Add proper tests

Signed-off-by: Lukas Reschke <lukas@statuscode.ch>

6 files changed, 220 insertions, 49 deletions

diff --git a/lib/private/IntegrityCheck/Checker.php b/lib/private/IntegrityCheck/Checker.php
index a3d9d906d8d..4588c006da6 100644
--- a/lib/private/IntegrityCheck/Checker.php
+++ b/lib/private/IntegrityCheck/Checker.php
@@ -272,19 +272,18 @@ class Checker {
 									  X509 $certificate,
 									  RSA $privateKey) {
 		$appInfoDir = $path . '/appinfo';
-		$this->fileAccessHelper->assertDirectoryExists($path);
-		$this->fileAccessHelper->assertDirectoryExists($appInfoDir);
-
-		$iterator = $this->getFolderIterator($path);
-		$hashes = $this->generateHashes($iterator, $path);
-		$signature = $this->createSignatureData($hashes, $certificate, $privateKey);
 		try {
-			$this->fileAccessHelper->file_put_contents(
-				$appInfoDir . '/signature.json',
+			$this->fileAccessHelper->assertDirectoryExists($appInfoDir);
+
+			$iterator = $this->getFolderIterator($path);
+			$hashes = $this->generateHashes($iterator, $path);
+			$signature = $this->createSignatureData($hashes, $certificate, $privateKey);
+				$this->fileAccessHelper->file_put_contents(
+					$appInfoDir . '/signature.json',
 				json_encode($signature, JSON_PRETTY_PRINT)
 			);
 		} catch (\Exception $e){
-			if (!$this->fileAccessHelper->is_writeable($appInfoDir)){
+			if (!$this->fileAccessHelper->is_writable($appInfoDir)) {
 				throw new \Exception($appInfoDir . ' is not writable');
 			}
 			throw $e;
@@ -303,19 +302,18 @@ class Checker {
 									   RSA $rsa,
 									   $path) {
 		$coreDir = $path . '/core';
-		$this->fileAccessHelper->assertDirectoryExists($path);
-		$this->fileAccessHelper->assertDirectoryExists($coreDir);
-
-		$iterator = $this->getFolderIterator($path, $path);
-		$hashes = $this->generateHashes($iterator, $path);
-		$signatureData = $this->createSignatureData($hashes, $certificate, $rsa);
 		try {
+
+			$this->fileAccessHelper->assertDirectoryExists($coreDir);
+			$iterator = $this->getFolderIterator($path, $path);
+			$hashes = $this->generateHashes($iterator, $path);
+			$signatureData = $this->createSignatureData($hashes, $certificate, $rsa);
 			$this->fileAccessHelper->file_put_contents(
 				$coreDir . '/signature.json',
 				json_encode($signatureData, JSON_PRETTY_PRINT)
 			);
 		} catch (\Exception $e){
-			if (!$this->fileAccessHelper->is_writeable($coreDir)){
+			if (!$this->fileAccessHelper->is_writable($coreDir)) {
 				throw new \Exception($coreDir . ' is not writable');
 			}
 			throw $e;
diff --git a/lib/private/IntegrityCheck/Helpers/FileAccessHelper.php b/lib/private/IntegrityCheck/Helpers/FileAccessHelper.php
index c3193457890..a7e378c165e 100644
--- a/lib/private/IntegrityCheck/Helpers/FileAccessHelper.php
+++ b/lib/private/IntegrityCheck/Helpers/FileAccessHelper.php
@@ -58,7 +58,7 @@ class FileAccessHelper {
 	 * @throws \Exception
 	 */
 	public function file_put_contents($filename, $data) {
-		$bytesWritten = file_put_contents($filename, $data);
+		$bytesWritten = @file_put_contents($filename, $data);
 		if ($bytesWritten === false || $bytesWritten !== strlen($data)){
 			throw new \Exception('Failed to write into ' . $filename);
 		}
@@ -69,15 +69,15 @@ class FileAccessHelper {
 	 * @param string $path
 	 * @return bool
 	 */
-	public function is_writeable($path){
-		return is_writeable($path);
+	public function is_writable($path) {
+		return is_writable($path);
 	}
 
 	/**
 	 * @param string $path
 	 * @throws \Exception
 	 */
-	public function assertDirectoryExists($path){
+	public function assertDirectoryExists($path) {
 		if (!is_dir($path)) {
 			throw new \Exception('Directory ' . $path . ' does not exist.');
 		}
diff --git a/tests/lib/Command/Integrity/SignAppTest.php b/tests/lib/Command/Integrity/SignAppTest.php
index 71d9946ee88..013290b56e9 100644
--- a/tests/lib/Command/Integrity/SignAppTest.php
+++ b/tests/lib/Command/Integrity/SignAppTest.php
@@ -29,13 +29,13 @@ use Symfony\Component\Console\Output\OutputInterface;
 use Test\TestCase;
 
 class SignAppTest extends TestCase {
-	/** @var Checker */
+	/** @var Checker|\PHPUnit_Framework_MockObject_MockObject */
 	private $checker;
 	/** @var SignApp */
 	private $signApp;
-	/** @var FileAccessHelper */
+	/** @var FileAccessHelper|\PHPUnit_Framework_MockObject_MockObject */
 	private $fileAccessHelper;
-	/** @var IURLGenerator */
+	/** @var IURLGenerator|\PHPUnit_Framework_MockObject_MockObject */
 	private $urlGenerator;
 
 	public function setUp() {
@@ -75,7 +75,7 @@ class SignAppTest extends TestCase {
 			->method('writeln')
 			->with('This command requires the --path, --privateKey and --certificate.');
 
-		$this->invokePrivate($this->signApp, 'execute', [$inputInterface, $outputInterface]);
+		$this->assertNull(self::invokePrivate($this->signApp, 'execute', [$inputInterface, $outputInterface]));
 	}
 
 	public function testExecuteWithMissingPrivateKey() {
@@ -103,7 +103,7 @@ class SignAppTest extends TestCase {
 				->method('writeln')
 				->with('This command requires the --path, --privateKey and --certificate.');
 
-		$this->invokePrivate($this->signApp, 'execute', [$inputInterface, $outputInterface]);
+		$this->assertNull(self::invokePrivate($this->signApp, 'execute', [$inputInterface, $outputInterface]));
 	}
 
 	public function testExecuteWithMissingCertificate() {
@@ -131,7 +131,7 @@ class SignAppTest extends TestCase {
 			->method('writeln')
 			->with('This command requires the --path, --privateKey and --certificate.');
 
-		$this->invokePrivate($this->signApp, 'execute', [$inputInterface, $outputInterface]);
+		$this->assertNull(self::invokePrivate($this->signApp, 'execute', [$inputInterface, $outputInterface]));
 	}
 
 	public function testExecuteWithNotExistingPrivateKey() {
@@ -165,7 +165,7 @@ class SignAppTest extends TestCase {
 			->method('writeln')
 			->with('Private key "privateKey" does not exists.');
 
-		$this->invokePrivate($this->signApp, 'execute', [$inputInterface, $outputInterface]);
+		$this->assertNull(self::invokePrivate($this->signApp, 'execute', [$inputInterface, $outputInterface]));
 	}
 
 	public function testExecuteWithNotExistingCertificate() {
@@ -204,7 +204,51 @@ class SignAppTest extends TestCase {
 			->method('writeln')
 			->with('Certificate "certificate" does not exists.');
 
-		$this->invokePrivate($this->signApp, 'execute', [$inputInterface, $outputInterface]);
+		$this->assertNull(self::invokePrivate($this->signApp, 'execute', [$inputInterface, $outputInterface]));
+	}
+
+	public function testExecuteWithException() {
+		$inputInterface = $this->createMock(InputInterface::class);
+		$outputInterface = $this->createMock(OutputInterface::class);
+
+		$inputInterface
+			->expects($this->at(0))
+			->method('getOption')
+			->with('path')
+			->will($this->returnValue('AppId'));
+		$inputInterface
+			->expects($this->at(1))
+			->method('getOption')
+			->with('privateKey')
+			->will($this->returnValue('privateKey'));
+		$inputInterface
+			->expects($this->at(2))
+			->method('getOption')
+			->with('certificate')
+			->will($this->returnValue('certificate'));
+
+		$this->fileAccessHelper
+			->expects($this->at(0))
+			->method('file_get_contents')
+			->with('privateKey')
+			->will($this->returnValue(\OC::$SERVERROOT . '/tests/data/integritycheck/core.key'));
+		$this->fileAccessHelper
+			->expects($this->at(1))
+			->method('file_get_contents')
+			->with('certificate')
+			->will($this->returnValue(\OC::$SERVERROOT . '/tests/data/integritycheck/core.crt'));
+
+		$this->checker
+			->expects($this->once())
+			->method('writeAppSignature')
+			->willThrowException(new \Exception('My error message'));
+
+		$outputInterface
+			->expects($this->at(0))
+			->method('writeln')
+			->with('Error: My error message');
+
+		$this->assertSame(1, self::invokePrivate($this->signApp, 'execute', [$inputInterface, $outputInterface]));
 	}
 
 	public function testExecute() {
@@ -247,6 +291,6 @@ class SignAppTest extends TestCase {
 			->method('writeln')
 			->with('Successfully signed "AppId"');
 
-		$this->invokePrivate($this->signApp, 'execute', [$inputInterface, $outputInterface]);
+		$this->assertSame(0, self::invokePrivate($this->signApp, 'execute', [$inputInterface, $outputInterface]));
 	}
 }
diff --git a/tests/lib/Command/Integrity/SignCoreTest.php b/tests/lib/Command/Integrity/SignCoreTest.php
index f3c242ae9fb..35e52b951da 100644
--- a/tests/lib/Command/Integrity/SignCoreTest.php
+++ b/tests/lib/Command/Integrity/SignCoreTest.php
@@ -28,12 +28,12 @@ use Symfony\Component\Console\Output\OutputInterface;
 use Test\TestCase;
 
 class SignCoreTest extends TestCase {
-	/** @var Checker */
+	/** @var Checker|\PHPUnit_Framework_MockObject_MockObject */
 	private $checker;
+	/** @var FileAccessHelper|\PHPUnit_Framework_MockObject_MockObject */
+	private $fileAccessHelper;
 	/** @var SignCore */
 	private $signCore;
-	/** @var FileAccessHelper */
-	private $fileAccessHelper;
 
 	public function setUp() {
 		parent::setUp();
@@ -65,7 +65,7 @@ class SignCoreTest extends TestCase {
 			->method('writeln')
 			->with('--privateKey, --certificate and --path are required.');
 
-		$this->invokePrivate($this->signCore, 'execute', [$inputInterface, $outputInterface]);
+		$this->assertNull(self::invokePrivate($this->signCore, 'execute', [$inputInterface, $outputInterface]));
 	}
 
 	public function testExecuteWithMissingCertificate() {
@@ -88,7 +88,7 @@ class SignCoreTest extends TestCase {
 			->method('writeln')
 			->with('--privateKey, --certificate and --path are required.');
 
-		$this->invokePrivate($this->signCore, 'execute', [$inputInterface, $outputInterface]);
+		$this->assertNull(self::invokePrivate($this->signCore, 'execute', [$inputInterface, $outputInterface]));
 	}
 
 	public function testExecuteWithNotExistingPrivateKey() {
@@ -122,7 +122,7 @@ class SignCoreTest extends TestCase {
 			->method('writeln')
 			->with('Private key "privateKey" does not exists.');
 
-		$this->invokePrivate($this->signCore, 'execute', [$inputInterface, $outputInterface]);
+		$this->assertNull(self::invokePrivate($this->signCore, 'execute', [$inputInterface, $outputInterface]));
 	}
 
 	public function testExecuteWithNotExistingCertificate() {
@@ -161,7 +161,51 @@ class SignCoreTest extends TestCase {
 			->method('writeln')
 			->with('Certificate "certificate" does not exists.');
 
-		$this->invokePrivate($this->signCore, 'execute', [$inputInterface, $outputInterface]);
+		$this->assertNull(self::invokePrivate($this->signCore, 'execute', [$inputInterface, $outputInterface]));
+	}
+
+	public function testExecuteWithException() {
+		$inputInterface = $this->createMock(InputInterface::class);
+		$outputInterface = $this->createMock(OutputInterface::class);
+
+		$inputInterface
+			->expects($this->at(0))
+			->method('getOption')
+			->with('privateKey')
+			->will($this->returnValue('privateKey'));
+		$inputInterface
+			->expects($this->at(1))
+			->method('getOption')
+			->with('certificate')
+			->will($this->returnValue('certificate'));
+		$inputInterface
+			->expects($this->at(2))
+			->method('getOption')
+			->with('path')
+			->will($this->returnValue('certificate'));
+
+		$this->fileAccessHelper
+			->expects($this->at(0))
+			->method('file_get_contents')
+			->with('privateKey')
+			->will($this->returnValue(\OC::$SERVERROOT . '/tests/data/integritycheck/core.key'));
+		$this->fileAccessHelper
+			->expects($this->at(1))
+			->method('file_get_contents')
+			->with('certificate')
+			->will($this->returnValue(\OC::$SERVERROOT . '/tests/data/integritycheck/core.crt'));
+
+		$this->checker
+			->expects($this->once())
+			->method('writeCoreSignature')
+			->willThrowException(new \Exception('My exception message'));
+
+		$outputInterface
+			->expects($this->at(0))
+			->method('writeln')
+			->with('Error: My exception message');
+
+		$this->assertEquals(1, self::invokePrivate($this->signCore, 'execute', [$inputInterface, $outputInterface]));
 	}
 
 	public function testExecute() {
@@ -204,6 +248,6 @@ class SignCoreTest extends TestCase {
 			->method('writeln')
 			->with('Successfully signed "core"');
 
-		$this->invokePrivate($this->signCore, 'execute', [$inputInterface, $outputInterface]);
+		$this->assertEquals(0, self::invokePrivate($this->signCore, 'execute', [$inputInterface, $outputInterface]));
 	}
 }
diff --git a/tests/lib/IntegrityCheck/CheckerTest.php b/tests/lib/IntegrityCheck/CheckerTest.php
index 963a638bfd7..049017cb5e8 100644
--- a/tests/lib/IntegrityCheck/CheckerTest.php
+++ b/tests/lib/IntegrityCheck/CheckerTest.php
@@ -34,19 +34,19 @@ use OCP\ICacheFactory;
 use OCP\App\IAppManager;
 
 class CheckerTest extends TestCase {
-	/** @var EnvironmentHelper */
+	/** @var EnvironmentHelper|\PHPUnit_Framework_MockObject_MockObject */
 	private $environmentHelper;
-	/** @var AppLocator */
+	/** @var AppLocator|\PHPUnit_Framework_MockObject_MockObject */
 	private $appLocator;
 	/** @var Checker */
 	private $checker;
-	/** @var FileAccessHelper */
+	/** @var FileAccessHelper|\PHPUnit_Framework_MockObject_MockObject */
 	private $fileAccessHelper;
-	/** @var IConfig */
+	/** @var IConfig|\PHPUnit_Framework_MockObject_MockObject */
 	private $config;
-	/** @var ICacheFactory */
+	/** @var ICacheFactory|\PHPUnit_Framework_MockObject_MockObject */
 	private $cacheFactory;
-	/** @var IAppManager */
+	/** @var IAppManager|\PHPUnit_Framework_MockObject_MockObject */
 	private $appManager;
 
 	public function setUp() {
@@ -77,8 +77,20 @@ class CheckerTest extends TestCase {
 
 	/**
 	 * @expectedException \Exception
+	 * @expectedExceptionMessage Exception message
 	 */
 	public function testWriteAppSignatureOfNotExistingApp() {
+		$this->fileAccessHelper
+			->expects($this->at(0))
+			->method('assertDirectoryExists')
+			->with('NotExistingApp/appinfo')
+			->willThrowException(new \Exception('Exception message'));
+		$this->fileAccessHelper
+			->expects($this->at(1))
+			->method('is_writable')
+			->with('NotExistingApp/appinfo')
+			->willReturn(true);
+
 		$keyBundle = file_get_contents(__DIR__ .'/../../data/integritycheck/SomeApp.crt');
 		$rsaPrivateKey = file_get_contents(__DIR__ .'/../../data/integritycheck/SomeApp.key');
 		$rsa = new RSA();
@@ -90,13 +102,14 @@ class CheckerTest extends TestCase {
 
 	/**
 	 * @expectedException \Exception
+	 * @expectedExceptionMessageRegExp /[a-zA-Z\/_-]+ is not writable/
 	 */
-	public function testWriteAppSignatureWrongPermissions(){
+	public function testWriteAppSignatureWrongPermissions() {
 		$this->fileAccessHelper
 			->expects($this->once())
 			->method('file_put_contents')
-			->will($this->throwException(new \Exception))
-		;
+			->will($this->throwException(new \Exception('Exception message')));
+
 		$keyBundle = file_get_contents(__DIR__ .'/../../data/integritycheck/SomeApp.crt');
 		$rsaPrivateKey = file_get_contents(__DIR__ .'/../../data/integritycheck/SomeApp.key');
 		$rsa = new RSA();
@@ -460,6 +473,54 @@ class CheckerTest extends TestCase {
 		$this->assertSame([], $this->checker->verifyAppSignature('SomeApp'));
 	}
 
+	/**
+	 * @expectedException \Exception
+	 * @expectedExceptionMessage Exception message
+	 */
+	public function testWriteCoreSignatureWithException() {
+		$this->fileAccessHelper
+			->expects($this->at(0))
+			->method('assertDirectoryExists')
+			->will($this->throwException(new \Exception('Exception message')));
+		$this->fileAccessHelper
+			->expects($this->at(1))
+			->method('is_writable')
+			->with(__DIR__ . '/core')
+			->willReturn(true);
+
+		$keyBundle = file_get_contents(__DIR__ .'/../../data/integritycheck/SomeApp.crt');
+		$rsaPrivateKey = file_get_contents(__DIR__ .'/../../data/integritycheck/SomeApp.key');
+		$rsa = new RSA();
+		$rsa->loadKey($rsaPrivateKey);
+		$x509 = new X509();
+		$x509->loadX509($keyBundle);
+		$this->checker->writeCoreSignature($x509, $rsa, __DIR__);
+	}
+
+	/**
+	 * @expectedException \Exception
+	 * @expectedExceptionMessageRegExp /[a-zA-Z\/_-]+ is not writable/
+	 */
+	public function testWriteCoreSignatureWrongPermissions() {
+		$this->fileAccessHelper
+			->expects($this->at(0))
+			->method('assertDirectoryExists')
+			->will($this->throwException(new \Exception('Exception message')));
+		$this->fileAccessHelper
+			->expects($this->at(1))
+			->method('is_writable')
+			->with(__DIR__ . '/core')
+			->willReturn(false);
+
+		$keyBundle = file_get_contents(__DIR__ .'/../../data/integritycheck/SomeApp.crt');
+		$rsaPrivateKey = file_get_contents(__DIR__ .'/../../data/integritycheck/SomeApp.key');
+		$rsa = new RSA();
+		$rsa->loadKey($rsaPrivateKey);
+		$x509 = new X509();
+		$x509->loadX509($keyBundle);
+		$this->checker->writeCoreSignature($x509, $rsa, __DIR__);
+	}
+
 	public function testWriteCoreSignature() {
 		$expectedSignatureFileData = '{
     "hashes": {
@@ -965,7 +1026,7 @@ class CheckerTest extends TestCase {
 			->method('verifyCoreSignature');
 		$this->appLocator
 			->expects($this->at(0))
-			->Method('getAllApps')
+			->method('getAllApps')
 			->will($this->returnValue([
 				'files',
 				'calendar',
@@ -1091,7 +1152,6 @@ class CheckerTest extends TestCase {
 				->with('integrity.check.disabled', false)
 				->will($this->returnValue(true));
 
-		$result = $this->invokePrivate($this->checker, 'isCodeCheckEnforced');
-		$this->assertSame(false, $result);
+		$this->assertFalse(self::invokePrivate($this->checker, 'isCodeCheckEnforced'));
 	}
 }
diff --git a/tests/lib/IntegrityCheck/Helpers/FileAccessHelperTest.php b/tests/lib/IntegrityCheck/Helpers/FileAccessHelperTest.php
index 740b14e61c4..de4aeec78cc 100644
--- a/tests/lib/IntegrityCheck/Helpers/FileAccessHelperTest.php
+++ b/tests/lib/IntegrityCheck/Helpers/FileAccessHelperTest.php
@@ -40,4 +40,29 @@ class FileAccessHelperTest extends TestCase {
 		$this->fileAccessHelper->file_put_contents($filePath, $data);
 		$this->assertSame($data, $this->fileAccessHelper->file_get_contents($filePath));
 	}
+
+	/**
+	 * @expectedException \Exception
+	 * @expectedExceptionMessage Failed to write into /anabsolutelynotexistingfolder/on/the/system.txt
+	 */
+	public function testFile_put_contentsWithException() {
+		$this->fileAccessHelper->file_put_contents('/anabsolutelynotexistingfolder/on/the/system.txt', 'MyFiles');
+	}
+
+	public function testIs_writable() {
+		$this->assertFalse($this->fileAccessHelper->is_writable('/anabsolutelynotexistingfolder/on/the/system.txt'));
+		$this->assertTrue($this->fileAccessHelper->is_writable(\OC::$server->getTempManager()->getTemporaryFile('MyFile')));
+	}
+
+	/**
+	 * @expectedException \Exception
+	 * @expectedExceptionMessage Directory /anabsolutelynotexistingfolder/on/the/system does not exist.
+	 */
+	public function testAssertDirectoryExistsWithException() {
+		$this->fileAccessHelper->assertDirectoryExists('/anabsolutelynotexistingfolder/on/the/system');
+	}
+
+	public function testAssertDirectoryExists() {
+		$this->fileAccessHelper->assertDirectoryExists(\OC::$server->getTempManager()->getTemporaryFolder('/testfolder/'));
+	}
 }