#6622 Logger refactoring: added unit test

tests/PHPUnit/Unit/Log/Processor/SprintfProcessorTest.php

@@ -0,0 +1,62 @@
+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
+namespace Piwik\Tests\Unit\Log\Processor;
+use Piwik\Log\Processor\SprintfProcessor;
+
+/**
+ * @group Core
+ * @covers \Piwik\Log\Processor\SprintfProcessor
+ */
+class SprintfProcessorTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @test
+     */
+    public function it_should_replace_placeholders()
+    {
+        $result = $this->process(array(
+            'message' => 'Test %s and %s.',
+            'context' => array('here', 'there'),
+        ));
+
+        $this->assertEquals('Test here and there.', $result['message']);
+    }
+
+    /**
+     * @test
+     */
+    public function it_should_ignore_strings_without_placeholders()
+    {
+        $result = $this->process(array(
+            'message' => 'Hello world!',
+            'context' => array('foo', 'bar'),
+        ));
+
+        $this->assertEquals('Hello world!', $result['message']);
+    }
+
+    /**
+     * @test
+     */
+    public function it_should_serialize_arrays()
+    {
+        $result = $this->process(array(
+            'message' => 'Error in the following modules: %s',
+            'context' => array(array('import', 'export')),
+        ));
+
+        $this->assertEquals('Error in the following modules: ["import","export"]', $result['message']);
+    }
+
+    private function process($record)
+    {
+        $processor = new SprintfProcessor();
+        return $processor($record);
+    }
+}