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This commit is contained in:
Ganesh Pagade
2019-03-09 14:59:08 +05:30
parent b1834b6d96
commit 02fd91ad35
2 changed files with 51 additions and 25 deletions
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gson/src/test/java/org/baeldung/gson/advance/GsonAdvanceUnitTest.java
+23 -17
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@@ -8,6 +8,7 @@ import com.google.gson.GsonBuilder;
import com.google.gson.reflect.TypeToken;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.baeldung.gson.entities.Animal;
import org.baeldung.gson.entities.Cow;
@@ -18,40 +19,42 @@ import org.junit.Test;
public class GsonAdvanceUnitTest {
@Test public void givenListOfMyClass_whenSerializing_thenCorrect() {
List<MyClass> list = new ArrayList<>();
list.add(new MyClass());
list.add(new MyClass());
@Test
public void givenListOfMyClass_whenSerializing_thenCorrect() {
List<MyClass> list = Arrays.asList(new MyClass(1, "name1"), new MyClass(2, "name2"));
Gson gson = new Gson();
String jsonString = gson.toJson(list);
String expectedString = "[{\"id\":1,\"strings\":[\"a\",\"b\"]},{\"id\":1,\"strings\":[\"a\",\"b\"]}]";
String expectedString = "[{\"id\":1,\"name\":\"name1\"},{\"id\":2,\"name\":\"name2\"}]";
assertEquals(expectedString, jsonString);
}
@Test(expected = ClassCastException.class)
public void givenJsonString_whenIncorrectDeserializing_thenThrowClassCastException() {
String inputString = "[{\"id\":1,\"strings\":[\"a\",\"b\"]},{\"id\":1,\"strings\":[\"a\",\"b\"]}]";
String inputString = "[{\"id\":1,\"name\":\"name1\"},{\"id\":2,\"name\":\"name2\"}]";
Gson gson = new Gson();
List<MyClass> list = gson.fromJson(inputString, ArrayList.class);
List<MyClass> outputList = gson.fromJson(inputString, ArrayList.class);
assertEquals(1, list.get(0).getId());
assertEquals(1, outputList.get(0).getId());
}
@Test public void givenJsonString_whenDeserializing_thenReturnListOfMyClass() {
String inputString = "[{\"id\":1,\"strings\":[\"a\",\"b\"]},{\"id\":1,\"strings\":[\"a\",\"b\"]}]";
@Test
public void givenJsonString_whenDeserializing_thenReturnListOfMyClass() {
String inputString = "[{\"id\":1,\"name\":\"name1\"},{\"id\":2,\"name\":\"name2\"}]";
List<MyClass> inputList = Arrays.asList(new MyClass(1, "name1"), new MyClass(2, "name2"));
Type listOfMyClassObject = new TypeToken<ArrayList<MyClass>>() {}.getType();
Gson gson = new Gson();
List<MyClass> list = gson.fromJson(inputString, listOfMyClassObject);
List<MyClass> outputList = gson.fromJson(inputString, listOfMyClassObject);
assertEquals(2, list.size());
assertEquals(1, list.get(0).getId());
assertEquals(inputList, outputList);
}
@Test public void givenPolymorphicList_whenSerializeWithTypeAdapter_thenCorrect() {
@Test
public void givenPolymorphicList_whenSerializeWithTypeAdapter_thenCorrect() {
String expectedString = "[{\"petName\":\"Milo\",\"type\":\"Dog\"},{\"breed\":\"Jersey\",\"type\":\"Cow\"}]";
List<Animal> inList = new ArrayList<>();
@@ -63,7 +66,8 @@ public class GsonAdvanceUnitTest {
assertEquals(expectedString, jsonString);
}
@Test public void givenPolymorphicList_whenDeserializeWithTypeAdapter_thenCorrect() {
@Test
public void givenPolymorphicList_whenDeserializeWithTypeAdapter_thenCorrect() {
String inputString = "[{\"petName\":\"Milo\",\"type\":\"Dog\"},{\"breed\":\"Jersey\",\"type\":\"Cow\"}]";
AnimalDeserializer deserializer = new AnimalDeserializer("type");
@@ -79,7 +83,8 @@ public class GsonAdvanceUnitTest {
assertTrue(outList.get(0) instanceof Dog);
}
@Test public void givenPolymorphicList_whenSerializeWithRuntimeTypeAdapter_thenCorrect() {
@Test
public void givenPolymorphicList_whenSerializeWithRuntimeTypeAdapter_thenCorrect() {
String expectedString = "[{\"petName\":\"Milo\",\"type\":\"Dog\"},{\"breed\":\"Jersey\",\"type\":\"Cow\"}]";
List<Animal> inList = new ArrayList<>();
@@ -90,7 +95,8 @@ public class GsonAdvanceUnitTest {
assertEquals(expectedString, jsonString);
}
@Test public void givenPolymorphicList_whenDeserializeWithRuntimeTypeAdapter_thenCorrect() {
@Test
public void givenPolymorphicList_whenDeserializeWithRuntimeTypeAdapter_thenCorrect() {
String inputString = "[{\"petName\":\"Milo\",\"type\":\"Dog\"},{\"breed\":\"Jersey\",\"type\":\"Cow\"}]";
Type listOfAnimals = new TypeToken<ArrayList<Animal>>() {}.getType();