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<!DOCTYPE html>
<html>
<head>
<title>GraphQL-SSE Protocol Test</title>
<style>
body { font-family: Arial, sans-serif; margin: 20px; }
.container { max-width: 800px; margin: 0 auto; }
.section { margin: 20px 0; padding: 15px; border: 1px solid #ddd; border-radius: 5px; }
.log { background: #f5f5f5; padding: 10px; font-family: monospace; white-space: pre-wrap; max-height: 200px; overflow-y: auto; }
button { padding: 10px 15px; margin: 5px; background: #007cba; color: white; border: none; border-radius: 3px; cursor: pointer; }
button:hover { background: #005a87; }
input, textarea { width: 100%; padding: 8px; margin: 5px 0; }
.status { padding: 10px; margin: 5px 0; border-radius: 3px; }
.status.success { background: #d4edda; color: #155724; }
.status.error { background: #f8d7da; color: #721c24; }
</style>
</head>
<body>
<div class="container">
<h1>GraphQL-SSE Protocol Test</h1>
<div class="section">
<h2>1. Single Connection Mode Test</h2>
<p>This tests the GraphQL-SSE protocol in single connection mode with reservations.</p>
<div>
<button onclick="makeReservation()">1. Make Reservation (PUT)</button>
<div id="reservationStatus" class="status"></div>
<div id="reservationLog" class="log"></div>
</div>
<div>
<button onclick="establishSSE()" disabled id="sseButton">2. Establish SSE Connection (GET)</button>
<button onclick="disconnectSSE()" disabled id="disconnectButton">Disconnect SSE</button>
<div id="sseStatus" class="status"></div>
<div id="sseLog" class="log"></div>
</div>
<div>
<button onclick="executeOperation()" disabled id="executeButton">3. Execute GraphQL Operation (POST)</button>
<div id="executeStatus" class="status"></div>
<div id="executeLog" class="log"></div>
</div>
<div>
<button onclick="stopOperation()" disabled id="stopButton">4. Stop Operation (DELETE)</button>
<div id="stopStatus" class="status"></div>
<div id="stopLog" class="log"></div>
</div>
</div>
<div class="section">
<h2>2. Distinct Connections Mode Test</h2>
<p>This tests the GraphQL-SSE protocol in distinct connections mode (direct SSE).</p>
<div>
<button onclick="testDistinctMode()">Execute with SSE Content-Type</button>
<div id="distinctStatus" class="status"></div>
<div id="distinctLog" class="log"></div>
</div>
</div>
<div class="section">
<h2>GraphQL Query</h2>
<textarea id="graphqlQuery" rows="6" placeholder="Enter your GraphQL subscription query">
subscription {
postUpdated(id: "394") {
id
title
status
content
date
modified
author {
node {
id
name
}
}
}
}</textarea>
<input type="text" id="operationId" placeholder="Operation ID (for single connection mode)" value="test-subscription-001">
</div>
</div>
<script>
let reservationToken = null;
let eventSource = null;
let currentOperationId = null;
function log(elementId, message) {
const element = document.getElementById(elementId);
element.textContent += new Date().toISOString() + ': ' + message + '\n';
element.scrollTop = element.scrollHeight;
}
function setStatus(elementId, message, isError = false) {
const element = document.getElementById(elementId);
element.textContent = message;
element.className = 'status ' + (isError ? 'error' : 'success');
}
async function makeReservation() {
try {
log('reservationLog', 'Making reservation request...');
const response = await fetch('/graphql/stream', {
method: 'PUT',
headers: {
'Content-Type': 'application/json'
}
});
if (response.ok) {
reservationToken = await response.text();
log('reservationLog', 'Reservation token: ' + reservationToken);
setStatus('reservationStatus', 'Reservation successful');
document.getElementById('sseButton').disabled = false;
} else {
const error = await response.text();
log('reservationLog', 'Error: ' + error);
setStatus('reservationStatus', 'Reservation failed', true);
}
} catch (error) {
log('reservationLog', 'Network error: ' + error.message);
setStatus('reservationStatus', 'Network error', true);
}
}
function establishSSE() {
if (!reservationToken) {
setStatus('sseStatus', 'No reservation token', true);
return;
}
try {
log('sseLog', 'Establishing SSE connection...');
eventSource = new EventSource('/graphql/stream?token=' + encodeURIComponent(reservationToken));
eventSource.onopen = function(event) {
log('sseLog', 'SSE connection opened');
setStatus('sseStatus', 'Connected');
document.getElementById('executeButton').disabled = false;
document.getElementById('stopButton').disabled = false;
document.getElementById('disconnectButton').disabled = false;
};
eventSource.addEventListener('test', function(event) {
log('sseLog', 'Received test event: ' + event.data);
setStatus('sseStatus', 'Test event received - connection working!');
});
eventSource.addEventListener('next', function(event) {
const data = JSON.parse(event.data);
const operationId = data.id;
const payload = data.payload;
log('sseLog', 'Received next event for operation: ' + operationId);
log('sseLog', 'Event data: ' + JSON.stringify(payload, null, 2));
// Check if this is a WordPress subscription event
if (operationId.startsWith('wordpress_subscription_')) {
setStatus('sseStatus', 'WordPress event received! Check log for details');
}
});
eventSource.addEventListener('complete', function(event) {
log('sseLog', 'Received complete event: ' + event.data);
});
eventSource.onerror = function(event) {
log('sseLog', 'SSE error occurred - checking readyState: ' + eventSource.readyState);
setStatus('sseStatus', 'Connection error (readyState: ' + eventSource.readyState + ')', true);
// Close the connection to prevent automatic reconnections
if (eventSource && eventSource.readyState !== EventSource.CLOSED) {
log('sseLog', 'Closing EventSource to prevent reconnection');
eventSource.close();
eventSource = null;
}
};
} catch (error) {
log('sseLog', 'Error establishing SSE: ' + error.message);
setStatus('sseStatus', 'Connection failed', true);
}
}
async function executeOperation() {
if (!reservationToken) {
setStatus('executeStatus', 'No reservation token', true);
return;
}
try {
const query = document.getElementById('graphqlQuery').value;
const operationId = document.getElementById('operationId').value;
currentOperationId = operationId;
log('executeLog', 'Executing GraphQL operation...');
const response = await fetch('/graphql/stream', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'X-GraphQL-Event-Stream-Token': reservationToken
},
body: JSON.stringify({
query: query,
extensions: {
operationId: operationId
}
})
});
const result = await response.text();
log('executeLog', 'Response (' + response.status + '): ' + result);
if (response.status === 202) {
setStatus('executeStatus', 'Operation accepted');
} else {
setStatus('executeStatus', 'Operation failed', true);
}
} catch (error) {
log('executeLog', 'Network error: ' + error.message);
setStatus('executeStatus', 'Network error', true);
}
}
async function stopOperation() {
if (!reservationToken || !currentOperationId) {
setStatus('stopStatus', 'No reservation token or operation ID', true);
return;
}
try {
log('stopLog', 'Stopping operation...');
const response = await fetch('/graphql/stream?operationId=' + encodeURIComponent(currentOperationId), {
method: 'DELETE',
headers: {
'X-GraphQL-Event-Stream-Token': reservationToken
}
});
const result = await response.text();
log('stopLog', 'Response (' + response.status + '): ' + result);
if (response.ok) {
setStatus('stopStatus', 'Operation stopped');
} else {
setStatus('stopStatus', 'Stop failed', true);
}
} catch (error) {
log('stopLog', 'Network error: ' + error.message);
setStatus('stopStatus', 'Network error', true);
}
}
async function testDistinctMode() {
try {
const query = document.getElementById('graphqlQuery').value;
log('distinctLog', 'Testing distinct connections mode...');
const response = await fetch('/graphql/stream', {
method: 'POST',
headers: {
'Content-Type': 'text/event-stream',
'Accept': 'text/event-stream'
},
body: JSON.stringify({
query: query
})
});
if (response.ok) {
setStatus('distinctStatus', 'Streaming...');
const reader = response.body.getReader();
const decoder = new TextDecoder();
while (true) {
const { done, value } = await reader.read();
if (done) break;
const chunk = decoder.decode(value);
log('distinctLog', 'Received: ' + chunk);
}
setStatus('distinctStatus', 'Stream completed');
} else {
const error = await response.text();
log('distinctLog', 'Error: ' + error);
setStatus('distinctStatus', 'Request failed', true);
}
} catch (error) {
log('distinctLog', 'Network error: ' + error.message);
setStatus('distinctStatus', 'Network error', true);
}
}
function disconnectSSE() {
if (eventSource) {
log('sseLog', 'Manually disconnecting SSE connection');
eventSource.close();
eventSource = null;
setStatus('sseStatus', 'Disconnected');
document.getElementById('executeButton').disabled = true;
document.getElementById('stopButton').disabled = true;
document.getElementById('disconnectButton').disabled = true;
}
}
</script>
</body>
</html>