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GH-460 Add support for function filtering

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Added support for function filtering in the event there are more then one function in catalog. This is primarily to ensure that
we have a mechanism to specify which functions to export as web enpoints (instead of all)

Resolves #460
This commit is contained in:
Oleg Zhurakousky
2020-03-23 11:19:40 +01:00
parent 919b9902e9
commit 85000ee084
6 changed files with 278 additions and 22 deletions
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10
spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/catalog/BeanFactoryAwareFunctionRegistryTests.java
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@@ -28,6 +28,7 @@ import java.util.function.Function;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import reactor.core.publisher.Flux;
@@ -77,6 +78,11 @@ public class BeanFactoryAwareFunctionRegistryTests {
return catalog;
}
@Before
public void before() {
System.clearProperty("spring.cloud.function.definition");
}
@Test
public void testDefaultLookup() throws Exception {
FunctionCatalog catalog = this.configureCatalog();
@@ -84,6 +90,7 @@ public class BeanFactoryAwareFunctionRegistryTests {
assertThat(function).isNull();
//==
System.setProperty("spring.cloud.function.definition", "uppercase");
catalog = this.configureCatalog();
function = catalog.lookup("");
assertThat(function).isNotNull();
Field field = ReflectionUtils.findField(FunctionInvocationWrapper.class, "composed");
@@ -91,6 +98,7 @@ public class BeanFactoryAwareFunctionRegistryTests {
assertThat(((boolean) field.get(function))).isFalse();
//==
System.setProperty("spring.cloud.function.definition", "uppercase|uppercaseFlux");
catalog = this.configureCatalog();
function = catalog.lookup("", "application/json");
Function<Flux<String>, Flux<Message<String>>> typedFunction = (Function<Flux<String>, Flux<Message<String>>>) function;
Object blockFirst = typedFunction.apply(Flux.just("hello")).blockFirst();
@@ -354,7 +362,7 @@ public class BeanFactoryAwareFunctionRegistryTests {
FunctionCatalog catalog = this.configureCatalog(CollectionOutConfiguration.class);
FunctionInvocationWrapper function = catalog.lookup("parseToList", "application/json");
assertThat(function).isNotNull();
Object result = (Message) function.apply(MessageBuilder.withPayload("1, 2, 3".getBytes()).setHeader(MessageHeaders.CONTENT_TYPE, "text/plain").build());
Object result = function.apply(MessageBuilder.withPayload("1, 2, 3".getBytes()).setHeader(MessageHeaders.CONTENT_TYPE, "text/plain").build());
assertThat(result instanceof Message).isTrue();
function = catalog.lookup("parseToListOfMessages", "application/json");