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Testing Directive Controller Requirements in angular.js

This test suite evaluates directive controller requirements in AngularJS, specifically focusing on HTML element parent-child relationships. It verifies proper error handling when required controllers are not found in the DOM hierarchy.

Test Coverage Overview

The test coverage focuses on AngularJS directive controller dependencies and error handling scenarios.

Validates error messaging when required parent controllers are missing
Tests directive requirement behavior with HTML root element
Verifies controller dependency resolution in DOM hierarchy

Implementation Analysis

The testing approach uses Protractor’s E2E testing capabilities to validate directive controller requirements. It implements fixture loading patterns and element selection to verify error conditions in the Angular application context.

Uses Protractor’s element selection API
Implements fixture-based test setup
Validates error message content and display

Technical Details

Testing Framework: Protractor
Assertion Library: Jasmine
Test Type: E2E Integration
Key Methods: loadFixture(), element(), expect()
Element Selection: by.id()

Best Practices Demonstrated

The test demonstrates effective E2E testing practices for AngularJS applications, particularly for directive dependency validation.

Isolated test scenarios using fixtures
Clear error message validation
Specific element targeting
Focused test scope

angular/angularJs

test/e2e/tests/directive-require-html.spec.js

            
'use strict';

describe('require parent controller on html element', function() {
  it('should not use the html element as the parent element', function() {

    loadFixture('directive-require-html');

    expect(element(by.id('container')).getText()).toContain('Controller \'requireTargetDirective\', required by directive \'requireDirective\', can\'t be found!');
  });
});