3.1.0 • Public • Published


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ESLint rule for .only tests in mocha, jest, jasmine, Mocha Cakes 2 and other JS testing libraries.

By default the following test blocks are matched by default: describe, it, context, tape, test, fixture, serial.

Designed to prevent you from committing focused (.only) tests to CI, which may prevent your entire test suite from running.

If the testing framework you use doesn't use .only to focus tests, you can override the matchers with options.


Install ESLint if you haven't done so already, then install eslint-plugin-no-only-tests:

npm install --save-dev eslint-plugin-no-only-tests
# or
yarn add --dev eslint-plugin-no-only-tests

Note: If you installed ESLint globally (using the -g flag) then you must also install eslint-plugin-no-only-tests globally.


Add no-only-tests to the plugins section of your .eslintrc configuration file. You can omit the eslint-plugin- prefix:

"plugins": [

Then add the rule to the rules section of your .eslintrc:

"rules": {
  "no-only-tests/no-only-tests": "error"

If you use a testing framework that uses a test block name that isn't present in the defaults, or a different way of focusing test (something other than .only) you can specify an array of blocks and focus methods to match in the options.

"rules": {
  "no-only-tests/no-only-tests": [
    "error", {
      "block": ["test", "it", "assert"],
      "focus": ["only", "focus"]

The above example will catch any uses of test.only, test.focus, it.only, it.focus, assert.only and assert.focus.

This rule supports opt-in autofixing when the fix option is set to true to avoid changing runtime code unintentionally when configured in an editor.

"rules": {
  "no-only-tests/no-only-tests": ["error", {"fix": true}]


Option Type Description
block string[] Specify the block names that your testing framework uses. Add a * to the end of any string to enable prefix matching (ie. test* will match testExample.only)
Defaults to ["describe", "it", "context", "test", "tape", "fixture", "serial", "Feature", "Scenario", "Given", "And", "When", "Then"]
focus string[] Specify the focus scope that your testing framework uses.
Defaults to ["only"]
fix boolean Enable this rule to auto-fix violations, useful for a pre-commit hook, not recommended for users with auto-fixing enabled in their editor.
Defaults to false

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npm i eslint-plugin-no-only-tests

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  • levibuzolic