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   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.mielecloud.internal.webservice.retry;
  14
  15 import static org.junit.jupiter.api.Assertions.*;
  16 import static org.mockito.ArgumentMatchers.any;
  17 import static org.mockito.Mockito.*;
  18
  19 import java.util.Objects;
  20 import java.util.function.Consumer;
  21 import java.util.function.Supplier;
  22
  23 import org.eclipse.jdt.annotation.NonNullByDefault;
  24 import org.eclipse.jdt.annotation.Nullable;
  25 import org.junit.jupiter.api.Test;
  26 import org.junit.jupiter.api.extension.ExtendWith;
  27 import org.mockito.Mock;
  28 import org.mockito.junit.jupiter.MockitoExtension;
  29 import org.openhab.binding.mielecloud.internal.MieleCloudBindingTestConstants;
  30 import org.openhab.binding.mielecloud.internal.auth.OAuthException;
  31 import org.openhab.binding.mielecloud.internal.auth.OAuthTokenRefresher;
  32 import org.openhab.binding.mielecloud.internal.webservice.exception.AuthorizationFailedException;
  33 import org.openhab.binding.mielecloud.internal.webservice.exception.MieleWebserviceException;
  34
  35 /**
  36  * @author Björn Lange - Initial contribution
  37  */
  38 @ExtendWith(MockitoExtension.class)
  39 @NonNullByDefault
  40 public class AuthorizationFailedRetryStrategyTest {
  41     private static final String TEST_STRING = "Some Test String";
  42
  43     @Mock
  44     @Nullable
  45     private Supplier<@Nullable String> operationWithReturnValue;
  46     @Mock
  47     @Nullable
  48     private Consumer<Exception> onException;
  49     @Mock
  50     @Nullable
  51     private Runnable operation;
  52
  53     private final OAuthTokenRefresher refresher = mock(OAuthTokenRefresher.class);
  54
  55     private Supplier<@Nullable String> getOperationWithReturnValue() {
  56         assertNotNull(operationWithReturnValue);
  57         return Objects.requireNonNull(operationWithReturnValue);
  58     }
  59
  60     private Consumer<Exception> getOnException() {
  61         assertNotNull(onException);
  62         return Objects.requireNonNull(onException);
  63     }
  64
  65     private Runnable getOperation() {
  66         assertNotNull(operation);
  67         return Objects.requireNonNull(operation);
  68     }
  69
  70     @Test
  71     public void testPerformRetryableOperationWithReturnValueInvokesOperation() {
  72         // given:
  73         when(getOperationWithReturnValue().get()).thenReturn(TEST_STRING);
  74
  75         AuthorizationFailedRetryStrategy retryStrategy = new AuthorizationFailedRetryStrategy(refresher,
  76                 MieleCloudBindingTestConstants.SERVICE_HANDLE);
  77
  78         // when:
  79         String result = retryStrategy.performRetryableOperation(getOperationWithReturnValue(), getOnException());
  80
  81         // then:
  82         assertEquals(TEST_STRING, result);
  83     }
  84
  85     @Test
  86     public void testPerformRetryableOperationWithReturnValueInvokesRefreshTokenAndRetriesOperation() {
  87         // given:
  88         when(getOperationWithReturnValue().get()).thenThrow(AuthorizationFailedException.class).thenReturn(TEST_STRING);
  89
  90         AuthorizationFailedRetryStrategy retryStrategy = new AuthorizationFailedRetryStrategy(refresher,
  91                 MieleCloudBindingTestConstants.SERVICE_HANDLE);
  92
  93         // when:
  94         String result = retryStrategy.performRetryableOperation(getOperationWithReturnValue(), getOnException());
  95
  96         // then:
  97         assertEquals(TEST_STRING, result);
  98         verify(getOnException()).accept(any());
  99         verify(refresher).refreshToken(MieleCloudBindingTestConstants.SERVICE_HANDLE);
 100         verifyNoMoreInteractions(getOnException(), refresher);
 101     }
 102
 103     @Test
 104     public void testPerformRetryableOperationWithReturnValueThrowsMieleWebserviceExceptionWhenRetryingTheOperationFails() {
 105         // given:
 106         when(getOperationWithReturnValue().get()).thenThrow(AuthorizationFailedException.class);
 107
 108         AuthorizationFailedRetryStrategy retryStrategy = new AuthorizationFailedRetryStrategy(refresher,
 109                 MieleCloudBindingTestConstants.SERVICE_HANDLE);
 110
 111         assertThrows(MieleWebserviceException.class, () -> {
 112             try {
 113                 // when:
 114                 retryStrategy.performRetryableOperation(getOperationWithReturnValue(), getOnException());
 115             } catch (Exception e) {
 116                 // then:
 117                 verify(getOnException()).accept(any());
 118                 verify(refresher).refreshToken(MieleCloudBindingTestConstants.SERVICE_HANDLE);
 119                 verifyNoMoreInteractions(getOnException(), refresher);
 120                 throw e;
 121             }
 122         });
 123     }
 124
 125     @Test
 126     public void testPerformRetryableOperationInvokesOperation() {
 127         // given:
 128         AuthorizationFailedRetryStrategy retryStrategy = new AuthorizationFailedRetryStrategy(refresher,
 129                 MieleCloudBindingTestConstants.SERVICE_HANDLE);
 130
 131         // when:
 132         retryStrategy.performRetryableOperation(getOperation(), getOnException());
 133
 134         // then:
 135         verify(getOperation()).run();
 136         verifyNoMoreInteractions(getOperation());
 137     }
 138
 139     @Test
 140     public void testPerformRetryableOperationInvokesRefreshTokenAndRetriesOperation() {
 141         // given:
 142         doThrow(AuthorizationFailedException.class).doNothing().when(getOperation()).run();
 143
 144         AuthorizationFailedRetryStrategy retryStrategy = new AuthorizationFailedRetryStrategy(refresher,
 145                 MieleCloudBindingTestConstants.SERVICE_HANDLE);
 146
 147         // when:
 148         retryStrategy.performRetryableOperation(getOperation(), getOnException());
 149
 150         // then:
 151         verify(getOnException()).accept(any());
 152         verify(refresher).refreshToken(MieleCloudBindingTestConstants.SERVICE_HANDLE);
 153         verify(getOperation(), times(2)).run();
 154         verifyNoMoreInteractions(getOnException(), refresher, getOperation());
 155     }
 156
 157     @Test
 158     public void testPerformRetryableOperationThrowsMieleWebserviceExceptionWhenRetryingTheOperationFails() {
 159         // given:
 160         doThrow(AuthorizationFailedException.class).when(getOperation()).run();
 161
 162         AuthorizationFailedRetryStrategy retryStrategy = new AuthorizationFailedRetryStrategy(refresher,
 163                 MieleCloudBindingTestConstants.SERVICE_HANDLE);
 164
 165         assertThrows(MieleWebserviceException.class, () -> {
 166             try {
 167                 // when:
 168                 retryStrategy.performRetryableOperation(getOperation(), getOnException());
 169             } catch (Exception e) {
 170                 // then:
 171                 verify(getOnException()).accept(any());
 172                 verify(refresher).refreshToken(MieleCloudBindingTestConstants.SERVICE_HANDLE);
 173                 verify(getOperation(), times(2)).run();
 174                 verifyNoMoreInteractions(getOnException(), refresher, getOperation());
 175                 throw e;
 176             }
 177         });
 178     }
 179
 180     @Test
 181     public void testPerformRetryableOperationThrowsMieleWebserviceExceptionWhenTokenRefreshingFails() {
 182         // given:
 183         doThrow(AuthorizationFailedException.class).when(getOperation()).run();
 184         doThrow(OAuthException.class).when(refresher).refreshToken(MieleCloudBindingTestConstants.SERVICE_HANDLE);
 185
 186         AuthorizationFailedRetryStrategy retryStrategy = new AuthorizationFailedRetryStrategy(refresher,
 187                 MieleCloudBindingTestConstants.SERVICE_HANDLE);
 188
 189         assertThrows(MieleWebserviceException.class, () -> {
 190             try {
 191                 // when:
 192                 retryStrategy.performRetryableOperation(getOperation(), getOnException());
 193             } catch (Exception e) {
 194                 // then:
 195                 verify(getOnException()).accept(any());
 196                 verify(refresher).refreshToken(MieleCloudBindingTestConstants.SERVICE_HANDLE);
 197                 verify(getOperation()).run();
 198                 verifyNoMoreInteractions(getOnException(), refresher, getOperation());
 199                 throw e;
 200             }
 201         });
 202     }
 203 }