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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.json.serializers
import kotlinx.serialization.Serializable
import kotlinx.serialization.json.*
import kotlinx.serialization.json.internal.*
import kotlinx.serialization.test.*
import kotlin.test.*
class JsonObjectSerializerTest : JsonTestBase() {
private val expected = """{"element":{"literal":1,"nullKey":null,"nested":{"another literal":"some value"},"\\. escaped":"\\. escaped","\n new line":"\n new line"}}"""
private val expectedTopLevel = """{"literal":1,"nullKey":null,"nested":{"another literal":"some value"},"\\. escaped":"\\. escaped","\n new line":"\n new line"}"""
@Test
fun testJsonObject() = parametrizedTest(default) {
assertStringFormAndRestored(expected, JsonObjectWrapper(prebuiltJson()), JsonObjectWrapper.serializer())
}
@Test
fun testJsonObjectAsElement() = parametrizedTest(default) {
assertStringFormAndRestored(expected, JsonElementWrapper(prebuiltJson()), JsonElementWrapper.serializer())
}
@Test
fun testTopLevelJsonObject() = parametrizedTest (default) {
assertStringFormAndRestored(expectedTopLevel, prebuiltJson(), JsonObject.serializer())
}
@Test
fun testTopLevelJsonObjectAsElement() = parametrizedTest (default) {
assertStringFormAndRestored(expectedTopLevel, prebuiltJson(), JsonElement.serializer())
}
@Test
fun testJsonObjectToString() {
val prebuiltJson = prebuiltJson()
val string = lenient.encodeToString(JsonElement.serializer(), prebuiltJson)
assertEquals(string, prebuiltJson.toString())
}
@Test
fun testDocumentationSample() {
val string = Json.encodeToString(JsonElement.serializer(), buildJsonObject { put("key", 1.0) })
val literal = Json.decodeFromString(JsonElement.serializer(), string)
assertEquals(JsonObject(mapOf("key" to JsonPrimitive(1.0))), literal)
}
@Test
fun testMissingCommas() = parametrizedTest { jsonTestingMode ->
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(JsonObject.serializer(), "{ \"1\": \"2\" \"3\":\"4\"}", jsonTestingMode) }
}
@Test
fun testEmptyObject() = parametrizedTest { jsonTestingMode ->
assertEquals(JsonObject(emptyMap()), lenient.decodeFromString(JsonObject.serializer(), "{}", jsonTestingMode))
assertEquals(JsonObject(emptyMap()), lenient.decodeFromString(JsonObject.serializer(), "{}", jsonTestingMode))
assertEquals(JsonObject(emptyMap()), lenient.decodeFromString(JsonObject.serializer(), "{\n\n}", jsonTestingMode))
assertEquals(JsonObject(emptyMap()), lenient.decodeFromString(JsonObject.serializer(), "{ \t}", jsonTestingMode))
}
@Test
fun testInvalidObject() = parametrizedTest { jsonTestingMode ->
assertFailsWithSerial("JsonDecodingException") { default.decodeFromString(JsonObject.serializer(), "{\"a\":\"b\"]", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { default.decodeFromString(JsonObject.serializer(), "{", jsonTestingMode) }
if (jsonTestingMode != JsonTestingMode.JAVA_STREAMS) // Streams support dangling characters
assertFailsWithSerial("JsonDecodingException") { default.decodeFromString(JsonObject.serializer(), "{}}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { default.decodeFromString(JsonObject.serializer(), "{]", jsonTestingMode) }
}
@Test
fun testWhitespaces() = parametrizedTest { jsonTestingMode ->
assertEquals(
JsonObject(mapOf("1" to JsonPrimitive(2), "3" to JsonPrimitive(4), "5" to JsonPrimitive(6))),
lenient.decodeFromString(JsonObject.serializer(), "{1: 2, 3: \n 4, 5:6}", jsonTestingMode)
)
}
@Test
fun testExcessiveCommas() = parametrizedTest { jsonTestingMode ->
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(JsonObject.serializer(), "{\"a\":\"b\",}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(JsonObject.serializer(), "{\"a\",}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(JsonObject.serializer(), "{,\"1\":\"2\"}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(JsonObject.serializer(), "{,\"1\":\"2\",}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(JsonObject.serializer(), "{,}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(JsonObject.serializer(), "{,,}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(JsonObject.serializer(), "{,,\"1\":\"2\"}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(JsonObject.serializer(), "{\"1\":\"2\",,}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(JsonObject.serializer(), "{\"1\":\"2\",,\"2\":\"2\"}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(JsonObject.serializer(), "{, ,}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(JsonObject.serializer(), "{,\n,}", jsonTestingMode) }
}
@Serializable
data class Holder(val a: String)
@Test
fun testExcessiveCommasInObject() = parametrizedTest { jsonTestingMode ->
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(Holder.serializer(), "{\"a\":\"b\",}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(Holder.serializer(), "{\"a\",}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(Holder.serializer(), "{,\"a\":\"b\"}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(Holder.serializer(), "{,\"a\":\"b\",}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(Holder.serializer(), "{,}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(Holder.serializer(), "{,,}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(Holder.serializer(), "{,,\"a\":\"b\"}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(Holder.serializer(), "{\"a\":\"b\",,}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(Holder.serializer(), "{, ,}", jsonTestingMode) }
assertFailsWithSerial("JsonDecodingException") { lenient.decodeFromString(Holder.serializer(), "{,\n,}", jsonTestingMode) }
}
private fun prebuiltJson(): JsonObject {
return buildJsonObject {
put("literal", 1)
put("nullKey", JsonNull)
putJsonObject("nested") {
put("another literal", "some value")
}
put("\\. escaped", "\\. escaped")
put("\n new line", "\n new line")
}
}
}
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