commonTest.kotlinx.serialization.json.polymorphic.JsonNestedPolymorphismTest.kt Maven / Gradle / Ivy

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Kotlin multiplatform serialization runtime library

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/*
 * Copyright 2017-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 */

package kotlinx.serialization.json.polymorphic

import kotlinx.serialization.*
import kotlinx.serialization.json.*
import kotlinx.serialization.modules.*
import kotlin.test.*

class JsonNestedPolymorphismTest : JsonTestBase() {

    private val polymorphicJson = Json {
        isLenient = true
        encodeDefaults = true
        serializersModule = SerializersModule {
            polymorphic(Any::class) {
                subclass(InnerImpl.serializer())
                subclass(InnerImpl2.serializer())
                subclass(OuterImpl.serializer())

            }

            polymorphic(InnerBase::class) {
                subclass(InnerImpl.serializer())
                subclass(InnerImpl2.serializer())
            }
        }
    }

    @Serializable
    internal data class NestedGenericsList(val list: List>)

    @Test
    fun testAnyList() = assertJsonFormAndRestored(
        NestedGenericsList.serializer(),
        NestedGenericsList(listOf(listOf(InnerImpl(1)), listOf(InnerImpl(2)))),
        """{"list":[[""" +
                """{"type":"kotlinx.serialization.json.polymorphic.InnerImpl","field":1,"str":"default","nullable":null}],[""" +
                """{"type":"kotlinx.serialization.json.polymorphic.InnerImpl","field":2,"str":"default","nullable":null}]]}""",
        polymorphicJson)

    @Serializable
    internal data class NestedGenericsMap(val list: Map>)

    @Test
    fun testAnyMap() = assertJsonFormAndRestored(
        NestedGenericsMap.serializer(),
        NestedGenericsMap(mapOf("k1" to mapOf("k1" to InnerImpl(1)))),
        """{"list":{"k1":{"k1":{"type":"kotlinx.serialization.json.polymorphic.InnerImpl",""" +
                """"field":1,"str":"default","nullable":null}}}}""",
        polymorphicJson)

    @Serializable
    internal data class AnyWrapper(@Polymorphic val any: Any)

    @Test
    fun testAny() = assertJsonFormAndRestored(
        AnyWrapper.serializer(),
        AnyWrapper(OuterImpl(InnerImpl2(1), InnerImpl(2))),
        """{"any":""" +
                """{"type":"kotlinx.serialization.json.polymorphic.OuterImpl",""" +
                """"base":{"type":"kotlinx.serialization.json.polymorphic.InnerImpl2","field":1},""" +
                """"base2":{"type":"kotlinx.serialization.json.polymorphic.InnerImpl","field":2,"str":"default","nullable":null}}}""",
        polymorphicJson)
}