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Add tests for MessageChain delegations

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This commit is contained in:
Him188 2020-06-15 16:04:14 +08:00
parent 3178aeb619
commit 1e15edc39b
2 changed files with 49 additions and 9 deletions
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15
mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/MessageChain.kt
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@ -17,10 +17,7 @@ import net.mamoe.mirai.JavaFriendlyAPI
import net.mamoe.mirai.message.MessageEvent import net.mamoe.mirai.message.MessageEvent
import net.mamoe.mirai.utils.PlannedRemoval import net.mamoe.mirai.utils.PlannedRemoval
import kotlin.js.JsName import kotlin.js.JsName
import kotlin.jvm.JvmMultifileClass import kotlin.jvm.*
import kotlin.jvm.JvmName
import kotlin.jvm.JvmOverloads
import kotlin.jvm.JvmSynthetic
import kotlin.reflect.KProperty import kotlin.reflect.KProperty
/** /**
@ -222,7 +219,8 @@ inline operator fun <reified T : Message> MessageChain.getValue(thisRef: Any?, p
* 可空的委托 * 可空的委托
* @see orNull * @see orNull
*/ */
inline class OrNullDelegate<out R : Message?>(private val value: Any?) { @Suppress("NON_PUBLIC_PRIMARY_CONSTRUCTOR_OF_INLINE_CLASS")
inline class OrNullDelegate<out R> @PublishedApi internal constructor(@JvmField @PublishedApi internal val value: Any?) {
@Suppress("UNCHECKED_CAST") @Suppress("UNCHECKED_CAST")
operator fun getValue(thisRef: Any?, property: KProperty<*>): R = value as R operator fun getValue(thisRef: Any?, property: KProperty<*>): R = value as R
} }
@ -257,10 +255,9 @@ inline fun <reified T : Message> MessageChain.orNull(): OrNullDelegate<T?> =
*/ */
@Suppress("RemoveExplicitTypeArguments") @Suppress("RemoveExplicitTypeArguments")
@JvmSynthetic @JvmSynthetic
inline fun <reified T : Message?> MessageChain.orElse( inline fun <reified T : R, R : Message?> MessageChain.orElse(
lazyDefault: () -> T lazyDefault: () -> R
): OrNullDelegate<T> = ): OrNullDelegate<R> = OrNullDelegate<R>(this.firstIsInstanceOrNull<T>() ?: lazyDefault())
OrNullDelegate<T>(this.firstIsInstanceOrNull<T>() ?: lazyDefault())
// endregion delegate // endregion delegate

43
mirai-core/src/commonTest/kotlin/net/mamoe/mirai/message.data/TestMessageChainDelegate.kt Normal file
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@ -0,0 +1,43 @@
/*
* Copyright 2020 Mamoe Technologies and contributors.
*
* 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
* Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
*
* https://github.com/mamoe/mirai/blob/master/LICENSE
*/
package net.mamoe.mirai.message.data
import kotlin.test.Test
import kotlin.test.assertEquals
internal class TestMessageChainDelegate {
private val message = messageChainOf(AtAll, PlainText("test"))
@Test
fun testGetValue() {
@Suppress("UNUSED_VARIABLE")
val atAll: AtAll by message
val plain: PlainText by message
assertEquals(plain.content, "test")
}
@Test
fun testOrNull() {
@Suppress("UNUSED_VARIABLE")
val atAll: AtAll? by message.orNull()
val plain: PlainText? by message.orNull()
assertEquals(plain!!.content, "test")
}
@Test
fun testOrElse() {
val message = messageChainOf()
@Suppress("UNUSED_VARIABLE")
val plain: PlainText? by message.orElse { PlainText("test") }
assertEquals(plain!!.content, "test")
}
}