--- /dev/null
+<?php
+
+namespace Drupal\Tests\file\Functional;
+
+use Drupal\file\Entity\File;
+
+/**
+ * Tests creating and deleting revisions with files attached.
+ *
+ * @group file
+ */
+class FileFieldRevisionTest extends FileFieldTestBase {
+
+ /**
+ * Tests creating multiple revisions of a node and managing attached files.
+ *
+ * Expected behaviors:
+ * - Adding a new revision will make another entry in the field table, but
+ * the original file will not be duplicated.
+ * - Deleting a revision should not delete the original file if the file
+ * is in use by another revision.
+ * - When the last revision that uses a file is deleted, the original file
+ * should be deleted also.
+ */
+ public function testRevisions() {
+ // This test expects unused managed files to be marked as a temporary file
+ // and then deleted up by file_cron().
+ $this->config('file.settings')
+ ->set('make_unused_managed_files_temporary', TRUE)
+ ->save();
+ $node_storage = $this->container->get('entity.manager')->getStorage('node');
+ $type_name = 'article';
+ $field_name = strtolower($this->randomMachineName());
+ $this->createFileField($field_name, 'node', $type_name);
+ // Create the same fields for users.
+ $this->createFileField($field_name, 'user', 'user');
+
+ $test_file = $this->getTestFile('text');
+
+ // Create a new node with the uploaded file.
+ $nid = $this->uploadNodeFile($test_file, $field_name, $type_name);
+
+ // Check that the file exists on disk and in the database.
+ $node_storage->resetCache([$nid]);
+ $node = $node_storage->load($nid);
+ $node_file_r1 = File::load($node->{$field_name}->target_id);
+ $node_vid_r1 = $node->getRevisionId();
+ $this->assertFileExists($node_file_r1, 'New file saved to disk on node creation.');
+ $this->assertFileEntryExists($node_file_r1, 'File entry exists in database on node creation.');
+ $this->assertFileIsPermanent($node_file_r1, 'File is permanent.');
+
+ // Upload another file to the same node in a new revision.
+ $this->replaceNodeFile($test_file, $field_name, $nid);
+ $node_storage->resetCache([$nid]);
+ $node = $node_storage->load($nid);
+ $node_file_r2 = File::load($node->{$field_name}->target_id);
+ $node_vid_r2 = $node->getRevisionId();
+ $this->assertFileExists($node_file_r2, 'Replacement file exists on disk after creating new revision.');
+ $this->assertFileEntryExists($node_file_r2, 'Replacement file entry exists in database after creating new revision.');
+ $this->assertFileIsPermanent($node_file_r2, 'Replacement file is permanent.');
+
+ // Check that the original file is still in place on the first revision.
+ $node = node_revision_load($node_vid_r1);
+ $current_file = File::load($node->{$field_name}->target_id);
+ $this->assertEqual($node_file_r1->id(), $current_file->id(), 'Original file still in place after replacing file in new revision.');
+ $this->assertFileExists($node_file_r1, 'Original file still in place after replacing file in new revision.');
+ $this->assertFileEntryExists($node_file_r1, 'Original file entry still in place after replacing file in new revision');
+ $this->assertFileIsPermanent($node_file_r1, 'Original file is still permanent.');
+
+ // Save a new version of the node without any changes.
+ // Check that the file is still the same as the previous revision.
+ $this->drupalPostForm('node/' . $nid . '/edit', ['revision' => '1'], t('Save'));
+ $node_storage->resetCache([$nid]);
+ $node = $node_storage->load($nid);
+ $node_file_r3 = File::load($node->{$field_name}->target_id);
+ $node_vid_r3 = $node->getRevisionId();
+ $this->assertEqual($node_file_r2->id(), $node_file_r3->id(), 'Previous revision file still in place after creating a new revision without a new file.');
+ $this->assertFileIsPermanent($node_file_r3, 'New revision file is permanent.');
+
+ // Revert to the first revision and check that the original file is active.
+ $this->drupalPostForm('node/' . $nid . '/revisions/' . $node_vid_r1 . '/revert', [], t('Revert'));
+ $node_storage->resetCache([$nid]);
+ $node = $node_storage->load($nid);
+ $node_file_r4 = File::load($node->{$field_name}->target_id);
+ $this->assertEqual($node_file_r1->id(), $node_file_r4->id(), 'Original revision file still in place after reverting to the original revision.');
+ $this->assertFileIsPermanent($node_file_r4, 'Original revision file still permanent after reverting to the original revision.');
+
+ // Delete the second revision and check that the file is kept (since it is
+ // still being used by the third revision).
+ $this->drupalPostForm('node/' . $nid . '/revisions/' . $node_vid_r2 . '/delete', [], t('Delete'));
+ $this->assertFileExists($node_file_r3, 'Second file is still available after deleting second revision, since it is being used by the third revision.');
+ $this->assertFileEntryExists($node_file_r3, 'Second file entry is still available after deleting second revision, since it is being used by the third revision.');
+ $this->assertFileIsPermanent($node_file_r3, 'Second file entry is still permanent after deleting second revision, since it is being used by the third revision.');
+
+ // Attach the second file to a user.
+ $user = $this->drupalCreateUser();
+ $user->$field_name->target_id = $node_file_r3->id();
+ $user->$field_name->display = 1;
+ $user->save();
+ $this->drupalGet('user/' . $user->id() . '/edit');
+
+ // Delete the third revision and check that the file is not deleted yet.
+ $this->drupalPostForm('node/' . $nid . '/revisions/' . $node_vid_r3 . '/delete', [], t('Delete'));
+ $this->assertFileExists($node_file_r3, 'Second file is still available after deleting third revision, since it is being used by the user.');
+ $this->assertFileEntryExists($node_file_r3, 'Second file entry is still available after deleting third revision, since it is being used by the user.');
+ $this->assertFileIsPermanent($node_file_r3, 'Second file entry is still permanent after deleting third revision, since it is being used by the user.');
+
+ // Delete the user and check that the file is also deleted.
+ $user->delete();
+ // TODO: This seems like a bug in File API. Clearing the stat cache should
+ // not be necessary here. The file really is deleted, but stream wrappers
+ // doesn't seem to think so unless we clear the PHP file stat() cache.
+ clearstatcache($node_file_r1->getFileUri());
+ clearstatcache($node_file_r2->getFileUri());
+ clearstatcache($node_file_r3->getFileUri());
+ clearstatcache($node_file_r4->getFileUri());
+
+ // Call file_cron() to clean up the file. Make sure the changed timestamp
+ // of the file is older than the system.file.temporary_maximum_age
+ // configuration value.
+ db_update('file_managed')
+ ->fields([
+ 'changed' => REQUEST_TIME - ($this->config('system.file')->get('temporary_maximum_age') + 1),
+ ])
+ ->condition('fid', $node_file_r3->id())
+ ->execute();
+ \Drupal::service('cron')->run();
+
+ $this->assertFileNotExists($node_file_r3, 'Second file is now deleted after deleting third revision, since it is no longer being used by any other nodes.');
+ $this->assertFileEntryNotExists($node_file_r3, 'Second file entry is now deleted after deleting third revision, since it is no longer being used by any other nodes.');
+
+ // Delete the entire node and check that the original file is deleted.
+ $this->drupalPostForm('node/' . $nid . '/delete', [], t('Delete'));
+ // Call file_cron() to clean up the file. Make sure the changed timestamp
+ // of the file is older than the system.file.temporary_maximum_age
+ // configuration value.
+ db_update('file_managed')
+ ->fields([
+ 'changed' => REQUEST_TIME - ($this->config('system.file')->get('temporary_maximum_age') + 1),
+ ])
+ ->condition('fid', $node_file_r1->id())
+ ->execute();
+ \Drupal::service('cron')->run();
+ $this->assertFileNotExists($node_file_r1, 'Original file is deleted after deleting the entire node with two revisions remaining.');
+ $this->assertFileEntryNotExists($node_file_r1, 'Original file entry is deleted after deleting the entire node with two revisions remaining.');
+ }
+
+}
projects / yaffs-website / blobdiff