import { describe, expect, test } from "vitest";
import {
collectMarkedImages,
evictImagesToBudget,
formatImageMarker,
imageMarkerIds,
remapImageMarkers,
} from "../src/modes/interactive/image-markers.js";
describe("image markers", () => {
test("formatImageMarker round-trips through imageMarkerIds", () => {
expect(formatImageMarker(7)).toBe("[image #7]");
expect(imageMarkerIds(`see ${formatImageMarker(7)}`)).toEqual([7]);
});
test("imageMarkerIds returns ids in order of appearance", () => {
expect(imageMarkerIds("a [image #2] b [image #1] c")).toEqual([2, 1]);
expect(imageMarkerIds("no markers here")).toEqual([]);
});
test("imageMarkerIds ignores ids outside the safe integer range", () => {
expect(imageMarkerIds("[image #7] [image #9007199254740992]")).toEqual([7]);
});
test("remapImageMarkers replaces every spelling of the numeric id", () => {
expect(remapImageMarkers("[image #1] [image #01] [image #2]", new Map([[1, 7]]))).toBe(
"[image #7] [image #7] [image #2]",
);
});
test("collectMarkedImages returns images in paste order, not text order", () => {
const pending = new Map([
[1, "first"],
[2, "second"],
]);
expect(collectMarkedImages(pending, "[image #2] then [image #1]")).toEqual(["first", "second"]);
});
test("collectMarkedImages skips images whose marker was deleted", () => {
const pending = new Map([
[1, "a"],
[2, "b"],
]);
expect(collectMarkedImages(pending, "kept [image #1] only")).toEqual(["a"]);
});
test("collectMarkedImages returns each image at most once for duplicate markers", () => {
const pending = new Map([[1, "a"]]);
expect(collectMarkedImages(pending, "[image #1] [image #1]")).toEqual(["a"]);
});
test("collectMarkedImages returns nothing for empty input", () => {
expect(collectMarkedImages(new Map(), "[image #1]")).toEqual([]);
expect(collectMarkedImages(new Map([[1, "a"]]), "")).toEqual([]);
});
test("a restored marker still resolves its image (undo-safe)", () => {
const pending = new Map([[1, "a"]]);
expect(collectMarkedImages(pending, "no marker")).toEqual([]);
expect(collectMarkedImages(pending, "back [image #1]")).toEqual(["a"]);
});
const size = (s: string) => s.length;
test("evictImagesToBudget drops oldest entries until within budget", () => {
const images = new Map([
[1, "aaaa"],
[2, "bbbb"],
[3, "cccc"],
]);
evictImagesToBudget(images, size, 8, new Set());
expect([...images.keys()]).toEqual([2, 3]);
});
test("evictImagesToBudget never evicts kept ids, even past budget", () => {
const images = new Map([
[1, "aaaa"],
[2, "bbbb"],
[3, "cccc"],
]);
evictImagesToBudget(images, size, 8, new Set([1]));
expect([...images.keys()]).toEqual([1, 3]);
});
test("evictImagesToBudget keeps everything when all ids are kept", () => {
const images = new Map([
[1, "aaaa"],
[2, "bbbb"],
]);
evictImagesToBudget(images, size, 1, new Set([1, 2]));
expect([...images.keys()]).toEqual([1, 2]);
});
test("evictImagesToBudget is a no-op within budget", () => {
const images = new Map([[1, "aa"]]);
evictImagesToBudget(images, size, 100, new Set());
expect([...images.keys()]).toEqual([1]);
});
});