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Require top-level describe block (require-top-level-describe)

Jest allows you to organise your test files the way you want it. However, the more your codebase grows, the more it becomes hard to navigate in your test files. This rule makes sure that you provide at least a top-level describe block in your test file.

Rule Details

This rule triggers a warning if a test case (test and it) or a hook (beforeAll, beforeEach, afterEach, afterAll) is not located in a top-level describe block.

The following patterns are considered warnings:

// Above a describe block
test('my test', () => {});
describe('test suite', () => {
  it('test', () => {});
});

// Below a describe block
describe('test suite', () => {});
test('my test', () => {});

// Same for hooks
beforeAll('my beforeAll', () => {});
describe('test suite', () => {});
afterEach('my afterEach', () => {});

The following patterns are not considered warnings:

// In a describe block
describe('test suite', () => {
  test('my test', () => {});
});

// In a nested describe block
describe('test suite', () => {
  test('my test', () => {});
  describe('another test suite', () => {
    test('my other test', () => {});
  });
});

When Not To Use It

Don't use this rule on non-jest test files.

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