Adds smoke tests for a Spring for Apache Geode project generated (created) with Spring Initializer at https://start.spring.io.

Resolves gh-51.

spring-geode-tests/smoke-tests/spring-initializer/spring-geode-smoke-tests-initializer.gradle

@@ -0,0 +1,24 @@
+apply plugin: 'io.spring.convention.spring-test'
+
+description = "Smoke Tests to assert that a Spring for Apache Geode project generated from Spring Initializer is a standard, non-Webapp Spring Boot application."
+
+repositories {
+	mavenCentral()
+	maven { url 'https://repo.spring.io/milestone' }
+	maven { url 'https://repo.spring.io/snapshot' }
+}
+
+dependencies {
+
+	implementation "org.assertj:assertj-core"
+
+	implementation "org.springframework.geode:spring-geode-starter:$version"
+
+	testImplementation('org.springframework.boot:spring-boot-starter-test') {
+		exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
+	}
+}
+
+test {
+	useJUnitPlatform()
+}

spring-geode-tests/smoke-tests/spring-initializer/src/main/java/example/app/InitializerApplication.java

@@ -0,0 +1,90 @@
+/*
+ * Copyright 2019 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
+ *
+ *     https://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 example.app;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.apache.geode.cache.GemFireCache;
+import org.apache.geode.cache.Region;
+import org.apache.geode.cache.client.ClientRegionShortcut;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.WebApplicationType;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.gemfire.client.ClientRegionFactoryBean;
+import org.springframework.data.gemfire.config.annotation.EnableLogging;
+import org.springframework.web.context.WebApplicationContext;
+
+/**
+ * {@link SpringBootApplication Spring Boot application} generated from {@literal Spring Initializer}
+ * at <a href="https://start.spring.io">start.spring.io</a>.
+ *
+ * Putting data into and getting data out of an Apache Geode cache {@link Region} is the most basic function.
+ *
+ * @author John Blum
+ * @see org.apache.geode.cache.GemFireCache
+ * @see org.apache.geode.cache.Region
+ * @see org.springframework.boot.SpringApplication
+ * @see org.springframework.boot.WebApplicationType
+ * @see org.springframework.boot.autoconfigure.SpringBootApplication
+ * @see org.springframework.boot.builder.SpringApplicationBuilder
+ * @see org.springframework.context.ConfigurableApplicationContext
+ * @see org.springframework.context.annotation.Bean
+ * @see org.springframework.context.annotation.Configuration
+ * @see org.springframework.data.gemfire.client.ClientRegionFactoryBean
+ * @see org.springframework.data.gemfire.config.annotation.EnableLogging
+ * @see org.springframework.web.context.WebApplicationContext
+ * @since 1.2.0
+ */
+@SpringBootApplication
+@SuppressWarnings("unused")
+public class InitializerApplication {
+
+	public static void main(String[] args) {
+
+		SpringApplication springApplication =
+			new SpringApplicationBuilder(InitializerApplication.class) .build();
+
+		assertThat(springApplication).isNotNull();
+		assertThat(springApplication.getWebApplicationType()).isEqualTo(WebApplicationType.NONE);
+
+		ConfigurableApplicationContext applicationContext = springApplication.run(args);
+
+		assertThat(applicationContext).isNotNull();
+		assertThat(applicationContext).isNotInstanceOf(WebApplicationContext.class);
+		assertThat(springApplication.getWebApplicationType()).isNotEqualTo(WebApplicationType.SERVLET);
+	}
+
+	@Configuration
+	@EnableLogging(logLevel = "error")
+	static class GeodeConfiguration {
+
+		@Bean("Example")
+		public ClientRegionFactoryBean<Object, Object> exampleRegion(GemFireCache gemfireCache) {
+
+			ClientRegionFactoryBean<Object, Object> exampleRegion = new ClientRegionFactoryBean<>();
+
+			exampleRegion.setCache(gemfireCache);
+			exampleRegion.setShortcut(ClientRegionShortcut.LOCAL);
+
+			return exampleRegion;
+		}
+	}
+}

spring-geode-tests/smoke-tests/spring-initializer/src/test/java/example/app/InitializerApplicationSmokeTests.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright 2019 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
+ *
+ *     https://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 example.app;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.gemfire.GemfireTemplate;
+import org.springframework.test.context.junit4.SpringRunner;
+
+/**
+ * Smoke Tests for {@link InitializerApplication}.
+ *
+ * @author John Blum
+ * @see org.junit.Test
+ * @see org.springframework.boot.test.context.SpringBootTest
+ * @see org.springframework.data.gemfire.GemfireTemplate
+ * @see org.springframework.test.context.junit4.SpringRunner
+ * @see example.app.InitializerApplication
+ * @since 1.2.0
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest
+@SuppressWarnings("unused")
+public class InitializerApplicationSmokeTests {
+
+	@Autowired
+	@Qualifier("exampleTemplate")
+	private GemfireTemplate exampleTemplate;
+
+	@Test
+	public void loadsContextAndRegionDataAccessOperationsWork() {
+
+		assertThat(this.exampleTemplate).isNotNull();
+		assertThat(this.exampleTemplate.getRegion()).isNotNull();
+		assertThat(this.exampleTemplate.getRegion().getName()).isEqualTo("Example");
+		assertThat(this.exampleTemplate.put(1, "TEST")).isNull();
+		assertThat(this.exampleTemplate.<Integer, String>get(1)).isEqualTo("TEST");
+	}
+}

spring-geode-tests/smoke-tests/spring-initializer/src/test/resources/logback.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration debug="false">
+
+	<statusListener class="ch.qos.logback.core.status.NopStatusListener"/>
+
+	<appender name="console" class="ch.qos.logback.core.ConsoleAppender">
+		<encoder>
+			<pattern>%d %5p %40.40c:%4L - %m%n</pattern>
+		</encoder>
+	</appender>
+
+	<logger name="ch.qos.logback" level="${logback.log.level:-ERROR}"/>
+
+	<logger name="org.apache" level="${logback.log.level:-ERROR}"/>
+
+	<logger name="org.springframework" level="${logback.log.level:-ERROR}"/>
+
+	<root level="${logback.log.level:-ERROR}">
+		<appender-ref ref="console"/>
+	</root>
+
+</configuration>