1 files changed, 150 insertions, 0 deletions
diff --git a/tests/Feature/Logger/EngelsystemLoggerTest.php b/tests/Feature/Logger/EngelsystemLoggerTest.php
new file mode 100644
index 00000000..8886d4ba
--- /dev/null
+++ b/tests/Feature/Logger/EngelsystemLoggerTest.php
@@ -0,0 +1,150 @@
+<?php
+
+namespace Engelsystem\Test\Feature\Logger;
+
+use Engelsystem\Logger\EngelsystemLogger;
+use PHPUnit\Framework\TestCase;
+use Psr\Log\InvalidArgumentException;
+use Psr\Log\LoggerInterface;
+use Psr\Log\LogLevel;
+
+class EngelsystemLoggerTest extends TestCase
+{
+    public static function setUpBeforeClass()
+    {
+        require_once __DIR__ . '/../../../includes/engelsystem.php';
+    }
+
+    /**
+     * @return LoggerInterface
+     */
+    public function getLogger()
+    {
+        return new EngelsystemLogger();
+    }
+
+    public function testImplements()
+    {
+        $this->assertInstanceOf('Psr\Log\LoggerInterface', $this->getLogger());
+    }
+
+    /**
+     * @return string[]
+     */
+    public function provideLogLevels()
+    {
+        return [
+            [LogLevel::ALERT],
+            [LogLevel::CRITICAL],
+            [LogLevel::DEBUG],
+            [LogLevel::EMERGENCY],
+            [LogLevel::ERROR],
+            [LogLevel::INFO],
+            [LogLevel::NOTICE],
+            [LogLevel::WARNING],
+        ];
+    }
+
+    /**
+     * @dataProvider provideLogLevels
+     * @param string $level
+     */
+    public function testAllLevels($level)
+    {
+        $logger = $this->getLogger();
+
+        LogEntries_clear_all();
+
+        $logger->log($level, 'First log message');
+        $logger->{$level}('Second log message');
+
+        $entries = LogEntries();
+        $this->assertCount(2, $entries);
+    }
+
+    public function testContextReplacement()
+    {
+        $logger = $this->getLogger();
+        LogEntries_clear_all();
+
+        $logger->log(LogLevel::INFO, 'My username is {username}', ['username' => 'Foo']);
+
+        $entry = $this->getLastEntry();
+        $this->assertEquals('My username is Foo', $entry['message']);
+        $this->assertEquals(LogLevel::INFO, $entry['level']);
+    }
+
+    /**
+     * @return string[]
+     */
+    public function provideContextReplaceValues()
+    {
+        return [
+            ['Data and {context}', [], 'Data and {context}'],
+            ['Data and {context}', ['context' => null], 'Data and '],
+            ['Data and {context}', ['context' => new \stdClass()], 'Data and {context}'],
+            ['Some user asked: {question}', ['question' => 'Foo?'], 'Some user asked: Foo?'],
+        ];
+    }
+
+    /**
+     * @dataProvider provideContextReplaceValues
+     *
+     * @param string   $message
+     * @param string[] $context
+     * @param string   $expected
+     */
+    public function testContextReplaceValues($message, $context, $expected)
+    {
+        $logger = $this->getLogger();
+        $logger->log(LogLevel::INFO, $message, $context);
+
+        $entry = $this->getLastEntry();
+        $this->assertEquals($expected, $entry['message']);
+    }
+
+    public function testContextToString()
+    {
+        $logger = $this->getLogger();
+        LogEntries_clear_all();
+
+        $mock = $this->getMockBuilder('someDataProvider')
+            ->setMethods(['__toString'])
+            ->getMock();
+
+        $mock->expects($this->atLeastOnce())
+            ->method('__toString')
+            ->will($this->returnValue('FooBar'));
+
+        $logger->log(LogLevel::INFO, 'Some data and {context}', ['context' => $mock]);
+
+        $entry = $this->getLastEntry();
+        $this->assertEquals('Some data and FooBar', $entry['message']);
+    }
+
+    /**
+     * @expectedException InvalidArgumentException
+     */
+    public function testThrowExceptionOnInvalidLevel()
+    {
+        $logger = $this->getLogger();
+
+        $logger->log('This log level should never be defined', 'Some message');
+    }
+
+    /**
+     * @return array
+     */
+    public function getLastEntry()
+    {
+        $entries = LogEntries();
+        $entry = array_pop($entries);
+
+        return $entry;
+    }
+
+    public function tearDown()
+    {
+        LogEntries_clear_all();
+    }
+}