tests: added tests for Cache::save() and Cache::load()

Author: mkoubik

tests/Caching/Cache.inc

@@ -0,0 +1,27 @@
+<?php
+
+use Nette\Caching\IStorage;
+
+class TestStorage implements IStorage
+{
+	private $data = array();
+
+	public function read($key)
+	{
+		return isset($this->data[$key]) ? $this->data[$key] : NULL;
+	}
+
+	public function write($key, $data, array $dependencies)
+	{
+		$this->data[$key] = array(
+			'data' => $data,
+			'dependencies' => $dependencies,
+		);
+	}
+
+	public function lock($key) {}
+
+	public function remove($key) {}
+
+	public function clean(array $conditions) {}
+}

tests/Caching/Cache.load.phpt

@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * Test: Nette\Caching\Cache load().
+ */
+
+use Nette\Caching\Cache,
+    Tester\Assert;
+
+
+require __DIR__ . '/../bootstrap.php';
+
+require __DIR__ . '/Cache.inc';
+
+
+// load twice with fallback
+$storage = new TestStorage();
+$cache = new Cache($storage, 'ns');
+
+$value = $cache->load('key', function() {
+	return 'value';
+});
+Assert::equal('value', $value);
+
+$data = $cache->load('key', function() {
+	return "won't load this value"; // will read from storage
+});
+Assert::equal('value', $data['data']);
+
+
+// load twice with fallback, pass dependencies
+$dependencies = array(Cache::TAGS => 'tag');
+$storage = new TestStorage();
+$cache = new Cache($storage, 'ns');
+
+$value = $cache->load('key', function(& $deps) use ($dependencies) {
+	$deps = $dependencies;
+	return 'value';
+});
+Assert::equal('value', $value);
+
+$data = $cache->load('key', function() {
+	return "won't load this value"; // will read from storage
+});
+Assert::equal('value', $data['data']);
+Assert::equal($dependencies, $data['dependencies']);

tests/Caching/Cache.save.phpt

@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * Test: Nette\Caching\Cache save().
+ */
+
+use Nette\Caching\Cache,
+    Tester\Assert;
+
+
+require __DIR__ . '/../bootstrap.php';
+
+require __DIR__ . '/Cache.inc';
+
+
+// save value with dependencies
+$storage = new testStorage();
+$cache = new Cache($storage, 'ns');
+$dependencies = array(Cache::TAGS => 'tag');
+
+$cache->save('key', 'value', $dependencies);
+
+Assert::equal('value', $cache['key']['data']);
+Assert::equal($dependencies, $cache['key']['dependencies']);
+
+
+// save callback return value
+$storage = new testStorage();
+$cache = new Cache($storage, 'ns');
+
+$cache->save('key', function() {
+	return 'value';
+});
+
+Assert::equal('value', $cache['key']['data']);
+Assert::equal(array(), $cache['key']['dependencies']);
+
+
+// save callback return value with dependencies
+$storage = new testStorage();
+$cache = new Cache($storage, 'ns');
+$dependencies = array(Cache::TAGS => 'tag');
+
+$cache->save('key', function() {
+	return 'value';
+}, $dependencies);
+
+Assert::equal('value', $cache['key']['data']);
+Assert::equal($dependencies, $cache['key']['dependencies']);