forked from farhoodlabs/paperclip
Dotta
74 lines
2.4 KiB
TypeScript
74 lines
2.4 KiB
TypeScript
// @vitest-environment node
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import { describe, expect, it } from "vitest";
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import { createZipArchive, readZipArchive } from "./zip";
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function readUint16(bytes: Uint8Array, offset: number) {
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return bytes[offset]! | (bytes[offset + 1]! << 8);
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}
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function readUint32(bytes: Uint8Array, offset: number) {
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return (
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bytes[offset]! |
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(bytes[offset + 1]! << 8) |
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(bytes[offset + 2]! << 16) |
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(bytes[offset + 3]! << 24)
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) >>> 0;
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}
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function readString(bytes: Uint8Array, offset: number, length: number) {
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return new TextDecoder().decode(bytes.slice(offset, offset + length));
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}
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describe("createZipArchive", () => {
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it("writes a zip archive with the export root path prefixed into each entry", () => {
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const archive = createZipArchive(
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{
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"COMPANY.md": "# Company\n",
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"agents/ceo/AGENTS.md": "# CEO\n",
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},
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"paperclip-demo",
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);
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expect(readUint32(archive, 0)).toBe(0x04034b50);
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const firstNameLength = readUint16(archive, 26);
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const firstBodyLength = readUint32(archive, 18);
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expect(readString(archive, 30, firstNameLength)).toBe("paperclip-demo/agents/ceo/AGENTS.md");
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expect(readString(archive, 30 + firstNameLength, firstBodyLength)).toBe("# CEO\n");
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const secondOffset = 30 + firstNameLength + firstBodyLength;
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expect(readUint32(archive, secondOffset)).toBe(0x04034b50);
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const secondNameLength = readUint16(archive, secondOffset + 26);
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const secondBodyLength = readUint32(archive, secondOffset + 18);
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expect(readString(archive, secondOffset + 30, secondNameLength)).toBe("paperclip-demo/COMPANY.md");
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expect(readString(archive, secondOffset + 30 + secondNameLength, secondBodyLength)).toBe("# Company\n");
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const endOffset = archive.length - 22;
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expect(readUint32(archive, endOffset)).toBe(0x06054b50);
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expect(readUint16(archive, endOffset + 8)).toBe(2);
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expect(readUint16(archive, endOffset + 10)).toBe(2);
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});
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it("reads a Paperclip zip archive back into rootPath and file contents", () => {
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const archive = createZipArchive(
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{
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"COMPANY.md": "# Company\n",
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"agents/ceo/AGENTS.md": "# CEO\n",
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".paperclip.yaml": "schema: paperclip/v1\n",
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},
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"paperclip-demo",
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);
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expect(readZipArchive(archive)).toEqual({
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rootPath: "paperclip-demo",
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files: {
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"COMPANY.md": "# Company\n",
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"agents/ceo/AGENTS.md": "# CEO\n",
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".paperclip.yaml": "schema: paperclip/v1\n",
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},
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});
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});
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});
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