function SaveDataTest::testExistingReplace

Test file_save_data() when replacing an existing file.

File

core/modules/file/tests/src/Kernel/SaveDataTest.php, line 100

Class

SaveDataTest

Tests the file_save_data() function.

Namespace

Code

public function testExistingReplace() {
    // Setup a file to overwrite.
    $existing = $this->createFile();
    $contents = $this->randomMachineName(8);
    $result = file_save_data($contents, $existing->getFileUri(), FileSystemInterface::EXISTS_REPLACE);
    $this->assertNotFalse($result, 'File saved successfully.');
    $stream_wrapper_manager = \Drupal::service('stream_wrapper_manager');
    assert($stream_wrapper_manager instanceof StreamWrapperManagerInterface);
    $this->assertEqual('public', $stream_wrapper_manager::getScheme($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()));
}