---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: invalid.js
---
# Input
```jsx
describe("foo", () => {
	beforeEach(() => {}),
		beforeEach(() => {}),
		test("bar", () => {
			someFn();
		});
});

describe.skip("foo", () => {
	beforeEach(() => {}),
		beforeAll(() => {}),
		beforeAll(() => {}),
		test("bar", () => {
			someFn();
		});
});

describe.skip("foo", () => {
	afterEach(() => {}),
		afterEach(() => {}),
		test("bar", () => {
			someFn();
		});
});

describe.skip("foo", () => {
	afterAll(() => {}),
		afterAll(() => {}),
		test("bar", () => {
			someFn();
		});
});

describe("foo", () => {
	beforeEach(() => {}),
		beforeEach(() => {}),
		beforeEach(() => {}),
		test("bar", () => {
			someFn();
		});
});

describe.skip("foo", () => {
	afterAll(() => {}),
		afterAll(() => {}),
		beforeAll(() => {}),
		beforeAll(() => {}),
		test("bar", () => {
			someFn();
		});
});

describe("foo", () => {
	beforeEach(() => {}),
		beforeEach(() => {}),
		beforeAll(() => {}),
		test("bar", () => {
			someFn();
		});
});

describe("foo", () => {
	beforeAll(() => {}),
		test("bar", () => {
			someFn();
		});
	describe("inner_foo", () => {
		beforeEach(() => {});
		beforeEach(() => {});
		test("inner bar", () => {
			someFn();
		});
	});
});

describe.each(["hello"])("%s", () => {
	beforeEach(() => {});
	beforeEach(() => {});

	it("is not fine", () => {});
});

describe("something", () => {
	describe.each(["hello"])("%s", () => {
		beforeEach(() => {});

		it("is fine", () => {});
	});

	describe.each(["world"])("%s", () => {
		beforeEach(() => {});
		beforeEach(() => {});

		it("is not fine", () => {});
	});
});

describe("something", () => {
	describe.each(["hello"])("%s", () => {
		beforeEach(() => {});

		it("is fine", () => {});
	});

	describe.each(["world"])("%s", () => {
		describe("some more", () => {
			beforeEach(() => {});
			beforeEach(() => {});

			it("is not fine", () => {});
		});
	});
});

describe("foo", () => {
	before(() => {}),
		before(() => {}),
		test("bar", () => {
			someFn();
		});
});

describe("foo", () => {
	after(() => {}),
		after(() => {}),
		test("bar", () => {
			someFn();
		});
});

```

# Diagnostics
```
invalid.js:3:3 lint/nursery/noDuplicateTestHooks ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Disallow duplicate setup and teardown hooks.
  
    1 │ describe("foo", () => {
    2 │ 	beforeEach(() => {}),
  > 3 │ 		beforeEach(() => {}),
      │ 		^^^^^^^^^^^^^^^^^^^^
    4 │ 		test("bar", () => {
    5 │ 			someFn();
  
  i Disallow beforeEach duplicacy inside the describe function.
  

```

```
invalid.js:12:3 lint/nursery/noDuplicateTestHooks ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Disallow duplicate setup and teardown hooks.
  
    10 │ 	beforeEach(() => {}),
    11 │ 		beforeAll(() => {}),
  > 12 │ 		beforeAll(() => {}),
       │ 		^^^^^^^^^^^^^^^^^^^
    13 │ 		test("bar", () => {
    14 │ 			someFn();
  
  i Disallow beforeAll duplicacy inside the describe function.
  

```

```
invalid.js:20:3 lint/nursery/noDuplicateTestHooks ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Disallow duplicate setup and teardown hooks.
  
    18 │ describe.skip("foo", () => {
    19 │ 	afterEach(() => {}),
  > 20 │ 		afterEach(() => {}),
       │ 		^^^^^^^^^^^^^^^^^^^
    21 │ 		test("bar", () => {
    22 │ 			someFn();
  
  i Disallow afterEach duplicacy inside the describe function.
  

```

```
invalid.js:28:3 lint/nursery/noDuplicateTestHooks ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Disallow duplicate setup and teardown hooks.
  
    26 │ describe.skip("foo", () => {
    27 │ 	afterAll(() => {}),
  > 28 │ 		afterAll(() => {}),
       │ 		^^^^^^^^^^^^^^^^^^
    29 │ 		test("bar", () => {
    30 │ 			someFn();
  
  i Disallow afterAll duplicacy inside the describe function.
  

```

```
invalid.js:36:3 lint/nursery/noDuplicateTestHooks ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Disallow duplicate setup and teardown hooks.
  
    34 │ describe("foo", () => {
    35 │ 	beforeEach(() => {}),
  > 36 │ 		beforeEach(() => {}),
       │ 		^^^^^^^^^^^^^^^^^^^^
    37 │ 		beforeEach(() => {}),
    38 │ 		test("bar", () => {
  
  i Disallow beforeEach duplicacy inside the describe function.
  

```

```
invalid.js:37:3 lint/nursery/noDuplicateTestHooks ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Disallow duplicate setup and teardown hooks.
  
    35 │ 	beforeEach(() => {}),
    36 │ 		beforeEach(() => {}),
  > 37 │ 		beforeEach(() => {}),
       │ 		^^^^^^^^^^^^^^^^^^^^
    38 │ 		test("bar", () => {
    39 │ 			someFn();
  
  i Disallow beforeEach duplicacy inside the describe function.
  

```

```
invalid.js:45:3 lint/nursery/noDuplicateTestHooks ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Disallow duplicate setup and teardown hooks.
  
    43 │ describe.skip("foo", () => {
    44 │ 	afterAll(() => {}),
  > 45 │ 		afterAll(() => {}),
       │ 		^^^^^^^^^^^^^^^^^^
    46 │ 		beforeAll(() => {}),
    47 │ 		beforeAll(() => {}),
  
  i Disallow afterAll duplicacy inside the describe function.
  

```

```
invalid.js:47:3 lint/nursery/noDuplicateTestHooks ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Disallow duplicate setup and teardown hooks.
  
    45 │ 		afterAll(() => {}),
    46 │ 		beforeAll(() => {}),
  > 47 │ 		beforeAll(() => {}),
       │ 		^^^^^^^^^^^^^^^^^^^
    48 │ 		test("bar", () => {
    49 │ 			someFn();
  
  i Disallow beforeAll duplicacy inside the describe function.
  

```

```
invalid.js:55:3 lint/nursery/noDuplicateTestHooks ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Disallow duplicate setup and teardown hooks.
  
    53 │ describe("foo", () => {
    54 │ 	beforeEach(() => {}),
  > 55 │ 		beforeEach(() => {}),
       │ 		^^^^^^^^^^^^^^^^^^^^
    56 │ 		beforeAll(() => {}),
    57 │ 		test("bar", () => {
  
  i Disallow beforeEach duplicacy inside the describe function.
  

```

```
invalid.js:69:3 lint/nursery/noDuplicateTestHooks ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Disallow duplicate setup and teardown hooks.
  
    67 │ 	describe("inner_foo", () => {
    68 │ 		beforeEach(() => {});
  > 69 │ 		beforeEach(() => {});
       │ 		^^^^^^^^^^^^^^^^^^^^
    70 │ 		test("inner bar", () => {
    71 │ 			someFn();
  
  i Disallow beforeEach duplicacy inside the describe function.
  

```

```
invalid.js:91:3 lint/nursery/noDuplicateTestHooks ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Disallow duplicate setup and teardown hooks.
  
    90 │ 	describe.each(["world"])("%s", () => {
  > 91 │ 		beforeEach(() => {});
       │ 		^^^^^^^^^^^^^^^^^^^^
    92 │ 		beforeEach(() => {});
    93 │ 
  
  i Disallow beforeEach duplicacy inside the describe function.
  

```

```
invalid.js:92:3 lint/nursery/noDuplicateTestHooks ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Disallow duplicate setup and teardown hooks.
  
    90 │ 	describe.each(["world"])("%s", () => {
    91 │ 		beforeEach(() => {});
  > 92 │ 		beforeEach(() => {});
       │ 		^^^^^^^^^^^^^^^^^^^^
    93 │ 
    94 │ 		it("is not fine", () => {});
  
  i Disallow beforeEach duplicacy inside the describe function.
  

```

```
invalid.js:108:4 lint/nursery/noDuplicateTestHooks ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Disallow duplicate setup and teardown hooks.
  
    106 │ 		describe("some more", () => {
    107 │ 			beforeEach(() => {});
  > 108 │ 			beforeEach(() => {});
        │ 			^^^^^^^^^^^^^^^^^^^^
    109 │ 
    110 │ 			it("is not fine", () => {});
  
  i Disallow beforeEach duplicacy inside the describe function.
  

```

```
invalid.js:117:3 lint/nursery/noDuplicateTestHooks ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Disallow duplicate setup and teardown hooks.
  
    115 │ describe("foo", () => {
    116 │ 	before(() => {}),
  > 117 │ 		before(() => {}),
        │ 		^^^^^^^^^^^^^^^^
    118 │ 		test("bar", () => {
    119 │ 			someFn();
  
  i Disallow before duplicacy inside the describe function.
  

```

```
invalid.js:125:3 lint/nursery/noDuplicateTestHooks ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Disallow duplicate setup and teardown hooks.
  
    123 │ describe("foo", () => {
    124 │ 	after(() => {}),
  > 125 │ 		after(() => {}),
        │ 		^^^^^^^^^^^^^^^
    126 │ 		test("bar", () => {
    127 │ 			someFn();
  
  i Disallow after duplicacy inside the describe function.
  

```