function FileUploadResourceTestBase::testPostFileUploadDuplicateFileRaceCondition

Tests using the file upload POST route twice, simulating a race condition.

A validation error should occur when the filenames are not unique.

File

core/modules/rest/tests/src/Functional/FileUploadResourceTestBase.php, line 335

Class

FileUploadResourceTestBase

Tests binary data file upload route.

Namespace

Code

public function testPostFileUploadDuplicateFileRaceCondition() : void {
    $this->initAuthentication();
    $this->provisionResource([
        static::$format,
    ], static::$auth ? [
        static::$auth,
    ] : [], [
        'POST',
    ]);
    $this->setUpAuthorization('POST');
    $uri = Url::fromUri('base:' . static::$postUri);
    // This request will have the default 'application/octet-stream' content
    // type header.
    $response = $this->fileRequest($uri, $this->testFileData);
    $this->assertSame(201, $response->getStatusCode());
    // Simulate a race condition where two files are uploaded at almost the same
    // time, by removing the first uploaded file from disk (leaving the entry in
    // the file_managed table) before trying to upload another file with the
    // same name.
    unlink(\Drupal::service('file_system')->realpath('public://foobar/example.txt'));
    // Make the same request again. The upload should fail validation.
    $response = $this->fileRequest($uri, $this->testFileData);
    $this->assertResourceErrorResponse(422, PlainTextOutput::renderFromHtml("Unprocessable Entity: file validation failed.\nThe file public://foobar/example.txt already exists. Enter a unique file URI."), $response);
}