Reflect grouping in directory structure

framework/validation/README.adoc

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+Tests if validation is working.
+
+Tests:
+
+* Method validation
+* Configuration properties validation
+* WebMVC Controller response body validation

framework/validation/build.gradle

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+plugins {
+	id 'java'
+	id 'org.springframework.boot'
+	id 'org.springframework.aot.smoke-test'
+	id 'org.graalvm.buildtools.native'
+}
+
+dependencies {
+	implementation(platform(org.springframework.boot.gradle.plugin.SpringBootPlugin.BOM_COORDINATES))
+	implementation("org.springframework.boot:spring-boot-starter-web")
+	implementation("org.springframework.boot:spring-boot-starter-validation")
+
+	testImplementation("org.springframework.boot:spring-boot-starter-test")
+
+	appTestImplementation(project(":aot-smoke-test-support"))
+	appTestImplementation("org.awaitility:awaitility:4.2.0")
+}
+
+aotSmokeTest {
+	webApplication = true
+}

framework/validation/src/appTest/java/com/example/validation/ValidationApplicationAotTests.java

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+/*
+ * Copyright 2022 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 com.example.validation;
+
+import java.time.Duration;
+
+import org.awaitility.Awaitility;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.aot.smoketest.support.assertj.AssertableOutput;
+import org.springframework.aot.smoketest.support.junit.ApplicationTest;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.reactive.server.WebTestClient;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@ApplicationTest
+class ValidationApplicationAotTests {
+
+	@Test
+	void methodValidationWorks(AssertableOutput output) {
+		Awaitility.await().atMost(Duration.ofSeconds(10)).untilAsserted(() -> {
+			assertThat(output).hasSingleLineContaining("this.someService.hello('world'): hello world")
+					.hasSingleLineContaining("this.someService.hello(''): Got expected exception").hasNoLinesContaining(
+							"this.someService.hello(''): Invocation worked, this should not have happened!");
+		});
+	}
+
+	@Test
+	void configurationPropertiesValidationWorks() {
+		// No way to test that without letting the application startup fail
+	}
+
+	@Test
+	void controllerValidationWorks(WebTestClient client) {
+		client.post().uri("/hello").contentType(MediaType.APPLICATION_JSON).bodyValue("{\"name\": \"world\"}")
+				.exchange().expectStatus().isOk().expectBody().consumeWith(
+						(result) -> assertThat(new String(result.getResponseBodyContent())).isEqualTo("Hello world"));
+		client.post().uri("/hello").contentType(MediaType.APPLICATION_JSON).bodyValue("{\"name\": \"\"}").exchange()
+				.expectStatus().isBadRequest();
+	}
+
+}

framework/validation/src/main/java/com/example/validation/ValidationApplication.java

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+package com.example.validation;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class ValidationApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(ValidationApplication.class, args);
+	}
+
+}

framework/validation/src/main/java/com/example/validation/controller/TestRestController.java

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+package com.example.validation.controller;
+
+import jakarta.validation.constraints.NotBlank;
+
+import org.springframework.http.MediaType;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+class TestRestController {
+
+	@PostMapping(value = "hello", consumes = MediaType.APPLICATION_JSON_VALUE)
+	public String hello(@Validated @RequestBody Dto dto) {
+		return "Hello " + dto.getName();
+	}
+
+	static class Dto {
+
+		@NotBlank
+		private String name;
+
+		public String getName() {
+			return name;
+		}
+
+		public void setName(String name) {
+			this.name = name;
+		}
+
+	}
+
+}

framework/validation/src/main/java/com/example/validation/method/MethodCLR.java

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+package com.example.validation.method;
+
+import jakarta.validation.ConstraintViolationException;
+
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.stereotype.Component;
+
+@Component
+class MethodCLR implements CommandLineRunner {
+
+	private final SomeService someService;
+
+	MethodCLR(SomeService someService) {
+		this.someService = someService;
+	}
+
+	@Override
+	public void run(String... args) throws Exception {
+		System.out.printf("this.someService.hello('world'): %s%n", this.someService.hello("world"));
+		try {
+			this.someService.hello("");
+			System.out.println("this.someService.hello(''): Invocation worked, this should not have happened!");
+		}
+		catch (ConstraintViolationException e) {
+			System.out.println("this.someService.hello(''): Got expected exception");
+		}
+	}
+
+}

framework/validation/src/main/java/com/example/validation/method/SomeService.java

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+package com.example.validation.method;
+
+import jakarta.validation.constraints.NotBlank;
+
+import org.springframework.stereotype.Service;
+import org.springframework.validation.annotation.Validated;
+
+@Validated
+@Service
+class SomeService {
+
+	public String hello(@NotBlank String name) {
+		return "hello " + name;
+	}
+
+}

framework/validation/src/main/java/com/example/validation/properties/PropertiesCLR.java

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+package com.example.validation.properties;
+
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+@Component
+@EnableConfigurationProperties(TestConfigurationProperties.class)
+class PropertiesCLR implements CommandLineRunner {
+
+	private final TestConfigurationProperties testConfigurationProperties;
+
+	PropertiesCLR(TestConfigurationProperties testConfigurationProperties) {
+		this.testConfigurationProperties = testConfigurationProperties;
+	}
+
+	@Override
+	public void run(String... args) {
+		System.out.printf("testConfigurationProperties.getField(): %s%n", testConfigurationProperties.getField());
+		System.out.printf("testConfigurationProperties.getNested().getField(): %s%n",
+				testConfigurationProperties.getNested().getField());
+	}
+
+}

framework/validation/src/main/java/com/example/validation/properties/TestConfigurationProperties.java

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+package com.example.validation.properties;
+
+import jakarta.validation.Valid;
+import jakarta.validation.constraints.NotBlank;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.validation.annotation.Validated;
+
+@ConfigurationProperties(prefix = "test")
+@Validated
+class TestConfigurationProperties {
+
+	@NotBlank
+	private String field;
+
+	@Valid
+	private Nested nested = new Nested();
+
+	public String getField() {
+		return field;
+	}
+
+	public void setField(String field) {
+		this.field = field;
+	}
+
+	public Nested getNested() {
+		return nested;
+	}
+
+	static class Nested {
+
+		@NotBlank
+		private String field;
+
+		public String getField() {
+			return field;
+		}
+
+		public void setField(String field) {
+			this.field = field;
+		}
+
+	}
+
+}

framework/validation/src/main/resources/application.properties

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+test.field=not-blank
+test.nested.field=not-blank