| 1 | // 🤖 Card schema contract tests: normalizeCard against every vector in |
| 2 | // test/event-vectors/cards.json (the same file LChatCore's CardVectorTests |
| 3 | // consumes). A failure here means the web renderer has drifted from the |
| 4 | // contract — fix the implementation, never the vector, unless the schema |
| 5 | // itself is deliberately changing on both platforms in one PR. |
| 6 | import { readFileSync } from "node:fs"; |
| 7 | import { normalizeCard, CARD_SCHEMA } from "../web/static/cards.js"; |
| 8 | |
| 9 | let failures = 0; |
| 10 | function check(name, cond, detail) { |
| 11 | if (cond) { |
| 12 | console.log("PASS ", name); |
| 13 | } else { |
| 14 | failures++; |
| 15 | console.error("FAIL ", name, detail ?? ""); |
| 16 | } |
| 17 | } |
| 18 | |
| 19 | // Canonical (sorted-key) stringify: the contract is about VALUES — JSON key |
| 20 | // order is an artifact of each language's object representation. |
| 21 | function canon(v) { |
| 22 | if (Array.isArray(v)) return "[" + v.map(canon).join(",") + "]"; |
| 23 | if (v && typeof v === "object") { |
| 24 | return "{" + Object.keys(v).sort().map((k) => JSON.stringify(k) + ":" + canon(v[k])).join(",") + "}"; |
| 25 | } |
| 26 | return JSON.stringify(v); |
| 27 | } |
| 28 | |
| 29 | const { schema, vectors } = JSON.parse(readFileSync(new URL("./event-vectors/cards.json", import.meta.url))); |
| 30 | check("vector file schema matches CARD_SCHEMA", schema === CARD_SCHEMA); |
| 31 | |
| 32 | for (const v of vectors) { |
| 33 | const got = normalizeCard(v.card); |
| 34 | const ok = canon(got) === canon(v.want); |
| 35 | check(v.name, ok, ok ? "" : `\n got ${canon(got)}\n want ${canon(v.want)}`); |
| 36 | } |
| 37 | |
| 38 | // Bounds behave as bounds: 33 top-level blocks is one too many. |
| 39 | const many = { schema: 1, blocks: Array.from({ length: 33 }, () => ({ b: "text", text: "x" })) }; |
| 40 | check("block cap fails closed", normalizeCard(many) === null); |
| 41 | const atCap = { schema: 1, blocks: Array.from({ length: 32 }, () => ({ b: "text", text: "x" })) }; |
| 42 | check("block cap is inclusive", normalizeCard(atCap) !== null); |
| 43 | |
| 44 | // Normalizing is idempotent: normalize(normalize(c)) === normalize(c). |
| 45 | for (const v of vectors) { |
| 46 | if (!v.want) continue; |
| 47 | const once = normalizeCard(v.card); |
| 48 | check(`idempotent: ${v.name}`, canon(normalizeCard(once)) === canon(once)); |
| 49 | } |
| 50 | |
| 51 | // The Swift test fixture must be a byte-identical copy of the canonical |
| 52 | // vectors — the bundled copy exists only because SwiftPM tests can't reach |
| 53 | // outside the package. Drift here means the native suite is pinning a stale |
| 54 | // contract: re-copy test/event-vectors/cards.json over the fixture. |
| 55 | const canonical = readFileSync(new URL("./event-vectors/cards.json", import.meta.url), "utf8"); |
| 56 | const fixture = readFileSync(new URL("../ios/LChatCore/Tests/LChatCoreTests/Fixtures/cards-vector.json", import.meta.url), "utf8"); |
| 57 | check("Swift fixture matches canonical vectors byte-for-byte", canonical === fixture); |
| 58 | |
| 59 | if (failures) { |
| 60 | console.error(`\n${failures} failure(s)`); |
| 61 | process.exit(1); |
| 62 | } |
| 63 | console.log("\nALL PASSED"); |
| 64 | |