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/*
* Copyright 2019 JetBrains s.r.o.
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
package kotlinx.serialization.features
import kotlinx.serialization.*
import kotlinx.serialization.modules.*
import kotlinx.serialization.json.Json
import kotlinx.serialization.protobuf.ProtoBuf
import kotlin.test.Test
import kotlin.test.assertEquals
class PolymorphismTest {
@Serializable
data class Wrapper(
@SerialId(1) @Polymorphic val polyBase1: PolyBase,
@SerialId(2) @Polymorphic val polyBase2: PolyBase
)
private val module: SerialModule = BaseAndDerivedModule + SerializersModule {
polymorphic(
PolyDerived::class,
PolyDerived.serializer()
)
}
private val json = Json { unquoted = true; useArrayPolymorphism = true; serialModule = module }
private val protobuf = ProtoBuf(context = module)
@Test
fun testInheritanceJson() {
val obj = Wrapper(PolyBase(2), PolyDerived("b"))
val bytes = json.stringify(Wrapper.serializer(), obj)
assertEquals("{polyBase1:[kotlinx.serialization.features.PolyBase,{id:2}]," +
"polyBase2:[kotlinx.serialization.features.PolyDerived,{id:1,s:b}]}", bytes)
}
@Test
fun testInheritanceProtobuf() {
val obj = Wrapper(PolyBase(2), PolyDerived("b"))
val bytes = protobuf.dumps(Wrapper.serializer(), obj)
val restored = protobuf.loads(Wrapper.serializer(), bytes)
assertEquals(obj, restored)
}
@Test
fun testExplicit() {
val obj = PolyDerived("b")
val s = json.stringify(PolymorphicSerializer(PolyDerived::class), obj)
assertEquals("[kotlinx.serialization.features.PolyDerived,{id:1,s:b}]", s)
}
}
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