[JSTEP-10] Migrate all tests to JUnit 5

jakarta-jsonp/src/test/java/com/fasterxml/jackson/datatype/jsonp/DeserViaCreatorTest.java

@@ -2,10 +2,14 @@
 
 import jakarta.json.JsonObject;
 
+import org.junit.jupiter.api.Test;
+
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
+import static org.junit.jupiter.api.Assertions.*;
+
 public class DeserViaCreatorTest extends TestBase
 {
     static class Pojo {
@@ -19,6 +23,7 @@ public Pojo(@JsonProperty("s") String s, @JsonProperty("o") JsonObject o) {
         }
     }
 
+    @Test
     public void testCreatorDeser() throws Exception
     {
         final ObjectMapper mapper = sharedMapper();

jakarta-jsonp/src/test/java/com/fasterxml/jackson/datatype/jsonp/JsonMergePatchDeserializationTest.java

@@ -9,75 +9,81 @@
 import jakarta.json.JsonValue;
 import java.util.Objects;
 
-import static org.hamcrest.CoreMatchers.instanceOf;
-import static org.hamcrest.CoreMatchers.is;
-import static org.hamcrest.MatcherAssert.assertThat;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+import static org.junit.jupiter.api.Assertions.*;
 
 public class JsonMergePatchDeserializationTest extends TestBase {
 
     private static final ObjectMapper MAPPER = newMapper();
 
+    @Test
     public void testObjectDeserializationAndPatching() throws Exception {
         final String json = "{" +
                 "\"name\":\"Json\"" +
                 "}";
 
         final JsonMergePatch jsonMergePatch = MAPPER.readValue(json, JsonMergePatch.class);
         final JsonValue jsonPatchAsJsonValue = jsonMergePatch.toJsonValue();
-        assertThat(jsonPatchAsJsonValue, instanceOf(JsonObject.class));
+        assertInstanceOf(JsonObject.class, jsonPatchAsJsonValue);
 
         final JsonObject jsonPatchAsJsonObject = jsonPatchAsJsonValue.asJsonObject();
         assertTrue(jsonPatchAsJsonObject.containsKey("name"));
-        assertThat(jsonPatchAsJsonObject.get("name"), instanceOf(JsonString.class));
-        assertThat(jsonPatchAsJsonObject.getString("name"), is("Json"));
+        assertInstanceOf(JsonString.class, jsonPatchAsJsonObject.get("name"));
+        assertEquals("Json", jsonPatchAsJsonObject.getString("name"));
+
 
-        assertThat(serializeAsString(jsonPatchAsJsonValue), is(json));
+        assertEquals(json, serializeAsString(jsonPatchAsJsonValue));
 
         final Person person = new Person("John", "Smith");
         final JsonValue personJson = MAPPER.convertValue(person, JsonValue.class);
         final JsonValue patchedPersonJson = jsonMergePatch.apply(personJson);
         final Person patchedPerson = MAPPER.convertValue(patchedPersonJson, Person.class);
-        assertThat(patchedPerson, is(new Person("Json", "Smith")));
+        assertEquals(new Person("Json", "Smith"), patchedPerson);
     }
 
+    @Test
     public void testArrayDeserializationAndPatching() throws Exception {
         final String json = "[" +
             "\"name\",\"Json\"" +
             "]";
 
         final JsonMergePatch jsonMergePatch = MAPPER.readValue(json, JsonMergePatch.class);
         final JsonValue jsonPatchAsJsonValue = jsonMergePatch.toJsonValue();
-        assertThat(jsonPatchAsJsonValue, instanceOf(JsonArray.class));
+        assertThat(jsonPatchAsJsonValue).isInstanceOf(JsonArray.class);
+
 
         final JsonArray jsonPatchAsJsonArray = jsonPatchAsJsonValue.asJsonArray();
-        assertThat(jsonPatchAsJsonArray.size(), is(2));
-        assertThat(jsonPatchAsJsonArray.get(0), instanceOf(JsonString.class));
-        assertThat(((JsonString)jsonPatchAsJsonArray.get(0)).getString(), is("name"));
-        assertThat(jsonPatchAsJsonArray.get(1), instanceOf(JsonString.class));
-        assertThat(((JsonString)jsonPatchAsJsonArray.get(1)).getString(), is("Json"));
+        assertThat(jsonPatchAsJsonArray.size()).isEqualTo(2);
+        assertThat(jsonPatchAsJsonArray.get(0)).isInstanceOf(JsonString.class);
+        assertThat(((JsonString) jsonPatchAsJsonArray.get(0)).getString()).isEqualTo("name");
+        assertThat(jsonPatchAsJsonArray.get(1)).isInstanceOf(JsonString.class);
+        assertThat(((JsonString) jsonPatchAsJsonArray.get(1)).getString()).isEqualTo("Json");
 
-        assertThat(serializeAsString(jsonPatchAsJsonValue), is(json));
+        assertThat(serializeAsString(jsonPatchAsJsonValue)).isEqualTo(json);
 
         final Person person = new Person("John", "Smith");
         final JsonValue personJson = MAPPER.convertValue(person, JsonValue.class);
         final JsonValue patchedPersonJson = jsonMergePatch.apply(personJson);
-        assertThat(patchedPersonJson, instanceOf(JsonArray.class));
+        assertThat(patchedPersonJson).isInstanceOf(JsonArray.class);
     }
 
+    @Test
     public void testScalarDeserializationAndPatching() throws Exception {
         final String json = "\"name\"";
 
         final JsonMergePatch jsonMergePatch = MAPPER.readValue(json, JsonMergePatch.class);
         final JsonValue jsonPatchAsJsonValue = jsonMergePatch.toJsonValue();
-        assertThat(jsonPatchAsJsonValue, instanceOf(JsonString.class));
+        assertThat(jsonPatchAsJsonValue).isInstanceOf(JsonString.class);
 
-        assertThat(serializeAsString(jsonPatchAsJsonValue), is(json));
+        assertThat(serializeAsString(jsonPatchAsJsonValue)).isEqualTo(json);
 
         final Person person = new Person("John", "Smith");
         final JsonValue personJson = MAPPER.convertValue(person, JsonValue.class);
         final JsonValue patchedPersonJson = jsonMergePatch.apply(personJson);
-        assertThat(patchedPersonJson, instanceOf(JsonString.class));
-        assertThat(((JsonString)patchedPersonJson).getString(), is("name"));
+        assertThat(patchedPersonJson).isInstanceOf(JsonString.class);
+        assertThat(((JsonString) patchedPersonJson).getString()).isEqualTo("name");
     }
 
     static class Person {

jakarta-jsonp/src/test/java/com/fasterxml/jackson/datatype/jsonp/JsonMergePatchSerializationTest.java

@@ -4,10 +4,15 @@
 
 import jakarta.json.JsonMergePatch;
 
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
 public class JsonMergePatchSerializationTest extends TestBase
 {
     private static final ObjectMapper MAPPER = newMapper();
 
+    @Test
     public void testSimpleSerialization() throws Exception
     {
         // First need a patch so deserialization must work

jakarta-jsonp/src/test/java/com/fasterxml/jackson/datatype/jsonp/JsonPatchDeserializationTest.java

@@ -6,14 +6,16 @@
 
 import java.util.Objects;
 
-import static org.hamcrest.CoreMatchers.instanceOf;
-import static org.hamcrest.CoreMatchers.is;
-import static org.hamcrest.MatcherAssert.assertThat;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+import static org.junit.jupiter.api.Assertions.*;
 
 public class JsonPatchDeserializationTest extends TestBase {
 
     private static final ObjectMapper MAPPER = newMapper();
 
+    @Test
     public void testDeserializationAndPatching() throws Exception {
         final String json = "[" +
                 "{" +
@@ -25,28 +27,28 @@ public void testDeserializationAndPatching() throws Exception {
 
         final JsonPatch jsonPatch = MAPPER.readValue(json, JsonPatch.class);
         final JsonArray jsonPatchAsJsonArray = jsonPatch.toJsonArray();
-        assertThat(jsonPatchAsJsonArray.get(0), instanceOf(JsonObject.class));
+        assertThat(jsonPatchAsJsonArray.get(0)).isInstanceOf(JsonObject.class);
 
         final JsonObject firstOperation = jsonPatchAsJsonArray.get(0).asJsonObject();
         assertTrue(firstOperation.containsKey("op"));
-        assertThat(firstOperation.get("op"), instanceOf(JsonString.class));
-        assertThat(firstOperation.getString("op"), is("replace"));
+        assertThat(firstOperation.get("op")).isInstanceOf(JsonString.class);
+        assertThat(firstOperation.getString("op")).isEqualTo("replace");
 
         assertTrue(firstOperation.containsKey("path"));
-        assertThat(firstOperation.get("path"), instanceOf(JsonString.class));
-        assertThat(firstOperation.getString("path"), is("/name"));
+        assertThat(firstOperation.get("path")).isInstanceOf(JsonString.class);
+        assertThat(firstOperation.getString("path")).isEqualTo("/name");
 
         assertTrue(firstOperation.containsKey("value"));
-        assertThat(firstOperation.get("value"), instanceOf(JsonString.class));
-        assertThat(firstOperation.getString("value"), is("Json"));
+        assertThat(firstOperation.get("value")).isInstanceOf(JsonString.class);
+        assertThat(firstOperation.getString("value")).isEqualTo("Json");
 
-        assertThat(serializeAsString(jsonPatchAsJsonArray), is(json));
+        assertThat(serializeAsString(jsonPatchAsJsonArray)).isEqualTo(json);
 
         final Person person = new Person("John", "Smith");
         final JsonStructure personJson = MAPPER.convertValue(person, JsonStructure.class);
         final JsonStructure patchedPersonJson = jsonPatch.apply(personJson);
         final Person patchedPerson = MAPPER.convertValue(patchedPersonJson, Person.class);
-        assertThat(patchedPerson, is(new Person("Json", "Smith")));
+        assertThat(patchedPerson).isEqualTo(new Person("Json", "Smith"));
     }
 
     static class Person {

jakarta-jsonp/src/test/java/com/fasterxml/jackson/datatype/jsonp/JsonPatchSerializationTest.java

@@ -4,10 +4,15 @@
 
 import jakarta.json.JsonPatch;
 
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
 public class JsonPatchSerializationTest extends TestBase
 {
     private static final ObjectMapper MAPPER = newMapper();
 
+    @Test
     public void testSimpleSerialization() throws Exception
     {
         // First need a patch so deserialization must work

jakarta-jsonp/src/test/java/com/fasterxml/jackson/datatype/jsonp/JsonValueDeserializationTest.java

@@ -3,12 +3,16 @@
 import jakarta.json.*;
 import jakarta.json.JsonValue.ValueType;
 
+import org.junit.jupiter.api.Test;
+
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 
 import java.beans.ConstructorProperties;
 import java.math.BigDecimal;
 
+import static org.junit.jupiter.api.Assertions.*;
+
 public class JsonValueDeserializationTest extends TestBase
 {
     static class ObjectImpl {
@@ -24,6 +28,7 @@ public ObjectImpl(JsonValue obj1, JsonValue obj2) {
 
     private final ObjectMapper MAPPER = newMapper();
 
+    @Test
     public void testSimpleArray() throws Exception
     {
         final String JSON = "[1,true,\"foo\"]";
@@ -43,6 +48,7 @@ public void testSimpleArray() throws Exception
         assertEquals(JSON, serializeAsString(v));
     }
 
+    @Test
     public void testNestedArray() throws Exception
     {
         final String JSON = "[1,[false,45],{\"foo\":13}]";
@@ -58,6 +64,7 @@ public void testNestedArray() throws Exception
         assertEquals(JSON, serializeAsString(v));
     }
 
+    @Test
     public void testSimpleObject() throws Exception
     {
         final String JSON = "{\"a\":12.5,\"b\":\"Text\"}";
@@ -79,6 +86,7 @@ public void testSimpleObject() throws Exception
         assertEquals(JSON, serializeAsString(v));
     }
 
+    @Test
     public void testNestedObject() throws Exception
     {
         final String JSON = "{\"array\":[1,2],\"obj\":{\"first\":true}}";
@@ -101,6 +109,7 @@ public void testNestedObject() throws Exception
     }
 
     // for [datatype-jsr353#5]
+    @Test
     public void testBinaryNode() throws Exception
     {
         ObjectNode root = MAPPER.createObjectNode();
@@ -116,6 +125,7 @@ public void testBinaryNode() throws Exception
     }
 
     // for [datatype-jsr353#16]
+    @Test
     public void testNullNode() throws Exception
     {
         final String serializedNull = MAPPER.writeValueAsString(JsonValue.NULL);
@@ -125,6 +135,7 @@ public void testNullNode() throws Exception
     }
 
     // for [datatype-jsr353#19]
+    @Test
     public void testConstructorProperties() throws Exception
     {
         ObjectImpl ob = MAPPER.readValue("{\"obj1\":{}}", ObjectImpl.class);
@@ -136,6 +147,7 @@ public void testConstructorProperties() throws Exception
         assertSame(JsonValue.NULL, ob2.obj2);
     }
 
+    @Test
     public void testBigInteger() throws Exception
     {
         final String JSON = "[2e308]";

jakarta-jsonp/src/test/java/com/fasterxml/jackson/datatype/jsonp/JsonValueSerializationTest.java

@@ -4,8 +4,13 @@
 
 import jakarta.json.*;
 
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
 public class JsonValueSerializationTest extends TestBase
 {
+    @Test
     public void testSimpleArray() throws Exception
     {
         JsonArray arr = arrayBuilder()
@@ -17,6 +22,7 @@ public void testSimpleArray() throws Exception
         assertEquals("[true,null,123,15.25]", serializeAsString(arr));
     }
 
+    @Test
     public void testNestedArray() throws Exception
     {
         JsonArray arr = arrayBuilder()
@@ -27,6 +33,7 @@ public void testNestedArray() throws Exception
         assertEquals("[1,[false,45],{\"foo\":13}]", serializeAsString(arr));
     }
 
+    @Test
     public void testSimpleObject() throws Exception
     {
         JsonObject ob = objectBuilder()
@@ -37,6 +44,7 @@ public void testSimpleObject() throws Exception
         assertEquals("{\"a\":123,\"b\":\"Text\"}", serializeAsString(ob));
     }
 
+    @Test
     public void testNestedObject() throws Exception
     {
         JsonObject ob = objectBuilder()

jakarta-jsonp/src/test/java/com/fasterxml/jackson/datatype/jsonp/PolymorphicTest.java

@@ -2,9 +2,13 @@
 
 import jakarta.json.*;
 
+import org.junit.jupiter.api.Test;
+
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
+import static org.junit.jupiter.api.Assertions.*;
+
 public class PolymorphicTest extends TestBase
 {
     static class Wrapper {
@@ -19,6 +23,7 @@ public Wrapper() { }
             .polymorphicTypeValidator(new NoCheckSubTypeValidator())
             .build();
 
+    @Test
     public void testObjectAsTyped() throws Exception
     {
         final String INPUT = "{\"array\":[1,2],\"obj\":{\"first\":true}}";
@@ -36,6 +41,7 @@ public void testObjectAsTyped() throws Exception
         assertEquals(1, arr.getInt(0));
     }
 
+    @Test
     public void testArrayAsTyped() throws Exception
     {
         final String INPUT = "[1,{\"a\":true}]";

jakarta-jsonp/src/test/java/com/fasterxml/jackson/datatype/jsonp/TestBase.java

@@ -9,7 +9,7 @@
 import com.fasterxml.jackson.databind.json.JsonMapper;
 import com.fasterxml.jackson.databind.jsontype.PolymorphicTypeValidator;
 
-public abstract class TestBase extends junit.framework.TestCase
+public abstract class TestBase
 {
     static class NoCheckSubTypeValidator
         extends PolymorphicTypeValidator.Base

jakarta-jsonp/src/test/java/com/fasterxml/jackson/datatype/jsonp/TestVersions.java

@@ -5,8 +5,13 @@
 import com.fasterxml.jackson.core.Version;
 import com.fasterxml.jackson.core.Versioned;
 
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
 public class TestVersions extends TestBase
 {
+    @Test
     public void testModuleVersionAndName() throws IOException
     {
         JSONPModule module = new JSONPModule();