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Improve handling of empty response with Mono<T>

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Issue: SPR-17560
This commit is contained in:
Rossen Stoyanchev
2018-11-19 16:47:51 -05:00
parent 63275ae2b7
commit abf9ce8a34
3 changed files with 28 additions and 13 deletions
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18
spring-web/src/test/java/org/springframework/http/codec/EncoderHttpMessageWriterTests.java
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@@ -34,23 +34,17 @@ import reactor.test.StepVerifier;
import org.springframework.core.codec.Encoder;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.core.io.buffer.DefaultDataBufferFactory;
import org.springframework.core.io.buffer.support.DataBufferTestUtils;
import org.springframework.http.MediaType;
import org.springframework.mock.http.server.reactive.test.MockServerHttpResponse;
import org.springframework.util.MimeType;
import org.springframework.util.MimeTypeUtils;
import static java.nio.charset.StandardCharsets.ISO_8859_1;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static java.nio.charset.StandardCharsets.*;
import static org.junit.Assert.*;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.when;
import static org.springframework.core.ResolvableType.forClass;
import static org.springframework.http.MediaType.TEXT_HTML;
import static org.springframework.http.MediaType.TEXT_PLAIN;
import static org.springframework.http.MediaType.TEXT_XML;
import static org.mockito.Mockito.*;
import static org.springframework.core.ResolvableType.*;
import static org.springframework.http.MediaType.*;
/**
* Unit tests for {@link EncoderHttpMessageWriter}.
@@ -174,7 +168,7 @@ public class EncoderHttpMessageWriterTests {
public void emptyBodyWritten() {
HttpMessageWriter<String> writer = getWriter(MimeTypeUtils.TEXT_PLAIN);
writer.write(Mono.empty(), forClass(String.class), TEXT_PLAIN, this.response, NO_HINTS).block();
StepVerifier.create(this.response.getBody()).expectNextCount(1).verifyComplete();
StepVerifier.create(this.response.getBody()).expectComplete();
assertEquals(0, this.response.getHeaders().getContentLength());
}