[BAEL-8496] - Moved articles to their own spring-resttemplate module
This commit is contained in:
amit2103
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package org.baeldung.client;
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public interface Consts {
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int APPLICATION_PORT = 8082;
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}
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package org.baeldung.client;
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import static org.apache.commons.codec.binary.Base64.encodeBase64;
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import static org.baeldung.client.Consts.APPLICATION_PORT;
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import static org.hamcrest.CoreMatchers.equalTo;
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import static org.hamcrest.CoreMatchers.is;
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import static org.hamcrest.CoreMatchers.notNullValue;
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import static org.hamcrest.MatcherAssert.assertThat;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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import java.io.IOException;
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import java.net.URI;
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import java.util.Arrays;
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import java.util.Set;
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import org.baeldung.web.dto.Foo;
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import org.junit.Before;
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import org.junit.Test;
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import org.springframework.http.HttpEntity;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.HttpMethod;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.http.client.ClientHttpRequestFactory;
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import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
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import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
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import org.springframework.web.client.HttpClientErrorException;
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import org.springframework.web.client.RequestCallback;
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import org.springframework.web.client.RestTemplate;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.google.common.base.Charsets;
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public class RestTemplateBasicLiveTest {
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private RestTemplate restTemplate;
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private static final String fooResourceUrl = "http://localhost:" + APPLICATION_PORT + "/spring-rest/foos";
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@Before
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public void beforeTest() {
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restTemplate = new RestTemplate();
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// restTemplate.setMessageConverters(Arrays.asList(new MappingJackson2HttpMessageConverter()));
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}
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// GET
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@Test
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public void givenResourceUrl_whenSendGetForRequestEntity_thenStatusOk() throws IOException {
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final ResponseEntity<Foo> response = restTemplate.getForEntity(fooResourceUrl + "/1", Foo.class);
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assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
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}
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@Test
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public void givenResourceUrl_whenSendGetForRequestEntity_thenBodyCorrect() throws IOException {
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final RestTemplate template = new RestTemplate();
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final ResponseEntity<String> response = template.getForEntity(fooResourceUrl + "/1", String.class);
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final ObjectMapper mapper = new ObjectMapper();
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final JsonNode root = mapper.readTree(response.getBody());
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final JsonNode name = root.path("name");
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assertThat(name.asText(), notNullValue());
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}
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@Test
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public void givenResourceUrl_whenRetrievingResource_thenCorrect() throws IOException {
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final Foo foo = restTemplate.getForObject(fooResourceUrl + "/1", Foo.class);
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assertThat(foo.getName(), notNullValue());
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assertThat(foo.getId(), is(1L));
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}
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// HEAD, OPTIONS
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@Test
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public void givenFooService_whenCallHeadForHeaders_thenReceiveAllHeadersForThatResource() {
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final HttpHeaders httpHeaders = restTemplate.headForHeaders(fooResourceUrl);
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assertTrue(httpHeaders.getContentType()
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.includes(MediaType.APPLICATION_JSON));
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}
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// POST
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@Test
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public void givenFooService_whenPostForObject_thenCreatedObjectIsReturned() {
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final HttpEntity<Foo> request = new HttpEntity<>(new Foo("bar"));
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final Foo foo = restTemplate.postForObject(fooResourceUrl, request, Foo.class);
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assertThat(foo, notNullValue());
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assertThat(foo.getName(), is("bar"));
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}
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@Test
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public void givenFooService_whenPostForLocation_thenCreatedLocationIsReturned() {
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final HttpEntity<Foo> request = new HttpEntity<>(new Foo("bar"));
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final URI location = restTemplate.postForLocation(fooResourceUrl, request);
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assertThat(location, notNullValue());
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}
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@Test
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public void givenFooService_whenPostResource_thenResourceIsCreated() {
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final Foo foo = new Foo("bar");
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final ResponseEntity<Foo> response = restTemplate.postForEntity(fooResourceUrl, foo, Foo.class);
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assertThat(response.getStatusCode(), is(HttpStatus.CREATED));
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final Foo fooResponse = response.getBody();
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assertThat(fooResponse, notNullValue());
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assertThat(fooResponse.getName(), is("bar"));
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}
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@Test
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public void givenFooService_whenCallOptionsForAllow_thenReceiveValueOfAllowHeader() {
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final Set<HttpMethod> optionsForAllow = restTemplate.optionsForAllow(fooResourceUrl);
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final HttpMethod[] supportedMethods = { HttpMethod.GET, HttpMethod.POST, HttpMethod.HEAD };
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assertTrue(optionsForAllow.containsAll(Arrays.asList(supportedMethods)));
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}
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// PUT
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@Test
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public void givenFooService_whenPutExistingEntity_thenItIsUpdated() {
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final HttpHeaders headers = prepareBasicAuthHeaders();
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final HttpEntity<Foo> request = new HttpEntity<>(new Foo("bar"), headers);
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// Create Resource
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final ResponseEntity<Foo> createResponse = restTemplate.exchange(fooResourceUrl, HttpMethod.POST, request, Foo.class);
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// Update Resource
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final Foo updatedInstance = new Foo("newName");
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updatedInstance.setId(createResponse.getBody()
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.getId());
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final String resourceUrl = fooResourceUrl + '/' + createResponse.getBody()
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.getId();
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final HttpEntity<Foo> requestUpdate = new HttpEntity<>(updatedInstance, headers);
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restTemplate.exchange(resourceUrl, HttpMethod.PUT, requestUpdate, Void.class);
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// Check that Resource was updated
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final ResponseEntity<Foo> updateResponse = restTemplate.exchange(resourceUrl, HttpMethod.GET, new HttpEntity<>(headers), Foo.class);
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final Foo foo = updateResponse.getBody();
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assertThat(foo.getName(), is(updatedInstance.getName()));
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}
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@Test
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public void givenFooService_whenPutExistingEntityWithCallback_thenItIsUpdated() {
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final HttpHeaders headers = prepareBasicAuthHeaders();
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final HttpEntity<Foo> request = new HttpEntity<>(new Foo("bar"), headers);
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// Create entity
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ResponseEntity<Foo> response = restTemplate.exchange(fooResourceUrl, HttpMethod.POST, request, Foo.class);
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assertThat(response.getStatusCode(), is(HttpStatus.CREATED));
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// Update entity
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final Foo updatedInstance = new Foo("newName");
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updatedInstance.setId(response.getBody()
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.getId());
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final String resourceUrl = fooResourceUrl + '/' + response.getBody()
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.getId();
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restTemplate.execute(resourceUrl, HttpMethod.PUT, requestCallback(updatedInstance), clientHttpResponse -> null);
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// Check that entity was updated
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response = restTemplate.exchange(resourceUrl, HttpMethod.GET, new HttpEntity<>(headers), Foo.class);
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final Foo foo = response.getBody();
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assertThat(foo.getName(), is(updatedInstance.getName()));
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}
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// PATCH
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@Test
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public void givenFooService_whenPatchExistingEntity_thenItIsUpdated() {
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final HttpHeaders headers = prepareBasicAuthHeaders();
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final HttpEntity<Foo> request = new HttpEntity<>(new Foo("bar"), headers);
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// Create Resource
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final ResponseEntity<Foo> createResponse = restTemplate.exchange(fooResourceUrl, HttpMethod.POST, request, Foo.class);
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// Update Resource
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final Foo updatedResource = new Foo("newName");
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updatedResource.setId(createResponse.getBody()
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.getId());
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final String resourceUrl = fooResourceUrl + '/' + createResponse.getBody()
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.getId();
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final HttpEntity<Foo> requestUpdate = new HttpEntity<>(updatedResource, headers);
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final ClientHttpRequestFactory requestFactory = getSimpleClientHttpRequestFactory();
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final RestTemplate template = new RestTemplate(requestFactory);
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template.setMessageConverters(Arrays.asList(new MappingJackson2HttpMessageConverter()));
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template.patchForObject(resourceUrl, requestUpdate, Void.class);
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// Check that Resource was updated
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final ResponseEntity<Foo> updateResponse = restTemplate.exchange(resourceUrl, HttpMethod.GET, new HttpEntity<>(headers), Foo.class);
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final Foo foo = updateResponse.getBody();
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assertThat(foo.getName(), is(updatedResource.getName()));
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}
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// DELETE
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@Test
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public void givenFooService_whenCallDelete_thenEntityIsRemoved() {
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final Foo foo = new Foo("remove me");
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final ResponseEntity<Foo> response = restTemplate.postForEntity(fooResourceUrl, foo, Foo.class);
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assertThat(response.getStatusCode(), is(HttpStatus.CREATED));
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final String entityUrl = fooResourceUrl + "/" + response.getBody()
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.getId();
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restTemplate.delete(entityUrl);
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try {
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restTemplate.getForEntity(entityUrl, Foo.class);
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fail();
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} catch (final HttpClientErrorException ex) {
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assertThat(ex.getStatusCode(), is(HttpStatus.NOT_FOUND));
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}
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}
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//
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private HttpHeaders prepareBasicAuthHeaders() {
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final HttpHeaders headers = new HttpHeaders();
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final String encodedLogPass = getBase64EncodedLogPass();
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headers.add(HttpHeaders.AUTHORIZATION, "Basic " + encodedLogPass);
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return headers;
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}
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private String getBase64EncodedLogPass() {
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final String logPass = "user1:user1Pass";
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final byte[] authHeaderBytes = encodeBase64(logPass.getBytes(Charsets.US_ASCII));
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return new String(authHeaderBytes, Charsets.US_ASCII);
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}
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private RequestCallback requestCallback(final Foo updatedInstance) {
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return clientHttpRequest -> {
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final ObjectMapper mapper = new ObjectMapper();
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mapper.writeValue(clientHttpRequest.getBody(), updatedInstance);
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clientHttpRequest.getHeaders()
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.add(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE);
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clientHttpRequest.getHeaders()
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.add(HttpHeaders.AUTHORIZATION, "Basic " + getBase64EncodedLogPass());
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};
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}
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// Simply setting restTemplate timeout using ClientHttpRequestFactory
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ClientHttpRequestFactory getSimpleClientHttpRequestFactory() {
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final int timeout = 5;
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final HttpComponentsClientHttpRequestFactory clientHttpRequestFactory = new HttpComponentsClientHttpRequestFactory();
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clientHttpRequestFactory.setConnectTimeout(timeout * 1000);
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return clientHttpRequestFactory;
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}
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}
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+117
@@ -0,0 +1,117 @@
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package org.baeldung.client;
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import okhttp3.Request;
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import okhttp3.RequestBody;
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import org.junit.Before;
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import org.junit.Test;
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import org.springframework.boot.test.web.client.TestRestTemplate;
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import org.springframework.boot.web.client.RestTemplateBuilder;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.client.RestTemplate;
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import static org.hamcrest.CoreMatchers.equalTo;
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import static org.hamcrest.MatcherAssert.assertThat;
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import static org.junit.Assert.assertTrue;
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public class TestRestTemplateBasicLiveTest {
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private RestTemplate restTemplate;
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private static final String FOO_RESOURCE_URL = "http://localhost:" + 8082 + "/spring-rest/foos";
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private static final String URL_SECURED_BY_AUTHENTICATION = "http://httpbin.org/basic-auth/user/passwd";
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private static final String BASE_URL = "http://localhost:" + 8082 + "/spring-rest";
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@Before
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public void beforeTest() {
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restTemplate = new RestTemplate();
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}
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// GET
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@Test
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public void givenTestRestTemplate_whenSendGetForEntity_thenStatusOk() {
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TestRestTemplate testRestTemplate = new TestRestTemplate();
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ResponseEntity<String> response = testRestTemplate.getForEntity(FOO_RESOURCE_URL + "/1", String.class);
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assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
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}
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@Test
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public void givenRestTemplateWrapper_whenSendGetForEntity_thenStatusOk() {
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TestRestTemplate testRestTemplate = new TestRestTemplate(restTemplate);
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ResponseEntity<String> response = testRestTemplate.getForEntity(FOO_RESOURCE_URL + "/1", String.class);
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assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
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}
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@Test
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public void givenRestTemplateBuilderWrapper_whenSendGetForEntity_thenStatusOk() {
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RestTemplateBuilder restTemplateBuilder = new RestTemplateBuilder();
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restTemplateBuilder.build();
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TestRestTemplate testRestTemplate = new TestRestTemplate(restTemplateBuilder);
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ResponseEntity<String> response = testRestTemplate.getForEntity(FOO_RESOURCE_URL + "/1", String.class);
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assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
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}
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@Test
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public void givenRestTemplateWrapperWithCredentials_whenSendGetForEntity_thenStatusOk() {
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TestRestTemplate testRestTemplate = new TestRestTemplate(restTemplate, "user", "passwd");
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ResponseEntity<String> response = testRestTemplate.getForEntity(URL_SECURED_BY_AUTHENTICATION,
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String.class);
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assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
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}
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@Test
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public void givenTestRestTemplateWithCredentials_whenSendGetForEntity_thenStatusOk() {
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TestRestTemplate testRestTemplate = new TestRestTemplate("user", "passwd");
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ResponseEntity<String> response = testRestTemplate.getForEntity(URL_SECURED_BY_AUTHENTICATION,
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String.class);
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assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
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}
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@Test
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public void givenTestRestTemplateWithBasicAuth_whenSendGetForEntity_thenStatusOk() {
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TestRestTemplate testRestTemplate = new TestRestTemplate();
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ResponseEntity<String> response = testRestTemplate.withBasicAuth("user", "passwd").
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getForEntity(URL_SECURED_BY_AUTHENTICATION, String.class);
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assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
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}
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@Test
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public void givenTestRestTemplateWithCredentialsAndEnabledCookies_whenSendGetForEntity_thenStatusOk() {
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TestRestTemplate testRestTemplate = new TestRestTemplate("user", "passwd", TestRestTemplate.
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HttpClientOption.ENABLE_COOKIES);
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ResponseEntity<String> response = testRestTemplate.getForEntity(URL_SECURED_BY_AUTHENTICATION,
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String.class);
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assertThat(response.getStatusCode(), equalTo(HttpStatus.OK));
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}
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// HEAD
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@Test
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public void givenFooService_whenCallHeadForHeaders_thenReceiveAllHeaders() {
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TestRestTemplate testRestTemplate = new TestRestTemplate();
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final HttpHeaders httpHeaders = testRestTemplate.headForHeaders(FOO_RESOURCE_URL);
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assertTrue(httpHeaders.getContentType().includes(MediaType.APPLICATION_JSON));
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}
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// POST
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@Test
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public void givenService_whenPostForObject_thenCreatedObjectIsReturned() {
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TestRestTemplate testRestTemplate = new TestRestTemplate("user", "passwd");
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final RequestBody body = RequestBody.create(okhttp3.MediaType.parse("text/html; charset=utf-8"),
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"{\"id\":1,\"name\":\"Jim\"}");
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final Request request = new Request.Builder().url(BASE_URL + "/users/detail").post(body).build();
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testRestTemplate.postForObject(URL_SECURED_BY_AUTHENTICATION, request, String.class);
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}
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// PUT
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@Test
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public void givenService_whenPutForObject_thenCreatedObjectIsReturned() {
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TestRestTemplate testRestTemplate = new TestRestTemplate("user", "passwd");
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final RequestBody body = RequestBody.create(okhttp3.MediaType.parse("text/html; charset=utf-8"),
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"{\"id\":1,\"name\":\"Jim\"}");
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final Request request = new Request.Builder().url(BASE_URL + "/users/detail").post(body).build();
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testRestTemplate.put(URL_SECURED_BY_AUTHENTICATION, request, String.class);
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}
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}
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+48
@@ -0,0 +1,48 @@
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package org.baeldung.web.handler;
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import org.baeldung.web.exception.NotFoundException;
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import org.baeldung.web.model.Bar;
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import org.junit.Assert;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.autoconfigure.web.client.RestClientTest;
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import org.springframework.boot.web.client.RestTemplateBuilder;
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import org.springframework.http.HttpMethod;
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import org.springframework.http.HttpStatus;
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import org.springframework.test.context.ContextConfiguration;
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import org.springframework.test.context.junit4.SpringRunner;
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import org.springframework.test.web.client.ExpectedCount;
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import org.springframework.test.web.client.MockRestServiceServer;
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import org.springframework.web.client.RestTemplate;
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import static org.springframework.test.web.client.match.MockRestRequestMatchers.method;
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import static org.springframework.test.web.client.match.MockRestRequestMatchers.requestTo;
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import static org.springframework.test.web.client.response.MockRestResponseCreators.withStatus;
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@RunWith(SpringRunner.class)
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@ContextConfiguration(classes = { NotFoundException.class, Bar.class })
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@RestClientTest
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public class RestTemplateResponseErrorHandlerIntegrationTest {
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@Autowired private MockRestServiceServer server;
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@Autowired private RestTemplateBuilder builder;
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@Test(expected = NotFoundException.class)
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public void givenRemoteApiCall_when404Error_thenThrowNotFound() {
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Assert.assertNotNull(this.builder);
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Assert.assertNotNull(this.server);
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RestTemplate restTemplate = this.builder
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.errorHandler(new RestTemplateResponseErrorHandler())
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.build();
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this.server
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.expect(ExpectedCount.once(), requestTo("/bars/4242"))
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.andExpect(method(HttpMethod.GET))
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.andRespond(withStatus(HttpStatus.NOT_FOUND));
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Bar response = restTemplate.getForObject("/bars/4242", Bar.class);
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this.server.verify();
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}
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}
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@@ -0,0 +1,13 @@
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*.class
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#folders#
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/target
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/neoDb*
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/data
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/src/main/webapp/WEB-INF/classes
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*/META-INF/*
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# Packaged files #
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*.jar
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*.war
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*.ear
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Reference in New Issue
Block a user