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76 lines
1.2 KiB
Markdown
76 lines
1.2 KiB
Markdown
# Disallow duplicate setup and teardown hooks (`no-duplicate-hooks`)
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A `describe` block should not contain duplicate hooks.
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## Rule Details
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Examples of **incorrect** code for this rule
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```js
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/* eslint jest/no-duplicate-hooks: "error" */
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describe('foo', () => {
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beforeEach(() => {
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// some setup
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});
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beforeEach(() => {
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// some setup
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});
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test('foo_test', () => {
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// some test
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});
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});
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// Nested describe scenario
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describe('foo', () => {
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beforeEach(() => {
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// some setup
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});
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test('foo_test', () => {
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// some test
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});
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describe('bar', () => {
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test('bar_test', () => {
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afterAll(() => {
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// some teardown
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});
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afterAll(() => {
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// some teardown
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});
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});
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});
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});
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```
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Examples of **correct** code for this rule
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```js
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/* eslint jest/no-duplicate-hooks: "error" */
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describe('foo', () => {
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beforeEach(() => {
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// some setup
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});
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test('foo_test', () => {
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// some test
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});
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});
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// Nested describe scenario
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describe('foo', () => {
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beforeEach(() => {
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// some setup
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});
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test('foo_test', () => {
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// some test
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});
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describe('bar', () => {
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test('bar_test', () => {
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beforeEach(() => {
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// some setup
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});
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});
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});
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});
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```
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