Add sample to test ClientHttpRequestFactory

Closes gh-1636

Author: mhalbritter

samples/clientHttpRequestFactory/.gitignore

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+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**
+!**/src/test/**
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+
+### VS Code ###
+.vscode/

samples/clientHttpRequestFactory/README.md

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+Testing ClientHttpRequestFactory
+
+See https://github.com/spring-projects-experimental/spring-native/issues/1636

samples/clientHttpRequestFactory/build.sh

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+#!/usr/bin/env bash
+
+ ${PWD%/*samples/*}/scripts/compileWithMaven.sh $* &&  ${PWD%/*samples/*}/scripts/test.sh $*

samples/clientHttpRequestFactory/pom.xml

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+<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.experimental</groupId>
+		<artifactId>spring-native-sample-parent</artifactId>
+		<version>0.12.1-SNAPSHOT</version>
+		<relativePath>../maven-parent/pom.xml</relativePath>
+	</parent>
+	<groupId>com.example</groupId>
+	<artifactId>clientHttpRequestFactory</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.experimental</groupId>
+			<artifactId>spring-native</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<!-- Check out the parent POM for the plugins configuration -->
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.experimental</groupId>
+				<artifactId>spring-aot-maven-plugin</artifactId>
+			</plugin>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

samples/clientHttpRequestFactory/src/main/java/com/example/webmvc/ClientHttpRequestFactoryApplication.java

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+package com.example.webmvc;
+
+import java.time.Duration;
+
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.web.client.RestTemplateBuilder;
+import org.springframework.context.annotation.Bean;
+import org.springframework.web.client.RestTemplate;
+
+@SpringBootApplication
+public class ClientHttpRequestFactoryApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(ClientHttpRequestFactoryApplication.class, args);
+	}
+
+	@Bean
+	CommandLineRunner commandLineRunner() {
+		return args -> {
+			RestTemplate restTemplate = new RestTemplateBuilder().setConnectTimeout(Duration.ofMillis(1000)).build();
+			System.out.println("RestTemplate: " + restTemplate);
+		};
+	}
+
+}

samples/clientHttpRequestFactory/src/test/java/com/example/webmvc/ClientHttpRequestFactoryApplicationTests.java

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+package com.example.webmvc;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class ClientHttpRequestFactoryApplicationTests {
+
+	@Test
+	void contextLoads() {
+
+	}
+
+}

samples/clientHttpRequestFactory/verify.sh

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+#!/usr/bin/env bash
+source ${PWD%/*samples/*}/scripts/wait.sh
+wait_log target/native/test-output.txt "RestTemplate: org.springframework.web.client.RestTemplate@"