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29// File-panel tree, selection and filtering contracts.
import assert from "node:assert/strict";
import { test } from "node:test";
import { initialState, isOpen, runFinished, selectedPath, visiblePaths } from "./panel.ts";

test("filter trims and ignores case, limits searches to 500, and leaves the full unfiltered list", () => {
  const paths = Array.from({ length: 600 }, (_, i) => `src/FILE-${i}.ts`);
  assert.equal(visiblePaths(paths, "   "), paths);
  assert.deepEqual(visiblePaths(paths, "  file-  "), paths.slice(0, 500));
  assert.deepEqual(visiblePaths(paths, "missing"), []);
});
test("panel opens pinned or previewed, and selection is only a file path", () => {
  for (const key of ["rightPanel", "rightPanelPreview"]) assert.equal(isOpen({ shared: { [key]: "files" } }), true);
  assert.equal(isOpen({}), false);
  assert.equal(isOpen({ shared: { rightPanel: "git" } }), false);
  assert.equal(selectedPath("src/a.ts"), "src/a.ts");
  assert.equal(selectedPath(null), null);
  assert.deepEqual(initialState(), {
    workspaceId: null,
    paths: [],
    loaded: false,
    query: "",
    tabs: undefined,
    activePath: null,
    follow: undefined,
  });
  assert.equal(runFinished({ event: "run_finished" }), true);
  assert.equal(runFinished({ event: "text_delta" }), false);
});