create EventStreamInMemoryTest

src/main/kotlin/eventDemo/libs/event/EventStoreInMemory.kt

@@ -7,5 +7,5 @@ class EventStoreInMemory<E : Event<ID>, ID : AggregateId> : EventStore<E, ID> {
   private val streams: ConcurrentMap<ID, EventStream<E>> = ConcurrentHashMap()
 
   override fun getStream(aggregateId: ID): EventStream<E> =
-    streams.computeIfAbsent(aggregateId) { EventStreamInMemory() }
+    streams.computeIfAbsent(aggregateId) { EventStreamInMemory(aggregateId) }
 }

src/main/kotlin/eventDemo/libs/event/EventStreamInMemory.kt

@@ -9,11 +9,18 @@ import java.util.concurrent.ConcurrentLinkedQueue
  *
  * All methods are implemented.
  */
-class EventStreamInMemory<E : Event<*>> : EventStream<E> {
+class EventStreamInMemory<E : Event<ID>, ID : AggregateId>(
+  val aggregateId: ID,
+) : EventStream<E> {
   private val logger = KotlinLogging.logger {}
   private val events: Queue<E> = ConcurrentLinkedQueue()
 
   override fun publish(event: E) {
+    if (event.aggregateId != aggregateId) {
+      throw EventStreamPublishException(
+        "You cannot publish this event in this stream because it has a different aggregateId!",
+      )
+    }
     if (events.none { it.eventId == event.eventId }) {
       events.add(event)
       logger.info { "Event published" }

src/main/kotlin/eventDemo/libs/event/EventStreamPublishException.kt

@@ -0,0 +1,5 @@
+package eventDemo.libs.event
+
+class EventStreamPublishException(
+  override val message: String,
+) : Exception(message)

src/test/kotlin/eventDemo/business/event/projection/ProjectionSnapshotRepositoryTest.kt

@@ -105,7 +105,7 @@ class ProjectionSnapshotRepositoryTest :
           (0..9)
             .map {
               GlobalScope.launch {
-                (1..10).map {
+                (1..10).forEach {
                   val eventX =
                     lock.withLock {
                       EventXTest(num = 1, version = versionBuilder.buildNextVersion(aggregateId), aggregateId = aggregateId)

src/test/kotlin/eventDemo/libs/event/EventStreamInMemoryTest.kt

@@ -1,16 +1,85 @@
 package eventDemo.libs.event
 
 import io.kotest.core.spec.style.FunSpec
+import io.kotest.matchers.collections.shouldHaveSize
+import io.kotest.matchers.equals.shouldBeEqual
+import kotlinx.coroutines.DelicateCoroutinesApi
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import org.junit.jupiter.api.assertNull
+import org.junit.jupiter.api.assertThrows
+import kotlin.test.assertNotNull
 
+@DelicateCoroutinesApi
 class EventStreamInMemoryTest :
   FunSpec({
+    fun streamWith3Events(block: EventStream<Event<IdTest>>.(id: IdTest) -> Unit): EventStream<Event<IdTest>> =
+      EventStreamInMemory(IdTest()).apply {
+        publish(EventXTest(aggregateId = aggregateId, version = 1, num = 1))
+        publish(EventXTest(aggregateId = aggregateId, version = 2, num = 2))
+        publish(EventXTest(aggregateId = aggregateId, version = 3, num = 3))
+        block(aggregateId)
+      }
 
-    xtest("publish should be concurrently secure") { }
+    test("readVersionBetween should only return the event of aggregate") {
+      streamWith3Events {
+        readVersionBetween(1..2) shouldHaveSize 2
+        readVersionBetween(1..1) shouldHaveSize 1
+        readVersionBetween(2..20) shouldHaveSize 2
+        readVersionBetween(4..20) shouldHaveSize 0
+      }
+    }
 
-    xtest("readLast should only return the event of aggregate") { }
-    xtest("readLast should return the last event of the aggregate") { }
+    test("readAll should only return the event of aggregate") {
+      streamWith3Events {
+        readAll() shouldHaveSize 3
+        readAll().also {
+          it.forEachIndexed { i, event ->
+            event.version shouldBeEqual i + 1
+          }
+        }
+      }
+    }
 
-    xtest("readLastOf should return the last event of the aggregate of the type") { }
+    test("getByVersion should only return the event with this version") {
+      streamWith3Events {
+        assertNotNull(getByVersion(1)).version shouldBeEqual 1
+        assertNotNull(getByVersion(2)).version shouldBeEqual 2
+        assertNotNull(getByVersion(3)).version shouldBeEqual 3
+        assertNull(getByVersion(4))
+      }
+    }
 
-    xtest("readAll should only return the event of aggregate") { }
+    test("readGreaterOfVersion should only return the events with greater version") {
+      streamWith3Events {
+        assertNotNull(readGreaterOfVersion(1)) shouldHaveSize 2
+        assertNotNull(readGreaterOfVersion(2)) shouldHaveSize 1
+        assertNotNull(readGreaterOfVersion(3)) shouldHaveSize 0
+        assertNotNull(readGreaterOfVersion(30)) shouldHaveSize 0
+      }
+    }
+
+    test("publish should be throw error when publish another aggregate event") {
+      EventStreamInMemory(IdTest()).apply {
+        assertThrows<EventStreamPublishException> { publish(EventXTest(aggregateId = IdTest(), version = 1, num = 1)) }
+      }
+    }
+
+    test("publish should be concurrently secure") {
+      val id = IdTest()
+      val stream = EventStreamInMemory(id)
+      (1..10).forEach { i1 ->
+        GlobalScope.launch {
+          (1..10).forEach { i2 ->
+            stream.publish(
+              EventXTest(
+                aggregateId = id,
+                version = (i1 * 10) + i2,
+                num = (i1 * 10) + i2,
+              ),
+            )
+          }
+        }
+      }
+    }
   })

src/test/kotlin/eventDemo/libs/event/TestEvents.kt

@@ -0,0 +1,26 @@
+package eventDemo.libs.event
+
+import eventDemo.configuration.serializer.UUIDSerializer
+import kotlinx.datetime.Clock
+import kotlinx.datetime.Instant
+import kotlinx.serialization.Serializable
+import java.util.UUID
+
+@JvmInline
+@Serializable
+value class IdTest(
+  @Serializable(with = UUIDSerializer::class)
+  override val id: UUID = UUID.randomUUID(),
+) : AggregateId
+
+sealed interface TestEvents : Event<IdTest>
+
+@Serializable
+data class EventXTest(
+  @Serializable(with = UUIDSerializer::class)
+  override val eventId: UUID = UUID.randomUUID(),
+  override val aggregateId: IdTest,
+  override val createdAt: Instant = Clock.System.now(),
+  override val version: Int,
+  val num: Int,
+) : TestEvents

src/test/kotlin/eventDemo/libs/event/VersionBuilderLocalTest.kt

@@ -6,12 +6,6 @@ import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.joinAll
 import kotlinx.coroutines.launch
-import java.util.UUID
-
-@JvmInline
-private value class IdTest(
-  override val id: UUID = UUID.randomUUID(),
-) : AggregateId
 
 @OptIn(DelicateCoroutinesApi::class)
 class VersionBuilderLocalTest :