+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.rest.service;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.atLeastOnce;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+import org.onap.so.rest.exceptions.InvalidRestRequestException;
+import org.onap.so.rest.exceptions.RestProcessingException;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.client.HttpClientErrorException;
+import org.springframework.web.client.RestClientException;
+import org.springframework.web.client.RestTemplate;
+
+import com.google.common.base.Optional;
+
+
+/**
+ * @author waqas.ikram@est.tech
+ */
+@RunWith(MockitoJUnitRunner.class)
+public class HttpRestServiceProviderImplTest {
+
+ private static final String BODY = "{}";
+ private static final String DUMMY_URL = "http://localhost:9000/dummy/url";
+
+ @Mock
+ private RestTemplate mockRestTemplate;
+
+ @Mock
+ private ResponseEntity<String> mockEntity;
+
+ @Test
+ public void test_get_returnOptionalPresentIfResponseIsOKAndHasBody() {
+
+ final HttpRestServiceProvider objUnderTest = new HttpRestServiceProviderImpl(mockRestTemplate);
+
+ when(mockRestTemplate.exchange(eq(DUMMY_URL), eq(HttpMethod.GET), any(HttpEntity.class), eq(String.class)))
+ .thenReturn(mockEntity);
+
+ when(mockEntity.getStatusCode()).thenReturn(HttpStatus.OK);
+ when(mockEntity.hasBody()).thenReturn(true);
+ when(mockEntity.getBody()).thenReturn(BODY);
+
+ final Optional<String> actual = objUnderTest.get(DUMMY_URL, String.class);
+
+ assertTrue(actual.isPresent());
+ verify(mockRestTemplate, atLeastOnce()).exchange(eq(DUMMY_URL), eq(HttpMethod.GET), any(HttpEntity.class),
+ eq(String.class));
+ }
+
+ @Test
+ public void test_get_returnOptionalPresentIfResponseIsNotOK() {
+ final HttpRestServiceProvider objUnderTest = new HttpRestServiceProviderImpl(mockRestTemplate);
+
+ when(mockRestTemplate.exchange(eq(DUMMY_URL), eq(HttpMethod.GET), any(HttpEntity.class), eq(String.class)))
+ .thenReturn(mockEntity);
+
+ when(mockEntity.getStatusCode()).thenReturn(HttpStatus.INTERNAL_SERVER_ERROR);
+
+ final Optional<String> actual = objUnderTest.get(DUMMY_URL, String.class);
+
+ assertFalse(actual.isPresent());
+ verify(mockRestTemplate, atLeastOnce()).exchange(eq(DUMMY_URL), eq(HttpMethod.GET), any(HttpEntity.class),
+ eq(String.class));
+ }
+
+ @Test
+ public void test_get_returnOptionalPresentIfResponseIsOKAndNoBody() {
+ final HttpRestServiceProvider objUnderTest = new HttpRestServiceProviderImpl(mockRestTemplate);
+
+ when(mockRestTemplate.exchange(eq(DUMMY_URL), eq(HttpMethod.GET), any(HttpEntity.class), eq(String.class)))
+ .thenReturn(mockEntity);
+
+ when(mockEntity.getStatusCode()).thenReturn(HttpStatus.OK);
+ when(mockEntity.hasBody()).thenReturn(false);
+
+ final Optional<String> actual = objUnderTest.get(DUMMY_URL, String.class);
+
+ assertFalse(actual.isPresent());
+ verify(mockRestTemplate, atLeastOnce()).exchange(eq(DUMMY_URL), eq(HttpMethod.GET), any(HttpEntity.class),
+ eq(String.class));
+ }
+
+ @Test(expected = InvalidRestRequestException.class)
+ public void test_get_ThrowsInvalidRestRequestExceptionifHttpClientErrorExceptionWithHttpStatusBadRequest() {
+ assertGetErrorScenario(HttpStatus.BAD_REQUEST);
+
+ }
+
+ @Test(expected = InvalidRestRequestException.class)
+ public void test_get_ThrowsInvalidRestRequestExceptionifHttpClientErrorExceptionWithHttpStatusNotFoundHttpStatus() {
+ assertGetErrorScenario(HttpStatus.NOT_FOUND);
+ }
+
+ @Test(expected = RestProcessingException.class)
+ public void test_get_ThrowsInvalidRestRequestExceptionifHttpClientErrorExceptionOccured() {
+ final HttpRestServiceProvider objUnderTest = new HttpRestServiceProviderImpl(mockRestTemplate);
+
+ when(mockRestTemplate.exchange(eq(DUMMY_URL), eq(HttpMethod.GET), any(HttpEntity.class), eq(String.class)))
+ .thenThrow(HttpClientErrorException.class);
+
+ objUnderTest.get(DUMMY_URL, String.class);
+ }
+
+ @Test(expected = RestProcessingException.class)
+ public void test_get_ThrowsInvalidRestRequestExceptionifRestProcessingExceptionOccured() {
+ final HttpRestServiceProvider objUnderTest = new HttpRestServiceProviderImpl(mockRestTemplate);
+
+ when(mockRestTemplate.exchange(eq(DUMMY_URL), eq(HttpMethod.GET), any(HttpEntity.class), eq(String.class)))
+ .thenThrow(RestClientException.class);
+
+ objUnderTest.get(DUMMY_URL, String.class);
+ }
+
+ @Test
+ public void test_post_returnOptionalPresentIfResponseIsOKAndHasBody() {
+
+ final HttpRestServiceProvider objUnderTest = new HttpRestServiceProviderImpl(mockRestTemplate);
+
+ when(mockRestTemplate.exchange(eq(DUMMY_URL), eq(HttpMethod.POST), any(HttpEntity.class), eq(String.class)))
+ .thenReturn(mockEntity);
+
+ when(mockEntity.getStatusCode()).thenReturn(HttpStatus.OK);
+ when(mockEntity.hasBody()).thenReturn(true);
+ when(mockEntity.getBody()).thenReturn(BODY);
+
+ final Optional<String> actual = objUnderTest.post(BODY, DUMMY_URL, String.class);
+
+ assertTrue(actual.isPresent());
+ verify(mockRestTemplate, atLeastOnce()).exchange(eq(DUMMY_URL), eq(HttpMethod.POST), any(HttpEntity.class),
+ eq(String.class));
+ }
+
+ @Test
+ public void test_post_returnOptionalPresentIfResponseIsOKAndHasNoBody() {
+
+ final HttpRestServiceProvider objUnderTest = new HttpRestServiceProviderImpl(mockRestTemplate);
+
+ when(mockRestTemplate.exchange(eq(DUMMY_URL), eq(HttpMethod.POST), any(HttpEntity.class), eq(String.class)))
+ .thenReturn(mockEntity);
+
+ when(mockEntity.getStatusCode()).thenReturn(HttpStatus.OK);
+ when(mockEntity.hasBody()).thenReturn(false);
+
+ final Optional<String> actual = objUnderTest.post(BODY, DUMMY_URL, String.class);
+
+ assertFalse(actual.isPresent());
+ verify(mockRestTemplate, atLeastOnce()).exchange(eq(DUMMY_URL), eq(HttpMethod.POST), any(HttpEntity.class),
+ eq(String.class));
+ }
+
+
+ @Test
+ public void test_post_returnOptionalPresentIfResponseIsNotOKAndHasBody() {
+
+ final HttpRestServiceProvider objUnderTest = new HttpRestServiceProviderImpl(mockRestTemplate);
+
+ when(mockRestTemplate.exchange(eq(DUMMY_URL), eq(HttpMethod.POST), any(HttpEntity.class), eq(String.class)))
+ .thenReturn(mockEntity);
+
+ when(mockEntity.getStatusCode()).thenReturn(HttpStatus.PARTIAL_CONTENT);
+
+ final Optional<String> actual = objUnderTest.post(BODY, DUMMY_URL, String.class);
+
+ assertFalse(actual.isPresent());
+ verify(mockRestTemplate, atLeastOnce()).exchange(eq(DUMMY_URL), eq(HttpMethod.POST), any(HttpEntity.class),
+ eq(String.class));
+ }
+
+ @Test(expected = InvalidRestRequestException.class)
+ public void test_post_ThrowsInvalidRestRequestExceptionifHttpClientErrorExceptionWithHttpStatusBadRequest() {
+ assertPostErrorScenario(HttpStatus.BAD_REQUEST);
+
+ }
+
+ @Test(expected = InvalidRestRequestException.class)
+ public void test_post_ThrowsInvalidRestRequestExceptionifHttpClientErrorExceptionWithHttpStatusNotFoundHttpStatus() {
+ assertPostErrorScenario(HttpStatus.NOT_FOUND);
+ }
+
+ @Test(expected = RestProcessingException.class)
+ public void test_post_ThrowsInvalidRestRequestExceptionifHttpClientErrorExceptionOccured() {
+ final HttpRestServiceProvider objUnderTest = new HttpRestServiceProviderImpl(mockRestTemplate);
+
+ when(mockRestTemplate.exchange(eq(DUMMY_URL), eq(HttpMethod.POST), any(HttpEntity.class), eq(String.class)))
+ .thenThrow(HttpClientErrorException.class);
+
+ objUnderTest.post(BODY, DUMMY_URL, String.class);
+ }
+
+ @Test(expected = RestProcessingException.class)
+ public void test_post_ThrowsInvalidRestRequestExceptionifRestProcessingExceptionOccured() {
+ final HttpRestServiceProvider objUnderTest = new HttpRestServiceProviderImpl(mockRestTemplate);
+
+ when(mockRestTemplate.exchange(eq(DUMMY_URL), eq(HttpMethod.POST), any(HttpEntity.class), eq(String.class)))
+ .thenThrow(RestClientException.class);
+
+ objUnderTest.post(BODY, DUMMY_URL, String.class);
+ }
+
+ private void assertPostErrorScenario(final HttpStatus status) {
+ final HttpRestServiceProvider objUnderTest = new HttpRestServiceProviderImpl(mockRestTemplate);
+
+ final HttpClientErrorException errorException = new HttpClientErrorException(status);
+ when(mockRestTemplate.exchange(eq(DUMMY_URL), eq(HttpMethod.POST), any(HttpEntity.class), eq(String.class)))
+ .thenThrow(errorException);
+
+ objUnderTest.post(BODY, DUMMY_URL, String.class);
+ }
+
+ private void assertGetErrorScenario(final HttpStatus status) {
+ final HttpRestServiceProvider objUnderTest = new HttpRestServiceProviderImpl(mockRestTemplate);
+
+ final HttpClientErrorException errorException = new HttpClientErrorException(status);
+ when(mockRestTemplate.exchange(eq(DUMMY_URL), eq(HttpMethod.GET), any(HttpEntity.class), eq(String.class)))
+ .thenThrow(errorException);
+
+ objUnderTest.get(DUMMY_URL, String.class);
+ }
+
+}