Add JUnit tests for QueueEntryImpl compareTo

Author: twisti-dev

surf-cloud-standalone/build.gradle.kts

@@ -31,6 +31,9 @@ dependencies {
             )
         }
     }
+
+    testImplementation("org.junit.jupiter:junit-jupiter-api:5.10.2")
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.10.2")
 }
 
 tasks {
@@ -80,6 +83,10 @@ tasks {
             )
         }
     }
+
+    test {
+        useJUnitPlatform()
+    }
 }
 
 kotlin {

surf-cloud-standalone/src/test/kotlin/dev/slne/surf/cloud/standalone/server/queue/QueueEntryImplTest.kt

@@ -0,0 +1,46 @@
+package dev.slne.surf.cloud.standalone.server.queue
+
+import dev.slne.surf.cloud.standalone.server.queue.entry.PlayerQueueHandle
+import dev.slne.surf.cloud.standalone.server.queue.entry.QueueEntryImpl
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+import java.util.*
+
+class QueueEntryImplTest {
+
+    private fun newEntry(priority: Int, preferredServer: Long? = null) =
+        QueueEntryImpl(
+            PlayerQueueHandle(UUID.randomUUID()),
+            priority,
+            bypassFull = false,
+            bypassQueue = false,
+            preferredServerUid = preferredServer
+        )
+
+    @Test
+    fun `compareTo honors priority`() {
+        val high = newEntry(priority = 10)
+        val low = newEntry(priority = 5)
+
+        assertEquals(-1, high.compareTo(low))
+        assertEquals(1, low.compareTo(high))
+    }
+
+    @Test
+    fun `compareTo prioritizes preferred server`() {
+        val a = newEntry(priority = 5, preferredServer = 1)
+        val b = newEntry(priority = 5, preferredServer = null)
+
+        assertEquals(-1, a.compareTo(b))
+        assertEquals(1, b.compareTo(a))
+    }
+
+    @Test
+    fun `compareTo equality when all fields equal`() {
+        val a = newEntry(priority = 5, preferredServer = 1)
+        val b = QueueEntryImpl(a.handle, 5, false, false, 1)
+
+        assertEquals(0, a.compareTo(b))
+        assertEquals(0, b.compareTo(a))
+    }
+}