Add support for exploded Boot archive in deployer

spring-cloud-function-deployer/src/test/java/org/springframework/cloud/function/deployer/SpringFunctionAppExplodedConfigurationTests.java

@@ -0,0 +1,106 @@
+/*
+ * Copyright 2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.function.deployer;
+
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.rule.OutputCapture;
+import org.springframework.cloud.function.context.FunctionCatalog;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.hamcrest.Matchers.containsString;
+
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = FunctionDeployerConfiguration.class, webEnvironment = SpringBootTest.WebEnvironment.NONE)
+@TestPropertySource(properties = {
+		"function.location=file:target/it/support/target/dependency", })
+public abstract class SpringFunctionAppExplodedConfigurationTests {
+
+	@Autowired
+	protected FunctionCatalog catalog;
+
+	@EnableAutoConfiguration
+	@TestPropertySource(properties = { "function.bean=myEmitter",
+			"function.main=com.example.functions.FunctionApp" })
+	public static class SourceTests extends SpringFunctionAppExplodedConfigurationTests {
+
+		@Test
+		public void test() throws Exception {
+			Supplier<Flux<String>> function = catalog.lookup(Supplier.class, "function0");
+			assertThat(function.get().blockFirst()).isEqualTo("one");
+		}
+
+	}
+
+	@EnableAutoConfiguration
+	@TestPropertySource(properties = { "function.bean=myEmitter,myCounter" })
+	public static class CompositeTests extends SpringFunctionAppExplodedConfigurationTests {
+
+		@Test
+		public void test() throws Exception {
+			Supplier<Flux<Integer>> function = catalog.lookup(Supplier.class,
+					"function0|function1");
+			assertThat(function.get().blockFirst()).isEqualTo(3);
+		}
+
+	}
+
+	@EnableAutoConfiguration
+	@TestPropertySource(properties = { "function.bean=myCounter" })
+	public static class ProcessorTests extends SpringFunctionAppExplodedConfigurationTests {
+
+		@Test
+		public void test() throws Exception {
+			Function<Flux<String>, Flux<Integer>> function = catalog
+					.lookup(Function.class, "function0");
+			assertThat(function.apply(Flux.just("spam")).blockFirst()).isEqualTo(4);
+		}
+
+	}
+
+	@EnableAutoConfiguration
+	@TestPropertySource(properties = { "function.bean=myDoubler" })
+	public static class SinkTests extends SpringFunctionAppExplodedConfigurationTests {
+
+		@Rule
+		public OutputCapture capture = new OutputCapture();
+
+		@Test
+		public void test() throws Exception {
+			// Can't assert side effects.
+			Function<Flux<Integer>, Mono<Void>> function = catalog.lookup(Function.class,
+					"function0");
+			function.apply(Flux.just(5)).block();
+			capture.expect(containsString(String.format("10%n")));
+		}
+
+	}
+
+}