upgrade resteasy to junit5 (#18615)

* upgrade resteasy to junit5

* fix echo_api tests

* updated gradle/sbt/pom and generated samples with bin/generate-samples.sh

* fix xml syntax error

* forgot to run generate-samples.sh

modules/openapi-generator/src/main/resources/Java/libraries/resteasy/build.gradle.mustache

@@ -106,7 +106,8 @@ ext {
     jakarta_annotation_version = "1.3.5"
     threetenbp_version = "2.9.10"
     resteasy_version = "4.5.11.Final"
-    junit_version = "4.13"
+    assertj_version = "3.23.1"
+    junit_version = "5.10.2"
 }
 
 dependencies {
@@ -124,5 +125,6 @@ dependencies {
     {{/openApiNullable}}
     implementation "com.fasterxml.jackson.datatype:jackson-datatype-jsr310:$jackson_version"
     implementation "jakarta.annotation:jakarta.annotation-api:$jakarta_annotation_version"
-    testImplementation "junit:junit:$junit_version"
+    testImplementation "org.assertj:assertj-core:$assertj_version"
+    testImplementation "org.junit.jupiter:junit-jupiter-api:$junit_version"
 }

modules/openapi-generator/src/main/resources/Java/libraries/resteasy/build.sbt.mustache

@@ -19,7 +19,8 @@ lazy val root = (project in file(".")).
       "com.github.joschi.jackson" % "jackson-datatype-threetenbp" % "2.9.10" % "compile",
       "com.fasterxml.jackson.datatype" % "jackson-datatype-jsr310" % "2.9.10" % "compile",
       "jakarta.annotation" % "jakarta.annotation-api" % "1.3.5" % "compile",
-      "junit" % "junit" % "4.13" % "test",
+      "org.assertj" % "assertj-core" % "3.23.1" % "test",
+      "junit" % "junit" % "5.10.2" % "test",
       "com.novocode" % "junit-interface" % "0.10" % "test"
     )
   )

modules/openapi-generator/src/main/resources/Java/libraries/resteasy/pom.mustache

@@ -61,7 +61,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.12</version>
+                <version>2.22.2</version>
                 <configuration>
                     <systemPropertyVariables>
                         <property>
@@ -71,7 +71,6 @@
                     </systemPropertyVariables>
                     <argLine>-Xms512m -Xmx1500m</argLine>
                     <parallel>methods</parallel>
-                    <forkMode>pertest</forkMode>
                 </configuration>
             </plugin>
             <plugin>
@@ -278,8 +277,14 @@
         </dependency>
         <!-- test dependencies -->
         <dependency>
-            <groupId>junit</groupId>
+            <groupId>org.assertj</groupId>
-            <artifactId>junit</artifactId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj-version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
             <version>${junit-version}</version>
             <scope>test</scope>
         </dependency>
@@ -306,6 +311,7 @@
         {{/useJakartaEe}}
         <threetenbp-version>2.9.10</threetenbp-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
-        <junit-version>4.13</junit-version>
+        <assertj-version>3.23.1</assertj-version>
+        <junit-version>5.10.2</junit-version>
     </properties>
 </project>

modules/openapi-generator/src/main/resources/JavaJaxRS/resteasy/eap/pom.mustache

@@ -138,8 +138,8 @@ for this project used jakarta.validation-api -->
             </exclusions>
         </dependency>
         <dependency>
-            <groupId>junit</groupId>
+            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit</artifactId>
+            <artifactId>junit-jupiter-api</artifactId>
             <version>${junit-version}</version>
             <scope>test</scope>
         </dependency>
@@ -150,8 +150,8 @@ for this project used jakarta.validation-api -->
             <scope>test</scope>
             <exclusions>
                 <exclusion>
-                    <artifactId>junit</artifactId>
+                    <artifactId>junit-jupiter-api</artifactId>
-                    <groupId>junit</groupId>
+                    <groupId>org.junit.jupiter</groupId>
                 </exclusion>
                 <exclusion>
                     <artifactId>snakeyaml</artifactId>
@@ -198,7 +198,7 @@ for this project used jakarta.validation-api -->
         <jetty-version>9.2.9.v20150224</jetty-version>
         <resteasy-version>3.0.11.Final</resteasy-version>
         <slf4j-version>1.6.3</slf4j-version>
-        <junit-version>4.13.2</junit-version>
+        <junit-version>5.10.2</junit-version>
         <servlet-api-version>4.0.4</servlet-api-version>
 {{#useBeanValidation}}
         <beanvalidation-version>2.0.2</beanvalidation-version>

modules/openapi-generator/src/main/resources/JavaJaxRS/resteasy/pom.mustache

@@ -160,8 +160,8 @@ for this project used jakarta.validation-api -->
             </exclusions>
         </dependency>
         <dependency>
-            <groupId>junit</groupId>
+            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit</artifactId>
+            <artifactId>junit-jupiter-api</artifactId>
             <version>${junit-version}</version>
             <scope>test</scope>
         </dependency>
@@ -172,8 +172,8 @@ for this project used jakarta.validation-api -->
             <scope>test</scope>
             <exclusions>
                 <exclusion>
-                    <artifactId>junit</artifactId>
+                    <artifactId>junit-jupiter-api</artifactId>
-                    <groupId>junit</groupId>
+                    <groupId>org.junit.jupiter</groupId>
                 </exclusion>
                 <exclusion>
                     <artifactId>snakeyaml</artifactId>
@@ -216,7 +216,7 @@ for this project used jakarta.validation-api -->
         <jetty-version>9.2.9.v20150224</jetty-version>
         <resteasy-version>3.13.0.Final</resteasy-version>
         <slf4j-version>1.6.3</slf4j-version>
-        <junit-version>4.13.2</junit-version>
+        <junit-version>5.10.2</junit-version>
         <servlet-api-version>4.0.4</servlet-api-version>
         {{#useJakartaEe}}
         <jakarta-annotation-version>2.1.1</jakarta-annotation-version>

samples/client/echo_api/java/resteasy/build.gradle

@@ -104,7 +104,8 @@ ext {
     jakarta_annotation_version = "1.3.5"
     threetenbp_version = "2.9.10"
     resteasy_version = "4.5.11.Final"
-    junit_version = "4.13"
+    assertj_version = "3.23.1"
+    junit_version = "5.10.2"
 }
 
 dependencies {
@@ -120,5 +121,6 @@ dependencies {
     implementation "org.openapitools:jackson-databind-nullable:$jackson_databind_nullable_version"
     implementation "com.fasterxml.jackson.datatype:jackson-datatype-jsr310:$jackson_version"
     implementation "jakarta.annotation:jakarta.annotation-api:$jakarta_annotation_version"
-    testImplementation "junit:junit:$junit_version"
+    testImplementation "org.assertj:assertj-core:$assertj_version"
+    testImplementation "org.junit.jupiter:junit-jupiter-api:$junit_version"
 }

samples/client/echo_api/java/resteasy/build.sbt

@@ -19,7 +19,8 @@ lazy val root = (project in file(".")).
       "com.github.joschi.jackson" % "jackson-datatype-threetenbp" % "2.9.10" % "compile",
       "com.fasterxml.jackson.datatype" % "jackson-datatype-jsr310" % "2.9.10" % "compile",
       "jakarta.annotation" % "jakarta.annotation-api" % "1.3.5" % "compile",
-      "junit" % "junit" % "4.13" % "test",
+      "org.assertj" % "assertj-core" % "3.23.1" % "test",
+      "junit" % "junit" % "5.10.2" % "test",
       "com.novocode" % "junit-interface" % "0.10" % "test"
     )
   )

samples/client/echo_api/java/resteasy/pom.xml

@@ -54,7 +54,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.12</version>
+                <version>2.22.2</version>
                 <configuration>
                     <systemPropertyVariables>
                         <property>
@@ -64,7 +64,6 @@
                     </systemPropertyVariables>
                     <argLine>-Xms512m -Xmx1500m</argLine>
                     <parallel>methods</parallel>
-                    <forkMode>pertest</forkMode>
                 </configuration>
             </plugin>
             <plugin>
@@ -240,8 +239,14 @@
         </dependency>
         <!-- test dependencies -->
         <dependency>
-            <groupId>junit</groupId>
+            <groupId>org.assertj</groupId>
-            <artifactId>junit</artifactId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj-version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
             <version>${junit-version}</version>
             <scope>test</scope>
         </dependency>
@@ -255,6 +260,7 @@
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
         <threetenbp-version>2.9.10</threetenbp-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
-        <junit-version>4.13</junit-version>
+        <assertj-version>3.23.1</assertj-version>
+        <junit-version>5.10.2</junit-version>
     </properties>
 </project>

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/CustomTest.java

@@ -11,28 +11,18 @@
  */
 
 
-package org.openapitools.client.api;
+package org.openapitools.client;
+
+import org.junit.jupiter.api.Test;
+import org.openapitools.client.api.BodyApi;
+import org.openapitools.client.api.EchoServerResponseParser;
 
-import org.openapitools.client.ApiException;
 import java.io.File;
-import org.openapitools.client.model.Pet;
-import org.openapitools.client.model.Tag;
-import org.junit.Test;
-import org.junit.Ignore;
-import org.junit.Assert;
-
 import java.io.FileWriter;
 import java.io.IOException;
-import java.time.LocalDate;
-import java.time.OffsetDateTime;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
 
-import static org.hamcrest.CoreMatchers.containsString;
+import static org.assertj.core.api.Assertions.assertThat;
-import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.jupiter.api.Assertions.assertTrue;
-import static org.junit.Assert.assertTrue;
 
 /**
  * API tests
@@ -62,12 +52,12 @@ public class CustomTest {
                 api.testBodyMultipartFormdataSingleBinary(myFile);
 
         EchoServerResponseParser parser =
-                new EchoServerResponseParser(response);
+                new org.openapitools.client.api.EchoServerResponseParser(response);
 
         String contentDisposition = parser.headers.get("Content-Disposition");
 
-        assertThat(contentDisposition, containsString(
+        assertThat(contentDisposition).contains(
                 "form-data; name=\"my-file\"; filename=\"test.txt\""
-        ));
+        );
     }
 }

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/api/AuthApiTest.java

@@ -14,9 +14,9 @@
 package org.openapitools.client.api;
 
 import org.openapitools.client.ApiException;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
 
 import java.time.LocalDate;
 import java.time.OffsetDateTime;

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/api/BodyApiTest.java

@@ -13,26 +13,16 @@
 
 package org.openapitools.client.api;
 
+import org.junit.jupiter.api.Test;
 import org.openapitools.client.ApiException;
-import java.io.File;
+import org.openapitools.client.api.EchoServerResponseParser;
-import org.openapitools.client.model.Pet;
-import org.openapitools.client.model.Tag;
-import org.junit.Test;
-import org.junit.Ignore;
-import org.junit.Assert;
 
+import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
-import java.time.LocalDate;
-import java.time.OffsetDateTime;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
 
-import static org.hamcrest.CoreMatchers.containsString;
+import static org.assertj.core.api.Assertions.assertThat;
-import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.jupiter.api.Assertions.assertTrue;
-import static org.junit.Assert.assertTrue;
 
 /**
  * API tests for BodyApi
@@ -117,9 +107,9 @@ public class BodyApiTest {
 
         String contentDisposition = parser.headers.get("Content-Disposition");
 
-        assertThat(contentDisposition, containsString(
+        assertThat(contentDisposition).contains(
                 "form-data; name=\"my-file\"; filename=\"test.txt\""
-        ));
+        );
     }
 
     /**

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/api/FormApiTest.java

@@ -14,9 +14,9 @@
 package org.openapitools.client.api;
 
 import org.openapitools.client.ApiException;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
 
 import java.time.LocalDate;
 import java.time.OffsetDateTime;

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/api/HeaderApiTest.java

@@ -15,9 +15,9 @@ package org.openapitools.client.api;
 
 import org.openapitools.client.ApiException;
 import org.openapitools.client.model.StringEnumRef;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
 
 import java.time.LocalDate;
 import java.time.OffsetDateTime;

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/api/PathApiTest.java

@@ -15,9 +15,9 @@ package org.openapitools.client.api;
 
 import org.openapitools.client.ApiException;
 import org.openapitools.client.model.StringEnumRef;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
 
 import java.time.LocalDate;
 import java.time.OffsetDateTime;

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/api/QueryApiTest.java

@@ -21,9 +21,9 @@ import org.openapitools.client.model.Pet;
 import org.openapitools.client.model.StringEnumRef;
 import org.openapitools.client.model.TestQueryStyleDeepObjectExplodeTrueObjectAllOfQueryObjectParameter;
 import org.openapitools.client.model.TestQueryStyleFormExplodeTrueArrayStringQueryObjectParameter;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
 
 import java.time.LocalDate;
 import java.time.OffsetDateTime;

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/model/BirdTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Bird

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/model/CategoryTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Category

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/model/DataQueryTest.java

@@ -23,9 +23,9 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import org.openapitools.client.model.Query;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for DataQuery

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/model/DefaultValueTest.java

@@ -26,9 +26,9 @@ import org.openapitools.jackson.nullable.JsonNullable;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import org.openapitools.jackson.nullable.JsonNullable;
 import java.util.NoSuchElementException;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for DefaultValue

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/model/NumberPropertiesOnlyTest.java

@@ -19,9 +19,9 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
 import java.math.BigDecimal;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for NumberPropertiesOnly

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/model/PetTest.java

@@ -23,9 +23,9 @@ import java.util.Arrays;
 import java.util.List;
 import org.openapitools.client.model.Category;
 import org.openapitools.client.model.Tag;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Pet

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/model/QueryTest.java

@@ -21,9 +21,9 @@ import com.fasterxml.jackson.annotation.JsonValue;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Query

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/model/StringEnumRefTest.java

@@ -13,9 +13,9 @@
 
 package org.openapitools.client.model;
 
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for StringEnumRef

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/model/TagTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Tag

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/model/TestFormObjectMultipartRequestMarkerTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for TestFormObjectMultipartRequestMarker

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/model/TestQueryStyleDeepObjectExplodeTrueObjectAllOfQueryObjectParameterTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for TestQueryStyleDeepObjectExplodeTrueObjectAllOfQueryObjectParameter

samples/client/echo_api/java/resteasy/src/test/java/org/openapitools/client/model/TestQueryStyleFormExplodeTrueArrayStringQueryObjectParameterTest.java

@@ -21,9 +21,9 @@ import com.fasterxml.jackson.annotation.JsonValue;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for TestQueryStyleFormExplodeTrueArrayStringQueryObjectParameter

samples/client/petstore/java/resteasy/build.gradle

@@ -104,7 +104,8 @@ ext {
     jakarta_annotation_version = "1.3.5"
     threetenbp_version = "2.9.10"
     resteasy_version = "4.5.11.Final"
-    junit_version = "4.13"
+    assertj_version = "3.23.1"
+    junit_version = "5.10.2"
 }
 
 dependencies {
@@ -120,5 +121,6 @@ dependencies {
     implementation "org.openapitools:jackson-databind-nullable:$jackson_databind_nullable_version"
     implementation "com.fasterxml.jackson.datatype:jackson-datatype-jsr310:$jackson_version"
     implementation "jakarta.annotation:jakarta.annotation-api:$jakarta_annotation_version"
-    testImplementation "junit:junit:$junit_version"
+    testImplementation "org.assertj:assertj-core:$assertj_version"
+    testImplementation "org.junit.jupiter:junit-jupiter-api:$junit_version"
 }

samples/client/petstore/java/resteasy/build.sbt

@@ -19,7 +19,8 @@ lazy val root = (project in file(".")).
       "com.github.joschi.jackson" % "jackson-datatype-threetenbp" % "2.9.10" % "compile",
       "com.fasterxml.jackson.datatype" % "jackson-datatype-jsr310" % "2.9.10" % "compile",
       "jakarta.annotation" % "jakarta.annotation-api" % "1.3.5" % "compile",
-      "junit" % "junit" % "4.13" % "test",
+      "org.assertj" % "assertj-core" % "3.23.1" % "test",
+      "junit" % "junit" % "5.10.2" % "test",
       "com.novocode" % "junit-interface" % "0.10" % "test"
     )
   )

samples/client/petstore/java/resteasy/pom.xml

@@ -54,7 +54,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.12</version>
+                <version>2.22.2</version>
                 <configuration>
                     <systemPropertyVariables>
                         <property>
@@ -64,7 +64,6 @@
                     </systemPropertyVariables>
                     <argLine>-Xms512m -Xmx1500m</argLine>
                     <parallel>methods</parallel>
-                    <forkMode>pertest</forkMode>
                 </configuration>
             </plugin>
             <plugin>
@@ -240,8 +239,14 @@
         </dependency>
         <!-- test dependencies -->
         <dependency>
-            <groupId>junit</groupId>
+            <groupId>org.assertj</groupId>
-            <artifactId>junit</artifactId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj-version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
             <version>${junit-version}</version>
             <scope>test</scope>
         </dependency>
@@ -255,6 +260,7 @@
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
         <threetenbp-version>2.9.10</threetenbp-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
-        <junit-version>4.13</junit-version>
+        <assertj-version>3.23.1</assertj-version>
+        <junit-version>5.10.2</junit-version>
     </properties>
 </project>

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/api/AnotherFakeApiTest.java

@@ -15,9 +15,9 @@ package org.openapitools.client.api;
 
 import org.openapitools.client.ApiException;
 import org.openapitools.client.model.Client;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
 
 import java.time.LocalDate;
 import java.time.OffsetDateTime;

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/api/DefaultApiTest.java

@@ -15,9 +15,9 @@ package org.openapitools.client.api;
 
 import org.openapitools.client.ApiException;
 import org.openapitools.client.model.FooGetDefaultResponse;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
 
 import java.time.LocalDate;
 import java.time.OffsetDateTime;

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/api/FakeApiTest.java

@@ -27,9 +27,9 @@ import org.openapitools.client.model.OuterComposite;
 import org.openapitools.client.model.OuterObjectWithEnumProperty;
 import org.openapitools.client.model.Pet;
 import org.openapitools.client.model.User;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
 
 import java.time.LocalDate;
 import java.time.OffsetDateTime;

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/api/FakeClassnameTags123ApiTest.java

@@ -15,9 +15,9 @@ package org.openapitools.client.api;
 
 import org.openapitools.client.ApiException;
 import org.openapitools.client.model.Client;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
 
 import java.time.LocalDate;
 import java.time.OffsetDateTime;

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/api/PetApiTest.java

@@ -16,9 +16,9 @@ package org.openapitools.client.api;
 import org.openapitools.client.ApiException;
 import org.openapitools.client.model.ModelApiResponse;
 import org.openapitools.client.model.Pet;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
 
 import java.io.File;
 import java.io.FileWriter;
@@ -183,7 +183,7 @@ public class PetApiTest {
         fw.close();
         file.deleteOnExit();
         ModelApiResponse response = api.uploadFile(petId, additionalMetadata, file);
-        Assert.assertEquals((long)response.getCode(), 200);
+        Assertions.assertEquals((long)response.getCode(), 200);
     }
     /**
      * uploads an image (required)

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/api/StoreApiTest.java

@@ -15,9 +15,9 @@ package org.openapitools.client.api;
 
 import org.openapitools.client.ApiException;
 import org.openapitools.client.model.Order;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
 
 import java.time.LocalDate;
 import java.time.OffsetDateTime;

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/api/UserApiTest.java

@@ -16,9 +16,9 @@ package org.openapitools.client.api;
 import org.openapitools.client.ApiException;
 import java.time.OffsetDateTime;
 import org.openapitools.client.model.User;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
 
 import java.time.LocalDate;
 import java.time.OffsetDateTime;

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/AdditionalPropertiesClassTest.java

@@ -20,9 +20,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
 import java.util.HashMap;
 import java.util.Map;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for AdditionalPropertiesClass

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/AllOfWithSingleRefTest.java

@@ -19,9 +19,9 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
 import org.openapitools.client.model.SingleRefType;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for AllOfWithSingleRef

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/AnimalTest.java

@@ -21,9 +21,9 @@ import com.fasterxml.jackson.annotation.JsonSubTypes;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Animal

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/ArrayOfArrayOfNumberOnlyTest.java

@@ -22,9 +22,9 @@ import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for ArrayOfArrayOfNumberOnly

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/ArrayOfNumberOnlyTest.java

@@ -22,9 +22,9 @@ import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for ArrayOfNumberOnly

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/ArrayTestTest.java

@@ -22,9 +22,9 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import org.openapitools.client.model.ReadOnlyFirst;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for ArrayTest

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/CapitalizationTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Capitalization

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/CatTest.java

@@ -22,9 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
 import org.openapitools.client.model.Animal;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Cat

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/CategoryTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Category

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/ChildWithNullableTest.java

@@ -23,9 +23,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
 import org.openapitools.client.model.ParentWithNullable;
 import org.openapitools.jackson.nullable.JsonNullable;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for ChildWithNullable

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/ClassModelTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for ClassModel

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/ClientTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Client

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/DeprecatedObjectTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for DeprecatedObject

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/DogTest.java

@@ -22,9 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
 import org.openapitools.client.model.Animal;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Dog

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/EnumArraysTest.java

@@ -21,9 +21,9 @@ import com.fasterxml.jackson.annotation.JsonValue;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for EnumArrays

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/EnumClassTest.java

@@ -13,9 +13,9 @@
 
 package org.openapitools.client.model;
 
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for EnumClass

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/EnumTestTest.java

@@ -26,9 +26,9 @@ import org.openapitools.jackson.nullable.JsonNullable;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import org.openapitools.jackson.nullable.JsonNullable;
 import java.util.NoSuchElementException;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for EnumTest

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/FakeBigDecimalMap200ResponseTest.java

@@ -21,9 +21,9 @@ import com.fasterxml.jackson.annotation.JsonValue;
 import java.math.BigDecimal;
 import java.util.HashMap;
 import java.util.Map;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for FakeBigDecimalMap200Response

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/FileSchemaTestClassTest.java

@@ -22,9 +22,9 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import org.openapitools.client.model.ModelFile;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for FileSchemaTestClass

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/FooGetDefaultResponseTest.java

@@ -19,9 +19,9 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
 import org.openapitools.client.model.Foo;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for FooGetDefaultResponse

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/FooTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Foo

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/FormatTestTest.java

@@ -23,9 +23,9 @@ import java.math.BigDecimal;
 import java.time.LocalDate;
 import java.time.OffsetDateTime;
 import java.util.UUID;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for FormatTest

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/HasOnlyReadOnlyTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for HasOnlyReadOnly

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/HealthCheckResultTest.java

@@ -22,9 +22,9 @@ import org.openapitools.jackson.nullable.JsonNullable;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import org.openapitools.jackson.nullable.JsonNullable;
 import java.util.NoSuchElementException;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for HealthCheckResult

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/MapTestTest.java

@@ -20,9 +20,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
 import java.util.HashMap;
 import java.util.Map;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for MapTest

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/MixedPropertiesAndAdditionalPropertiesClassTest.java

@@ -23,9 +23,9 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.UUID;
 import org.openapitools.client.model.Animal;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for MixedPropertiesAndAdditionalPropertiesClass

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/Model200ResponseTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Model200Response

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/ModelApiResponseTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for ModelApiResponse

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/ModelFileTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for ModelFile

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/ModelListTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for ModelList

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/ModelReturnTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for ModelReturn

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/NameTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Name

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/NullableClassTest.java

@@ -30,9 +30,9 @@ import org.openapitools.jackson.nullable.JsonNullable;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import org.openapitools.jackson.nullable.JsonNullable;
 import java.util.NoSuchElementException;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for NullableClass

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/NumberOnlyTest.java

@@ -19,9 +19,9 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
 import java.math.BigDecimal;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for NumberOnly

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/ObjectWithDeprecatedFieldsTest.java

@@ -23,9 +23,9 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import org.openapitools.client.model.DeprecatedObject;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for ObjectWithDeprecatedFields

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/OrderTest.java

@@ -19,9 +19,9 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
 import java.time.OffsetDateTime;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Order

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/OuterCompositeTest.java

@@ -19,9 +19,9 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
 import java.math.BigDecimal;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for OuterComposite

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/OuterEnumDefaultValueTest.java

@@ -13,9 +13,9 @@
 
 package org.openapitools.client.model;
 
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for OuterEnumDefaultValue

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/OuterEnumIntegerDefaultValueTest.java

@@ -13,9 +13,9 @@
 
 package org.openapitools.client.model;
 
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for OuterEnumIntegerDefaultValue

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/OuterEnumIntegerTest.java

@@ -13,9 +13,9 @@
 
 package org.openapitools.client.model;
 
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for OuterEnumInteger

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/OuterEnumTest.java

@@ -13,9 +13,9 @@
 
 package org.openapitools.client.model;
 
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for OuterEnum

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/OuterObjectWithEnumPropertyTest.java

@@ -19,9 +19,9 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
 import org.openapitools.client.model.OuterEnumInteger;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for OuterObjectWithEnumProperty

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/ParentWithNullableTest.java

@@ -25,9 +25,9 @@ import org.openapitools.jackson.nullable.JsonNullable;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import org.openapitools.jackson.nullable.JsonNullable;
 import java.util.NoSuchElementException;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for ParentWithNullable

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/PetTest.java

@@ -26,9 +26,9 @@ import java.util.List;
 import java.util.Set;
 import org.openapitools.client.model.Category;
 import org.openapitools.client.model.Tag;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Pet

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/ReadOnlyFirstTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for ReadOnlyFirst

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/SingleRefTypeTest.java

@@ -13,9 +13,9 @@
 
 package org.openapitools.client.model;
 
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for SingleRefType

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/SpecialModelNameTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for SpecialModelName

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/TagTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for Tag

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/TestInlineFreeformAdditionalPropertiesRequestTest.java

@@ -20,9 +20,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
 import java.util.HashMap;
 import java.util.Map;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for TestInlineFreeformAdditionalPropertiesRequest

samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/model/UserTest.java

@@ -18,9 +18,9 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.junit.Assert;
+import org.junit.jupiter.api.Assertions;
-import org.junit.Ignore;
+import org.junit.jupiter.api.Disabled;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Model tests for User

samples/server/petstore/jaxrs-resteasy/default/pom.xml

@@ -153,8 +153,8 @@ for this project used jakarta.validation-api -->
             </exclusions>
         </dependency>
         <dependency>
-            <groupId>junit</groupId>
+            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit</artifactId>
+            <artifactId>junit-jupiter-api</artifactId>
             <version>${junit-version}</version>
             <scope>test</scope>
         </dependency>
@@ -165,8 +165,8 @@ for this project used jakarta.validation-api -->
             <scope>test</scope>
             <exclusions>
                 <exclusion>
-                    <artifactId>junit</artifactId>
+                    <artifactId>junit-jupiter-api</artifactId>
-                    <groupId>junit</groupId>
+                    <groupId>org.junit.jupiter</groupId>
                 </exclusion>
                 <exclusion>
                     <artifactId>snakeyaml</artifactId>
@@ -207,7 +207,7 @@ for this project used jakarta.validation-api -->
         <jetty-version>9.2.9.v20150224</jetty-version>
         <resteasy-version>3.13.0.Final</resteasy-version>
         <slf4j-version>1.6.3</slf4j-version>
-        <junit-version>4.13.2</junit-version>
+        <junit-version>5.10.2</junit-version>
         <servlet-api-version>4.0.4</servlet-api-version>
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
         <beanvalidation-version>2.0.2</beanvalidation-version>

samples/server/petstore/jaxrs-resteasy/eap-java8/pom.xml

@@ -131,8 +131,8 @@ for this project used jakarta.validation-api -->
             </exclusions>
         </dependency>
         <dependency>
-            <groupId>junit</groupId>
+            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit</artifactId>
+            <artifactId>junit-jupiter-api</artifactId>
             <version>${junit-version}</version>
             <scope>test</scope>
         </dependency>
@@ -143,8 +143,8 @@ for this project used jakarta.validation-api -->
             <scope>test</scope>
             <exclusions>
                 <exclusion>
-                    <artifactId>junit</artifactId>
+                    <artifactId>junit-jupiter-api</artifactId>
-                    <groupId>junit</groupId>
+                    <groupId>org.junit.jupiter</groupId>
                 </exclusion>
                 <exclusion>
                     <artifactId>snakeyaml</artifactId>
@@ -189,7 +189,7 @@ for this project used jakarta.validation-api -->
         <jetty-version>9.2.9.v20150224</jetty-version>
         <resteasy-version>3.0.11.Final</resteasy-version>
         <slf4j-version>1.6.3</slf4j-version>
-        <junit-version>4.13.2</junit-version>
+        <junit-version>5.10.2</junit-version>
         <servlet-api-version>4.0.4</servlet-api-version>
         <beanvalidation-version>2.0.2</beanvalidation-version>
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>

samples/server/petstore/jaxrs-resteasy/eap-joda/pom.xml

@@ -131,8 +131,8 @@ for this project used jakarta.validation-api -->
             </exclusions>
         </dependency>
         <dependency>
-            <groupId>junit</groupId>
+            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit</artifactId>
+            <artifactId>junit-jupiter-api</artifactId>
             <version>${junit-version}</version>
             <scope>test</scope>
         </dependency>
@@ -143,8 +143,8 @@ for this project used jakarta.validation-api -->
             <scope>test</scope>
             <exclusions>
                 <exclusion>
-                    <artifactId>junit</artifactId>
+                    <artifactId>junit-jupiter-api</artifactId>
-                    <groupId>junit</groupId>
+                    <groupId>org.junit.jupiter</groupId>
                 </exclusion>
                 <exclusion>
                     <artifactId>snakeyaml</artifactId>
@@ -189,7 +189,7 @@ for this project used jakarta.validation-api -->
         <jetty-version>9.2.9.v20150224</jetty-version>
         <resteasy-version>3.0.11.Final</resteasy-version>
         <slf4j-version>1.6.3</slf4j-version>
-        <junit-version>4.13.2</junit-version>
+        <junit-version>5.10.2</junit-version>
         <servlet-api-version>4.0.4</servlet-api-version>
         <beanvalidation-version>2.0.2</beanvalidation-version>
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>

samples/server/petstore/jaxrs-resteasy/eap/pom.xml

@@ -131,8 +131,8 @@ for this project used jakarta.validation-api -->
             </exclusions>
         </dependency>
         <dependency>
-            <groupId>junit</groupId>
+            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit</artifactId>
+            <artifactId>junit-jupiter-api</artifactId>
             <version>${junit-version}</version>
             <scope>test</scope>
         </dependency>
@@ -143,8 +143,8 @@ for this project used jakarta.validation-api -->
             <scope>test</scope>
             <exclusions>
                 <exclusion>
-                    <artifactId>junit</artifactId>
+                    <artifactId>junit-jupiter-api</artifactId>
-                    <groupId>junit</groupId>
+                    <groupId>org.junit.jupiter</groupId>
                 </exclusion>
                 <exclusion>
                     <artifactId>snakeyaml</artifactId>
@@ -189,7 +189,7 @@ for this project used jakarta.validation-api -->
         <jetty-version>9.2.9.v20150224</jetty-version>
         <resteasy-version>3.0.11.Final</resteasy-version>
         <slf4j-version>1.6.3</slf4j-version>
-        <junit-version>4.13.2</junit-version>
+        <junit-version>5.10.2</junit-version>
         <servlet-api-version>4.0.4</servlet-api-version>
         <beanvalidation-version>2.0.2</beanvalidation-version>
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>

samples/server/petstore/jaxrs-resteasy/java8/pom.xml

@@ -153,8 +153,8 @@ for this project used jakarta.validation-api -->
             </exclusions>
         </dependency>
         <dependency>
-            <groupId>junit</groupId>
+            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit</artifactId>
+            <artifactId>junit-jupiter-api</artifactId>
             <version>${junit-version}</version>
             <scope>test</scope>
         </dependency>
@@ -165,8 +165,8 @@ for this project used jakarta.validation-api -->
             <scope>test</scope>
             <exclusions>
                 <exclusion>
-                    <artifactId>junit</artifactId>
+                    <artifactId>junit-jupiter-api</artifactId>
-                    <groupId>junit</groupId>
+                    <groupId>org.junit.jupiter</groupId>
                 </exclusion>
                 <exclusion>
                     <artifactId>snakeyaml</artifactId>
@@ -207,7 +207,7 @@ for this project used jakarta.validation-api -->
         <jetty-version>9.2.9.v20150224</jetty-version>
         <resteasy-version>3.13.0.Final</resteasy-version>
         <slf4j-version>1.6.3</slf4j-version>
-        <junit-version>4.13.2</junit-version>
+        <junit-version>5.10.2</junit-version>
         <servlet-api-version>4.0.4</servlet-api-version>
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
         <beanvalidation-version>2.0.2</beanvalidation-version>

samples/server/petstore/jaxrs-resteasy/joda/pom.xml

@@ -153,8 +153,8 @@ for this project used jakarta.validation-api -->
             </exclusions>
         </dependency>
         <dependency>
-            <groupId>junit</groupId>
+            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit</artifactId>
+            <artifactId>junit-jupiter-api</artifactId>
             <version>${junit-version}</version>
             <scope>test</scope>
         </dependency>
@@ -165,8 +165,8 @@ for this project used jakarta.validation-api -->
             <scope>test</scope>
             <exclusions>
                 <exclusion>
-                    <artifactId>junit</artifactId>
+                    <artifactId>junit-jupiter-api</artifactId>
-                    <groupId>junit</groupId>
+                    <groupId>org.junit.jupiter</groupId>
                 </exclusion>
                 <exclusion>
                     <artifactId>snakeyaml</artifactId>
@@ -207,7 +207,7 @@ for this project used jakarta.validation-api -->
         <jetty-version>9.2.9.v20150224</jetty-version>
         <resteasy-version>3.13.0.Final</resteasy-version>
         <slf4j-version>1.6.3</slf4j-version>
-        <junit-version>4.13.2</junit-version>
+        <junit-version>5.10.2</junit-version>
         <servlet-api-version>4.0.4</servlet-api-version>
         <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
         <beanvalidation-version>2.0.2</beanvalidation-version>