Test: Improve Cache coverage

system/Cache/Handlers/WincacheHandler.php

@@ -1,4 +1,5 @@
-<?php namespace CodeIgniter\Cache\Handlers;
+<?php
+namespace CodeIgniter\Cache\Handlers;
 
 /**
  * CodeIgniter
@@ -38,6 +39,11 @@
 
 use CodeIgniter\Cache\CacheInterface;
 
+/**
+ * Cache handler for WinCache from Microsoft & IIS.
+ * Windows-only, so not testable on travis-ci.
+ * Unusable methods flagged for code coverage ignoring.
+ */
 class WincacheHandler implements CacheInterface
 {
 
@@ -59,6 +65,8 @@ public function __construct($config)
 
 	/**
 	 * Takes care of any handler-specific setup that must be done.
+	 *
+	 * @codeCoverageIgnore
 	 */
 	public function initialize()
 	{
@@ -70,6 +78,8 @@ public function initialize()
 	/**
 	 * Attempts to fetch an item from the cache store.
 	 *
+	 * @codeCoverageIgnore
+	 *
 	 * @param string $key Cache item name
 	 *
 	 * @return mixed
@@ -90,6 +100,8 @@ public function get(string $key)
 	/**
 	 * Saves an item to the cache store.
 	 *
+	 * @codeCoverageIgnore
+	 *
 	 * @param string  $key   Cache item name
 	 * @param mixed   $value The data to save
 	 * @param integer $ttl   Time To Live, in seconds (default 60)
@@ -108,6 +120,8 @@ public function save(string $key, $value, int $ttl = 60)
 	/**
 	 * Deletes a specific item from the cache store.
 	 *
+	 * @codeCoverageIgnore
+	 *
 	 * @param string $key Cache item name
 	 *
 	 * @return mixed
@@ -124,8 +138,9 @@ public function delete(string $key)
 	/**
 	 * Performs atomic incrementation of a raw stored value.
 	 *
-	 * @param string  $key    Cache ID
-	 * @param integer $offset Step/value to increase by
+	 * @codeCoverageIgnore
+	 * @param              string  $key    Cache ID
+	 * @param              integer $offset Step/value to increase by
 	 *
 	 * @return mixed
 	 */
@@ -144,6 +159,8 @@ public function increment(string $key, int $offset = 1)
 	/**
 	 * Performs atomic decrementation of a raw stored value.
 	 *
+	 * @codeCoverageIgnore
+	 *
 	 * @param string  $key    Cache ID
 	 * @param integer $offset Step/value to increase by
 	 *
@@ -164,6 +181,8 @@ public function decrement(string $key, int $offset = 1)
 	/**
 	 * Will delete all items in the entire cache.
 	 *
+	 * @codeCoverageIgnore
+	 *
 	 * @return mixed
 	 */
 	public function clean()
@@ -176,6 +195,8 @@ public function clean()
 	/**
 	 * Returns information on the entire cache.
 	 *
+	 * @codeCoverageIgnore
+	 *
 	 * The information returned and the structure of the data
 	 * varies depending on the handler.
 	 *
@@ -191,7 +212,8 @@ public function getCacheInfo()
 	/**
 	 * Returns detailed information about the specific item in the cache.
 	 *
-	 * @param string $key Cache item name.
+	 * @codeCoverageIgnore
+	 * @param              string $key Cache item name.
 	 *
 	 * @return mixed
 	 */

tests/system/Cache/CacheFactoryTest.php

@@ -1,7 +1,9 @@
-<?php namespace CodeIgniter\Cache;
+<?php
+namespace CodeIgniter\Cache;
 
 class CacheFactoryTest extends \CIUnitTestCase
 {
+
 	private static $directory = 'CacheFactory';
 	private $cacheFactory;
 	private $config;
@@ -90,4 +92,28 @@ public function testGetDummyHandler()
 		$this->config             = new \Config\Cache();
 		$this->config->storePath .= self::$directory;
 	}
+
+	public function testHandlesBadHandler()
+	{
+		if (! is_dir($this->config->storePath))
+		{
+			mkdir($this->config->storePath, 0555, true);
+		}
+
+		$this->config->handler = 'dummy';
+
+		if (stripos('win', php_uname()) === 0)
+		{
+			$this->assertTrue(true); // can't test properly if we are on Windows
+		}
+		else
+		{
+			$this->assertInstanceOf(\CodeIgniter\Cache\Handlers\DummyHandler::class, $this->cacheFactory->getHandler($this->config, 'wincache', 'wincache'));
+		}
+
+		//Initialize path
+		$this->config             = new \Config\Cache();
+		$this->config->storePath .= self::$directory;
+	}
+
 }

tests/system/Cache/Handlers/FileHandlerTest.php

@@ -1,11 +1,13 @@
-<?php namespace CodeIgniter\Cache\Handlers;
+<?php
+namespace CodeIgniter\Cache\Handlers;
 
 set_error_handler(function (int $errno, string $errstr, string $errfile, int $errline, array $errcontext) {
 	//throw new \ErrorException($errstr, $errno, 0, $errfile, $errline);
 });
 
 class FileHandlerTest extends \CIUnitTestCase
 {
+
 	private static $directory = 'FileHandler';
 	private static $key1      = 'key1';
 	private static $key2      = 'key2';
@@ -127,7 +129,9 @@ public function testDecrement()
 	{
 		$this->fileHandler->save(self::$key1, 10);
 		$this->fileHandler->save(self::$key2, 'value');
-		$this->fileHandler->save(self::$key3, 0);
+
+		//  Line following commented out to force the cache to add a zero entry for key3
+		//      $this->fileHandler->save(self::$key3, 0);
 
 		$this->assertSame(9, $this->fileHandler->decrement(self::$key1, 1));
 		$this->assertFalse($this->fileHandler->decrement(self::$key2, 1));
@@ -158,6 +162,17 @@ public function testGetMetaData()
 		$this->assertSame('value', $actual['data']);
 	}
 
+	public function testGetCacheInfo()
+	{
+		$time = time();
+		$this->fileHandler->save(self::$key1, 'value');
+
+		$actual = $this->fileHandler->getCacheInfo();
+		$this->assertArrayHasKey(self::$key1, $actual);
+		$this->assertEquals(self::$key1, $actual[self::$key1]['name']);
+		$this->assertArrayHasKey('server_path', $actual[self::$key1]);
+	}
+
 	public function testIsSupported()
 	{
 		$this->assertTrue($this->fileHandler->isSupported());
@@ -179,10 +194,12 @@ public function testFileHandler()
 		$this->assertArrayHasKey('executable', $actual);
 		$this->assertArrayHasKey('fileperms', $actual);
 	}
+
 }
 
 final class BaseTestFileHandler extends FileHandler
 {
+
 	private static $directory = 'FileHandler';
 	private $config;
 
@@ -210,4 +227,5 @@ public function getFileInfoTest()
 			'fileperms',
 		]);
 	}
+
 }