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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 org.junit.Assert.assertEquals
import org.junit.Test
class InternalInheritanceTest {
@Serializable
open class A(val parent: Int) {
private val rootOptional = "rootOptional"
override fun equals(other: Any?): Boolean {
if (this === other) return true
if (other !is A) return false
if (parent != other.parent) return false
if (rootOptional != other.rootOptional) return false
return true
}
}
@Serializable
open class B(val parent2: Int, @Transient val transientDerived: String = "X", val derived: String) : A(parent2) {
protected val bodyDerived = "body"
}
@Serializable
class C(val parent3: Int) : B(parent3, derived = "derived") {
val lastDerived = "optional"
override fun equals(other: Any?): Boolean {
if (this === other) return true
if (other?.javaClass != javaClass) return false
other as C
if (!super.equals(other)) return false
if (parent3 != other.parent3) return false
if (lastDerived != other.lastDerived) return false
if (parent2 != other.parent2) return false
if (transientDerived != other.transientDerived) return false
if (derived != other.derived) return false
if (bodyDerived != other.bodyDerived) return false
return true
}
}
@Test
fun testStringify() {
assertEquals(
"{parent:42,rootOptional:rootOptional,parent2:42,derived:derived,bodyDerived:body,parent3:42,lastDerived:optional}",
Json.unquoted.stringify(C(42))
)
assertEquals(
"{parent:13,rootOptional:rootOptional,parent2:13,derived:bbb,bodyDerived:body}",
Json.unquoted.stringify(B(13, derived = "bbb"))
)
}
@Test
fun testParse() {
assertEquals(
C(42),
Json.unquoted.parse<C>("{parent:42,rootOptional:rootOptional,parent2:42,derived:derived,bodyDerived:body,parent3:42,lastDerived:optional}")
)
assertEquals(
C(43),
Json.unquoted.parse<C>("{parent:43,rootOptional:rootOptional,parent2:43,derived:derived,bodyDerived:body,parent3:43,lastDerived:optional}")
)
}
@Test
fun testParseOptionals() {
assertEquals(
B(100, derived = "wowstring"),
Json.unquoted.parse<B>("{parent:100,rootOptional:rootOptional,parent2:100,derived:wowstring,bodyDerived:body}")
)
assertEquals(
C(44),
Json.unquoted.parse<C>("{parent:44, parent2:44,derived:derived,bodyDerived:body,parent3:44}")
)
assertEquals(
B(101, derived = "wowstring"),
Json.unquoted.parse<B>("{parent:101,parent2:101,derived:wowstring,bodyDerived:body}")
)
assertEquals(
A(77),
Json.unquoted.parse<A>("{parent:77,rootOptional:rootOptional}")
)
assertEquals(
A(78),
Json.unquoted.parse<A>("{parent:78}")
)
}
@Test(expected = SerializationException::class)
fun testThrowTransient() {
Json.unquoted.parse<B>("{parent:100,rootOptional:rootOptional,transientDerived:X,parent2:100,derived:wowstring,bodyDerived:body}")
}
@Test(expected = SerializationException::class)
fun testThrowMissingField() {
Json.unquoted.parse<C>("{parent:42,rootOptional:rootOptional,derived:derived,bodyDerived:body,parent3:42,lastDerived:optional}")
}
@Test
fun testSerializeAsParent() {
val obj1: A = B(77, derived = "derived")
val obj2: A = C(77)
assertEquals("""{parent:77,rootOptional:rootOptional}""", Json.unquoted.stringify(obj1))
assertEquals("""{parent:77,rootOptional:rootOptional}""", Json.unquoted.stringify(obj2))
}
}
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