tslint-clean-code/dist/src/tests/NoForEachPushRuleTests.js

TSLint rules for enforcing Clean Code

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var TestHelper_1 = require("./TestHelper");
var noForEachPushRule_1 = require("../noForEachPushRule");
var FAILURE_STRING = noForEachPushRule_1.Rule.FAILURE_STRING;
describe('noForEachPushRule', function () {
    var ruleName = 'no-for-each-push';
    it('should pass using Array.prototype.map', function () {
        var script = "\n            const arr1 = [1,2,3];\n            const results = arr1.map(item => item * 2);\n        ";
        TestHelper_1.TestHelper.assertViolations(ruleName, script, []);
    });
    it('should fail using Array.prototype.push nested within Array.prototype.forEach', function () {
        var script = "\n            const arr1 = [1,2,3];\n            const results = [];\n            arr1.forEach(item => {\n                const newValue = item * 2;\n                results.push(newValue);\n            });\n        ";
        TestHelper_1.TestHelper.assertViolations(ruleName, script, [
            {
                failure: FAILURE_STRING,
                name: 'file.ts',
                ruleName: ruleName,
                ruleSeverity: 'ERROR',
                startPosition: {
                    character: 13,
                    line: 4,
                },
            },
        ]);
    });
    it('should pass using Array.prototype.push nested within Array.prototype.forEach with an If Statement', function () {
        var script = "\n            const arr1 = [1,2,3];\n            const results = [];\n            arr1.forEach(item => {\n                if (item === 2) {\n                    return;\n                }\n                const newValue = item * 2;\n                results.push(newValue);\n            });\n        ";
        TestHelper_1.TestHelper.assertViolations(ruleName, script, []);
    });
});
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