Version 1

[yaffs-website] / web / core / tests / Drupal / KernelTests / Core / File / ReadOnlyStreamWrapperTest.php

diff --git a/web/core/tests/Drupal/KernelTests/Core/File/ReadOnlyStreamWrapperTest.php b/web/core/tests/Drupal/KernelTests/Core/File/ReadOnlyStreamWrapperTest.php
new file mode 100644 (file)
index 0000000..00dfa0b
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+++ b/web/core/tests/Drupal/KernelTests/Core/File/ReadOnlyStreamWrapperTest.php
@@ -0,0 +1,98 @@
+<?php
+
+namespace Drupal\KernelTests\Core\File;
+
+use Drupal\Core\StreamWrapper\StreamWrapperInterface;
+use Drupal\file_test\StreamWrapper\DummyReadOnlyStreamWrapper;
+
+/**
+ * Tests the read-only stream wrapper write functions.
+ *
+ * @group File
+ */
+class ReadOnlyStreamWrapperTest extends FileTestBase {
+
+  /**
+   * A stream wrapper scheme to register for the test.
+   *
+   * @var string
+   */
+  protected $scheme = 'dummy-readonly';
+
+  /**
+   * A fully-qualified stream wrapper class name to register for the test.
+   *
+   * @var string
+   */
+  protected $classname = 'Drupal\file_test\StreamWrapper\DummyReadOnlyStreamWrapper';
+
+  /**
+   * Test read-only specific behavior.
+   */
+  public function testReadOnlyBehavior() {
+    $type = DummyReadOnlyStreamWrapper::getType();
+    // Checks that the stream wrapper type is not declared as writable.
+    $this->assertSame(0, $type & StreamWrapperInterface::WRITE);
+    // Checks that the stream wrapper type is declared as local.
+    $this->assertSame(1, $type & StreamWrapperInterface::LOCAL);
+
+    // Generate a test file
+    $filename = $this->randomMachineName();
+    $site_path = $this->container->get('site.path');
+    $filepath = $site_path . '/files/' . $filename;
+    file_put_contents($filepath, $filename);
+
+    // Generate a read-only stream wrapper instance
+    $uri = $this->scheme . '://' . $filename;
+    \Drupal::service('stream_wrapper_manager')->getViaScheme($this->scheme);
+
+    // Attempt to open a file in read/write mode
+    $handle = @fopen($uri, 'r+');
+    $this->assertFalse($handle, 'Unable to open a file for reading and writing with the read-only stream wrapper.');
+    // Attempt to open a file in binary read mode
+    $handle = fopen($uri, 'rb');
+    $this->assertTrue($handle, 'Able to open a file for reading in binary mode with the read-only stream wrapper.');
+    $this->assertTrue(fclose($handle), 'Able to close file opened in binary mode using the read_only stream wrapper.');
+    // Attempt to open a file in text read mode
+    $handle = fopen($uri, 'rt');
+    $this->assertTrue($handle, 'Able to open a file for reading in text mode with the read-only stream wrapper.');
+    $this->assertTrue(fclose($handle), 'Able to close file opened in text mode using the read_only stream wrapper.');
+    // Attempt to open a file in read mode
+    $handle = fopen($uri, 'r');
+    $this->assertTrue($handle, 'Able to open a file for reading with the read-only stream wrapper.');
+    // Attempt to change file permissions
+    $this->assertFalse(@chmod($uri, 0777), 'Unable to change file permissions when using read-only stream wrapper.');
+    // Attempt to acquire an exclusive lock for writing
+    $this->assertFalse(@flock($handle, LOCK_EX | LOCK_NB), 'Unable to acquire an exclusive lock using the read-only stream wrapper.');
+    // Attempt to obtain a shared lock
+    $this->assertTrue(flock($handle, LOCK_SH | LOCK_NB), 'Able to acquire a shared lock using the read-only stream wrapper.');
+    // Attempt to release a shared lock
+    $this->assertTrue(flock($handle, LOCK_UN | LOCK_NB), 'Able to release a shared lock using the read-only stream wrapper.');
+    // Attempt to truncate the file
+    $this->assertFalse(@ftruncate($handle, 0), 'Unable to truncate using the read-only stream wrapper.');
+    // Attempt to write to the file
+    $this->assertFalse(@fwrite($handle, $this->randomMachineName()), 'Unable to write to file using the read-only stream wrapper.');
+    // Attempt to flush output to the file
+    $this->assertFalse(@fflush($handle), 'Unable to flush output to file using the read-only stream wrapper.');
+    // Attempt to close the stream.  (Suppress errors, as fclose triggers fflush.)
+    $this->assertTrue(fclose($handle), 'Able to close file using the read_only stream wrapper.');
+    // Test the rename() function
+    $this->assertFalse(@rename($uri, $this->scheme . '://newname.txt'), 'Unable to rename files using the read-only stream wrapper.');
+    // Test the unlink() function
+    $this->assertTrue(@drupal_unlink($uri), 'Able to unlink file using read-only stream wrapper.');
+    $this->assertTrue(file_exists($filepath), 'Unlink File was not actually deleted.');
+
+    // Test the mkdir() function by attempting to create a directory.
+    $dirname = $this->randomMachineName();
+    $dir = $site_path . '/files/' . $dirname;
+    $readonlydir = $this->scheme . '://' . $dirname;
+    $this->assertFalse(@drupal_mkdir($readonlydir, 0775, 0), 'Unable to create directory with read-only stream wrapper.');
+    // Create a temporary directory for testing purposes
+    $this->assertTrue(drupal_mkdir($dir), 'Test directory created.');
+    // Test the rmdir() function by attempting to remove the directory.
+    $this->assertFalse(@drupal_rmdir($readonlydir), 'Unable to delete directory with read-only stream wrapper.');
+    // Remove the temporary directory.
+    drupal_rmdir($dir);
+  }
+
+}