dbx/packages/app-tests/binaryCellDownload.test.ts

59 lines
2.3 KiB
TypeScript

import assert from "node:assert/strict";
import test from "node:test";
import {
binaryCellDownloadFileName,
binaryCellDownloadPayload,
canDownloadBinaryCellValue,
isBinaryCellColumnType,
parseBinaryCellHexValue,
} from "../../apps/desktop/src/lib/binaryCellDownload.ts";
test("parseBinaryCellHexValue accepts 0x and \\x prefixed hex values", () => {
assert.deepEqual(Array.from(parseBinaryCellHexValue("0X48656c6c6f") ?? []), [72, 101, 108, 108, 111]);
assert.deepEqual(Array.from(parseBinaryCellHexValue("\\x00 ff") ?? []), [0, 255]);
});
test("parseBinaryCellHexValue rejects non-hex and odd-length payloads", () => {
assert.equal(parseBinaryCellHexValue("hello"), null);
assert.equal(parseBinaryCellHexValue("0x123"), null);
assert.equal(parseBinaryCellHexValue(null), null);
});
test("binary cell download detects common blob column types", () => {
assert.equal(isBinaryCellColumnType("BLOB"), true);
assert.equal(isBinaryCellColumnType("RAW(2000)"), true);
assert.equal(isBinaryCellColumnType("long raw"), true);
assert.equal(isBinaryCellColumnType("varchar"), false);
});
test("canDownloadBinaryCellValue allows displayed binary hex strings", () => {
assert.equal(canDownloadBinaryCellValue("0x89504e47", "BLOB"), true);
assert.equal(canDownloadBinaryCellValue("0x89504e47"), true);
assert.equal(canDownloadBinaryCellValue("89504e47", "BLOB"), false);
});
test("binaryCellDownloadPayload builds raw and decoded payloads", () => {
const binary = binaryCellDownloadPayload("0x4869", "binary");
assert.equal(binary.mimeType, "application/octet-stream");
assert.equal(binary.extension, "bin");
assert.deepEqual(Array.from(binary.data as Uint8Array), [72, 105]);
const text = binaryCellDownloadPayload("0x4869", "utf8");
assert.equal(text.mimeType, "text/plain;charset=utf-8");
assert.equal(text.extension, "txt");
assert.equal(text.data, "Hi");
});
test("binaryCellDownloadPayload decodes GBK text bytes", () => {
const payload = binaryCellDownloadPayload("0xd6d0cec4", "gbk");
assert.equal(payload.data, "中文");
});
test("binaryCellDownloadFileName sanitizes column names", () => {
assert.equal(
binaryCellDownloadFileName({ column: "avatar/blob", rowNumber: 7, mode: "gbk", extension: "txt" }),
"avatar-blob-row-7-gbk.txt",
);
});