Function assertFileNames

packages/language-service/testing/src/util.ts:19–23

(refs: Array<{fileName: string}>, expectedFileNames: string[])

 * This assertion is independent of the order of either list.
 */
export function assertFileNames(refs: Array<{fileName: string}>, expectedFileNames: string[]) {
  const actualPaths = refs.map((r) => r.fileName);
  const actualFileNames = actualPaths.map((p) => last(p.split('/')));
  expect(new Set(actualFileNames)).toEqual(new Set(expectedFileNames));
}

/**
 * Expect that a list of objects with a `fileName` property matches a set