feat(events): RepoMapComputedEvent as recorded environment observation

2026-06-04 00:59:27 +04:00
parent a77d9a1288
commit 440c96659d
3 changed files with 77 additions and 0 deletions
@@ -0,0 +1,47 @@
+import com.correx.core.events.events.EventMetadata
+import com.correx.core.events.events.NewEvent
+import com.correx.core.events.events.RepoMapComputedEvent
+import com.correx.core.events.events.RepoMapEntry
+import com.correx.core.events.events.StoredEvent
+import com.correx.core.events.types.EventId
+import com.correx.core.events.types.SessionId
+import com.correx.core.sessions.projections.Projection
+import com.correx.core.sessions.projections.replay.DefaultEventReplayer
+import com.correx.infrastructure.persistence.InMemoryEventStore
+import kotlinx.coroutines.runBlocking
+import kotlinx.datetime.Instant
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+
+/** Collects the latest recorded repo map purely from events — never touches the filesystem. */
+private class RepoMapProjection : Projection<List<RepoMapEntry>> {
+    override fun initial(): List<RepoMapEntry> = emptyList()
+    override fun apply(state: List<RepoMapEntry>, event: StoredEvent): List<RepoMapEntry> =
+        when (val p = event.payload) {
+            is RepoMapComputedEvent -> p.entries
+            else -> state
+        }
+}
+
+class RepoMapReplayTest {
+
+    @Test
+    fun `repo map is reconstructed from the recorded event without re-scanning`(): Unit = runBlocking {
+        val sessionId = SessionId("s")
+        val store = InMemoryEventStore()
+        val entries = listOf(
+            RepoMapEntry("src/Main.kt", 0.9, listOf("main", "boot")),
+            RepoMapEntry("src/Util.kt", 0.4, listOf("clamp")),
+        )
+        store.append(
+            NewEvent(
+                EventMetadata(EventId("rm"), sessionId, Instant.parse("2026-06-04T00:00:00Z"), 1, null, null),
+                RepoMapComputedEvent(sessionId, "/repo", entries, Instant.parse("2026-06-04T00:00:00Z")),
+            ),
+        )
+
+        val rebuilt = DefaultEventReplayer(store, RepoMapProjection()).rebuild(sessionId)
+
+        assertEquals(entries, rebuilt)
+    }
+}