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/*
* Copyright 2017-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
package kotlinx.serialization.features
import kotlinx.serialization.*
import kotlinx.serialization.json.Json
import kotlinx.serialization.modules.*
import kotlinx.serialization.test.assertStringFormAndRestored
import kotlin.test.Test
class SealedPolymorphismTest {
@Serializable
data class FooHolder(
val someMetadata: Int,
val payload: List<@Polymorphic Foo>
)
@Serializable
@SerialName("Foo")
sealed class Foo {
@Serializable
@SerialName("Bar")
data class Bar(val bar: Int) : Foo()
@Serializable
@SerialName("Baz")
data class Baz(val baz: String) : Foo()
}
val sealedModule = SerializersModule {
polymorphic(Foo::class) {
subclass(Foo.Bar.serializer())
subclass(Foo.Baz.serializer())
}
}
val json = Json { serializersModule = sealedModule }
@Test
fun testSaveSealedClassesList() {
assertStringFormAndRestored(
"""{"someMetadata":42,"payload":[
|{"type":"Bar","bar":1},
|{"type":"Baz","baz":"2"}]}""".trimMargin().replace("\n", ""),
FooHolder(42, listOf(Foo.Bar(1), Foo.Baz("2"))),
FooHolder.serializer(),
json,
printResult = true
)
}
@Test
fun testCanSerializeSealedClassPolymorphicallyOnTopLevel() {
assertStringFormAndRestored(
"""{"type":"Bar","bar":1}""",
Foo.Bar(1),
PolymorphicSerializer(Foo::class),
json
)
}
}
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