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<?php
namespace Drupal\Tests\file\Kernel;
use Drupal\file\Entity\File;
/**
* Tests the file_save_data() function.
*
* @group file
*/
class SaveDataTest extends FileManagedUnitTestBase {
/**
* Test the file_save_data() function when no filename is provided.
*/
public function testWithoutFilename() {
$contents = $this->randomMachineName(8);
$result = file_save_data($contents);
$this->assertTrue($result, 'Unnamed file saved correctly.');
$this->assertEqual(file_default_scheme(), file_uri_scheme($result->getFileUri()), "File was placed in Drupal's files directory.");
$this->assertEqual($result->getFilename(), drupal_basename($result->getFileUri()), "Filename was set to the file's basename.");
$this->assertEqual($contents, file_get_contents($result->getFileUri()), 'Contents of the file are correct.');
$this->assertEqual($result->getMimeType(), 'application/octet-stream', 'A MIME type was set.');
$this->assertTrue($result->isPermanent(), "The file's status was set to permanent.");
// Check that the correct hooks were called.
$this->assertFileHooksCalled(['insert']);
// Verify that what was returned is what's in the database.
$this->assertFileUnchanged($result, File::load($result->id()));
}
/**
* Test the file_save_data() function when a filename is provided.
*/
public function testWithFilename() {
$contents = $this->randomMachineName(8);
// Using filename with non-latin characters.
$filename = 'Текстовый файл.txt';
$result = file_save_data($contents, 'public://' . $filename);
$this->assertTrue($result, 'Unnamed file saved correctly.');
$this->assertEqual('public', file_uri_scheme($result->getFileUri()), "File was placed in Drupal's files directory.");
$this->assertEqual($filename, drupal_basename($result->getFileUri()), 'File was named correctly.');
$this->assertEqual($contents, file_get_contents($result->getFileUri()), 'Contents of the file are correct.');
$this->assertEqual($result->getMimeType(), 'text/plain', 'A MIME type was set.');
$this->assertTrue($result->isPermanent(), "The file's status was set to permanent.");
// Check that the correct hooks were called.
$this->assertFileHooksCalled(['insert']);
// Verify that what was returned is what's in the database.
$this->assertFileUnchanged($result, File::load($result->id()));
}
/**
* Test file_save_data() when renaming around an existing file.
*/
public function testExistingRename() {
// Setup a file to overwrite.
$existing = $this->createFile();
$contents = $this->randomMachineName(8);
$result = file_save_data($contents, $existing->getFileUri(), FILE_EXISTS_RENAME);
$this->assertTrue($result, 'File saved successfully.');
$this->assertEqual('public', file_uri_scheme($result->getFileUri()), "File was placed in Drupal's files directory.");
$this->assertEqual($result->getFilename(), $existing->getFilename(), 'Filename was set to the basename of the source, rather than that of the renamed file.');
$this->assertEqual($contents, file_get_contents($result->getFileUri()), 'Contents of the file are correct.');
$this->assertEqual($result->getMimeType(), 'application/octet-stream', 'A MIME type was set.');
$this->assertTrue($result->isPermanent(), "The file's status was set to permanent.");
// Check that the correct hooks were called.
$this->assertFileHooksCalled(['insert']);
// Ensure that the existing file wasn't overwritten.
$this->assertDifferentFile($existing, $result);
$this->assertFileUnchanged($existing, File::load($existing->id()));
// Verify that was returned is what's in the database.
$this->assertFileUnchanged($result, File::load($result->id()));
}
/**
* Test file_save_data() when replacing an existing file.
*/
public function testExistingReplace() {
// Setup a file to overwrite.
$existing = $this->createFile();
$contents = $this->randomMachineName(8);
$result = file_save_data($contents, $existing->getFileUri(), FILE_EXISTS_REPLACE);
$this->assertTrue($result, 'File saved successfully.');
$this->assertEqual('public', file_uri_scheme($result->getFileUri()), "File was placed in Drupal's files directory.");
$this->assertEqual($result->getFilename(), $existing->getFilename(), 'Filename was set to the basename of the existing file, rather than preserving the original name.');
$this->assertEqual($contents, file_get_contents($result->getFileUri()), 'Contents of the file are correct.');
$this->assertEqual($result->getMimeType(), 'application/octet-stream', 'A MIME type was set.');
$this->assertTrue($result->isPermanent(), "The file's status was set to permanent.");
// Check that the correct hooks were called.
$this->assertFileHooksCalled(['load', 'update']);
// Verify that the existing file was re-used.
$this->assertSameFile($existing, $result);
// Verify that what was returned is what's in the database.
$this->assertFileUnchanged($result, File::load($result->id()));
}
/**
* Test that file_save_data() fails overwriting an existing file.
*/
public function testExistingError() {
$contents = $this->randomMachineName(8);
$existing = $this->createFile(NULL, $contents);
// Check the overwrite error.
$result = file_save_data('asdf', $existing->getFileUri(), FILE_EXISTS_ERROR);
$this->assertFalse($result, 'Overwriting a file fails when FILE_EXISTS_ERROR is specified.');
$this->assertEqual($contents, file_get_contents($existing->getFileUri()), 'Contents of existing file were unchanged.');
// Check that no hooks were called while failing.
$this->assertFileHooksCalled([]);
// Ensure that the existing file wasn't overwritten.
$this->assertFileUnchanged($existing, File::load($existing->id()));
}
}