Add specific 8-friendly test and pom for boilerplate test.

Author: rikgibson

integration-tests/funcs/helloFunc/func.yaml

@@ -0,0 +1,6 @@
+schema_version: 20180708
+name: hellofunc
+version: 0.0.1
+runtime: java8
+cmd: com.fnproject.fn.integration.hello.HelloFunction::handleRequest
+format: http-stream

integration-tests/funcs/helloFunc/pom.xml

@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <fdk.version>1.0.0-SNAPSHOT</fdk.version>
+    </properties>
+    <groupId>com.example.fn</groupId>
+    <artifactId>hello-func</artifactId>
+    <version>1.0.0</version>
+
+    <repositories>
+        <repository>
+            <id>fn-release-repo</id>
+            <url>https://dl.bintray.com/fnproject/fnproject</url>
+        </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.fnproject.fn</groupId>
+            <artifactId>api</artifactId>
+            <version>${fdk.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fnproject.fn</groupId>
+            <artifactId>testing-core</artifactId>
+            <version>${fdk.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.fnproject.fn</groupId>
+            <artifactId>testing-junit4</artifactId>
+            <version>${fdk.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.3</version>
+                <configuration>
+                    <source>8</source>
+                    <target>8</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                 <groupId>org.apache.maven.plugins</groupId>
+                 <artifactId>maven-surefire-plugin</artifactId>
+                 <version>2.22.1</version>
+                 <configuration>
+                     <useSystemClassLoader>false</useSystemClassLoader>
+                 </configuration>
+             </plugin>
+        </plugins>
+    </build>
+</project>

integration-tests/funcs/helloFunc/src/main/java/com/fnproject/fn/integration/hello/HelloFunction.java

@@ -0,0 +1,8 @@
+package com.fnproject.fn.integration.hello;
+
+public class HelloFunction {
+    public String handleRequest(String input) {
+        String name = (input == null || input.isEmpty()) ? "world" : input;
+        return "Hello, " + name + "!";
+    }
+}

integration-tests/src/main/java/com/fnproject/fn/integrationtest/IntegrationTestRule.java

@@ -153,9 +153,10 @@ public CmdResult runFnWithInput(String input, String... args) throws Exception {
             CmdResult res = runFnWithInputAllowError(input, args);
 
             if (res.isSuccess() == false) {
-                System.out.println(res.toString());
+                System.err.println(res.toString());
             }
-            Assertions.assertThat(res.isSuccess()).withFailMessage("Expected command '" + res.cmd + "' to return 0. " + res).isTrue();
+
+            Assertions.assertThat(res.isSuccess()).withFailMessage("Expected command '" + res.cmd + "' to return 0.").isTrue();
             return res;
         }
 

integration-tests/src/test/java/com/fnproject/fn/integrationtest/FunctionsTest.java

@@ -48,8 +48,9 @@ public void checkBoilerPlate() throws Exception {
         for (String format : new String[]{"http-stream"}) {
             for (String runtime : new String[]{"java9", "java8"}) {
                 IntegrationTestRule.TestContext tc = testRule.newTest();
-                String fnName = "bp" + format + runtime;
+                tc.withDirFrom("funcs/hellofunc");
 
+                String fnName = "bp" + format + runtime;
                 tc.runFn("init", "--runtime", runtime, "--name", fnName, "--format", format);
                 tc.rewritePOM();
                 tc.runFn("--verbose", "deploy", "--app", tc.appName(), "--local");