import assert from 'node:assert/strict';
import { it } from 'node:test';
import { ErrorCode, McpError } from '../../lib/errors.js';
import { createInMemoryResourceStore } from '../../lib/resource-store.js';
void it('evicts oldest entries when maxEntries exceeded', () => {
const store = createInMemoryResourceStore({
maxEntries: 2,
maxTotalBytes: 1024,
maxEntryBytes: 1024,
});
const first = store.putText({ name: 'a', text: 'one' });
const second = store.putText({ name: 'b', text: 'two' });
const third = store.putText({ name: 'c', text: 'three' });
assert.ok(third.uri);
assert.throws(
() => store.getText(first.uri),
(error) => error instanceof McpError && error.code === ErrorCode.E_NOT_FOUND
);
assert.deepStrictEqual(store.getText(second.uri).text, 'two');
assert.deepStrictEqual(store.getText(third.uri).text, 'three');
});
void it('rejects entries larger than maxEntryBytes', () => {
const store = createInMemoryResourceStore({
maxEntries: 5,
maxTotalBytes: 1024,
maxEntryBytes: 4,
});
assert.throws(
() => store.putText({ name: 'big', text: '12345' }),
(error) => error instanceof McpError && error.code === ErrorCode.E_TOO_LARGE
);
});
