Package Exports

eslint-plugin-ava

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eslint-plugin-ava

ESLint rules for AVA

Translations: Français

Install

$ npm install --save-dev eslint eslint-plugin-ava

Usage

Configure it in package.json.

{
    "name": "my-awesome-project",
    "eslintConfig": {
        "env": {
            "es6": true
        },
        "parserOptions": {
            "ecmaVersion": 7,
            "sourceType": "module"
        },
        "plugins": [
            "ava"
        ],
        "rules": {
            "ava/assertion-arguments": "error",
            "ava/assertion-message": ["off", "always"],
            "ava/max-asserts": ["off", 5],
            "ava/no-cb-test": "off",
            "ava/no-identical-title": "error",
            "ava/no-ignored-test-files": "error",
            "ava/no-invalid-end": "error",
            "ava/no-only-test": "error",
            "ava/no-skip-assert": "error",
            "ava/no-skip-test": "error",
            "ava/no-statement-after-end": "error",
            "ava/no-todo-test": "warn",
            "ava/no-unknown-modifiers": "error",
            "ava/prefer-power-assert": "off",
            "ava/test-ended": "error",
            "ava/test-title": ["error", "if-multiple"],
            "ava/use-t-well": "error",
            "ava/use-t": "error",
            "ava/use-test": "error",
            "ava/use-true-false": "error"
        }
    }
}

Rules

The rules will only activate in test files.

assertion-arguments - Enforce passing correct arguments to assertions.
assertion-message - Enforce or disallow assertion messages.
max-asserts - Limit the number of assertions in a test.
no-cb-test - Ensure no test.cb() is used.
no-identical-title - Ensure no tests have the same title.
no-ignored-test-files - Ensure no tests are written in ignored files.
no-invalid-end - Ensure t.end() is only called inside test.cb().
no-only-test - Ensure no test.only() are present.
no-skip-assert - Ensure no assertions are skipped.
no-skip-test - Ensure no tests are skipped.
no-statement-after-end - Ensure t.end() is the last statement executed.
no-todo-test - Ensure no test.todo() is used.
no-unknown-modifiers - Prevent the use of unknown test modifiers.
prefer-power-assert - Allow only use of the asserts that have no power-assert alternative.
test-ended - Ensure callback tests are explicitly ended.
test-title - Ensure tests have a title.
use-t-well - Prevent the incorrect use of t.
use-t - Ensure test functions use t as their parameter.
use-test - Ensure that AVA is imported with test as the variable name.
use-true-false - Ensure that t.true()/t.false() are used instead of t.truthy()/t.falsy().

Recommended config

This plugin exports a recommended config that enforces good practices.

Enable it in your package.json with the extends option:

{
    "name": "my-awesome-project",
    "eslintConfig": {
        "plugins": [
            "ava"
        ],
        "extends": "plugin:ava/recommended"
    }
}

See the ESLint docs for more information about extending config files.

Note: This config will also enable the correct parser options and environment.

Credit

And our awesome contributors