40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
import test from "node:test";
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import assert from "node:assert/strict";
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import { applyMessageReadReceipt } from "./messages/messageReadState.js";
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const reader = { id: 8, name: "Reader User", avatar: "/avatar.jpg" };
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test("read receipt adds the reader to eligible messages up to the watermark", () => {
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const messages = [
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{ id: 10, author_id: 3, content: "First" },
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{ id: 11, author_id: 4, content: "Second", is_read: true, read_by: [{ id: 6, name: "Earlier Reader" }] },
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{ id: 12, author_id: 3, content: "Later" },
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];
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const result = applyMessageReadReceipt(messages, 11, reader);
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assert.deepEqual(result[0].read_by, [reader]);
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assert.equal(result[0].read_count, 1);
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assert.equal(result[0].is_read, true);
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assert.deepEqual(result[1].read_by, [
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{ id: 6, name: "Earlier Reader" },
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reader,
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]);
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assert.equal(result[1].read_count, 2);
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assert.equal(result[2], messages[2]);
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});
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test("read receipt excludes the reader's own messages and is idempotent", () => {
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const messages = [
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{ id: 10, author_id: reader.id, content: "Own" },
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{ id: 11, author_id: 3, content: "Read", read_by: [reader], read_count: 1 },
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];
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const result = applyMessageReadReceipt(messages, 11, reader);
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assert.equal(result, messages);
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assert.equal(result[0].read_by, undefined);
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assert.equal(result[1].read_count, 1);
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});
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