factorio -> event -> mod -> console -> kafka pipe -> kafka -> event processor working!!!!!!!!!!!!!!!!!!

modules/events-schema/build.gradle.kts

@@ -14,6 +14,8 @@ dependencies {
 
   implementation("com.github.ntrrgc:ts-generator:1.1.2")
   implementation("org.jetbrains.kotlin:kotlin-reflect")
+
+  testImplementation(libs.kotest.datatest)
 }
 
 val generateTypescript by tasks.registering(JavaExec::class) {

modules/events-schema/src/main/kotlin/dev/adamko/kafkatorio/events/schema/factorioEvents.kt

@@ -1,8 +1,11 @@
 package dev.adamko.kafkatorio.events.schema
 
 
+import kotlin.reflect.full.findAnnotation
+import kotlin.reflect.full.findAnnotations
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
+import kotlinx.serialization.Transient
 import kotlinx.serialization.json.JsonClassDiscriminator
 
 
@@ -15,6 +18,8 @@ data class FactorioEvent<out T : FactorioObjectData>(
   /** Schema versioning */
   @SerialName("mod_version")
   val modVersion: String,
+  @SerialName("factorio_version")
+  val factorioVersion: String,
   /** game time */
   @SerialName("tick")
   val tick: UInt,
@@ -29,17 +34,19 @@ const val FactorioObjectDataDiscriminatorKey: String = "object_name"
 
 @Serializable
 @JsonClassDiscriminator(FactorioObjectDataDiscriminatorKey)
-sealed class FactorioObjectData {
-  @SerialName(FactorioObjectDataDiscriminatorKey)
-  abstract val objectName: String
+sealed class FactorioObjectData private constructor() {
+
+  // workaround - https://github.com/Kotlin/kotlinx.serialization/issues/1664
+  val objectName : String by lazy {
+    requireNotNull(this::class.findAnnotation<SerialName>()?.value) {
+      "Couldn't find @SerialName for ${this::class}!"
+    }
+  }
 }
 
 @Serializable
 @SerialName("LuaPlayer")
 data class PlayerData(
-  @SerialName(FactorioObjectDataDiscriminatorKey)
-  override val objectName: String,
-
   @Serializable(with = ListAsObjectSerializer::class)
   @SerialName("associated_characters_unit_numbers")
   val associatedCharactersUnitNumbers: List<UInt>,
@@ -54,9 +61,6 @@ data class PlayerData(
 @Serializable
 @SerialName("LuaEntity")
 data class EntityData(
-  @SerialName(FactorioObjectDataDiscriminatorKey)
-  override val objectName: String,
-
   @SerialName("active")
   val active: Boolean,
   @SerialName("health")
@@ -72,7 +76,7 @@ data class EntityData(
   @SerialName("type")
   val type: String,
   @SerialName("unit_number")
-  val unitNumber: UInt?,
+  val unitNumber: UInt? = null,
 
   @SerialName("player_index")
   val playerIndex: UInt? = null,
@@ -81,9 +85,6 @@ data class EntityData(
 @Serializable
 @SerialName("LuaSurface")
 data class SurfaceData(
-  @SerialName(FactorioObjectDataDiscriminatorKey)
-  override val objectName: String,
-
   @SerialName("daytime")
   val daytime: Double,
   @SerialName("index")

modules/events-schema/src/test/kotlin/dev/adamko/kafkatorio/events/schema/FactorioEventTest.kt

@@ -1,14 +1,8 @@
 package dev.adamko.kafkatorio.events.schema
 
-import dev.adamko.kafkatorio.events.schema.EntityData
-import dev.adamko.kafkatorio.events.schema.FactorioEvent
-import dev.adamko.kafkatorio.events.schema.FactorioObjectData
-import dev.adamko.kafkatorio.events.schema.PlayerData
-import dev.adamko.kafkatorio.events.schema.PositionData
-import dev.adamko.kafkatorio.events.schema.SurfaceData
-import dev.adamko.kafkatorio.events.schema.jsonMapper
 import io.kotest.core.spec.style.BehaviorSpec
 import io.kotest.matchers.equality.shouldBeEqualToComparingFields
+import io.kotest.matchers.shouldBe
 import kotlinx.serialization.decodeFromString
 import org.intellij.lang.annotations.Language
 
@@ -31,6 +25,7 @@ class FactorioEventTest : BehaviorSpec({
         },
         "event_type": "on_player_joined_game",
         "mod_version": "0.0.4",
+        "factorio_version": "1.1.48",
         "tick": 1278458
       }
     """.trimIndent()
@@ -40,7 +35,6 @@ class FactorioEventTest : BehaviorSpec({
 
       val expected = FactorioEvent(
         data = PlayerData(
-          objectName = "LuaPlayer",
           name = "fredthedeadhead",
           characterUnitNumber = 1u,
           associatedCharactersUnitNumbers = emptyList(),
@@ -51,10 +45,13 @@ class FactorioEventTest : BehaviorSpec({
         ),
         eventType = "on_player_joined_game",
         modVersion = "0.0.4",
+        factorioVersion = "1.1.48",
         tick = 1278458u
       )
 
       actual shouldBeEqualToComparingFields expected
+
+      expected.data.objectName shouldBe "LuaPlayer"
     }
   }
 
@@ -70,6 +67,7 @@ class FactorioEventTest : BehaviorSpec({
         },
         "event_type": "on_tick",
         "mod_version": "0.0.4",
+        "factorio_version": "1.1.48",
         "tick": 1278480
       }
     """.trimIndent()
@@ -78,17 +76,19 @@ class FactorioEventTest : BehaviorSpec({
 
       val expected = FactorioEvent(
         data = SurfaceData(
-          objectName = "LuaSurface",
           name = "nauvis",
           index = 1u,
           daytime = 0.8390800000511436707029133685864508152008056640625
         ),
         eventType = "on_tick",
         modVersion = "0.0.4",
+        factorioVersion = "1.1.48",
         tick = 1278480u
       )
 
       actual shouldBeEqualToComparingFields expected
+
+      expected.data.objectName shouldBe "LuaSurface"
     }
   }
 
@@ -112,6 +112,7 @@ class FactorioEventTest : BehaviorSpec({
         },
         "event_type": "on_player_changed_position",
         "mod_version": "0.0.6",
+        "factorio_version": "1.1.48",
         "tick": 1384507
       }
     """.trimIndent()
@@ -120,7 +121,6 @@ class FactorioEventTest : BehaviorSpec({
 
       val expected = FactorioEvent(
         data = EntityData(
-          objectName = "LuaEntity",
           name = "character",
           type = "character",
           active = true,
@@ -136,10 +136,13 @@ class FactorioEventTest : BehaviorSpec({
         ),
         eventType = "on_player_changed_position",
         modVersion = "0.0.6",
+        factorioVersion = "1.1.48",
         tick = 1384507u
       )
 
       actual shouldBeEqualToComparingFields expected
+
+      expected.data.objectName shouldBe "LuaEntity"
     }
   }