v0.2.76

tests/connection_status.mjs

@@ -0,0 +1,32 @@
+import assert from "node:assert/strict";
+import { readFile } from "node:fs/promises";
+import test from "node:test";
+
+const connectionStateSource = await readFile(new URL("../static/js/connection-state.js", import.meta.url), "utf8");
+const connectionState = await import(`data:text/javascript;base64,${Buffer.from(connectionStateSource).toString("base64")}`);
+const {
+  CONNECTION_ERROR_AFTER_RECONNECT_ATTEMPTS,
+  reconnectStatus,
+} = connectionState;
+
+test("temporary reconnects remain reconnecting", () => {
+  for (let attempt = 0; attempt < CONNECTION_ERROR_AFTER_RECONNECT_ATTEMPTS; attempt += 1) {
+    assert.equal(reconnectStatus(attempt, true), "reconnecting");
+  }
+});
+
+test("persistent reconnect failures become an error while online", () => {
+  assert.equal(reconnectStatus(CONNECTION_ERROR_AFTER_RECONNECT_ATTEMPTS, true), "error");
+  assert.equal(reconnectStatus(CONNECTION_ERROR_AFTER_RECONNECT_ATTEMPTS + 10, true), "error");
+});
+
+test("offline devices stay in reconnecting state instead of a hard error", () => {
+  assert.equal(reconnectStatus(CONNECTION_ERROR_AFTER_RECONNECT_ATTEMPTS + 10, false), "reconnecting");
+});
+
+test("frontend exceptions do not overwrite the connection indicator", async () => {
+  const editorSource = await readFile(new URL("../static/js/note-editor.js", import.meta.url), "utf8");
+  assert.doesNotMatch(editorSource, /setStatus\([^\n]*Application error/);
+  assert.match(editorSource, /window\.addEventListener\("error", \(\) => notifyFrontendError\(\)\)/);
+  assert.match(editorSource, /window\.addEventListener\("unhandledrejection", \(\) => notifyFrontendError\(\)\)/);
+});