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import { describe, expect, test } from "bun:test";
import type { ProjectRecord } from "@/services/storage/migrations/transformers/types";
import {
collectReferencedMediaIds,
remapProjectMediaIds,
resolveImportedProjectName,
} from "../remap";
function buildProject(): ProjectRecord {
return {
version: 31,
metadata: { id: "project-1", name: "Demo" },
currentSceneId: "scene-1",
scenes: [
{
id: "scene-1",
tracks: {
main: {
id: "track-main",
elements: [
{ id: "el-video", type: "video", mediaId: "media-video" },
{ id: "el-image", type: "image", mediaId: "media-image" },
],
},
overlay: [
{
id: "track-text",
elements: [{ id: "el-text", type: "text", content: "hello" }],
},
],
audio: [
{
id: "track-audio",
elements: [
{
id: "el-upload",
type: "audio",
sourceType: "upload",
mediaId: "media-audio",
},
{
id: "el-library",
type: "audio",
sourceType: "library",
sourceUrl: "https://example.com/sound.mp3",
},
{
id: "el-shared",
type: "audio",
sourceType: "upload",
mediaId: "media-video",
},
],
},
],
},
},
{
id: "scene-2",
tracks: {
main: {
id: "track-main-2",
elements: [
{ id: "el-video-2", type: "video", mediaId: "media-video-2" },
],
},
overlay: [],
audio: [],
},
},
],
};
}
describe("collectReferencedMediaIds", () => {
test("collects media ids across scenes and track groups, deduplicated", () => {
const ids = collectReferencedMediaIds({ project: buildProject() });
expect(ids.sort()).toEqual([
"media-audio",
"media-image",
"media-video",
"media-video-2",
]);
});
test("tolerates malformed shapes", () => {
expect(collectReferencedMediaIds({ project: null })).toEqual([]);
expect(collectReferencedMediaIds({ project: { scenes: "nope" } })).toEqual(
[],
);
expect(
collectReferencedMediaIds({
project: { scenes: [{ tracks: { main: { elements: "nope" } } }] },
}),
).toEqual([]);
});
});
describe("remapProjectMediaIds", () => {
test("replaces mapped ids only, across every track group", () => {
const project = buildProject();
const idMap = new Map([
["media-video", "new-video"],
["media-image", "new-image"],
["media-audio", "new-audio"],
]);
const remapped = remapProjectMediaIds({ project, idMap });
const collected = collectReferencedMediaIds({ project: remapped });
expect(collected.sort()).toEqual([
"media-video-2",
"new-audio",
"new-image",
"new-video",
]);
// The shared media id is remapped in every referencing element.
const scenes = remapped.scenes;
expect(JSON.stringify(scenes)).not.toContain("media-video\"");
expect(JSON.stringify(scenes)).toContain("new-video");
});
test("does not mutate the input document", () => {
const project = buildProject();
const before = JSON.stringify(project);
remapProjectMediaIds({
project,
idMap: new Map([["media-video", "new-video"]]),
});
expect(JSON.stringify(project)).toBe(before);
});
test("returns the input unchanged when the map is empty", () => {
const project = buildProject();
expect(remapProjectMediaIds({ project, idMap: new Map() })).toBe(project);
});
test("is fully reversible with the inverse map", () => {
const project = buildProject();
const idMap = new Map([
["media-video", "new-video"],
["media-image", "new-image"],
["media-audio", "new-audio"],
["media-video-2", "new-video-2"],
]);
const inverse = new Map([...idMap].map(([from, to]) => [to, from]));
const remapped = remapProjectMediaIds({ project, idMap });
const restored = remapProjectMediaIds({ project: remapped, idMap: inverse });
expect(restored).toEqual(project);
});
});
describe("resolveImportedProjectName", () => {
test("keeps the name when there is no collision", () => {
expect(
resolveImportedProjectName({ name: "Demo", existingNames: ["Other"] }),
).toBe("Demo");
});
test("suffixes the name when it collides", () => {
expect(
resolveImportedProjectName({ name: "Demo", existingNames: ["Demo"] }),
).toBe("Demo (imported)");
});
});
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