Revert back to junit4 (#18786)

* revert junit5 upgrade

* revert upgrade to junit5

* fix kotlin-wiremock template folder

* fix/comment tests

* update

Author: wing328

modules/openapi-generator-maven-plugin/examples/multi-module/pom.xml

@@ -19,7 +19,7 @@
         <jackson-databind-nullable-version>0.2.1</jackson-databind-nullable-version>
         <jodatime-version>2.7</jodatime-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
-        <junit-version>5.10.2</junit-version>
+        <junit-version>4.13.2</junit-version>
         <http-signature-version>1.4</http-signature-version>
     </properties>
 </project>

modules/openapi-generator-maven-plugin/pom.xml

@@ -59,8 +59,8 @@
             <version>${project.version}</version>
         </dependency>
         <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-api</artifactId>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
             <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>

modules/openapi-generator-maven-plugin/src/test/java/org/openapitools/codegen/plugin/CodeGenMojoTest.java

@@ -16,7 +16,7 @@
 
 package org.openapitools.codegen.plugin;
 
-import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.Assert.assertThrows;
 
 import java.io.File;
 import java.nio.file.Files;

modules/openapi-generator-online/pom.xml

@@ -127,8 +127,8 @@
         </dependency>
 
         <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-api</artifactId>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
             <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>

modules/openapi-generator-online/src/test/java/org/openapitools/codegen/online/api/GenApiControllerTest.java

@@ -1,14 +1,14 @@
 package org.openapitools.codegen.online.api;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
+import org.junit.Test;
+import org.junit.runner.RunWith;
 import org.openapitools.codegen.online.model.ResponseCode;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.MediaType;
-import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.servlet.MockMvc;
 
 import static org.hamcrest.Matchers.hasItem;
@@ -18,7 +18,7 @@
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
 
-@ExtendWith(SpringExtension.class)
+@RunWith(SpringRunner.class)
 @WebMvcTest(GenApiController.class)
 public class GenApiControllerTest {
 

modules/openapi-generator/pom.xml

@@ -327,16 +327,10 @@
         </dependency>
         <dependency>
             <groupId>com.tngtech.archunit</groupId>
-            <artifactId>archunit-junit5</artifactId>
+            <artifactId>archunit-junit4</artifactId>
             <version>${archunit.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-api</artifactId>
-            <version>${junit.version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.testng</groupId>
             <artifactId>testng</artifactId>

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/KotlinWiremockServerCodegen.java

@@ -41,6 +41,8 @@ public String getHelp() {
     public KotlinWiremockServerCodegen() {
         super();
 
+        embeddedTemplateDir = templateDir = "kotlin-wiremock";
+
         generatorMetadata = GeneratorMetadata.newBuilder(generatorMetadata)
                 .stability(Stability.BETA)
                 .build();

modules/openapi-generator/src/main/resources/JavaJaxRS/spec/beanValidation.mustache

@@ -1 +1 @@
-{{#required}}@NotNull {{/required}}{{#isContainer}}{{^items.isPrimitiveType}}{{^items.isDate}}{{^items.isDateTime}}{{^items.isString}}{{^items.isFile}}{{^items.isEnumOrRef}}@Valid {{/items.isEnumOrRef}}{{/items.isFile}}{{/items.isString}}{{/items.isDateTime}}{{/items.isDate}}{{/items.isPrimitiveType}}{{/isContainer}}{{^isContainer}}{{^isPrimitiveType}}{{^isDate}}{{^isDateTime}}{{^isString}}{{^isFile}}{{^isEnumOrRef}}@Valid {{/isEnumOrRef}}{{/isFile}}{{/isString}}{{/isDateTime}}{{/isDate}}{{/isPrimitiveType}}{{/isContainer}}{{>beanValidationCore}}
+{{#required}}{{^isReadOnly}}@NotNull {{/isReadOnly}}{{/required}}{{#isContainer}}{{^items.isPrimitiveType}}{{^items.isDate}}{{^items.isDateTime}}{{^items.isString}}{{^items.isFile}}{{^items.isEnumOrRef}}@Valid {{/items.isEnumOrRef}}{{/items.isFile}}{{/items.isString}}{{/items.isDateTime}}{{/items.isDate}}{{/items.isPrimitiveType}}{{/isContainer}}{{^isContainer}}{{^isPrimitiveType}}{{^isDate}}{{^isDateTime}}{{^isString}}{{^isFile}}{{^isEnumOrRef}}@Valid {{/isEnumOrRef}}{{/isFile}}{{/isString}}{{/isDateTime}}{{/isDate}}{{/isPrimitiveType}}{{/isContainer}}{{>beanValidationCore}}

modules/openapi-generator/src/main/resources/codegen/generatorClassTest.mustache

@@ -1,6 +1,6 @@
 package {{generatorPackage}};
 
-import org.junit.jupiter.api.Test;
+import org.junit.Test;
 import org.openapitools.codegen.ClientOptInput;
 import org.openapitools.codegen.DefaultGenerator;
 import org.openapitools.codegen.config.CodegenConfigurator;
@@ -33,4 +33,4 @@ public class {{generatorClass}}Test {
     DefaultGenerator generator = new DefaultGenerator();
     generator.opts(clientOptInput).generate();
   }
-}
+}

modules/openapi-generator/src/main/resources/codegen/pom.mustache

@@ -41,6 +41,7 @@
                     </systemPropertyVariables>
                     <argLine>-Xms512m -Xmx1500m</argLine>
                     <parallel>methods</parallel>
+		    <forkMode>pertest</forkMode>
                 </configuration>
             </plugin>
 
@@ -113,8 +114,8 @@
             <scope>provided</scope>
         </dependency>
         <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-api</artifactId>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
             <version>${junit-version}</version>
             <scope>test</scope>
         </dependency>
@@ -123,6 +124,6 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <openapi-generator-version>{{openapiGeneratorVersion}}</openapi-generator-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
-        <junit-version>5.10.2</junit-version>
+        <junit-version>4.13.2</junit-version>
     </properties>
 </project>

modules/openapi-generator/src/test/java/org/openapitools/codegen/AllGeneratorsTest.java

@@ -30,21 +30,25 @@ public class AllGeneratorsTest {
     @Test
     public void testEachWithPetstore() throws IOException {
         for (final CodegenConfig codegenConfig : CodegenConfigLoader.getAll()) {
-            File output = Files.createTempDirectory("test").toFile();
-            output.deleteOnExit();
-
-            final CodegenConfigurator configurator = new CodegenConfigurator()
-                    .setGeneratorName(codegenConfig.getName())
-                    .setInputSpec("src/test/resources/3_0/petstore.yaml")
-                    .setOutputDir(output.getAbsolutePath().replace("\\", "/"));
-
-            final ClientOptInput clientOptInput = configurator.toClientOptInput();
-            DefaultGenerator generator = new DefaultGenerator();
-            List<File> files = generator.opts(clientOptInput).generate();
-
-            // Main intention of this test is to check that nothing crashes. Besides, we check here that
-            // at least 1 file is generated, besides the common ".openapi-generator-ignore", "FILES" and "VERSION" files.
-            Assert.assertTrue(files.size() >= 4);
+            try {
+                File output = Files.createTempDirectory("test").toFile();
+                output.deleteOnExit();
+
+                final CodegenConfigurator configurator = new CodegenConfigurator()
+                        .setGeneratorName(codegenConfig.getName())
+                        .setInputSpec("src/test/resources/3_0/petstore.yaml")
+                        .setOutputDir(output.getAbsolutePath().replace("\\", "/"));
+
+                final ClientOptInput clientOptInput = configurator.toClientOptInput();
+                DefaultGenerator generator = new DefaultGenerator();
+                List<File> files = generator.opts(clientOptInput).generate();
+
+                // Main intention of this test is to check that nothing crashes. Besides, we check here that
+                // at least 1 file is generated, besides the common ".openapi-generator-ignore", "FILES" and "VERSION" files.
+                Assert.assertTrue(files.size() >= 4);
+            } catch (Exception e) {
+                throw new RuntimeException("Failed to run " + codegenConfig.getName() + " with petstore.yaml: " + e.getMessage());
+            }
         }
     }
 

modules/openapi-generator/src/test/java/org/openapitools/codegen/ArchUnitRulesTest.java

@@ -4,7 +4,7 @@
 import com.tngtech.archunit.core.domain.JavaModifier;
 import com.tngtech.archunit.core.importer.ClassFileImporter;
 import com.tngtech.archunit.lang.ArchRule;
-import org.junit.jupiter.api.Test;
+import org.junit.Test;
 
 import static com.tngtech.archunit.lang.syntax.ArchRuleDefinition.*;
 import static com.tngtech.archunit.library.GeneralCodingRules.NO_CLASSES_SHOULD_ACCESS_STANDARD_STREAMS;