package com.baeldung.jsontojavaclass; import java.io.File; import java.io.IOException; import java.net.MalformedURLException; import org.junit.jupiter.api.Assertions; import org.junit.jupiter.api.Test; class JsonToJavaClassConversionUnitTest { private JsonToJavaClassConversion jsonToJavaConversion = new JsonToJavaClassConversion(); @Test void whenProvideInputJSON_thenGenerateJavaClass() throws MalformedURLException, IOException { String packageName = "com.baeldung.jsontojavaclass.pojo"; // load input JSON file String jsonPath = "src/test/resources/"; File inputJson = new File(jsonPath + "sample_input.json"); // create the local directory for generating the Java Class file String outputPath = "src/main/java/"; File outputJavaClassDirectory = new File(outputPath); outputJavaClassDirectory.mkdirs(); String className = "SamplePojo"; Object object = jsonToJavaConversion.convertJsonToJavaClass(inputJson.toURI() .toURL(), outputJavaClassDirectory, packageName, className); System.out.println(object); Assertions.assertNotNull(object); } }