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Add failing tests for custom endpoints #439

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4 changes: 2 additions & 2 deletions package-lock.json
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153 changes: 109 additions & 44 deletions src/client/sse.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,71 @@ describe("SSEClientTransport", () => {
});

describe("connection handling", () => {
it("maintains custom path when constructing endpoint URL", async () => {
// Create a URL with a custom path
const customPathUrl = new URL("/custom/path/sse", baseUrl);
transport = new SSEClientTransport(customPathUrl);

// Start the transport
await transport.start();

// Send a test message to verify the endpoint URL
const message: JSONRPCMessage = {
jsonrpc: "2.0",
id: "test-1",
method: "test",
params: {}
};

await transport.send(message);

// Verify the POST request maintains the custom path
expect(lastServerRequest.url).toBe("/custom/path/messages");
});

it("handles multiple levels of custom paths", async () => {
// Test with a deeper nested path
const nestedPathUrl = new URL("/api/v1/custom/deep/path/sse", baseUrl);
transport = new SSEClientTransport(nestedPathUrl);

await transport.start();

const message: JSONRPCMessage = {
jsonrpc: "2.0",
id: "test-1",
method: "test",
params: {}
};

await transport.send(message);

// Verify the POST request maintains the full custom path
expect(lastServerRequest.url).toBe("/api/v1/custom/deep/path/messages");
});

it("maintains custom path for SSE connection", async () => {
const customPathUrl = new URL("/custom/path/sse", baseUrl);
transport = new SSEClientTransport(customPathUrl);
await transport.start();
expect(lastServerRequest.url).toBe("/custom/path/sse");
});

it("handles URLs with query parameters", async () => {
const urlWithQuery = new URL("/custom/path/sse?param=value", baseUrl);
transport = new SSEClientTransport(urlWithQuery);
await transport.start();

const message: JSONRPCMessage = {
jsonrpc: "2.0",
id: "test-1",
method: "test",
params: {}
};

await transport.send(message);
expect(lastServerRequest.url).toBe("/custom/path/messages");
});

it("establishes SSE connection and receives endpoint", async () => {
transport = new SSEClientTransport(baseUrl);
await transport.start();
Expand Down Expand Up @@ -397,18 +462,18 @@ describe("SSEClientTransport", () => {
return;
}

res.writeHead(200, {
"Content-Type": "text/event-stream",
"Cache-Control": "no-cache, no-transform",
Connection: "keep-alive",
});
res.write("event: endpoint\n");
res.write(`data: ${baseUrl.href}\n\n`);
res.writeHead(200, {
"Content-Type": "text/event-stream",
"Cache-Control": "no-cache, no-transform",
Connection: "keep-alive",
});
res.write("event: endpoint\n");
res.write(`data: ${baseUrl.href}\n\n`);
break;

case "POST":
res.writeHead(401);
res.end();
res.writeHead(401);
res.end();
break;
}
});
Expand Down Expand Up @@ -517,25 +582,25 @@ describe("SSEClientTransport", () => {
return;
}

const auth = req.headers.authorization;
if (auth === "Bearer expired-token") {
res.writeHead(401).end();
return;
}
const auth = req.headers.authorization;
if (auth === "Bearer expired-token") {
res.writeHead(401).end();
return;
}

if (auth === "Bearer new-token") {
res.writeHead(200, {
"Content-Type": "text/event-stream",
"Cache-Control": "no-cache, no-transform",
Connection: "keep-alive",
});
res.write("event: endpoint\n");
res.write(`data: ${baseUrl.href}\n\n`);
connectionAttempts++;
return;
}
if (auth === "Bearer new-token") {
res.writeHead(200, {
"Content-Type": "text/event-stream",
"Cache-Control": "no-cache, no-transform",
Connection: "keep-alive",
});
res.write("event: endpoint\n");
res.write(`data: ${baseUrl.href}\n\n`);
connectionAttempts++;
return;
}

res.writeHead(401).end();
res.writeHead(401).end();
});

await new Promise<void>(resolve => {
Expand Down Expand Up @@ -610,13 +675,13 @@ describe("SSEClientTransport", () => {
return;
}

res.writeHead(200, {
"Content-Type": "text/event-stream",
"Cache-Control": "no-cache, no-transform",
Connection: "keep-alive",
});
res.write("event: endpoint\n");
res.write(`data: ${baseUrl.href}\n\n`);
res.writeHead(200, {
"Content-Type": "text/event-stream",
"Cache-Control": "no-cache, no-transform",
Connection: "keep-alive",
});
res.write("event: endpoint\n");
res.write(`data: ${baseUrl.href}\n\n`);
break;

case "POST": {
Expand All @@ -625,19 +690,19 @@ describe("SSEClientTransport", () => {
return;
}

const auth = req.headers.authorization;
if (auth === "Bearer expired-token") {
res.writeHead(401).end();
return;
}
const auth = req.headers.authorization;
if (auth === "Bearer expired-token") {
res.writeHead(401).end();
return;
}

if (auth === "Bearer new-token") {
res.writeHead(200).end();
postAttempts++;
return;
}
if (auth === "Bearer new-token") {
res.writeHead(200).end();
postAttempts++;
return;
}

res.writeHead(401).end();
res.writeHead(401).end();
break;
}
}
Expand Down
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