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GH-444 Fixed support for default function lookup

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Given that function can be looked up with no definition, the fallback alternative should be 'spring.cloud.function.definition' property

Resolves #444
This commit is contained in:
Oleg Zhurakousky
2020-01-28 15:50:42 +01:00
parent 35d3c45959
commit d334ed609c
3 changed files with 32 additions and 1 deletions
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3
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/BeanFactoryAwareFunctionRegistry.java
View File

@@ -125,6 +125,9 @@ public class BeanFactoryAwareFunctionRegistry
@Override
@SuppressWarnings("unchecked")
public <T> T lookup(String definition, String... acceptedOutputTypes) {
if (!StringUtils.hasText(definition)) {
definition = this.applicationContext.getEnvironment().getProperty("spring.cloud.function.definition");
}
Object function = this.proxyInvokerIfNecessary((FunctionInvocationWrapper) this.compose(null, definition, acceptedOutputTypes));
return (T) function;
}

22
spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/catalog/BeanFactoryAwareFunctionRegistryTests.java
View File

@@ -69,6 +69,27 @@ public class BeanFactoryAwareFunctionRegistryTests {
return catalog;
}
@Test
public void testDefaultLookup() throws Exception {
FunctionCatalog catalog = this.configureCatalog();
Object function = catalog.lookup("");
assertThat(function).isNull();
//==
System.setProperty("spring.cloud.function.definition", "uppercase");
function = catalog.lookup("");
assertThat(function).isNotNull();
Field field = ReflectionUtils.findField(FunctionInvocationWrapper.class, "composed");
field.setAccessible(true);
assertThat(((boolean) field.get(function))).isFalse();
//==
System.setProperty("spring.cloud.function.definition", "uppercase|uppercaseFlux");
function = catalog.lookup("");
assertThat(function).isNotNull();
field = ReflectionUtils.findField(FunctionInvocationWrapper.class, "composed");
field.setAccessible(true);
assertThat(((boolean) field.get(function))).isTrue();
}
@Test
public void testImperativeFunction() {
FunctionCatalog catalog = this.configureCatalog();
@@ -530,6 +551,7 @@ public class BeanFactoryAwareFunctionRegistryTests {
public void setId(int id) {
this.id = id;
}
@Override
public String toString() {
return "Person: " + name + "/" + id;
}