add BotAction test

src/test/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/BotActionTests.kt

@@ -0,0 +1,60 @@
+package com.github.insanusmokrassar.TelegramBotAPI.types
+
+import com.github.insanusmokrassar.TelegramBotAPI.types.actions.*
+import kotlinx.serialization.ImplicitReflectionSerializer
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.Json
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+@ImplicitReflectionSerializer
+class BotActionTests {
+    @Serializable
+    data class Example(
+        val botAction: BotAction
+    )
+
+    private fun checkBotAction(example: Example, sourceAction: BotAction) {
+        assertEquals(
+            sourceAction.actionName,
+            when (example.botAction) {
+                TypingAction -> example.botAction.actionName
+                UploadPhotoAction -> example.botAction.actionName
+                RecordVideoAction -> example.botAction.actionName
+                UploadVideoAction -> example.botAction.actionName
+                RecordAudioAction -> example.botAction.actionName
+                UploadAudioAction -> example.botAction.actionName
+                UploadDocumentAction -> example.botAction.actionName
+                FindLocationAction -> example.botAction.actionName
+            }
+        )
+    }
+
+    private fun checkBotActionSerializeDeserialize(example: Example) {
+        val stringified = Json.plain.stringify(Example.serializer(), example)
+        assertEquals("{\"botAction\":\"${example.botAction.actionName}\"}", stringified)
+
+        val deserialized = Json.plain.parse(Example.serializer(), stringified)
+
+        assertEquals(example, deserialized)
+
+        checkBotAction(deserialized, example.botAction)
+    }
+
+    @Test
+    fun `BotAction correctly serialized and deserialized`() {
+        fun BotAction.example() = Example(this)
+        listOf(
+            TypingAction.example(),
+            UploadPhotoAction.example(),
+            RecordVideoAction.example(),
+            UploadVideoAction.example(),
+            RecordAudioAction.example(),
+            UploadAudioAction.example(),
+            UploadDocumentAction.example(),
+            FindLocationAction.example()
+        ).forEach {
+            checkBotActionSerializeDeserialize(it)
+        }
+    }
+}