Function assertSpyCallArgs

testing/mock.ts:1593–1621

(
  spy: SpyLike<Self, Args, Return>,
  callIndex: number,
  argsStart?: number | ExpectedArgs,
  argsEnd?: number | ExpectedArgs,
  expected?: ExpectedArgs,
)

  expected: ExpectedArgs,
): ExpectedArgs;
export function assertSpyCallArgs<
  ExpectedArgs extends unknown[],
  Args extends unknown[],
  Return,
  Self,
>(
  spy: SpyLike<Self, Args, Return>,
  callIndex: number,
  argsStart?: number | ExpectedArgs,
  argsEnd?: number | ExpectedArgs,
  expected?: ExpectedArgs,
): ExpectedArgs {
  const call = getSpyCall(spy, callIndex);
  if (!expected) {
    expected = argsEnd as ExpectedArgs;
    argsEnd = undefined;
  }
  if (!expected) {
    expected = argsStart as ExpectedArgs;
    argsStart = undefined;
  }
  const args = typeof argsEnd === "number"
    ? call.args.slice(argsStart as number, argsEnd)
    : typeof argsStart === "number"
    ? call.args.slice(argsStart)
    : call.args;
  assertEquals(args, expected);
  return args as ExpectedArgs;
}

/**
 * Creates a function that returns the instance the method was called on.