diff --git a/app/tests/unit/socket.spec.ts b/app/tests/unit/socket.spec.ts
index 51aabbd..b9ceb6b 100644
--- a/app/tests/unit/socket.spec.ts
+++ b/app/tests/unit/socket.spec.ts
@@ -1,7 +1,7 @@
 import { describe, it, expect, beforeEach, afterEach } from 'vitest'
 import { WebSocketServer } from 'ws'
 import { socket } from '../../src/lib/stores/socket'
-import { IMUData, RSSIData, WebsocketMessage } from '../../src/lib/platform_shared/websocket_message'
+import { IMUData, RSSIData, WebsocketMessage, WebsocketMessage } from '../../src/lib/platform_shared/websocket_message'
 
 // Helper function to create encoded WebSocket messages
 function createEncodedMessage(messageType: 'imu' | 'rssi' | 'mode', data: any): Uint8Array {
@@ -90,6 +90,103 @@ describe.sequential('WebSocket Integration Tests', () => {
 		unsubscribe()
 	})
 
+	it('should send IMU data from client to server using sendEvent', async () => {
+		let serverReceivedData: any = null
+
+		// Connect socket
+		socket.init(`ws://localhost:${TEST_PORT}`)
+
+		// Wait for client to connect and send data
+		await new Promise<void>((resolve, reject) => {
+			const timeout = setTimeout(() => {
+				reject(new Error('Test timeout - server did not receive message'))
+			}, 3000)
+
+			wss.on('connection', (ws) => {
+				// console.log('Server: Client connected')
+
+				// Server listens for messages from client
+				ws.on('message', (data: Buffer) => {
+					// console.log('Server: Received message, length:', data.length)
+
+					// Skip empty messages (from ping, etc.)
+					if (data.length === 0) {
+						console.log('Server: Skipping empty message (Probably a ping')
+						return
+					}
+
+					try {
+						// Decode the protobuf message
+						const decoded = WebsocketMessage.decode(new Uint8Array(data))
+						// console.log('Server: Decoded message:', JSON.stringify(decoded, null, 2))
+
+						// Only resolve if we got actual IMU data
+						if (decoded.imu) {
+							serverReceivedData = decoded
+							clearTimeout(timeout)
+							resolve()
+						} else {
+							// console.log('Server: Message decoded but no IMU data, waiting...')
+						}
+					} catch (error) {
+						console.error('Server: Failed to decode:', error)
+						clearTimeout(timeout)
+						reject(error)
+					}
+				})
+			})
+
+			// Wait for WebSocket to be fully connected
+			setTimeout(() => {
+				console.log('Client: Sending IMU data...')
+				// Client sends IMU data to server
+				const imuData = {
+					x: 3,
+					y: 2,
+					z: 1,
+					temp: 22
+				}
+				socket.sendEvent(IMUData, imuData)
+				console.log('Client: sendEvent called')
+			}, 150)
+		})
+
+		// Verify server received the data
+		expect(serverReceivedData).toBeDefined()
+		expect(serverReceivedData?.imu).toBeDefined()
+		expect(serverReceivedData?.imu?.x).toBe(3)
+		expect(serverReceivedData?.imu?.y).toBe(2)
+		expect(serverReceivedData?.imu?.z).toBe(1)
+		expect(serverReceivedData?.imu?.temp).toBe(22)
+	})
+
+
+	it('should fail to serialize data on sendEvent', async () => {
+		// Connect socket
+		socket.init(`ws://localhost:${TEST_PORT}`)
+
+		await new Promise<void>((resolve, reject) => {
+			const timeout = setTimeout(() => {
+				reject(new Error('Test timeout'))
+			}, 1000)
+
+			// Wait for WebSocket to be fully connected
+			setTimeout(() => {
+				console.log('Client: Sending invalid message type...')
+				// Send any invalid message type
+				const wsm = WebsocketMessage.create()
+				try {
+					socket.sendEvent(WebsocketMessage as any, wsm)
+					clearTimeout(timeout)
+					reject(new Error('Expected sendEvent to throw, but it did not'))
+				} catch (e) {
+					console.log('Client: sendEvent correctly threw error:', e)
+					clearTimeout(timeout)
+					resolve()
+				}
+			}, 150)
+		})
+	})
 })
 
 describe('WebsocketMessage Protobuf Encoding/Decoding', () => {