Addtional testing for network layer

src/test/java/net/minestom/server/network/packet/client/common/ClientKeepAlivePacketTest.java

@@ -0,0 +1,23 @@
+package net.minestom.server.network.packet.client.common;
+
+import net.minestom.server.network.NetworkBuffer;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class ClientKeepAlivePacketTest {
+
+    @Test
+    void testClientKeepAlivePacket() {
+        NetworkBuffer networkBuffer = new NetworkBuffer();
+        ClientKeepAlivePacket clientKeepAlivePacket = new ClientKeepAlivePacket(0L);
+
+        clientKeepAlivePacket.write(networkBuffer);
+
+        var packet = new ClientKeepAlivePacket(networkBuffer);
+
+        assertEquals(packet.id(), 0L);
+    }
+
+
+}

src/test/java/net/minestom/server/network/packet/client/common/ClientPingRequestPacketTest.java

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+package net.minestom.server.network.packet.client.common;
+
+import net.minestom.server.network.NetworkBuffer;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class ClientPingRequestPacketTest {
+
+    @Test
+    void testClientPingRequestPacket() {
+        NetworkBuffer networkBuffer = new NetworkBuffer();
+        ClientPingRequestPacket requestPacket = new ClientPingRequestPacket(0L);
+
+        requestPacket.write(networkBuffer);
+
+        var packet = new ClientPingRequestPacket(networkBuffer);
+
+        assertEquals(packet.number(), 0L);
+    }
+
+}

src/test/java/net/minestom/server/network/packet/client/common/ClientPluginMessagePacketTest.java

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+package net.minestom.server.network.packet.client.common;
+
+import net.minestom.server.network.NetworkBuffer;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class ClientPluginMessagePacketTest {
+
+    // TODO: Fix bug with empty byte array
+    @Disabled
+    @Test
+    void testClientPluginMessagePacket() {
+        NetworkBuffer networkBuffer = new NetworkBuffer();
+        ClientPluginMessagePacket clientPluginMessagePacket = new ClientPluginMessagePacket("channel", new byte[0]);
+
+        clientPluginMessagePacket.write(networkBuffer);
+
+        var packet = new ClientPluginMessagePacket(networkBuffer);
+
+        assertEquals("channel", packet.channel());
+        assertArrayEquals(new byte[0], packet.data());
+    }
+
+    @Test
+    void testClientPluginMessagePacketException() {
+        StringBuilder channel = new StringBuilder();
+        channel.append("a".repeat(257));
+        assertThrows(IllegalArgumentException.class, () -> new ClientPluginMessagePacket(channel.toString(), new byte[0]));
+    }
+}

src/test/java/net/minestom/server/network/packet/client/common/ClientPongPacketTest.java

@@ -0,0 +1,19 @@
+package net.minestom.server.network.packet.client.common;
+
+import net.minestom.server.network.NetworkBuffer;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class ClientPongPacketTest {
+
+    @Test
+    void testClientPongPacket() {
+         ClientPongPacket clientPongPacket = new ClientPongPacket(0);
+         NetworkBuffer networkBuffer = new NetworkBuffer();
+         clientPongPacket.write(networkBuffer);
+         var packet = new ClientPongPacket(networkBuffer);
+         assertEquals(0, packet.id());
+    }
+
+}

src/test/java/net/minestom/server/network/packet/client/common/ClientSettingsPacketTest.java

@@ -0,0 +1,36 @@
+package net.minestom.server.network.packet.client.common;
+
+import net.minestom.server.entity.Player;
+import net.minestom.server.message.ChatMessageType;
+import net.minestom.server.network.NetworkBuffer;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class ClientSettingsPacketTest {
+
+    @Test
+    void testClientSettingsPacket() {
+        ClientSettingsPacket clientSettingsPacket = new ClientSettingsPacket(
+                "locale",
+                (byte)0,
+                ChatMessageType.FULL,
+                true,
+                (byte) 0,
+                Player.MainHand.RIGHT,
+                true,
+                true);
+        NetworkBuffer networkBuffer = new NetworkBuffer();
+        clientSettingsPacket.write(networkBuffer);
+        var packet = new ClientSettingsPacket(networkBuffer);
+        assertEquals("locale", packet.locale());
+        assertEquals(0, packet.viewDistance());
+        assertEquals(ChatMessageType.FULL, packet.chatMessageType());
+        assertTrue(packet.chatColors());
+        assertEquals(0, packet.displayedSkinParts());
+        assertEquals(Player.MainHand.RIGHT, packet.mainHand());
+        assertTrue(packet.enableTextFiltering());
+        assertTrue(packet.allowsListing());
+    }
+}

src/test/java/net/minestom/server/network/packet/client/configuration/ClientSelectKnownPacksPacketTest.java

@@ -0,0 +1,24 @@
+package net.minestom.server.network.packet.client.configuration;
+
+import net.minestom.server.network.NetworkBuffer;
+import net.minestom.server.network.packet.server.configuration.SelectKnownPacksPacket;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+
+class ClientSelectKnownPacksPacketTest {
+
+    void testClientSelectKnownPacksPacket() {
+        ClientSelectKnownPacksPacket clientSelectKnownPacksPacket = new ClientSelectKnownPacksPacket(
+                List.of(
+                        new SelectKnownPacksPacket.Entry("a", "a", "a")
+                )
+        );
+        NetworkBuffer networkBuffer = new NetworkBuffer();
+        clientSelectKnownPacksPacket.write(networkBuffer);
+        var packet = new ClientSelectKnownPacksPacket(networkBuffer);
+
+        assertArrayEquals(clientSelectKnownPacksPacket.entries().toArray(), packet.entries().toArray());
+    }
+}