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Yii 2 Simple API Project Template (MongoDB)


Yii 2 Simple API Project Template is a skeleton Yii 2 application best for creating the basics of a MongoDB-based API project that you can extend yourself.

The template contains two controllers under modules\v1\controllers which demonstrate a simple controller that you can customize and a controller based on \yii\rest\ActiveController that automatically provides CRUD operations via API endpoints by using a UrlRule configured in web.php config.

DIRECTORY STRUCTURE

  config/             contains application configurations
  controllers/        empty controllers directory
  mail/               contains view files for e-mails
  models/             contains model classes
  modules/            contains a versioning scheme for APIs - this is where the API functionality is
  runtime/            contains files generated during runtime
  tests/              contains various tests for the basic application
  vagrant/            contains vagrant helper files
  vendor/             contains dependent 3rd-party packages
  web/                contains the entry script

REQUIREMENTS

The minimum requirement by this project template that your Web server supports PHP 5.4.0.

INSTALLATION

Install via Composer

If you do not have Composer, you may install it by following the instructions at getcomposer.org.

You can then install this project template using the following command:

php composer.phar create-project --prefer-dist --stability=dev lukos/yii2-api-mongo mongo-api

Now you should be able to access the application through the following URL, assuming mongo-api is the directory directly under the Web root.

http://localhost/mongo-api/web/

CONFIGURATION

Database

Edit the file config/db.php with real data, for example:

return [
    'class' => '\yii\mongodb\Connection',
    'dsn' => 'mongodb://localhost:27017/exampledb',
	'options' => [
		'username' => 'someusername',
		'password' => 'password',
	]
];

NOTES:

  • Yii won't create the database for you, this has to be done manually before you can access it.
  • Check and edit the other files in the config/ directory to customize your application as required.
  • Refer to the README in the tests directory for information specific to basic application tests.

TESTING

Tests are located in tests directory. They are developed with Codeception PHP Testing Framework. By default there are 3 test suites:

  • unit
  • functional
  • acceptance

Tests can be executed by running

vendor/bin/codecept run

The command above will execute unit and functional tests. Unit tests are testing the system components, while functional tests are for testing user interaction. Acceptance tests are disabled by default as they require additional setup since they perform testing in real browser.

Running acceptance tests

To execute acceptance tests do the following:

  1. Rename tests/acceptance.suite.yml.example to tests/acceptance.suite.yml to enable suite configuration

  2. Replace codeception/base package in composer.json with codeception/codeception to install full featured version of Codeception

  3. Update dependencies with Composer

    composer update

  4. Download Selenium Server and launch it:

    java -jar ~/selenium-server-standalone-x.xx.x.jar

    In case of using Selenium Server 3.0 with Firefox browser since v48 or Google Chrome since v53 you must download GeckoDriver or ChromeDriver and launch Selenium with it:

    # for Firefox
java -jar -Dwebdriver.gecko.driver=~/geckodriver ~/selenium-server-standalone-3.xx.x.jar

# for Google Chrome
java -jar -Dwebdriver.chrome.driver=~/chromedriver ~/selenium-server-standalone-3.xx.x.jar

    As an alternative way you can use already configured Docker container with older versions of Selenium and Firefox:

    docker run --net=host selenium/standalone-firefox:2.53.0

  5. (Optional) Create yii2_basic_tests database and update it by applying migrations if you have them.

    tests/bin/yii migrate

    The database configuration can be found at config/test_db.php.

  6. Start web server:

    tests/bin/yii serve

  7. Now you can run all available tests

    # run all available tests
vendor/bin/codecept run

# run acceptance tests
vendor/bin/codecept run acceptance

# run only unit and functional tests
vendor/bin/codecept run unit,functional

Code coverage support

By default, code coverage is disabled in codeception.yml configuration file, you should uncomment needed rows to be able to collect code coverage. You can run your tests and collect coverage with the following command:

#collect coverage for all tests
vendor/bin/codecept run -- --coverage-html --coverage-xml

#collect coverage only for unit tests
vendor/bin/codecept run unit -- --coverage-html --coverage-xml

#collect coverage for unit and functional tests
vendor/bin/codecept run functional,unit -- --coverage-html --coverage-xml

You can see code coverage output under the tests/_output directory.