82 lines
2.7 KiB
TypeScript
82 lines
2.7 KiB
TypeScript
import assert from "node:assert/strict";
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import test from "node:test";
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import { DbcTable } from "../src/dbc/table";
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import { DbcSchema } from "../src/dbc/types";
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const schema: DbcSchema = {
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name: "Synthetic",
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build: 12340,
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recordSize: 12,
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columns: [
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{ name: "ID", kind: "int", bits: 32, offset: 0, isId: true },
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{ name: "Scale", kind: "float", bits: 32, offset: 4 },
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{ name: "Name", kind: "string", bits: 32, offset: 8 }
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]
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};
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test("reads, edits and writes WDBC records and strings", () => {
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const table = new DbcTable(makeFixture(), schema);
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assert.equal(table.header.recordCount, 2);
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assert.equal(table.getCell(0, 0), "1");
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assert.equal(table.getCell(0, 1), "1.5");
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assert.equal(table.getCell(0, 2), "hello");
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assert.equal(table.getCell(1, 2), "world");
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table.setCell(0, 1, "2.25");
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table.setCell(0, 2, "Привет");
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table.setCell(1, 0, "42");
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const reparsed = new DbcTable(table.serialize(), schema);
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assert.equal(reparsed.getCell(0, 1), "2.25");
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assert.equal(reparsed.getCell(0, 2), "Привет");
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assert.equal(reparsed.getCell(1, 0), "42");
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assert.equal(reparsed.getCell(1, 2), "world");
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});
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test("adds, duplicates and deletes rows with unique generated IDs", () => {
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const table = new DbcTable(makeFixture(), schema);
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const added = table.appendRow();
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assert.equal(added, 2);
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assert.equal(table.getCell(added, 0), "3");
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assert.equal(table.getCell(added, 2), "");
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const duplicate = table.duplicateRow(0);
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assert.equal(duplicate, 1);
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assert.equal(table.getCell(duplicate, 0), "4");
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assert.equal(table.getCell(duplicate, 2), "hello");
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const removed = table.deleteRow(duplicate);
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assert.equal(table.rows.length, 3);
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table.insertRow(duplicate, removed);
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assert.equal(table.getCell(duplicate, 0), "4");
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const reparsed = new DbcTable(table.serialize(), schema);
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assert.equal(reparsed.header.recordCount, 4);
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});
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test("validates integer ranges and duplicate IDs", () => {
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const table = new DbcTable(makeFixture(), schema);
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assert.throws(() => table.setCell(0, 0, "2"), /already used/);
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assert.throws(() => table.setCell(0, 0, "2147483648"), /between/);
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assert.throws(() => table.setCell(0, 1, "not-a-float"), /floating-point/);
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});
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function makeFixture(): Uint8Array {
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const strings = Buffer.from("\0hello\0world\0", "utf8");
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const bytes = Buffer.alloc(20 + 24 + strings.length);
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bytes.write("WDBC", 0, "ascii");
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bytes.writeUInt32LE(2, 4);
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bytes.writeUInt32LE(3, 8);
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bytes.writeUInt32LE(12, 12);
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bytes.writeUInt32LE(strings.length, 16);
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bytes.writeInt32LE(1, 20);
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bytes.writeFloatLE(1.5, 24);
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bytes.writeUInt32LE(1, 28);
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bytes.writeInt32LE(2, 32);
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bytes.writeFloatLE(-3.25, 36);
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bytes.writeUInt32LE(7, 40);
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strings.copy(bytes, 44);
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return bytes;
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}
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