From 01e48f269df59e02798dad4a698c125d76b0ed70 Mon Sep 17 00:00:00 2001
From: VirtualTam <virtualtam@flibidi.net>
Date: Thu, 9 Jul 2015 22:14:39 +0200
Subject: CachedPage: move to a proper file, add tests

Modifications
 - rename `pageCache` to `CachedPage`
 - move utilities to `Cache`
 - do not access globals
 - apply coding rules
 - update LinkDB and test code
 - add test coverage

Signed-off-by: VirtualTam <virtualtam@flibidi.net>
---
 tests/CacheTest.php | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 tests/CacheTest.php

(limited to 'tests/CacheTest.php')

diff --git a/tests/CacheTest.php b/tests/CacheTest.php
new file mode 100644
index 00000000..4caf6552
--- /dev/null
+++ b/tests/CacheTest.php
@@ -0,0 +1,63 @@
+<?php
+/**
+ * Cache tests
+ */
+
+// required to access $_SESSION array
+session_start();
+
+require_once 'application/Cache.php';
+
+/**
+ * Unitary tests for cached pages
+ */
+class CachedTest extends PHPUnit_Framework_TestCase
+{
+    // test cache directory
+    protected static $testCacheDir = 'tests/dummycache';
+
+    // dummy cached file names / content
+    protected static $pages = array('a', 'toto', 'd7b59c');
+
+
+    /**
+     * Populate the cache with dummy files
+     */
+    public function setUp()
+    {
+        if (! is_dir(self::$testCacheDir)) {
+            mkdir(self::$testCacheDir);
+        }
+        
+        foreach (self::$pages as $page) {
+            file_put_contents(self::$testCacheDir.'/'.$page.'.cache', $page);
+        }
+    }
+
+    /**
+     * Purge cached pages
+     */
+    public function testPurgeCachedPages()
+    {
+        purgeCachedPages(self::$testCacheDir);
+        foreach (self::$pages as $page) {
+            $this->assertFileNotExists(self::$testCacheDir.'/'.$page.'.cache');
+        }        
+    }
+
+    /**
+     * Purge cached pages and session cache
+     */
+    public function testInvalidateCaches()
+    {
+        $this->assertArrayNotHasKey('tags', $_SESSION);
+        $_SESSION['tags'] = array('goodbye', 'cruel', 'world');
+
+        invalidateCaches(self::$testCacheDir);
+        foreach (self::$pages as $page) {
+            $this->assertFileNotExists(self::$testCacheDir.'/'.$page.'.cache');
+        }        
+
+        $this->assertArrayNotHasKey('tags', $_SESSION);
+    }
+}
-- 
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