Merge branch 'tests' into 'dev'

Imported tests from Google

See merge request sa4-2020/the-sanmarinoes/backend!198
This commit is contained in:
Claudio Maggioni 2020-05-27 09:48:52 +02:00
commit c48d610621
2 changed files with 235 additions and 0 deletions

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@ -194,6 +194,17 @@ public final class RuntimeTypeAdapterFactory<T> implements TypeAdapterFactory {
return this;
}
/**
* Registers {@code type} identified by {@code label}. Labels are case sensitive.
*
* @throws IllegalArgumentException if either {@code type} or {@code label} have already been
* registered on this type adapter.
*/
public RuntimeTypeAdapterFactory<T> registerSubtype(Class<? extends T> type) {
registerSubtype(type, type.getSimpleName());
return this;
}
private void initMaps(
Gson gson,
Map<String, TypeAdapter<?>> labelToDelegate,

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@ -0,0 +1,224 @@
package ch.usi.inf.sa4.sanmarinoes.smarthut.config;
import static org.junit.jupiter.api.Assertions.*;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonParseException;
import com.google.gson.TypeAdapterFactory;
import org.junit.jupiter.api.Test;
/**
* Copyright (C) 2011 Google Inc.
*
* <p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of the License at
*
* <p>http://www.apache.org/licenses/LICENSE-2.0
*
* <p>Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing permissions and
* limitations under the License.
*/
public final class RuntimeTypeAdapterFactoryTests {
@Test
public void testRuntimeTypeAdapter() {
RuntimeTypeAdapterFactory<BillingInstrument> rta =
RuntimeTypeAdapterFactory.of(BillingInstrument.class)
.registerSubtype(CreditCard.class);
Gson gson = new GsonBuilder().registerTypeAdapterFactory(rta).create();
CreditCard original = new CreditCard("Jesse", 234);
assertEquals(
"{\"type\":\"CreditCard\",\"cvv\":234,\"ownerName\":\"Jesse\"}",
gson.toJson(original, BillingInstrument.class));
BillingInstrument deserialized =
gson.fromJson(
"{type:'CreditCard',cvv:234,ownerName:'Jesse'}", BillingInstrument.class);
assertEquals("Jesse", deserialized.ownerName);
assertTrue(deserialized instanceof CreditCard);
}
@Test
public void testRuntimeTypeIsBaseType() {
TypeAdapterFactory rta =
RuntimeTypeAdapterFactory.of(BillingInstrument.class, "type", false)
.registerSubtype(BillingInstrument.class);
Gson gson = new GsonBuilder().registerTypeAdapterFactory(rta).create();
BillingInstrument original = new BillingInstrument("Jesse");
assertEquals(
"{\"type\":\"BillingInstrument\",\"ownerName\":\"Jesse\"}",
gson.toJson(original, BillingInstrument.class));
BillingInstrument deserialized =
gson.fromJson(
"{type:'BillingInstrument',ownerName:'Jesse'}", BillingInstrument.class);
assertEquals("Jesse", deserialized.ownerName);
}
@Test
public void testNullBaseType() {
try {
RuntimeTypeAdapterFactory.of(null);
fail();
} catch (NullPointerException expected) {
}
}
@Test
public void testNullTypeFieldName() {
try {
RuntimeTypeAdapterFactory.of(BillingInstrument.class, null);
fail();
} catch (NullPointerException expected) {
}
}
@Test
public void testNullSubtype() {
RuntimeTypeAdapterFactory<BillingInstrument> rta =
RuntimeTypeAdapterFactory.of(BillingInstrument.class);
try {
rta.registerSubtype(null);
fail();
} catch (NullPointerException expected) {
}
}
@Test
public void testNullLabel() {
RuntimeTypeAdapterFactory<BillingInstrument> rta =
RuntimeTypeAdapterFactory.of(BillingInstrument.class);
try {
rta.registerSubtype(CreditCard.class, null);
fail();
} catch (NullPointerException expected) {
}
}
@Test
public void testDuplicateSubtype() {
RuntimeTypeAdapterFactory<BillingInstrument> rta =
RuntimeTypeAdapterFactory.of(BillingInstrument.class);
rta.registerSubtype(CreditCard.class, "CC");
try {
rta.registerSubtype(CreditCard.class, "Visa");
fail();
} catch (IllegalArgumentException expected) {
}
}
@Test
public void testDuplicateLabel() {
RuntimeTypeAdapterFactory<BillingInstrument> rta =
RuntimeTypeAdapterFactory.of(BillingInstrument.class);
rta.registerSubtype(CreditCard.class, "CC");
try {
rta.registerSubtype(BankTransfer.class, "CC");
fail();
} catch (IllegalArgumentException expected) {
}
}
@Test
public void testDeserializeMissingTypeField() {
TypeAdapterFactory billingAdapter =
RuntimeTypeAdapterFactory.of(BillingInstrument.class)
.registerSubtype(CreditCard.class);
Gson gson = new GsonBuilder().registerTypeAdapterFactory(billingAdapter).create();
try {
gson.fromJson("{ownerName:'Jesse'}", BillingInstrument.class);
fail();
} catch (JsonParseException expected) {
}
}
@Test
public void testDeserializeMissingSubtype() {
TypeAdapterFactory billingAdapter =
RuntimeTypeAdapterFactory.of(BillingInstrument.class)
.registerSubtype(BankTransfer.class);
Gson gson = new GsonBuilder().registerTypeAdapterFactory(billingAdapter).create();
try {
gson.fromJson("{type:'CreditCard',ownerName:'Jesse'}", BillingInstrument.class);
fail();
} catch (JsonParseException expected) {
}
}
@Test
public void testSerializeMissingSubtype() {
TypeAdapterFactory billingAdapter =
RuntimeTypeAdapterFactory.of(BillingInstrument.class)
.registerSubtype(BankTransfer.class);
Gson gson = new GsonBuilder().registerTypeAdapterFactory(billingAdapter).create();
try {
gson.toJson(new CreditCard("Jesse", 456), BillingInstrument.class);
fail();
} catch (JsonParseException expected) {
}
}
@Test
public void testSerializeCollidingTypeFieldName() {
TypeAdapterFactory billingAdapter =
RuntimeTypeAdapterFactory.of(BillingInstrument.class, "cvv")
.registerSubtype(CreditCard.class);
Gson gson = new GsonBuilder().registerTypeAdapterFactory(billingAdapter).create();
try {
gson.toJson(new CreditCard("Jesse", 456), BillingInstrument.class);
fail();
} catch (JsonParseException expected) {
}
}
@Test
public void testSerializeWrappedNullValue() {
TypeAdapterFactory billingAdapter =
RuntimeTypeAdapterFactory.of(BillingInstrument.class)
.registerSubtype(CreditCard.class)
.registerSubtype(BankTransfer.class);
Gson gson = new GsonBuilder().registerTypeAdapterFactory(billingAdapter).create();
String serialized =
gson.toJson(new BillingInstrumentWrapper(null), BillingInstrumentWrapper.class);
BillingInstrumentWrapper deserialized =
gson.fromJson(serialized, BillingInstrumentWrapper.class);
assertNull(deserialized.instrument);
}
static class BillingInstrumentWrapper {
BillingInstrument instrument;
BillingInstrumentWrapper(BillingInstrument instrument) {
this.instrument = instrument;
}
}
static class BillingInstrument {
private final String ownerName;
BillingInstrument(String ownerName) {
this.ownerName = ownerName;
}
}
static class CreditCard extends BillingInstrument {
int cvv;
CreditCard(String ownerName, int cvv) {
super(ownerName);
this.cvv = cvv;
}
}
static class BankTransfer extends BillingInstrument {
int bankAccount;
BankTransfer(String ownerName, int bankAccount) {
super(ownerName);
this.bankAccount = bankAccount;
}
}
}