matchers.any;
  18 import static org.mockito.Mockito.when;
  19 import static org.testng.AssertJUnit.fail;
  20
  21 public class RestfulAsdcClientTest {
  22
  23     @DataProvider
  24     public static Object[][] javaxExceptions() {
  25
  26         return new Object[][] {
  27                 {NotFoundException.class, (Consumer<Client>) javaxClientMock ->
  28                         when(javaxClientMock.target(any(URI.class))).thenThrow(
  29                                 new NotFoundException("HTTP 404 Not Found"))},
  30                 {ProcessingException.class, (Consumer<Client>) javaxClientMock ->
  31                         when(javaxClientMock.target(any(URI.class))).thenThrow(
  32                                 new ProcessingException("java.net.ConnectException: Connection refused: connect"))},
  33         };
  34     }
  35
  36
  37     @Test(dataProvider = "javaxExceptions")
  38     public void whenJavaxClientThrowException_thenExceptionRethrown(Class<? extends Throwable> expectedType, Consumer<Client> setupMocks) throws Exception {
  39         /*
  40         Call chain is like:
  41             this test -> RestfulAsdcClient ->  javax's Client
  42
  43         In this test, *RestfulAsdcClient* is under test (actual implementation is used), while javax's Client is
  44         mocked to return pseudo-responses or - better - throw exceptions.
  45          */
  46
  47         // prepare mocks
  48         TestUtils.JavaxRsClientMocks mocks = new TestUtils.JavaxRsClientMocks();
  49         Client javaxClientMock = mocks.getFakeClient();
  50
  51         // prepare real RestfulAsdcClient (Under test)
  52         RestfulAsdcClient restfulAsdcClient = new RestfulAsdcClient.Builder(javaxClientMock, new URI(""))
  53                 .auth("")
  54                 .build();
  55
  56         /// TEST:
  57         setupMocks.accept(javaxClientMock);
  58
  59         try {
  60             restfulAsdcClient.getServiceToscaModel(UUID.randomUUID());
  61         } catch (Exception e) {
  62             assertThat("root cause incorrect for " + ExceptionUtils.getStackTrace(e), ExceptionUtils.getRootCause(e), instanceOf(expectedType));
  63             return; //OK
  64         }
  65
  66         fail("exception shall rethrown by getServiceToscaModel once javax client throw exception ");
  67     }
  68
  69 }