feat: use jest plugin

Closes: #6

index.js

@@ -11,7 +11,7 @@ module.exports = {
     },
     extends: 'eslint:recommended',
     plugins: [
-        'no-only-tests'
+        'jest'
     ],
     rules: {
         // Possible Errors (http://eslint.org/docs/rules/#possible-errors)
@@ -181,6 +181,14 @@ module.exports = {
         'space-infix-ops': ['error', {int32Hint: true}],
         'space-unary-ops': 'error',
 
-        'no-only-tests/no-only-tests': 'error'
+        // Jest plugin (https://github.com/jest-community/eslint-plugin-jest)
+        'jest/no-disabled-tests': 'warn',
+        'jest/no-focused-tests': 'error',
+        'jest/no-identical-title': 'error',
+        'jest/no-large-snapshots': 'off',
+        'jest/prefer-to-have-length': 'error',
+        'jest/prefer-to-be-null': 'error',
+        'jest/prefer-to-be-undefined': 'error',
+        'jest/valid-expect': 'error'
     }
 };

package.json

@@ -22,10 +22,10 @@
   "homepage": "https://github.com/cheminfo/eslint-config#readme",
   "peerDependencies": {
     "eslint": ">=4.2.0",
-    "eslint-plugin-no-only-tests": ">=1.1.0"
+    "eslint-plugin-jest": ">=21.5.0"
   },
   "devDependencies": {
     "eslint": "^4.12.1",
-    "eslint-plugin-no-only-tests": "^2.0.0"
+    "eslint-plugin-jest": "^21.5.0"
   }
 }

test/test.js

@@ -7,8 +7,11 @@ const util = require('util');
 const linter = require('eslint').linter;
 
 const config = require('../index');
-delete config.plugins;
-delete config.rules['no-only-tests/no-only-tests'];
+for (const rule of Object.keys(config.rules)) {
+    if (rule.startsWith('jest/')) {
+        delete config.rules[rule];
+    }
+}
 
 const ok = fs.readFileSync(__dirname + '/ok.js', 'utf8');
 const notOk = fs.readFileSync(__dirname + '/not-ok.js', 'utf8');