eslint-plugin-angular/test/on-watch.js

ESLint rules for AngularJS projects

'use strict';

// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------

var rule = require('../rules/on-watch');
var RuleTester = require('eslint').RuleTester;
var commonFalsePositives = require('./utils/commonFalsePositives');

// ------------------------------------------------------------------------------
// Tests
// ------------------------------------------------------------------------------

var eslintTester = new RuleTester();

eslintTester.run('on-watch', rule, {
    valid: [
        'var variable = scope.$on()',
        'var variable = scope.$watch()',
        'var variable = $scope.$on()',
        'var variable = $scope.$watch()',
        'var variable = $rootScope.$on()',
        'var variable = $rootScope.$watch()',
        '$scope.$on("$destroy")',
        '$rootScope.$on("$destroy")',
        '$scope.$on("$destroy", $scope.$on())',
        '$rootScope.$on("$destroy", $scope.$on())',
        '$scope.$on("$destroy", $rootScope.$on())',
        '$rootScope.$on("$destroy", $rootScope.$on())',
        'scope.$on()',
        'scope.$watch()',
        '$scope.$on()',
        '$scope.$watch()',

        // false positive check
        '$on()',

        // uncovered edgecase
        '$scope["$on"]()'

    ].concat(commonFalsePositives),
    invalid: [
        {code: '$rootScope.$on()', errors: [{message: 'The "$on" call should be assigned to a variable, in order to be destroyed during the $destroy event'}]},
        {code: '$rootScope.$watch()', errors: [{message: 'The "$watch" call should be assigned to a variable, in order to be destroyed during the $destroy event'}]}
    ]
});