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<?php
namespace Drupal\Tests\file\Kernel;
use Drupal\file\Entity\File;
/**
* Tests the file copy function.
*
* @group file
*/
class CopyTest extends FileManagedUnitTestBase {
/**
* Test file copying in the normal, base case.
*/
public function testNormal() {
$contents = $this->randomMachineName(10);
$source = $this->createFile(NULL, $contents);
$desired_uri = 'public://' . $this->randomMachineName();
// Clone the object so we don't have to worry about the function changing
// our reference copy.
$result = file_copy(clone $source, $desired_uri, FILE_EXISTS_ERROR);
// Check the return status and that the contents changed.
$this->assertTrue($result, 'File copied successfully.');
$this->assertEqual($contents, file_get_contents($result->getFileUri()), 'Contents of file were copied correctly.');
// Check that the correct hooks were called.
$this->assertFileHooksCalled(['copy', 'insert']);
$this->assertDifferentFile($source, $result);
$this->assertEqual($result->getFileUri(), $desired_uri, 'The copied file entity has the desired filepath.');
$this->assertTrue(file_exists($source->getFileUri()), 'The original file still exists.');
$this->assertTrue(file_exists($result->getFileUri()), 'The copied file exists.');
// Reload the file from the database and check that the changes were
// actually saved.
$this->assertFileUnchanged($result, File::load($result->id()));
}
/**
* Test renaming when copying over a file that already exists.
*/
public function testExistingRename() {
// Setup a file to overwrite.
$contents = $this->randomMachineName(10);
$source = $this->createFile(NULL, $contents);
$target = $this->createFile();
$this->assertDifferentFile($source, $target);
// Clone the object so we don't have to worry about the function changing
// our reference copy.
$result = file_copy(clone $source, $target->getFileUri(), FILE_EXISTS_RENAME);
// Check the return status and that the contents changed.
$this->assertTrue($result, 'File copied successfully.');
$this->assertEqual($contents, file_get_contents($result->getFileUri()), 'Contents of file were copied correctly.');
$this->assertNotEqual($result->getFileUri(), $source->getFileUri(), 'Returned file path has changed from the original.');
// Check that the correct hooks were called.
$this->assertFileHooksCalled(['copy', 'insert']);
// Load all the affected files to check the changes that actually made it
// to the database.
$loaded_source = File::load($source->id());
$loaded_target = File::load($target->id());
$loaded_result = File::load($result->id());
// Verify that the source file wasn't changed.
$this->assertFileUnchanged($source, $loaded_source);
// Verify that what was returned is what's in the database.
$this->assertFileUnchanged($result, $loaded_result);
// Make sure we end up with three distinct files afterwards.
$this->assertDifferentFile($loaded_source, $loaded_target);
$this->assertDifferentFile($loaded_target, $loaded_result);
$this->assertDifferentFile($loaded_source, $loaded_result);
}
/**
* Test replacement when copying over a file that already exists.
*/
public function testExistingReplace() {
// Setup a file to overwrite.
$contents = $this->randomMachineName(10);
$source = $this->createFile(NULL, $contents);
$target = $this->createFile();
$this->assertDifferentFile($source, $target);
// Clone the object so we don't have to worry about the function changing
// our reference copy.
$result = file_copy(clone $source, $target->getFileUri(), FILE_EXISTS_REPLACE);
// Check the return status and that the contents changed.
$this->assertTrue($result, 'File copied successfully.');
$this->assertEqual($contents, file_get_contents($result->getFileUri()), 'Contents of file were overwritten.');
$this->assertDifferentFile($source, $result);
// Check that the correct hooks were called.
$this->assertFileHooksCalled(['load', 'copy', 'update']);
// Load all the affected files to check the changes that actually made it
// to the database.
$loaded_source = File::load($source->id());
$loaded_target = File::load($target->id());
$loaded_result = File::load($result->id());
// Verify that the source file wasn't changed.
$this->assertFileUnchanged($source, $loaded_source);
// Verify that what was returned is what's in the database.
$this->assertFileUnchanged($result, $loaded_result);
// Target file was reused for the result.
$this->assertFileUnchanged($loaded_target, $loaded_result);
}
/**
* Test that copying over an existing file fails when FILE_EXISTS_ERROR is
* specified.
*/
public function testExistingError() {
$contents = $this->randomMachineName(10);
$source = $this->createFile();
$target = $this->createFile(NULL, $contents);
$this->assertDifferentFile($source, $target);
// Clone the object so we don't have to worry about the function changing
// our reference copy.
$result = file_copy(clone $source, $target->getFileUri(), FILE_EXISTS_ERROR);
// Check the return status and that the contents were not changed.
$this->assertFalse($result, 'File copy failed.');
$this->assertEqual($contents, file_get_contents($target->getFileUri()), 'Contents of file were not altered.');
// Check that the correct hooks were called.
$this->assertFileHooksCalled([]);
$this->assertFileUnchanged($source, File::load($source->id()));
$this->assertFileUnchanged($target, File::load($target->id()));
}
}