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Merge pull request #198 from MikeMcC399/rule-doc-harmonization
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docs: rule documentation harmonization
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jennifer-shehane authored Apr 30, 2024
2 parents a8e36f7 + fa29884 commit 7fe8a49
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9 changes: 6 additions & 3 deletions docs/rules/assertion-before-screenshot.md
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## Assertion Before Screenshot
# Require screenshots to be preceded by an assertion (`cypress/assertion-before-screenshot`)

<!-- end auto-generated rule header -->
If you take screenshots without assertions then you may get different screenshots depending on timing.

For example, if clicking a button makes some network calls and upon success, renders something, then the screenshot may sometimes have the new render and sometimes not.

## Rule Details

This rule checks there is an assertion making sure your application state is correct before doing a screenshot. This makes sure the result of the screenshot will be consistent.

Invalid:
Examples of **incorrect** code for this rule:

```js
cy.visit('myUrl');
cy.screenshot();
```

Valid:
Examples of **correct** code for this rule:

```js
cy.visit('myUrl');
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7 changes: 6 additions & 1 deletion docs/rules/no-assigning-return-values.md
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## No Assigning Return Values
# Disallow assigning return values of `cy` calls (`cypress/no-assigning-return-values`)

💼 This rule is enabled in the ✅ `recommended` config.

<!-- end auto-generated rule header -->
## Further Reading

See [the Cypress Best Practices guide](https://on.cypress.io/best-practices#Assigning-Return-Values).
8 changes: 4 additions & 4 deletions docs/rules/no-async-before.md
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# Prevent using async/await in Cypress test cases (no-async-tests)
# Disallow using `async`/`await` in Cypress `before` methods (`cypress/no-async-before`)

Cypress commands that return a promise may cause side effects in before/beforeEach hooks, possibly causing unexpected behavior.
<!-- end auto-generated rule header -->
Cypress commands that return a promise may cause side effects in `before`/`beforeEach` hooks, possibly causing unexpected behavior.

## Rule Details

Expand Down Expand Up @@ -38,12 +39,11 @@ describe('my feature', () => {
// other operations
})
})

```

## When Not To Use It

If there are genuine use-cases for using `async/await` in your before then you may not want to include this rule (or at least demote it to a warning).
If there are genuine use-cases for using `async/await` in your `before` hooks then you may not want to include this rule (or at least demote it to a warning).

## Further Reading

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9 changes: 6 additions & 3 deletions docs/rules/no-async-tests.md
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# Prevent using async/await in Cypress test cases (no-async-tests)
# Disallow using `async`/`await` in Cypress test cases (`cypress/no-async-tests`)

Cypress tests [that return a promise will error](https://docs.cypress.io/guides/references/error-messages.html#Cypress-detected-that-you-returned-a-promise-from-a-command-while-also-invoking-one-or-more-cy-commands-in-that-promise) and cannot run successfully. An `async` function returns a promise under the hood, so a test using an `async` function will also error.
💼 This rule is enabled in the ✅ `recommended` config.

<!-- end auto-generated rule header -->
Cypress tests [that return a promise will error](https://docs.cypress.io/guides/references/error-messages.html#Cypress-detected-that-you-returned-a-promise-from-a-command-while-also-invoking-one-or-more-cy-commands-in-that-promise) and cannot run successfully.
An `async` function returns a promise under the hood, so a test using an `async` function will also error.

## Rule Details

Expand Down Expand Up @@ -38,7 +42,6 @@ describe('my feature', () => {
// other operations
})
})

```

## When Not To Use It
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11 changes: 4 additions & 7 deletions docs/rules/no-force.md
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# disallow using of 'force: true' option (no-force)
# Disallow using `force: true` with action commands (`cypress/no-force`)

<!-- end auto-generated rule header -->
Using `force: true` on inputs appears to be confusing rather than helpful.
It usually silences the actual problem instead of providing a way to overcome it.
See [Cypress Core Concepts](https://docs.cypress.io/guides/core-concepts/interacting-with-elements.html#Forcing).
Expand All @@ -8,15 +9,15 @@ If enabling this rule, it's recommended to set the severity to `warn`.

## Rule Details

This rule aims to disallow using of the `force` option on:[`.click()`](https://on.cypress.io/click),
This rule disallows using the `force` option on:[`.click()`](https://on.cypress.io/click),
[`.dblclick()`](https://on.cypress.io/dblclick), [`.type()`](https://on.cypress.io/type),
[`.rightclick()`](https://on.cypress.io/rightclick), [`.select()`](https://on.cypress.io/select),
[`.focus()`](https://on.cypress.io/focus), [`.check()`](https://on.cypress.io/check),
and [`.trigger()`](https://on.cypress.io/trigger).

Examples of **incorrect** code for this rule:

```js

cy.get('button').click({force: true})
cy.get('button').dblclick({force: true})
cy.get('input').type('somth', {force: true})
Expand All @@ -26,13 +27,11 @@ cy.get('input').rightclick({force: true})
cy.get('input').check({force: true})
cy.get('input').select({force: true})
cy.get('input').focus({force: true})

```

Examples of **correct** code for this rule:

```js

cy.get('button').click()
cy.get('button').click({multiple: true})
cy.get('button').dblclick()
Expand All @@ -42,10 +41,8 @@ cy.get('input').rightclick({anyoption: true})
cy.get('input').check()
cy.get('input').select()
cy.get('input').focus()

```


## When Not To Use It

If you don't mind using `{ force: true }` with action commands, then turn this rule off.
11 changes: 7 additions & 4 deletions docs/rules/no-pause.md
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## Do not use `cy.pause` command
# Disallow using `cy.pause()` calls (`cypress/no-pause`)

It is recommended to remove [cy.pause](https://on.cypress.io/pause) command before committing the specs to avoid other developers getting unexpected results.
<!-- end auto-generated rule header -->
It is recommended to remove any [cy.pause](https://on.cypress.io/pause) commands before committing specs to avoid other developers getting unexpected results.

Invalid:
## Rule Details

Examples of **incorrect** code for this rule:

```js
cy.pause();
```

Valid:
Examples of **correct** code for this rule:

```js
// only the parent cy.pause command is detected
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7 changes: 6 additions & 1 deletion docs/rules/no-unnecessary-waiting.md
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## No Unnecessary Waiting
# Disallow waiting for arbitrary time periods (`cypress/no-unnecessary-waiting`)

💼 This rule is enabled in the ✅ `recommended` config.

<!-- end auto-generated rule header -->
## Further Reading

See [the Cypress Best Practices guide](https://on.cypress.io/best-practices#Unnecessary-Waiting).
18 changes: 12 additions & 6 deletions docs/rules/require-data-selectors.md
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## Only allow `data-*` attribute selectors (require-data-selectors)
only allow `cy.get` to allow selectors that target `data-*` attributes
# Require `data-*` attribute selectors (`cypress/require-data-selectors`)

See [the Cypress Best Practices guide](https://docs.cypress.io/guides/references/best-practices.html#Selecting-Elements).
<!-- end auto-generated rule header -->
Require `cy.get` to use only selectors that target `data-*` attributes.

> Note: If you use this rule, consider only using the `warn` error level, since using `data-*` attribute selectors may not always be possible.
### Rule Details
## Rule Details

Examples of **incorrect** code for this rule:

examples of **incorrect** code with `require-data-selectors`:
```js
cy.get(".a")
cy.get('[daedta-cy=submit]').click()
Expand All @@ -16,8 +17,13 @@ cy.get(".btn-large").click()
cy.get(".btn-.large").click()
```

examples of **correct** code with `require-data-selectors`:
Examples of **correct** code for this rule:

```js
cy.get('[data-cy=submit]').click()
cy.get('[data-QA=submit]')
```

## Further Reading

See [the Cypress Best Practices guide](https://docs.cypress.io/guides/references/best-practices.html#Selecting-Elements).
17 changes: 16 additions & 1 deletion docs/rules/unsafe-to-chain-command.md
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## Unsafe to chain command
# Disallow actions within chains (`cypress/unsafe-to-chain-command`)

💼 This rule is enabled in the ✅ `recommended` config.

<!-- end auto-generated rule header -->
### Options

<!-- begin auto-generated rule options list -->

| Name | Description | Type | Default |
| :-------- | :---------------------------------------------------------- | :---- | :------ |
| `methods` | An additional list of methods to check for unsafe chaining. | Array | `[]` |

<!-- end auto-generated rule options list -->

## Further Reading

See [retry-ability guide](https://docs.cypress.io/guides/core-concepts/retry-ability#Actions-should-be-at-the-end-of-chains-not-the-middle).

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