Add tests for remaining commands

game/plugin/cmd/test/SkillCommandTests.kt

@@ -1,13 +1,18 @@
+import io.mockk.verify
 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.Skill
 import org.apollo.game.model.entity.setting.PrivilegeLevel
+import org.apollo.game.plugin.testing.assertions.contains
 import org.apollo.game.plugin.testing.junit.ApolloTestingExtension
 import org.apollo.game.plugin.testing.junit.api.annotations.TestMock
 import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.extension.ExtendWith
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.ValueSource
 
 @ExtendWith(ApolloTestingExtension::class)
 class SkillCommandTests {
@@ -18,13 +23,53 @@ class SkillCommandTests {
     @TestMock
     lateinit var player: Player
 
+    @BeforeEach
+    fun setup() {
+        player.privilegeLevel = PrivilegeLevel.ADMINISTRATOR
+    }
+
     @Test
     fun `Max stats to 99`() {
-        player.privilegeLevel = PrivilegeLevel.ADMINISTRATOR
         world.commandDispatcher.dispatch(player, Command("max", emptyArray()))
 
         for (stat in 0 until Skill.RUNECRAFT) {
             assertEquals(99, player.skillSet.getCurrentLevel(stat))
         }
     }
+
+    @Test
+    fun `Set skill to given level`() {
+        world.commandDispatcher.dispatch(player, Command("level", arrayOf("1", "99")))
+
+        assertEquals(99, player.skillSet.getCurrentLevel(1))
+    }
+
+    @Test
+    fun `Set skill to given experience`() {
+        world.commandDispatcher.dispatch(player, Command("xp", arrayOf("1", "50")))
+
+        assertEquals(50.0, player.skillSet.getExperience(1))
+    }
+
+    @ParameterizedTest(name = "::{0}")
+    @ValueSource(strings = [
+        "level 50 100",
+        "level 15 100",
+        "level <garbage> 100",
+        "level 15 <garbage>",
+        "level",
+        "xp",
+        "xp 50 <garbage>",
+        "xp <garbage> 50"
+    ])
+    fun `Help message shown on invalid syntax`(command: String) {
+        val args = command.split(" ").toMutableList()
+        val cmd = args.removeAt(0)
+
+        world.commandDispatcher.dispatch(player, Command(cmd, args.toTypedArray()))
+
+        verify {
+            player.sendMessage(contains("Invalid syntax"))
+        }
+    }
 }