Adding a test.

src/Helpers/TelemetryHelper.php

@@ -135,31 +135,15 @@ private function getTelemetryUserData(): array {
     return $data;
   }
 
-  private function getEnvironmentProvider(): ?string {
-    // Define the environment variables associated with each provider.
-    $providers = [
-      // Assuming Acquia has a specific environment variable, just for example purposes.
-      'acquia'    => ['ACQUIA_ENVIRONMENT'],
-      'bamboo'    => ['BAMBOO_BUILDNUMBER'],
-      'bitbucket' => ['BITBUCKET_BRANCH'],
-      'circleci'  => ['CIRCLECI'],
-      'codebuild' => ['CODEBUILD_BUILD_ID'],
-      'drone'     => ['DRONE'],
-      'github'    => ['GITHUB_ACTIONS'],
-      'gitlab'    => ['GITLAB_CI'],
-      'heroku'    => ['HEROKU_TEST_RUN_ID'],
-      'jenkins'   => ['JENKINS_URL'],
-      'octopus'   => ['OCTOPUS_DEPLOYMENT_ID'],
-      'teamcity'  => ['TEAMCITY_VERSION'],
-      'travis'    => ['TRAVIS'],
-    ];
+  public static function getEnvironmentProvider(): ?string {
+    $providers = self::getProviders();
 
     // Check for an Acquia environment first as it uses a method call rather than getenv.
     if (AcquiaDrupalEnvironmentDetector::getAhEnv()) {
       return 'acquia';
     }
 
-    // Check for CI/CD environment variables.
+    // Check for environment variables.
     foreach ($providers as $provider => $vars) {
       foreach ($vars as $var) {
         if (getenv($var) !== FALSE)
@@ -216,4 +200,26 @@ private function getDefaultUserData(): array {
     ];
   }
 
+  /**
+   * @return array[]
+   *   An array of providers and their associated environment variables.
+   */
+  public static function getProviders(): array {
+    // Define the environment variables associated with each provider.
+    return [
+      'bamboo' => ['BAMBOO_BUILDNUMBER'],
+      'bitbucket' => ['BITBUCKET_BRANCH'],
+      'circleci' => ['CIRCLECI'],
+      'codebuild' => ['CODEBUILD_BUILD_ID'],
+      'drone' => ['DRONE'],
+      'github' => ['GITHUB_ACTIONS'],
+      'gitlab' => ['GITLAB_CI'],
+      'heroku' => ['HEROKU_TEST_RUN_ID'],
+      'jenkins' => ['JENKINS_URL'],
+      'octopus' => ['OCTOPUS_DEPLOYMENT_ID'],
+      'teamcity' => ['TEAMCITY_VERSION'],
+      'travis' => ['TRAVIS'],
+    ];
+  }
+
 }

tests/phpunit/src/Misc/TelemetryHelperTest.php

@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace Acquia\Cli\Tests\Misc;
+
+use Acquia\Cli\Command\CommandBase;
+use Acquia\Cli\Command\Self\ClearCacheCommand;
+use Acquia\Cli\Helpers\TelemetryHelper;
+use Acquia\Cli\Tests\CommandTestBase;
+use Acquia\Cli\Tests\TestBase;
+
+class TelemetryHelperTest extends CommandTestBase {
+
+  public function tearDown(): void {
+    parent::tearDown();
+    $envVars = [];
+    foreach ($this->providerTestEnvironmentProvider() as $args) {
+      $envVars = array_merge($envVars, $args[1]);
+    }
+
+    TestBase::unsetEnvVars($envVars);
+  }
+
+  protected function createCommand(): CommandBase {
+    return $this->injectCommand(ClearCacheCommand::class);
+  }
+
+  /**
+   * @return array[]
+   */
+  public function providerTestEnvironmentProvider(): array {
+    $providersList = TelemetryHelper::getProviders();
+    $providersArray = [];
+    foreach ($providersList as $provider => $envVars) {
+      $env_vars_with_values = [];
+      foreach ($envVars as $var_name) {
+        $env_vars_with_values[$var_name] = 'test';
+      }
+      $providersArray[] = [$provider, $env_vars_with_values];
+    }
+
+    return $providersArray;
+  }
+
+  /**
+   * @dataProvider providerTestEnvironmentProvider()
+   */
+  public function testEnvironmentProvider(string $provider, array $envVars): void {
+    TestBase::setEnvVars($envVars);
+    $this->assertEquals($provider, TelemetryHelper::getEnvironmentProvider());
+  }
+
+}