CodeIgniter is a powerful and lightweight open-source PHP framework renowned for its simplicity and speed in web application development. With a focus on minimal configuration and a straightforward yet comprehensive toolkit, CodeIgniter empowers developers to build robust and scalable web applications efficiently. Its Model-View-Controller (MVC) architecture enhances code organization, making it easy to create maintainable and modular applications. CodeIgniter also offers a rich set of libraries and helpers, enabling rapid development and customization. Whether you're a novice or an experienced developer, CodeIgniter is an excellent choice for crafting dynamic and high-performance web solutions.
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Practice Test
171. In CodeIgniter, how can you create a unit test class for a controller?
A. Extend CI_UnitTestCase and define test methods
B. Create a PHP class with test methods
C. Modify the .htaccess file
D. Install a testing package
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Answer: Extend CI_UnitTestCase and define test methods
172. Which function is used to load a CodeIgniter library for testing purposes in a test method?
A. $this->load->library()
B. $this->load->testLibrary()
C. $this->testing->loadLibrary()
D. $this->test->loadLibrary()
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Answer: $this->load->library()
173. What is the purpose of CodeIgniter's Testing Library (CITest)?
A. To provide tools and utilities for testing
B. To encrypt database connections
C. To compress files
D. To cache configuration files
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Answer: To provide tools and utilities for testing
174. Which CodeIgniter configuration file is commonly used for setting up testing environment configurations?
A. config/testing.php
B. config/test.php
C. config/env.php
D. config/debug.php
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Answer: config/testing.php
175. What does the CodeIgniter $this->unit->run() function do in a test method?
A. Compares expected and actual outcomes
B. Generates random data
C. Loads a library for testing
D. Validates form submissions
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Answer: Compares expected and actual outcomes
176. What is the purpose of using assertions in CodeIgniter unit tests?
A. To verify that test cases produce expected results
B. To slow down test execution
C. To increase server load
D. To obfuscate test code
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Answer: To verify that test cases produce expected results
177. How can you run CodeIgniter unit tests from the command line interface (CLI)?
A. Use the phpunit command
B. Use the php spark test command
C. Use the codeigniter test command
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Answer: Use the php spark test command
178. In CodeIgniter, what is the purpose of libraries?
A. To provide reusable code and functionality
B. To display error messages
C. To create database tables
D. To define routing rules
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Answer: To provide reusable code and functionality
179. Which of the following is not a built-in library in CodeIgniter?
A. Authentication
B. Form validation
C. Database interaction
D. Session management
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Answer: Authentication
180. How can you load a CodeIgniter library in a controller?
A. Using the $this->load->library() method
B. Including it as a PHP file
C. Installing it via Composer
D. Setting it in the .htaccess file
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Answer: Using the $this->load->library() method
