diff --git a/test/proxy.test.ts b/test/proxy.test.ts
new file mode 100644
index 0000000000000000000000000000000000000000..defb99166635445f7be6d7e2cc7f579d82a0f167
--- /dev/null
+++ b/test/proxy.test.ts
@@ -0,0 +1,47 @@
+import * as integration from "./integration"
+import * as httpserver from "./httpserver"
+import * as express from "express"
+import * as assert from "assert"
+
+describe("proxy", () => {
+  let codeServer: httpserver.HttpServer | undefined
+  let nhooyrDevServer = new httpserver.HttpServer()
+  let proxyPath: string
+
+  before(async () => {
+    const e = express.default()
+    await nhooyrDevServer.listen(e)
+    e.get("/wsup", (req, res) => {
+      res.json("asher is the best")
+    })
+    proxyPath = `/proxy/${nhooyrDevServer.port()}/wsup`
+    e.get(proxyPath, (req, res) => {
+      res.json("joe is the best")
+    })
+  })
+
+  after(async () => {
+    await nhooyrDevServer.close()
+  })
+
+  afterEach(async () => {
+    if (codeServer) {
+      await codeServer.close()
+      codeServer = undefined
+    }
+  })
+
+  it("should rewrite the base path", async () => {
+    ;[,, codeServer,] = await integration.setup(["--auth=none"], "")
+    const resp = await codeServer.fetch(proxyPath)
+    assert.equal(resp.status, 200)
+    assert.equal(await resp.json(), "asher is the best")
+  })
+
+  it("should not rewrite the base path", async () => {
+    ;[,,codeServer,] = await integration.setup(["--auth=none", "--proxy-path-passthrough=true"], "")
+    const resp = await codeServer.fetch(proxyPath)
+    assert.equal(resp.status, 200)
+    assert.equal(await resp.json(), "joe is the best")
+  })
+})