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GSoC' 16: Port Search Configuration Module to Drupal 8 : Mid Terms

I feel really excited to have cleared the mid-Term requirement for my project in Google Summer of Code (GSoC). The results of the mid-Term evaluations were announced June 28, 00:30 IST. This was the evaluation for the first phase of GSoC. In this evaluation process, set up by GSoC organisers, students and mentors have to share their feedback about the current progress of the project. Mentors need to give a pass/ fail grade. Students can continue coding once they clear the evaluations successfully.

I have been working on Porting Search Configuration module to Drupal 8. Please go through my previous posts if you would like to have a look into the past activities in this port process.

Last week I worked on testing some of the units of this module using the Php unit tests framework. Testing is an important process when it comes to any software development process. It plays a crucial role for any software. It helps us to understand the improve our software to the required level by making use of various test cases. We input various values and check whether the tests are passed according to the requirement. If any condition fails to our expectations, we need to make the required changes to suit the application needs.

Php unit tests are generally used to test some units of an application. To check whether the functions implemented gives the expected output, behaviour of the functions in various test cases, giving different types of arguments as inputs to check the errors or flaws for improving the application.

We need to install the Php unit for this process. You could follow this documentation for this process. Furthermore, they give a detailed analysis of the Php Unit Tests.

Once the installation is completed, we can start writing the unit tests for the functionalities we have implemented. The tests are generally stored in the tests/src/Unit directory of the module. The name of the unit test file will be of the format xyzTest.php. All tests are suffixed by 'Test'. 'xyz' can be replaced by the functionality you are going to test.

The following is a simple test to check the sum of two numbers: sumTest.php
<?php
class SampleTest extends PHPUnit_Framework_TestCase
{
public function testSum()
{
$this->assertEquals(2+2, 4);
}
}
?>
As mentioned in this above code snippet, we need to create a class, with class name suffixed by 'Test' which is an extension of PHPUnit_Framework_TestCase. Now, we need to write the tests inside as member functions. The functions starting with the name test are executed. Here we are checking the sum of the two numbers. This is a very simple demonstration.

The tests are run by using the command PHPUnit. i.e,
$ phpunit tests/src/Unit/sumTest.php
The output generated on running the above test is:

PHPUnit 5.4.6 by Sebastian Bergmann and contributors.

. 1 / 1 (100%)

Time: 252 ms, Memory: 13.25MB

OK (1 test, 1 assertion)

Stay tuned for future updates on this module port.

 

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