function FileRepositoryTest::testExistingError

Tests that writeData() fails overwriting an existing file.

@covers ::writeData

File

core/modules/file/tests/src/Kernel/FileRepositoryTest.php, line 143

Class

FileRepositoryTest

Tests the FileRepository.

Namespace

Code

public function testExistingError() {
    $contents = $this->randomMachineName();
    $existing = $this->createFile(NULL, $contents);
    // Check the overwrite error.
    try {
        $this->fileRepository
            ->writeData('asdf', $existing->getFileUri(), FileSystemInterface::EXISTS_ERROR);
        $this->fail('expected FileExistsException');
    } catch (FileExistsException $e) {
        // expected exception.
        $this->assertStringContainsString("could not be copied because a file by that name already exists in the destination directory", $e->getMessage());
    }
    $this->assertEquals($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()));
}