From f268d9e0543e4fd0c2e74a60166287a71109a57e Mon Sep 17 00:00:00 2001
From: Jonas Gloning <34194370+jonasgloning@users.noreply.github.com>
Date: Sat, 26 Aug 2023 23:04:19 +0200
Subject: [PATCH] test(e2e): "peer-unavailable"

---
 e2e/peer/peer-unavailable.html | 43 ++++++++++++++++++++++++++++++++++
 e2e/peer/peer.spec.ts          |  5 ++++
 2 files changed, 48 insertions(+)
 create mode 100644 e2e/peer/peer-unavailable.html
diff --git a/e2e/peer/peer-unavailable.html b/e2e/peer/peer-unavailable.html
new file mode 100644
index 000000000..cacf82296
--- /dev/null
+++ b/e2e/peer/peer-unavailable.html
@@ -0,0 +1,43 @@
+<!doctype html>
+<html lang="en">
+	<head>
+		<meta charset="UTF-8" />
+		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
+		<title></title>
+		<link rel="stylesheet" href="../style.css" />
+	</head>
+	<body>
+		<h1>PEER-UNAVAILABLE</h1>
+		<div id="messages"></div>
+		<div id="error-message"></div>
+		<script src="/dist/peerjs.js"></script>
+		<script type="application/javascript">
+			/**
+			 * @type {typeof import("../..").Peer}
+			 */
+			const Peer = window.peerjs.Peer;
+
+			const connectionErrors = document.getElementById("messages");
+			const peerErrors = document.getElementById("error-message");
+
+			const not_existing_peer = crypto
+				.getRandomValues(new Uint8Array(16))
+				.join("");
+
+			const peer = new Peer();
+			peer
+				.once(
+					"error",
+					(error) => void (peerErrors.textContent += JSON.stringify(error)),
+				)
+				.once("open", (id) => {
+					const connection = peer.connect(not_existing_peer);
+					connection.once(
+						"error",
+						(error) =>
+							void (connectionErrors.textContent += JSON.stringify(error)),
+					);
+				});
+		</script>
+	</body>
+</html>
diff --git a/e2e/peer/peer.spec.ts b/e2e/peer/peer.spec.ts
index 7545a23ce..b593a3800 100644
--- a/e2e/peer/peer.spec.ts
+++ b/e2e/peer/peer.spec.ts
@@ -17,4 +17,9 @@ describe("Peer", () => {
 		await P.waitForMessage('{"type":"disconnected"}');
 		expect(await P.errorMessage.getText()).toBe("");
 	});
+	it("should emit an error, when the remote peer is unavailable", async () => {
+		await P.open("peer-unavailable");
+		await P.waitForMessage('{"type":"peer-unavailable"}');
+		expect(await P.errorMessage.getText()).toBe('{"type":"peer-unavailable"}');
+	});
 });
