snapshot of https://github.com/zulip/zulip.git @ 48c69911c7dd4e03b20552eb3bd77ad8151c1357 (2026-09-15)

web/tests/resolved_topic.test.cjs

@@ -0,0 +1,56 @@
+"use strict";
+
+const assert = require("node:assert/strict");
+
+const {zrequire} = require("./lib/namespace.cjs");
+const {run_test} = require("./lib/test.cjs");
+
+const resolved_topic = zrequire("resolved_topic");
+
+const topic_name = "asdf";
+const resolved_name = "✔ " + topic_name;
+const overresolved_name = "✔ ✔✔ " + topic_name;
+const pseudoresolved_name = "✔" + topic_name; // check mark, but no space
+const names = [topic_name, resolved_name, overresolved_name, pseudoresolved_name];
+
+run_test("is_resolved", () => {
+    assert.ok(!resolved_topic.is_resolved(topic_name));
+    assert.ok(resolved_topic.is_resolved(resolved_name));
+    assert.ok(resolved_topic.is_resolved(overresolved_name));
+    assert.ok(!resolved_topic.is_resolved(pseudoresolved_name));
+});
+
+run_test("resolve_name", () => {
+    assert.equal(resolved_topic.resolve_name(topic_name), resolved_name);
+
+    for (const name of names) {
+        assert.notEqual(resolved_topic.resolve_name(name), name);
+    }
+});
+
+run_test("unresolve_name", () => {
+    assert.equal(resolved_topic.unresolve_name(topic_name), topic_name);
+    assert.equal(resolved_topic.unresolve_name(resolved_name), topic_name);
+    assert.equal(resolved_topic.unresolve_name(overresolved_name), topic_name);
+    assert.equal(resolved_topic.unresolve_name(pseudoresolved_name), pseudoresolved_name);
+});
+
+run_test("display_parts", () => {
+    const results = [];
+    for (const name of names) {
+        const [prefix, display_name] = resolved_topic.display_parts(name);
+
+        // The parts always partition the input name.
+        assert.equal(prefix + display_name, name);
+
+        // The prefix is always the canonical prefix, or empty…
+        assert.ok(prefix === "" || prefix === resolved_topic.RESOLVED_TOPIC_PREFIX);
+        // … and which one is determined by is_resolved.
+        assert.equal(Boolean(prefix), resolved_topic.is_resolved(name));
+
+        // The parts, together, differ from those of any other input.
+        // (Yes, this is quadratic.  Keep the list of test data nice and short.)
+        assert.ok(results.every(([p, d]) => p !== prefix || d !== display_name));
+        results.push([prefix, display_name]);
+    }
+});