jest/require-to-throw-message Correctness

✅ This rule is turned on by default.

What it does

This rule triggers a warning if toThrow() or toThrowError() is used without an error message.

Example

// invalid
test("all the things", async () => {
  expect(() => a()).toThrow();
  expect(() => a()).toThrowError();
  await expect(a()).rejects.toThrow();
  await expect(a()).rejects.toThrowError();
});

// valid
test("all the things", async () => {
  expect(() => a()).toThrow("a");
  expect(() => a()).toThrowError("a");
  await expect(a()).rejects.toThrow("a");
  await expect(a()).rejects.toThrowError("a");
});

How to use

To enable this rule in the CLI or using the config file, you can use:

CLI

oxlint --deny jest/require-to-throw-message --jest-plugin

Config (.oxlintrc.json)

{
  "plugins": ["jest"],
  "rules": {
    "jest/require-to-throw-message": "error"
  }
}

References

• Rule Source