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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 JsonMapPolymorphismTest : JsonTestBase() {
@Serializable
internal data class MapWrapper(val map: Map<String, @Polymorphic InnerBase>)
@Test
fun testPolymorphicValues() = assertJsonFormAndRestored(
MapWrapper.serializer(),
MapWrapper(mapOf("k1" to InnerImpl(1), "k2" to InnerImpl2(2))),
"""{"map":{"k1":{"type":"kotlinx.serialization.json.polymorphic.InnerImpl","field":1,"str":"default","nullable":null},"k2":{"type":"kotlinx.serialization.json.polymorphic.InnerImpl2","field":2}}}""".trimMargin(),
polymorphicJson
)
@Serializable
internal data class MapNullableWrapper(val map: Map<String, @Polymorphic InnerBase?>)
@Serializable
internal data class MapKeys(val map: Map<@Polymorphic InnerBase, String>)
@Test
fun testPolymorphicNullableValues() = assertJsonFormAndRestored(
MapNullableWrapper.serializer(),
MapNullableWrapper(mapOf("k1" to InnerImpl(1), "k2" to null)),
"""{"map":{"k1":{"type":"kotlinx.serialization.json.polymorphic.InnerImpl","field":1,"str":"default","nullable":null},"k2":null}}""",
polymorphicJson
)
@Test
fun testPolymorphicKeys() {
val json = Json {
allowStructuredMapKeys = true
serializersModule = polymorphicTestModule
encodeDefaults = true
}
assertJsonFormAndRestored(
MapKeys.serializer(),
MapKeys(mapOf(InnerImpl(1) to "k2", InnerImpl2(2) to "k2")),
"""{"map":[{"type":"kotlinx.serialization.json.polymorphic.InnerImpl","field":1,"str":"default","nullable":null},"k2",{"type":"kotlinx.serialization.json.polymorphic.InnerImpl2","field":2},"k2"]}""",
json
)
}
@Test
fun testPolymorphicKeysInArray() {
val json = Json {
allowStructuredMapKeys = true
useArrayPolymorphism = true
serializersModule = polymorphicTestModule
encodeDefaults = true
}
assertJsonFormAndRestored(
MapKeys.serializer(),
MapKeys(mapOf(InnerImpl(1) to "k2", InnerImpl2(2) to "k2")),
"""{"map":[["kotlinx.serialization.json.polymorphic.InnerImpl",{"field":1,"str":"default","nullable":null}],"k2",["kotlinx.serialization.json.polymorphic.InnerImpl2",{"field":2}],"k2"]}""",
json
)
}
@Serializable
abstract class Base
@Serializable
data class Derived(val myMap: Map<StringData, String>) : Base()
@Test
fun testIssue480() {
val json = Json {
allowStructuredMapKeys = true
serializersModule = SerializersModule {
polymorphic(Base::class) {
subclass(Derived.serializer())
}
}
}
assertJsonFormAndRestored(
Base.serializer(),
Derived(mapOf(StringData("hi") to "hello")),
"""{"type":"kotlinx.serialization.json.polymorphic.JsonMapPolymorphismTest.Derived","myMap":[{"data":"hi"},"hello"]}""",
json
)
}
}
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