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Add example of Spring WebClient usage (#418)
- Add example of WebClient usage - Add additional test case with WebClient usage Signed-off-by: Dave Syer <dsyer@vmware.com>
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examples/spring-reactive/src/test/java/io/cloudevents/examples/spring/WebClientTests.java
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| package io.cloudevents.examples.spring; | ||
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| import static org.assertj.core.api.Assertions.assertThat; | ||
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| import java.net.URI; | ||
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| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.springframework.beans.factory.annotation.Autowired; | ||
| import org.springframework.boot.test.context.SpringBootTest; | ||
| import org.springframework.boot.test.context.SpringBootTest.WebEnvironment; | ||
| import org.springframework.boot.web.server.LocalServerPort; | ||
| import org.springframework.web.reactive.function.client.WebClient; | ||
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| import io.cloudevents.CloudEvent; | ||
| import io.cloudevents.core.builder.CloudEventBuilder; | ||
| import reactor.core.publisher.Mono; | ||
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| /** | ||
| * Test case to show example usage of WebClient and CloudEvent. The actual | ||
| * content of the request and response are asserted separately in | ||
| * {@link DemoApplicationTests}. | ||
| */ | ||
| @SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT) | ||
| public class WebClientTests { | ||
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| @Autowired | ||
| private WebClient.Builder rest; | ||
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| @LocalServerPort | ||
| private int port; | ||
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| private CloudEvent event; | ||
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| @BeforeEach | ||
| void setUp() { | ||
| event = CloudEventBuilder.v1() // | ||
| .withId("12345") // | ||
| .withSource(URI.create("https://spring.io/events")) // | ||
| .withType("io.spring.event") // | ||
| .withData("{\"value\":\"Dave\"}".getBytes()) // | ||
| .build(); | ||
| } | ||
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| @Test | ||
| void echoWithCorrectHeaders() { | ||
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| Mono<CloudEvent> result = rest.build() // | ||
| .post() // | ||
| .uri("http://localhost:" + port + "/event") // | ||
| .bodyValue(event) // | ||
| .exchangeToMono(response -> response.bodyToMono(CloudEvent.class)); | ||
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| assertThat(result.block().getData()).isEqualTo(event.getData()); | ||
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| } | ||
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| } |