Usage of "yii\console\controllers\AssetController::actionCompress()" has been clarified.

tests/unit/framework/console/controllers/AssetControllerTest.php

@@ -130,20 +130,6 @@ class AssetControllerTest extends TestCase
 	}
 
 	/**
-	 * Creates test bundles configuration file.
-	 * @param string $fileName output filename.
-	 * @param array[] $bundles asset bundles config.
-	 * @throws Exception on failure.
-	 */
-	protected function createBundleFile($fileName, array $bundles)
-	{
-		$content = '<?php return '.var_export($this->createBundleConfig($bundles), true).';';
-		if (file_put_contents($fileName, $content) <= 0) {
-			throw new \Exception("Unable to create file '{$fileName}'!");
-		}
-	}
-
-	/**
 	 * Creates test compress config file.
 	 * @param string $fileName output file name.
 	 * @param array[] $bundles asset bundles config.
@@ -224,7 +210,6 @@ class AssetControllerTest extends TestCase
 			),
 		);;
 		$bundleFile = $this->testFilePath . DIRECTORY_SEPARATOR . 'bundle.php';
-		$this->createBundleFile($bundleFile, $bundles);
 
 		$configFile = $this->testFilePath . DIRECTORY_SEPARATOR . 'config.php';
 		$this->createCompressConfigFile($configFile, $bundles);
@@ -233,6 +218,8 @@ class AssetControllerTest extends TestCase
 		$this->runAssetControllerAction('compress', array($configFile, $bundleFile));
 
 		// Then :
+		$this->assertTrue(file_exists($bundleFile), 'Unable to create output bundle file!');
+
 		$compressedCssFileName = $this->testAssetsBasePath . DIRECTORY_SEPARATOR . 'all.css';
 		$this->assertTrue(file_exists($compressedCssFileName), 'Unable to compress CSS files!');
 		$compressedJsFileName = $this->testAssetsBasePath . DIRECTORY_SEPARATOR . 'all.js';

yii/console/controllers/AssetController.php

@@ -77,8 +77,10 @@ class AssetController extends Controller
 
 	/**
 	 * Combines and compresses the asset files according to the given configuration.
+	 * During the process new asset bundle configuration file will be created.
+	 * You should replace your original asset bundle configuration with this file in order to use compressed files.
 	 * @param string $configFile configuration file name.
-	 * @param string $bundleFile
+	 * @param string $bundleFile output asset bundles configuration file name.
 	 */
 	public function actionCompress($configFile, $bundleFile)
 	{
@@ -124,10 +126,10 @@ class AssetController extends Controller
 	}
 
 	/**
-	 * Creates full list of asset bundles.
+	 * Creates full list of source asset bundles.
 	 * @param array[] $bundles list of asset bundle configurations.
 	 * @param array $extensions list of the extension paths.
-	 * @return \yii\web\AssetBundle[] list of asset bundles.
+	 * @return \yii\web\AssetBundle[] list of source asset bundles.
 	 */
 	protected function loadBundles($bundles, $extensions)
 	{
@@ -152,9 +154,10 @@ class AssetController extends Controller
 	}
 
 	/**
-	 * @param array $targets
-	 * @param \yii\web\AssetBundle[] $bundles list of asset bundles.
-	 * @return \yii\web\AssetBundle[]
+	 * Creates full list of output asset bundles.
+	 * @param array $targets output asset bundles configuration.
+	 * @param \yii\web\AssetBundle[] $bundles list of source asset bundles.
+	 * @return \yii\web\AssetBundle[] list of output asset bundles.
 	 * @throws \yii\console\Exception on failure.
 	 */
 	protected function loadTargets($targets, $bundles)
@@ -260,9 +263,10 @@ class AssetController extends Controller
 	}
 
 	/**
-	 * @param \yii\web\AssetBundle[] $targets
-	 * @param \yii\web\AssetBundle[] $bundles
-	 * @return \yii\web\AssetBundle[]
+	 * Adjust dependencies between asset bundles in the way source bundles begin to depend on output ones.
+	 * @param \yii\web\AssetBundle[] $targets output asset bundles.
+	 * @param \yii\web\AssetBundle[] $bundles source asset bundles.
+	 * @return \yii\web\AssetBundle[] output asset bundles.
 	 */
 	protected function adjustDependency($targets, $bundles)
 	{
@@ -321,6 +325,11 @@ class AssetController extends Controller
 		}
 	}
 
+	/**
+	 * Saves new asset bundles configuration.
+	 * @param \yii\web\AssetBundle[] $targets list of asset bundles to be saved.
+	 * @param string $bundleFile output file name.
+	 */
 	protected function saveTargets($targets, $bundleFile)
 	{
 		$array = array();