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Validating Multiple AngularJS Instance Handling in angular.js

This test suite validates the behavior of an AngularJS application when the framework is loaded multiple times. It ensures that interpolation and binding functionality work correctly even in scenarios where AngularJS may be included more than once in the application.

Test Coverage Overview

The test suite focuses on verifying the core functionality of AngularJS bindings in edge case scenarios where the framework is loaded multiple times. Key areas covered include:

Text interpolation verification
Expression binding functionality
Multiple AngularJS instance handling
Framework initialization checks

Implementation Analysis

The testing approach utilizes Protractor’s element selection and expectation assertions to validate text binding behavior. The implementation leverages fixture loading patterns to set up the test environment, ensuring consistent and repeatable test execution.

The test demonstrates the use of by.binding() locator strategy, which is specific to AngularJS E2E testing framework.

Technical Details

Testing tools and configuration include:

Protractor as the E2E testing framework
Jasmine for test structure and assertions
Custom fixture loading mechanism
Angular-specific element locators
beforeEach hooks for test setup

Best Practices Demonstrated

The test suite exemplifies several testing best practices:

Isolated test environments through fixture loading
Clear test descriptions that specify the expected behavior
Focused test cases that verify single functionality
Proper use of beforeEach for setup
Framework-specific element location strategies

angular/angularJs

test/e2e/tests/angularjs-already-loaded.spec.js

            
'use strict';

describe('App where AngularJS is loaded more than once', function() {
  beforeEach(function() {
    loadFixture('angularjs-already-loaded');
  });

  it('should have the interpolated text', function() {
    expect(element(by.binding('text')).getText()).toBe('Hello, world!');
  });
});