From 363a0ed8955314223dd44df1781dc05319b6a690 Mon Sep 17 00:00:00 2001
From: Lars Simon Winzer <lars.winzer@stud.unibas.ch>
Date: Mon, 27 Apr 2026 01:04:45 +0200
Subject: [PATCH] Test: Add unit tests for CommandParserDispatcher

---
 .../parsing/CommandParserDispatcherTest.java  | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 src/test/java/ch/unibas/dmi/dbis/cs108/casono/server/network/command/parsing/CommandParserDispatcherTest.java

diff --git a/src/test/java/ch/unibas/dmi/dbis/cs108/casono/server/network/command/parsing/CommandParserDispatcherTest.java b/src/test/java/ch/unibas/dmi/dbis/cs108/casono/server/network/command/parsing/CommandParserDispatcherTest.java
new file mode 100644
index 0000000..3754f14
--- /dev/null
+++ b/src/test/java/ch/unibas/dmi/dbis/cs108/casono/server/network/command/parsing/CommandParserDispatcherTest.java
@@ -0,0 +1,55 @@
+package ch.unibas.dmi.dbis.cs108.casono.server.network.command.parsing;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import ch.unibas.dmi.dbis.cs108.casono.server.network.protocol.request.PrimitiveRequest;
+import ch.unibas.dmi.dbis.cs108.casono.server.network.protocol.request.Request;
+import ch.unibas.dmi.dbis.cs108.casono.server.network.protocol.request.RequestContext;
+import ch.unibas.dmi.dbis.cs108.casono.server.network.sessions.SessionId;
+import java.util.List;
+import java.util.UUID;
+import org.junit.jupiter.api.Test;
+
+public class CommandParserDispatcherTest {
+    private class DummyRequest extends Request {
+        public DummyRequest(RequestContext context) {
+            super(context);
+        }
+    }
+
+    @Test
+    void testSuccessfulParsing() {
+        CommandParserDispatcher dispatcher = new CommandParserDispatcher();
+
+        RequestContext ctx = new RequestContext(new SessionId(UUID.randomUUID()), 7411);
+        PrimitiveRequest primitiveRequest = new PrimitiveRequest(ctx, "TEST_CMD", List.of());
+
+        dispatcher.register(
+                "TEST_CMD",
+                new CommandParser<Request>() {
+                    @Override
+                    public Request parse(PrimitiveRequest primitiveRequest) {
+                        return new DummyRequest(primitiveRequest.context());
+                    }
+                });
+
+        Request result = dispatcher.parse(primitiveRequest);
+
+        assertTrue(result instanceof DummyRequest);
+        assertEquals(ctx, result.getContext());
+    }
+
+    @Test
+    void testUnknownCommandThrows() {
+        CommandParserDispatcher dispatcher = new CommandParserDispatcher();
+
+        RequestContext ctx = new RequestContext(new SessionId(UUID.randomUUID()), 42);
+        PrimitiveRequest primitiveRequest = new PrimitiveRequest(ctx, "UNKNOWN_CMD", List.of());
+
+        UnknownCommandException ex =
+                assertThrows(
+                        UnknownCommandException.class, () -> dispatcher.parse(primitiveRequest));
+
+        assertEquals("UNKNOWN_CMD", ex.getMessage());
+    }
+}
-- 
2.52.0