Add search filter unit tests

tests/unit/searchFilters.test.mjs

@@ -0,0 +1,117 @@
+import assert from "node:assert/strict";
+import { test } from "node:test";
+
+import {
+  parseFilterQuery,
+  serializeFiltersToQuery,
+} from "../../js/search/searchFilters.js";
+import { buildVideoSearchFilterMatcher } from "../../js/search/searchFilterMatchers.js";
+
+test("parseFilterQuery collects filters and text tokens", () => {
+  const parsed = parseFilterQuery(
+    "author:abc123 tag:#news duration:<=5m has:magnet nsfw:false hello world",
+  );
+
+  assert.deepEqual(parsed.filters.authorPubkeys, ["abc123"]);
+  assert.deepEqual(parsed.filters.tags, ["news"]);
+  assert.equal(parsed.filters.duration.maxSeconds, 300);
+  assert.equal(parsed.filters.hasMagnet, true);
+  assert.equal(parsed.filters.nsfw, "false");
+  assert.equal(parsed.text, "hello world");
+  assert.equal(parsed.errors.length, 0);
+});
+
+test("serializeFiltersToQuery emits filter tokens in order", () => {
+  const serialized = serializeFiltersToQuery({
+    authorPubkeys: ["npub123"],
+    tags: ["clips"],
+    kind: 30078,
+    relay: "wss://relay.example",
+    dateRange: { after: null, before: null },
+    duration: { minSeconds: 60, maxSeconds: 120 },
+    hasMagnet: true,
+    hasUrl: true,
+    nsfw: "false",
+  });
+
+  assert.equal(
+    serialized,
+    "author:npub123 tag:clips kind:30078 relay:wss://relay.example duration:>=1m duration:<=2m has:magnet has:url nsfw:false",
+  );
+});
+
+test("video search filter matcher enforces tags, duration, and nsfw when allowed", () => {
+  const matcher = buildVideoSearchFilterMatcher(
+    {
+      tags: ["cats"],
+      duration: { minSeconds: 60, maxSeconds: 180 },
+      hasMagnet: true,
+      nsfw: "only",
+    },
+    { allowNsfw: true },
+  );
+
+  const videos = [
+    {
+      id: "a",
+      tags: [["t", "cats"]],
+      nip71: { duration: 120 },
+      magnet: "magnet:?xt=urn:btih:abc",
+      isNsfw: true,
+    },
+    {
+      id: "b",
+      tags: [["t", "cats"]],
+      nip71: { duration: 240 },
+      magnet: "magnet:?xt=urn:btih:def",
+      isNsfw: true,
+    },
+    {
+      id: "c",
+      tags: [["t", "dogs"]],
+      nip71: { duration: 120 },
+      magnet: "magnet:?xt=urn:btih:ghi",
+      isNsfw: true,
+    },
+    {
+      id: "d",
+      tags: [["t", "cats"]],
+      nip71: { duration: 120 },
+      magnet: "magnet:?xt=urn:btih:jkl",
+      isNsfw: false,
+    },
+    {
+      id: "e",
+      tags: [["t", "cats"]],
+      nip71: { duration: 120 },
+      url: "https://cdn.example/video.mp4",
+      isNsfw: true,
+    },
+  ];
+
+  const matches = videos.filter(matcher);
+
+  assert.deepEqual(
+    matches.map((video) => video.id),
+    ["a"],
+  );
+});
+
+test("video search filter matcher blocks nsfw when disallowed and requires url", () => {
+  const matcher = buildVideoSearchFilterMatcher(
+    { hasUrl: true, nsfw: "true" },
+    { allowNsfw: false },
+  );
+
+  const videos = [
+    { id: "a", url: "https://cdn.example/a.mp4", isNsfw: true },
+    { id: "b", url: "https://cdn.example/b.mp4", isNsfw: false },
+  ];
+
+  const matches = videos.filter(matcher);
+
+  assert.deepEqual(
+    matches.map((video) => video.id),
+    ["b"],
+  );
+});