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import { describe, expect, test } from "bun:test";
import { zipSync, strToU8 } from "fflate";
import {
MEDIA_MANIFEST_ENTRY,
PROJECT_JSON_ENTRY,
ProjectArchiveError,
buildMediaEntryName,
buildProjectArchive,
parseProjectArchive,
sanitizeFileName,
} from "../container";
const projectJson = JSON.stringify({
version: 31,
metadata: {
id: "project-1",
name: "Demo",
createdAt: "2024-06-01T10:00:00.000Z",
updatedAt: "2024-06-01T14:00:00.000Z",
},
scenes: [],
currentSceneId: "scene-1",
settings: { fps: 30 },
});
function buildMediaInputs() {
return [
{
metadata: {
id: "media-1",
name: "clip one.mp4",
mediaType: "video" as const,
fileType: "video/mp4",
lastModified: 1_700_000_000_000,
width: 1920,
height: 1080,
duration: 3.5,
},
data: new Uint8Array([1, 2, 3, 4, 5]),
},
{
metadata: {
id: "media-2",
name: "picturé/odd:name.png",
mediaType: "image" as const,
fileType: "image/png",
lastModified: 1_700_000_000_001,
thumbnailUrl: "data:image/png;base64,abc",
},
data: new Uint8Array([9, 8, 7]),
},
];
}
describe("sanitizeFileName", () => {
test("replaces unsafe characters and keeps the result stable", () => {
expect(sanitizeFileName({ name: "my clip.mp4" })).toBe("my_clip.mp4");
expect(sanitizeFileName({ name: "a/b\\c:d" })).toBe("a_b_c_d");
expect(sanitizeFileName({ name: "picturé.png" })).toBe("pictur_.png");
});
test("falls back for empty or dot-only names", () => {
expect(sanitizeFileName({ name: " " })).toBe("file");
expect(sanitizeFileName({ name: "..." })).toBe("file");
});
});
describe("buildMediaEntryName", () => {
test("prefixes the asset id and sanitizes the name", () => {
expect(buildMediaEntryName({ assetId: "abc", name: "my clip.mp4" })).toBe(
"media/abc-my_clip.mp4",
);
});
});
describe("buildProjectArchive + parseProjectArchive", () => {
test("round-trips project document, manifest, and media bytes", () => {
const media = buildMediaInputs();
const archive = buildProjectArchive({ projectJson, media });
const parsed = parseProjectArchive({ archive });
expect(JSON.parse(JSON.stringify(parsed.project))).toEqual(
JSON.parse(projectJson),
);
expect(parsed.media).toHaveLength(2);
const [first, second] = parsed.media;
expect(first).toMatchObject({
id: "media-1",
name: "clip one.mp4",
mediaType: "video",
fileType: "video/mp4",
lastModified: 1_700_000_000_000,
width: 1920,
height: 1080,
duration: 3.5,
entry: "media/media-1-clip_one.mp4",
});
expect(second).toMatchObject({
id: "media-2",
name: "picturé/odd:name.png",
mediaType: "image",
fileType: "image/png",
thumbnailUrl: "data:image/png;base64,abc",
});
expect([...parsed.readMediaData({ entry: first.entry })]).toEqual([
1, 2, 3, 4, 5,
]);
expect([...parsed.readMediaData({ entry: second.entry })]).toEqual([9, 8, 7]);
});
test("supports archives without media", () => {
const archive = buildProjectArchive({ projectJson, media: [] });
const parsed = parseProjectArchive({ archive });
expect(parsed.media).toEqual([]);
});
});
describe("parseProjectArchive validation", () => {
test("rejects non-zip data", () => {
expect(() =>
parseProjectArchive({ archive: new Uint8Array([1, 2, 3]) }),
).toThrow(ProjectArchiveError);
});
test("rejects archives without project.json", () => {
const archive = zipSync({ "other.txt": strToU8("hello") });
expect(() => parseProjectArchive({ archive })).toThrow(/project\.json/);
});
test("rejects invalid project.json", () => {
const archive = zipSync({
[PROJECT_JSON_ENTRY]: strToU8("not json{"),
});
expect(() => parseProjectArchive({ archive })).toThrow(/not valid JSON/);
});
test("rejects non-object project.json", () => {
const archive = zipSync({ [PROJECT_JSON_ENTRY]: strToU8("[1,2,3]") });
expect(() => parseProjectArchive({ archive })).toThrow(/not a project/);
});
test("rejects media entries without a manifest", () => {
const archive = zipSync({
[PROJECT_JSON_ENTRY]: strToU8(projectJson),
"media/media-1-clip.mp4": new Uint8Array([1]),
});
expect(() => parseProjectArchive({ archive })).toThrow(/manifest/);
});
test("rejects manifest entries whose media file is missing", () => {
const archive = zipSync({
[PROJECT_JSON_ENTRY]: strToU8(projectJson),
[MEDIA_MANIFEST_ENTRY]: strToU8(
JSON.stringify({
version: 1,
media: [
{
id: "media-1",
name: "clip.mp4",
entry: "media/media-1-clip.mp4",
mediaType: "video",
fileType: "video/mp4",
lastModified: 1,
},
],
}),
),
});
expect(() => parseProjectArchive({ archive })).toThrow(/is missing/);
});
test("rejects manifest entries with paths outside media/", () => {
const archive = zipSync({
[PROJECT_JSON_ENTRY]: strToU8(projectJson),
[MEDIA_MANIFEST_ENTRY]: strToU8(
JSON.stringify({
version: 1,
media: [
{
id: "media-1",
name: "evil",
entry: "../evil",
mediaType: "video",
fileType: "video/mp4",
lastModified: 1,
},
],
}),
),
"media/placeholder": new Uint8Array([1]),
});
expect(() => parseProjectArchive({ archive })).toThrow(/invalid file path/);
});
test("readMediaData throws for unknown entries", () => {
const archive = buildProjectArchive({ projectJson, media: [] });
const parsed = parseProjectArchive({ archive });
expect(() => parsed.readMediaData({ entry: "media/nope" })).toThrow(
ProjectArchiveError,
);
});
});
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