Add tests for most command plugins

game/plugin/cmd/test/ItemCommandTests.kt

@@ -0,0 +1,42 @@
+import org.apollo.cache.def.ItemDefinition
+import org.apollo.game.command.Command
+import org.apollo.game.model.World
+import org.apollo.game.model.entity.Player
+import org.apollo.game.model.entity.setting.PrivilegeLevel
+import org.apollo.game.plugin.testing.junit.ApolloTestingExtension
+import org.apollo.game.plugin.testing.junit.api.annotations.ItemDefinitions
+import org.apollo.game.plugin.testing.junit.api.annotations.TestMock
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.extension.ExtendWith
+
+@ExtendWith(ApolloTestingExtension::class)
+class ItemCommandTests {
+
+    @TestMock
+    lateinit var world: World
+
+    @TestMock
+    lateinit var player: Player
+
+    @Test
+    fun `Defaults to an amount of 1`() {
+        player.privilegeLevel = PrivilegeLevel.ADMINISTRATOR
+        world.commandDispatcher.dispatch(player, Command("item", arrayOf("1")))
+
+        assertEquals(1, player.inventory.getAmount(1))
+    }
+
+    @Test
+    fun `Adds item of specified amount to inventory`() {
+        player.privilegeLevel = PrivilegeLevel.ADMINISTRATOR
+        world.commandDispatcher.dispatch(player, Command("item", arrayOf("1", "10")))
+
+        assertEquals(10, player.inventory.getAmount(1))
+    }
+
+    companion object {
+        @ItemDefinitions
+        val items = listOf(ItemDefinition(1))
+    }
+}