Merge pull request #8 from danieladams456/objectmapper

Objectmapper

build.gradle

@@ -3,7 +3,7 @@ plugins {
 }
 
 group = 'com.github.danieladams456'
-version = '0.0.1-SNAPSHOT'
+version = '0.0.2'
 
 repositories {
     mavenCentral()
@@ -14,7 +14,18 @@ test {
 }
 
 dependencies {
-    testImplementation platform('org.junit:junit-bom:5.10.0')
-    testImplementation 'org.junit.jupiter:junit-jupiter'
-    testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.27.1'
+    // test platform
+    testImplementation libs.assertj.core
+    testImplementation libs.junit.jupiter
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+
+    // testing integrations, but don't force consumers to use
+    compileOnly libs.jackson.databind
+    testImplementation libs.jackson.databind
+
+    // lombok
+    compileOnly libs.lombok
+    annotationProcessor libs.lombok
+    testCompileOnly libs.lombok
+    testAnnotationProcessor libs.lombok
 }

gradle/libs.versions.toml

@@ -0,0 +1,11 @@
+[versions]
+assertj = '3.27.1'
+jackson = '2.18.2'
+junit = '5.10.0'
+lombok = '1.18.36'
+
+[libraries]
+assertj-core = { group = 'org.assertj', name = 'assertj-core', version.ref = 'assertj' }
+jackson-databind = { group = 'com.fasterxml.jackson.core', name = 'jackson-databind', version.ref = 'jackson' }
+junit-jupiter = { group = 'org.junit.jupiter', name = 'junit-jupiter', version.ref = 'junit' }
+lombok = { group = 'org.projectlombok', name = 'lombok', version.ref = 'lombok' }

src/main/java/com/github/danieladams456/statusvoter/StatusVoter.java

@@ -1,16 +1,16 @@
 package com.github.danieladams456.statusvoter;
 
+import com.fasterxml.jackson.annotation.JsonValue;
+import lombok.Getter;
+
+@Getter
 public class StatusVoter {
     private StatusClassification classification;
 
     public StatusVoter() {
         classification = StatusClassification.INITIAL;
     }
 
-    public StatusClassification getClassification() {
-        return classification;
-    }
-
     /**
      * Updates the current status classification if the incoming classification
      * has a higher score than the existing classification.
@@ -41,6 +41,12 @@ public void update(String newClassification) {
         }
     }
 
+    /**
+     * toString() is also used for JSON serialization
+     *
+     * @return the string representation of the current StatusClassification
+     */
+    @JsonValue
     @Override
     public String toString() {
         return classification.name();

src/test/java/com/github/danieladams456/statusvoter/IntegrationTest.java

@@ -0,0 +1,48 @@
+package com.github.danieladams456.statusvoter;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.Data;
+import org.junit.jupiter.api.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class IntegrationTest {
+    @Test
+    void testSerializeObject() throws IOException {
+        TestObject data = new TestObject();
+        data.setA("test1");
+        data.setB("test2");
+        ObjectMapper mapper = new ObjectMapper();
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        mapper.writeValue(outputStream, data);
+        assertThat(outputStream.toString()).isEqualTo("""
+                {"a":"test1","b":"test2","voter":"INITIAL"}""");
+    }
+
+    @Test
+    void testSerializeRecord() throws IOException {
+        TestRecord record = new TestRecord("test1", "test2", new StatusVoter());
+        ObjectMapper mapper = new ObjectMapper();
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        mapper.writeValue(outputStream, record);
+        assertThat(outputStream.toString()).isEqualTo("""
+                {"a":"test1","b":"test2","voter":"INITIAL"}""");
+    }
+
+    @Data
+    private static class TestObject {
+        private String a;
+        private String b;
+        private StatusVoter voter = new StatusVoter();
+    }
+
+    private record TestRecord(
+            String a,
+            String b,
+            StatusVoter voter
+    ) {
+    }
+}