feat: add RPCContext

__tests__/e2e/rpc-context.test.ts

@@ -0,0 +1,41 @@
+import { getRPCContext, RPCContextKey } from "@/core/RPCContext";
+import { RPCHandler, RPCSession } from "@/index"
+import { getRandomAvailablePort } from "@/utils/utils";
+
+describe('rpc-context.test', () => {
+    test('context.session', async () => {
+        const accessed = new WeakMap<RPCSession, string>();
+        const provider = {
+            login(name: string) {
+                const context = getRPCContext(this);
+                if (!context) {
+                    throw new Error('context is null');
+                }
+
+                accessed.set(context.session, name);
+                return name;
+            },
+            me() {
+                const context = getRPCContext(this);
+                if (!context) {
+                    throw new Error('context is null');
+                }
+
+                return accessed.get(context.session) || 'unknown user';
+            },
+        }
+
+        const server = new RPCHandler();
+        const client = new RPCHandler();
+
+        server.setProvider(provider);
+        const port = await getRandomAvailablePort();
+        await server.listen({ port });
+
+        const session = await client.connect({ url: `http://localhost:${port}` });
+        const api = session.getAPI<typeof provider>();
+        const clientname = 'clientname';
+        await expect(api.login(clientname)).resolves.toBe(clientname);
+        await expect(api.me()).resolves.toBe(clientname);
+    })
+})