Same name in other branches

1. 9 core/tests/Drupal/Tests/TestFileCreationTrait.php \Drupal\Tests\TestFileCreationTrait::generateFile()
2. 8.9.x core/tests/Drupal/Tests/TestFileCreationTrait.php \Drupal\Tests\TestFileCreationTrait::generateFile()
3. 11.x core/tests/Drupal/Tests/TestFileCreationTrait.php \Drupal\Tests\TestFileCreationTrait::generateFile()

Generates a test file.

Parameters

string $filename: The name of the file, including the path. The suffix '.txt' is appended to the supplied file name and the file is put into the public:// files directory.

int $width: The number of characters on one line.

int $lines: The number of lines in the file.

string $type: (optional) The type, one of:

• text: The generated file contains random ASCII characters.
• binary: The generated file contains random characters whose codes are in the range of 0 to 31.
• binary-text: The generated file contains random sequence of '0' and '1' values.

Return value

string The name of the file, including the path.

4 calls to TestFileCreationTrait::generateFile()

FileFieldDisplayTest::testNodeDisplay in core/modules/file/tests/src/Functional/FileFieldDisplayTest.php

Tests normal formatter display on node display.

MaximumFileSizeExceededUploadTest::testUploadFileExceedingMaximumFileSize in core/modules/file/tests/src/FunctionalJavascript/MaximumFileSizeExceededUploadTest.php

Tests that uploading files exceeding maximum size are handled correctly.

SaveUploadTest::testSanitization in core/modules/file/tests/src/Functional/SaveUploadTest.php

Tests filename sanitization.

TestFileCreationTrait::getTestFiles in core/tests/Drupal/Tests/TestFileCreationTrait.php

Gets a list of files that can be used in tests.

File

core/tests/Drupal/Tests/TestFileCreationTrait.php, line 150

Class

TestFileCreationTrait

Provides methods to create test files from given values.

Namespace

Drupal\Tests

Code

public static function generateFile($filename, $width, $lines, $type = 'binary-text') {
    $text = '';
    for ($i = 0; $i < $lines; $i++) {
        // Generate $width - 1 characters to leave space for the "\n" character.
        for ($j = 0; $j < $width - 1; $j++) {
            switch ($type) {
                case 'text':
                    $text .= chr(rand(32, 126));
                    break;
                case 'binary':
                    $text .= chr(rand(0, 31));
                    break;
                case 'binary-text':
                default:
                    $text .= rand(0, 1);
                    break;
            }
        }
        $text .= "\n";
    }
    // Create filename.
    $filename = 'public://' . $filename . '.txt';
    file_put_contents($filename, $text);
    return $filename;
}

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