From 8c2fdfd193ec19bc6ae905b20d4f5f3e131bbf74 Mon Sep 17 00:00:00 2001
From: Oleg Zhurakousky <ozhurakousky@pivotal.io>
Date: Sun, 14 Oct 2018 19:43:36 -0400
Subject: [PATCH] GH-198 added multi-function validation test

Added test to validate that the behavior described in GH-198 is intentional and useful especially in light og GH-208
Resolves #198
---
 .../config/BeanFactoryFunctionCatalogTests.java    | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/config/BeanFactoryFunctionCatalogTests.java b/spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/config/BeanFactoryFunctionCatalogTests.java
index 95153c14e..de5241060 100644
--- a/spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/config/BeanFactoryFunctionCatalogTests.java
+++ b/spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/config/BeanFactoryFunctionCatalogTests.java
@@ -179,6 +179,20 @@ public class BeanFactoryFunctionCatalogTests {
 		processor.lookup("supplier|consumer|z");
 	}
 
+	@Test
+	public void composeSupplierAndMultipleFunctions() {
+		Supplier<String> s = () -> "hello";
+		processor.register(new FunctionRegistration<>(s, "supplier"));
+		Function<String, String> uppercase = x -> x.toUpperCase();
+		processor.register(new FunctionRegistration<>(uppercase, "uppercase"));
+		Function<String, String> concat = x -> x + x;
+		processor.register(new FunctionRegistration<>(concat, "concat"));
+
+		Supplier<Flux<String>> f = processor.lookup("supplier|uppercase|concat");
+
+		assertThat(f.get().blockFirst()).isEqualTo("HELLOHELLO");
+	}
+
 	protected static class Source implements Supplier<Integer> {
 
 		@Override