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GH-413 Fix type discovery logic in BeanFactoryAwareFunctionRegistry

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- added 'discoverFunctionTypeFromFunctionalObject' method to FunctionTypeUtils
- added tests to reproduce and validate the issue
This commit is contained in:
Oleg Zhurakousky
2019-10-02 11:37:08 -04:00
parent 08c194e14f
commit 38e06a9dd0
3 changed files with 51 additions and 5 deletions
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38
spring-cloud-function-deployer/src/test/java/org/springframework/cloud/function/deployer/FunctionDeployerTests.java
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@@ -332,6 +332,44 @@ public class FunctionDeployerTests {
assertThat(result2.get(1)).isEqualTo("2");
}
// same as previous test, but lookup is empty
@Test
public void testBootJarWithMultipleInputOutputEmptyLookup() {
String[] args = new String[] {
"--spring.cloud.function.location=target/it/bootjar-multi/target/bootjar-multi-1.0.0.RELEASE-exec.jar",
"--spring.cloud.function.function-class=function.example.Repeater"
};
ApplicationContext context = SpringApplication.run(DeployerApplication.class, args);
FunctionCatalog catalog = context.getBean(FunctionCatalog.class);
Function<Tuple2<Flux<Message<byte[]>>, Flux<Message<byte[]>>>, Tuple2<Flux<Message<byte[]>>, Flux<Message<byte[]>>>> function =
catalog.lookup("", "application/json", "application/json");
Message<byte[]> msg1 = MessageBuilder.withPayload("\"one\"".getBytes()).build();
Message<byte[]> msg2 = MessageBuilder.withPayload("\"two\"".getBytes()).build();
Flux<Message<byte[]>> inputOne = Flux.just(msg1, msg2);
Message<byte[]> msgInt1 = MessageBuilder.withPayload("\"1\"".getBytes()).build();
Message<byte[]> msgInt2 = MessageBuilder.withPayload("\"2\"".getBytes()).build();
Flux<Message<byte[]>> inputTwo = Flux.just(msgInt1, msgInt2);
Tuple2<Flux<Message<byte[]>>, Flux<Message<byte[]>>> result = function.apply(Tuples.of(inputOne, inputTwo));
List<String> result1 = new ArrayList<>();
List<String> result2 = new ArrayList<>();
result.getT1().subscribe(message -> {
result1.add(new String(message.getPayload()));
});
result.getT2().subscribe(message -> {
result2.add(new String(message.getPayload()));
});
assertThat(result1.get(0)).isEqualTo("\"one\"");
assertThat(result1.get(1)).isEqualTo("\"two\"");
assertThat(result2.get(0)).isEqualTo("3");
assertThat(result2.get(1)).isEqualTo("2");
}
@SpringBootApplication(proxyBeanMethods = false)
private static class DeployerApplication {
}