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GH-816 Fix support for function that returns Iterable with target-protocol set

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Resolves #816
This commit is contained in:
Oleg Zhurakousky
2022-02-21 14:50:29 +01:00
parent ca16797791
commit ed6642e18e
3 changed files with 22 additions and 2 deletions
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13
spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/catalog/BeanFactoryAwareFunctionRegistryTests.java
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@@ -55,6 +55,7 @@ import org.springframework.cloud.function.context.FunctionCatalog;
import org.springframework.cloud.function.context.FunctionRegistration;
import org.springframework.cloud.function.context.FunctionRegistry;
import org.springframework.cloud.function.context.catalog.SimpleFunctionRegistry.FunctionInvocationWrapper;
import org.springframework.cloud.function.context.message.MessageUtils;
import org.springframework.cloud.function.json.JsonMapper;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
@@ -431,6 +432,18 @@ public class BeanFactoryAwareFunctionRegistryTests {
assertThat(result instanceof Message).isFalse();
}
@Test
public void testMultipleValuesInOutputHandlingWithTargetProtocol() throws Exception {
FunctionCatalog catalog = this.configureCatalog(CollectionOutConfiguration.class);
FunctionInvocationWrapper function = catalog.lookup("parseToList", "application/json");
assertThat(function).isNotNull();
Object result = function.apply(MessageBuilder.withPayload("1, 2, 3".getBytes())
.setHeader(MessageHeaders.CONTENT_TYPE, "text/plain")
.setHeader(MessageUtils.TARGET_PROTOCOL, "integration")
.build());
assertThat(result instanceof List).isTrue();
}
/**
* The following two tests test the fallback mechanism when an accept header has several values.
* The function produces Integer, which cannot be serialized by the default converter supporting text/plain