PHP code example of ergebnis / environment-variables

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

ergebnis / environment-variables example snippets

declare(strict_types=1);

use Ergebnis\Environment;

final class BuildEnvironment
{
    private Environment\Variables $environmentVariables;

    public function __construct(Environment\Variables $environmentVariables)
    {
        $this->environmentVariables = $environmentVariables;
    }

    public function isGitHubActions(): bool
    {
        return $this->environmentVariables->has('GITHUB_ACTIONS')
            && 'true' === $this->environmentVariables->get('GITHUB_ACTIONS');
    }

    public function isTravisCi(): bool
    {
        return $this->environmentVariables->has('TRAVIS')
            && 'true' === $this->environmentVariables->get('TRAVIS');
    }
}

declare(strict_types=1);

use Ergebnis\Environment;
use PHPUnit\Framework;

final class BuildEnvironmentTest extends Framework\TestCase
{
    public function testIsGitHubActionsReturnsFalseWhenNoneOfTheExpectedEnvironmentVariablesAreAvailable(): void
    {
        $environmentVariables = Environment\FakeVariables::empty();

        $buildEnvironment = new BuildEnvironment($environmentVariables);

        self::assertFalse($buildEnvironment->isGitHubActions());
    }

    public function testIsGitHubActionsReturnsFalseWhenValueOfGitHubActionsEnvironmentVariableIsNotTrue(): void
    {
        $environmentVariables = Environment\FakeVariables::fromArray([
            'GITHUB_ACTIONS' => 'false',
        ]);

        $buildEnvironment = new BuildEnvironment($environmentVariables);

        self::assertFalse($buildEnvironment->isGitHubActions());
    }

    public function testIsGitHubActionsReturnsTrueWhenValueOfGitHubActionsEnvironmentVariableIsTrue(): void
    {
        $environmentVariables = Environment\FakeVariables::fromArray([
            'GITHUB_ACTIONS' => 'true',
        ]);

        $buildEnvironment = new BuildEnvironment($environmentVariables);

        self::assertTrue($buildEnvironment->isGitHubActions());
    }
}

declare(strict_types=1);

use Ergebnis\Environment;
use PHPUnit\Framework;

final class BuildEnvironmentTest extends Framework\TestCase
{
    public function testIsGitHubActionsReturnsFalseWhenNoneOfTheExpectedEnvironmentVariablesAreAvailable(): void
    {
        $environmentVariables = Environment\ReadOnlyVariables::empty();

        $buildEnvironment = new BuildEnvironment($environmentVariables);

        self::assertFalse($buildEnvironment->isGitHubActions());
    }

    public function testIsGitHubActionsReturnsFalseWhenValueOfGitHubActionsEnvironmentVariableIsNotTrue(): void
    {
        $environmentVariables = Environment\ReadOnlyVariables::fromArray([
            'GITHUB_ACTIONS' => 'false',
        ]);

        $buildEnvironment = new BuildEnvironment($environmentVariables);

        self::assertFalse($buildEnvironment->isGitHubActions());
    }

    public function testIsGitHubActionsReturnsTrueWhenValueOfGitHubActionsEnvironmentVariableIsTrue(): void
    {
        $environmentVariables = Environment\ReadOnlyVariables::fromArray([
            'GITHUB_ACTIONS' => 'true',
        ]);

        $buildEnvironment = new BuildEnvironment($environmentVariables);

        self::assertTrue($buildEnvironment->isGitHubActions());
    }
}

declare(strict_types=1);

use Ergebnis\Environment;
use PHPUnit\Framework;

final class FooTest extends Framework\TestCase
{
    private static Environment\TestVariables $environmentVariables;

    protected function setUp() : void
    {
        // will back up environment variables FOO, BAR, and BAZ
        self::$environmentVariables = Environment\TestVariables::backup(
            'FOO',
            'BAR',
            'BAZ'
        );
    }

    protected function tearDown() : void
    {
        // will restore backed-up environment variables FOO, BAR, and BAZ to their initial state
        self::$environmentVariables->restore();
    }

    public function testSomethingThatDependsOnEnvironmentVariableFooToBeSet(): void
    {
        self::$environmentVariables->set(
            'FOO',
            '9000'
        );

        // ...
    }

    public function testSomethingThatDependsOnEnvironmentVariableFooToBeUnset(): void
    {
        self::$environmentVariables->unset('FOO');

        // ...
    }

    public function testSomethingThatDependsOnEnvironmentVariableQuxToBeSet(): void
    {
        // will throw exception because the environment variable QUX has not been backed up
        self::$environmentVariables->set(
            'QUX',
            '9000'
        );

        // ...
    }

    public function testSomethingThatDependsOnEnvironmentVariableQuxToBeUnset(): void
    {
        // will throw exception because the environment variable QUX has not been backed up
        self::$environmentVariables->unset('QUX');
    }
}