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/*
* Copyright 2018 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.internal.IntDescriptor
import kotlinx.serialization.internal.IntSerializer
import kotlinx.serialization.json.Json
import org.junit.Test
import java.lang.reflect.ParameterizedType
import java.lang.reflect.Type
import kotlin.test.assertEquals
import kotlin.test.assertSame
class ResolvingTest {
@Serializable
data class Box<out T>(val a: T)
@Serializable
data class Data(val l: List<String>, val b: Box<Int>)
@Serializable
data class WithCustomDefault(val n: Int) {
@Serializer(forClass = WithCustomDefault::class)
companion object {
override val descriptor: SerialDescriptor = IntDescriptor.withName("WithCustomDefault")
override fun serialize(encoder: Encoder, obj: WithCustomDefault) = encoder.encodeInt(obj.n)
override fun deserialize(decoder: Decoder) = WithCustomDefault(decoder.decodeInt())
}
}
@Test
fun primitiveDescriptorWithNameTest() {
val desc = WithCustomDefault.serializer().descriptor
assertEquals("WithCustomDefault", desc.name)
assertSame(PrimitiveKind.INT, desc.kind)
assertEquals(0, desc.elementsCount)
}
object IntBoxToken : ParameterizedType {
override fun getRawType() = Box::class.java
override fun getOwnerType() = null
override fun getActualTypeArguments(): Array<Type> = arrayOf(Int::class.java)
}
@Test
fun intBoxTest() {
val b = Box(42)
val serial = serializerByTypeToken(IntBoxToken)
val s = Json.unquoted.stringify(serial, b)
assertEquals("{a:42}", s)
}
@Test
fun testArrayResolving() {
val myArr = arrayOf("a", "b", "c")
val token = myArr::class.java
val serial = serializerByTypeToken(token)
val s = Json.unquoted.stringify(serial, myArr)
assertEquals("[a,b,c]", s)
}
@Test
fun testListResolving() {
val myArr = listOf("a", "b", "c")
val token = object : ParameterizedType {
override fun getRawType(): Type = List::class.java
override fun getOwnerType(): Type? = null
override fun getActualTypeArguments(): Array<Type> = arrayOf(String::class.java)
}
val serial = serializerByTypeToken(token)
val s = Json.unquoted.stringify(serial, myArr)
assertEquals("[a,b,c]", s)
}
@Test
fun testReifiedArrayResolving() {
val myArr = arrayOf("a", "b", "c")
val token = typeTokenOf<Array<String>>()
val serial = serializerByTypeToken(token)
val s = Json.unquoted.stringify(serial, myArr)
assertEquals("[a,b,c]", s)
}
@Test
fun testReifiedListResolving() {
val myList = listOf("a", "b", "c")
val token = typeTokenOf<List<String>>()
val serial = serializerByTypeToken(token)
val s = Json.unquoted.stringify(serial, myList)
assertEquals("[a,b,c]", s)
}
@Test
fun testReifiedSetResolving() {
val mySet = setOf("a", "b", "c", "c")
val token = typeTokenOf<Set<String>>()
val serial = serializerByTypeToken(token)
val s = Json.unquoted.stringify(serial, mySet)
assertEquals("[a,b,c]", s)
}
@Test
fun testReifiedMapResolving() {
val myMap = mapOf("a" to Data(listOf("c"), Box(6)))
val token = typeTokenOf<Map<String, Data>>()
val serial = serializerByTypeToken(token)
val s = Json.unquoted.stringify(serial, myMap)
assertEquals("{a:{l:[c],b:{a:6}}}", s)
}
@Test
fun testNestedListResolving() {
val myList = listOf(listOf(listOf(1, 2, 3)), listOf())
val token = typeTokenOf<List<List<List<Int>>>>()
val serial = serializerByTypeToken(token)
val s = Json.unquoted.stringify(serial, myList)
assertEquals("[[[1,2,3]],[]]", s)
}
@Test
fun testNestedArrayResolving() {
val myList = arrayOf(arrayOf(arrayOf(1, 2, 3)), arrayOf())
val token = typeTokenOf<Array<Array<Array<Int>>>>()
val serial = serializerByTypeToken(token)
val s = Json.unquoted.stringify(serial, myList)
assertEquals("[[[1,2,3]],[]]", s)
}
@Test
fun testNestedMixedResolving() {
val myList = arrayOf(listOf(arrayOf(1, 2, 3)), listOf())
val token = typeTokenOf<Array<List<Array<Int>>>>()
val serial = serializerByTypeToken(token)
val s = Json.unquoted.stringify(serial, myList)
assertEquals("[[[1,2,3]],[]]", s)
}
@Test
fun objectTest() {
val b = Data(listOf("a", "b", "c"), Box(42))
val serial = serializerByTypeToken(Data::class.java)
val s = Json.unquoted.stringify(serial, b)
assertEquals("{l:[a,b,c],b:{a:42}}", s)
}
@Test
fun customDefault() {
val foo = Json.unquoted.parse<WithCustomDefault>("9")
assertEquals(9, foo.n)
}
@Serializable
data class WithNamedCompanion(val a: Int) {
companion object Named
}
@Test
fun namedCompanionTest() {
val namedCompanion = WithNamedCompanion(1)
val serial = serializerByTypeToken(WithNamedCompanion::class.java)
val s = Json.unquoted.stringify(serial, namedCompanion)
assertEquals("{a:1}", s)
}
@Test
fun intResolve() {
val token = typeTokenOf<Int>()
val serial = serializerByTypeToken(token)
assertSame(IntSerializer as KSerializer<*>, serial)
}
}
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