import { describe, expect, test } from "bun:test";
import { extractFilingContent } from "../../../sources/sec-edgar/content";
import { filingPreviewTruncated } from "./filing-documents";
import type { SecFilingDocument, SecFilingItem } from "../../../types/data-provider";
import {
buildInlineFilingContentTargets,
nextUncachedFilingContentTarget,
} from "./filing-content";
function filing(accessionNumber: string): SecFilingItem {
return {
accessionNumber,
filingDate: "2026-01-01",
filingUrl: `https://example.com/${accessionNumber}`,
form: "8-K",
primaryDocument: "filing.htm",
};
}
describe("SEC filing content cache", () => {
test("loads unique content targets sequentially in caller priority order", () => {
const selected = filing("selected");
const background = filing("background");
const targets = [selected, selected, background];
expect(nextUncachedFilingContentTarget(targets, new Map())?.accessionNumber).toBe("selected");
expect(nextUncachedFilingContentTarget(
targets,
new Map([["selected", null]]),
)?.accessionNumber).toBe("background");
});
test("builds content targets only for readable inline exhibits", () => {
const selected = filing("selected");
const documents: SecFilingDocument[] = [
{ document: "exhibit.htm", description: "Press release", type: "EX-99.1", url: "https://example.com/exhibit.htm", isPrimary: false },
{ document: "schema.xsd", description: "Schema", type: "EX-101", url: "https://example.com/schema.xsd", isPrimary: false },
];
expect(buildInlineFilingContentTargets(selected, documents).map((target) => target.accessionNumber))
.toEqual(["selected:exhibit.htm"]);
});
});
test("preview coverage follows the extracted primary and inline exhibits, not unrelated cached documents", () => {
const selected = filing("selected");
const documents: SecFilingDocument[] = [{ document: "release.htm", type: "EX-99.1", url: "https://example.com/release.htm", isPrimary: false }];
const complete = extractFilingContent("Complete terms.
", "text/html", { form: "8-K" });
const truncated = extractFilingContent(`${"Important merger consideration. ".repeat(1000)}
`, "text/html", { form: "8-K" });
const cache = new Map([["selected", complete], ["unrelated", truncated]]);
expect(filingPreviewTruncated(selected, documents, cache)).toBe(false);
cache.set("selected:release.htm", truncated);
expect(filingPreviewTruncated(selected, documents, cache)).toBe(true);
cache.set("selected:release.htm", complete);
cache.set("selected", truncated);
expect(filingPreviewTruncated(selected, [], cache)).toBe(true);
});